DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS	9 Months Ended	12 Months Ended
Sep. 30, 2023	Dec. 31, 2022
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS	(1)Nature of Business On August 10, 2023 (the "Closing Date"), TriSalus Life Sciences, Inc., a Delaware corporation (the “Company,” “TriSalus,” “we,” “us”), formerly known as MedTech Acquisition Corporation (“MTAC”), consummated the previously announced merger pursuant to the Agreement and Plan of Merger, dated as of November 11, 2022, as amended by that certain First Amendment to Agreement and Plan of Merger, dated as of April 4, 2023, the Second Amendment to Agreement and Plan of Merger, dated as of May 13, 2023, and the Third Amendment to Agreement and Plan of Merger, dated as of July 5, 2023 (as amended, the “Merger Agreement”), by and between MTAC Merger Sub, Inc., a Delaware corporation and wholly-owned subsidiary of MTAC (“Merger Sub”) and TriSalus Operating Life Sciences, Inc. (formerly known as TriSalus Life Sciences, Inc.), a Delaware corporation (“Legacy TriSalus”), whereby Merger Sub merged with and into Legacy TriSalus with the separate corporate existence of Merger Sub ceasing (the “Merger” and, together with the other transactions contemplated by the Merger Agreement, the “Business Combination”) and TriSalus Life Sciences, Inc. becoming the surviving company. The closing of the Business Combination is herein referred to as “the Closing.” In connection with the consummation of the Merger, on August 10, 2023, Legacy TriSalus changed its name from TriSalus Life Sciences, Inc. to TriSalus Operating Life Sciences, Inc., and MTAC changed its name from MedTech Acquisition Corporation to TriSalus Life Sciences, Inc., the surviving company ("New TriSalus”). As further described in Note 3, Legacy TriSalus was deemed to be the accounting acquirer and predecessor company in the Business Combination. Thus, the prior periods presented in these consolidated financial statements are of Legacy TriSalus. Description of the Business We are engaged in the research, development, and sales of innovative drug delivery technology and immune-oncology therapeutics to improve outcomes in difficult to treat liver and pancreatic cancer. Our technology is utilized in the delivery of our therapeutics and administered by interventional radiologists. We are developing and marketing two product lines — Pressure Enabled Drug Delivery (“PEDD™) infusion systems, in use today, and an investigational agent, SD-101, which shows potential to enhance immune system response in the treatment of hepatocellular cancer, pancreatic cancer and other liver solid tumors. The combination of our PEDD technology with SD-101, is focused on solving the two main barriers in the tumor micro environment that inhibits the success of immunotherapy. The first barrier (mechanical) is comprised of high intratumoral pressure within tumors that limits drug uptake and the second barrier (biological) is the reversal of intratumoral immunosuppression. Our PEDD with SmartValve™ is the only technology designed to work in synchrony with the cardiac cycle to open collapsed vessels in the tumor to enable deeper perfusion and improve therapeutic drug delivery in tumors with high intratumoral pressure. PEDD with SmartValve has been shown in prospective and retrospective clinical studies and in multiple pre-clinical models to improve therapy uptake and tumor response. TriNav™ is the newest therapy delivery device with SmartValve technology for the proprietary PEDD approach. Current sales consist of the TriNav Infusion System, introduced in 2020, and a family of related guiding catheters. In 2020, we gained transitional pass-through payments (“TPT”) approval from the Centers for Medicare & Medicaid Services (“CMS”), which allows hospitals to cover the cost of using TriNav. The approval is scheduled to expire at the end of 2023. On June 1, 2023, TriSalus applied for a new technology Ambulatory Payment Classifications ("APC”) code with CMS and met with CMS on June 26, 2023, to review the application. If granted, the new technology APC code would allow for continuing reimbursement for the TriNav device at similar reimbursement rates for the period beginning January 1, 2024, but there can be no assurance that such code will be granted or that continuing reimbursement will be available at similar reimbursement rates, or at all. SD-101 has a dual mechanism of action in solid tumors which includes the alteration of the tumor microenvironment by reducing immunosuppressive myeloid derived suppressor cells while simultaneously activating immune response and recruiting T cells to the tumor, allowing checkpoint inhibitors to work more effectively. We believe the full potential of our technology can be realized through the combination of our drug delivery technology with immune-oncology drugs. In July 2020, we acquired our first immune-oncology drug, SD-101, and began clinical development of SD-101 for treatment of liver and pancreatic cancers. We have funded operations to date principally with proceeds from the sale of preferred stock, from the issuance of debt and convertible debt, and the closing of the Business Combination. Since inception of the Company in 2009 through September 30, 2023, we have issued for cash $164,364 of preferred stock (of which $36,854 was raised at the closing of the Business Combination, including issuance of Series A convertible preferred stock), which, along with $551 from common stock and $44,692 from convertible notes and warrants, has funded our accumulated deficit of $212,867. During the nine months ended September 30, 2023, we raised $9,189 in cash through the issuance of Series B-2 preferred stock, $9,630 in cash through the issuance of Series B-3 preferred stock, $94 from the exercise of stock options, and $36,854 from the Business Combination. As of September 30, 2023, we had cash and cash equivalents of $21,383. The Company is still in its early stage, has yet to generate revenues sufficient to create positive cash flow and has an accumulated deficit of $212,867 as of September 30, 2023. We are currently undergoing a strategic transformation from a company focused solely on the sale of our infusion systems to a therapeutics company whereby our medical devices will be marketed in combination with the pharmaceutical drugs and other treatments that the devices deliver to patients. This transformation requires that we restructure our operating infrastructure, resulting in an increase in operating expenses — including the development of a candidate pharmaceutical — that, in the short term, will not be fully offset by increased revenues. Without additional financing and based on our sales, operations and research and development plans, our management estimates that our existing cash and cash equivalents will be insufficient to fund our projected liquidity requirements for the next 12 months. In accordance with ASC Topic 205-40, Presentation of Financial Statements, Going Concern: Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern, we are required to evaluate whether there is substantial doubt about our ability to continue as a going concern each reporting period. In evaluating our ability to continue as a going concern, management projected our cash flow sources and needs and evaluated the conditions and events have raised substantial doubt about our ability to continue as a going concern within one year after the date that these consolidated financial statements were issued. Management’s plans to address the conditions and events have considered our current projections of future cash flows, current financial condition, sources of liquidity and debt obligations for at least one year from the date of issuance of these consolidated financial statements in considering whether we have the ability to fund future operations and meet our obligations as they become due in the normal course of business. Our ability to fund future operations and to continue the execution of our long-term business plan and strategy, including our transformation into a therapeutics company, will require that we raise additional capital through a combination collaborations, strategic alliances and licensing arrangements, and issuance of additional equity and/or long-term debt. There can be no assurance that we will be able to raise such additional financing or, if available, that such financing can be obtained on satisfactory terms. If adequate capital resources are not available on a timely basis, we intend to consider limiting our operations substantially. This limitation of operations could include a hiring freeze, reductions in our workforce, reduction in cash compensation, deferring clinical trials and capital expenditures, and reducing other operating costs. Our current operating plan, which is in part determined based on our most recent results and trends, along with the items noted above, causes substantial doubt to exist about our ability to continue as a going concern and management’s plans do not alleviate the existence of substantial doubt. Our financial statements have been prepared assuming we will continue as a going concern, which contemplates the continuity of normal business activities and realization of assets and settlement of liabilities in the normal course of business, and do not include any adjustments that might be necessary should we be unable to continue as a going concern. We are subject to various risks and uncertainties frequently encountered by companies in the early stages of growth, particularly companies in the rapidly evolving market for medical technology-based and pharmaceutical products and services. Such risks and uncertainties include, but are not limited to, a limited operating history, need for additional capital, a volatile business and technological environment, the process to test and obtain approval to market the candidate pharmaceutical, the process to obtain continuing CMS approval and application for a new ACS code for our PEDD product for reimbursement, an evolving business model, and demand for our products. To address these risks, we must, among other things, gain access to capital in sufficient amounts and on acceptable terms, maintain and increase our customer base, implement and successfully execute our business strategy, develop the candidate pharmaceutical, continue to enhance our technology, provide superior customer service, and attract, retain, and motivate qualified personnel. There can be no guarantee that we will succeed in addressing such risks. Subsequent Event On October 2, 2023, we entered into a Standby Equity Purchase Agreement (the “Yorkville Purchase Agreement”) with YA II PN, Ltd. (“Yorkville”). Yorkville is a fund managed by Yorkville Advisors Global, LP, headquartered in Mountainside, New Jersey. Pursuant to the Yorkville Purchase Agreement, the Company shall have the right, but not the obligation, to sell to Yorkville up to $30,000 of common stock, par value $0.0001 per share of the Company (the “Common Stock”), at the Company’s request any time during the commitment period commencing on October 2, 2023 (the “Effective Date”), and terminating on the first day of the month following the 24-month anniversary of the Effective Date. Each issuance and sale by the Company to Yorkville under the Yorkville Purchase Agreement (an “Advance”) is subject to a maximum limit equal to the greater of: (i) an amount equal to 100% of the average of the daily volume traded of the Company’s Common Stock on the Nasdaq Stock Market (“Nasdaq”) for the 10 trading days immediately preceding an Advance notice, or (ii) 1,000,000 shares of Common Stock. The shares will be issued and sold to Yorkville at a per-share price equal to, at the election of the Company as specified in the relevant Advance notice: (i) 96% of the Market Price (as defined below) for any period commencing on the receipt of the Advance notice by Yorkville and ending on 4:00 p.m. New York City time on the applicable Advance notice date (the “Option 1 Pricing Period”), and (ii) 97% of the Market Price for any three consecutive trading days commencing on the Advance notice date (the “Option 2 Pricing Period,” and each of the Option 1 Pricing Period and the Option 2 Pricing Period, a “Pricing Period”). “Market Price” is defined as, for any Option 1 Pricing Period, the daily volume-weighted average price (“VWAP”) of the Common Stock on Nasdaq, and for any Option 2 Pricing Period, the lowest VWAP of the Common Stock on the Nasdaq during the Option 2 Pricing Period. The Advances are subject to certain limitations, including that Yorkville cannot purchase any shares that would result in it beneficially owning more than 4.99% of the Company’s outstanding Common Stock at the time of an Advance or acquiring since the Effective Date under the Yorkville Purchase Agreement more than 19.99% of the Company’s outstanding Common Stock, as of the date of the Yorkville Purchase Agreement.	(1)Nature of Business TriSalus Life Sciences, Inc. (the “Company,” “we,” “us”), a Delaware corporation, was incorporated in 2009 as Surefire Medical, Inc. The Company began doing business as TriSalus Life Sciences (“TriSalus”) in 2018, and changed its name to TriSalus Life Sciences, Inc, in August 2021. We are engaged in the research, development, and sales of innovative drug delivery technology and immune-oncology therapeutics to improve outcomes in difficult to treat liver and pancreatic cancer. Our technology is utilized in the delivery of our therapeutics and administered by interventional radiologists. We are developing and marketing two product lines — Pressure Enabled Drug Delivery (“PEDD™”) infusion systems, in use today, and an investigational agent, SD-101, which shows potential to enhance immune system response in the treatment of hepatocellular cancer, pancreatic cancer and other liver solid tumors. Our PEDD with SmartValve™ is the only technology designed to work in synchrony with the cardiac cycle to open collapsed vessels in the tumor to enable deeper perfusion and improve therapeutic drug delivery in tumors with high intratumoral pressure. PEDD with SmartValve has been shown in prospective and retrospective clinical studies and in multiple pre-clinical models to improve therapy uptake and tumor response. TriNav™ is the newest therapy delivery device with SmartValve technology for the proprietary PEDD approach. Current sales consist of the TriNav infusion System, introduced in 2020, the Surefire Medical infusion System and a family of related guiding catheters. In 2020, we gained transitional pass-through payments (“TPT”) approval from the Centers for Medicare & Medicaid Services (“CMS”), which allows hospitals to cover the cost of using TriNav. The approval is scheduled to expire at the end of 2023; we are actively seeking an extension of the approval. We believe the full potential of our technology can be realized through the combination of our drug delivery technology with immune-oncology drugs, so, in July 2020, we acquired our first immune-oncology drug, SD-101, and began clinical development of SD-101 for treatment of liver and pancreatic cancers. We have funded operations to date principally with proceeds from the sale of preferred stock and from the issuance of debt and convertible debt. Since inception of the Company in 2009 through December 31, 2022, we have issued for cash $108,664 of preferred stock, $458 of common stock and $57,466 of convertible notes and warrants, which has funded the cumulative net losses of $186,358. During the year ended December 31, 2022, we raised $13,499 in cash through the issuance of Series B-1 and Series B-2 preferred stock and $94 from the exercise of stock options. In March 2021, all of the then outstanding principle amount of convertible notes, with accumulated interest, converted to shares of Series B preferred stock in accordance with the terms contained in the note agreements; the note conversion did not raise any cash. See notes 10 and 11 for further discussion of the convertible debt, warrants and the 2022 financing rounds. As of December 31, 2022, we had cash, cash equivalents and restricted cash of $9,664. The Company is still in its early stage, has yet to generate revenues sufficient to create positive cash flow and has accumulated deficit of $186,358 as of December 31, 2022. We are currently undergoing a strategic transformation from a company focused solely on the sale of our infusion systems to a therapeutic company whereby our medical devices will be marketed alongside the pharmaceutical drugs and other treatments that the devices deliver to patients. This transformation requires that we restructure our operating infrastructure, resulting in an increase in operating expenses — including the development of a candidate pharmaceutical — that, in the short term, will not be fully offset by increased revenues. In accordance with ASC Topic 205-40, Presentation of Financial Statements, Going Concern: Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern, we are required to evaluate whether there is substantial doubt about our ability to continue as a going concern each reporting period. In evaluating our ability to continue as a going concern, management projected our cash flow sources and needs and evaluated the conditions and events that could raise substantial doubt about our ability to continue as a going concern within one year after the date that these consolidated financial statements were issued. Management considered our current projections of future cash flows, current financial condition, sources of liquidity and debt obligations for at least one year from the date of issuance of these consolidated financial statements in considering whether we have the ability to fund future operations and meet our obligations as they become due in the normal course of business. Our ability to fund future operations and to continue the execution of our long-term business plan and strategy, including our transformation into a therapeutics company, will require that we raise additional capital through the issuance of additional equity and/or long-term debt. There can be no assurance that we will be able to raise such additional financing or, if available, that such financing can be obtained on satisfactory terms. If adequate capital resources are not available on a timely basis, we intend to consider limiting our operations substantially. This limitation of operations could include a hiring freeze, reductions in our workforce, reduction in cash compensation, deferring clinical trials and capital expenditures, and reducing other operating costs. Our current operating plan, which is in part determined based on our most recent results and trends, along with the items noted above, raises substantial doubt about the Company’s ability to continue as a going concern. Our financial statements have been prepared assuming we will continue as a going concern, which contemplates the continuity of normal business activities and realization of assets and settlement of liabilities in the normal course of business, and do not include any adjustments that might be necessary should we be unable to continue as a going concern. We are subject to various risks and uncertainties frequently encountered by companies in the early stages of growth, particularly companies in the rapidly evolving market for medical technology-based and pharmaceutical products and services. Such risks and uncertainties include, but are not limited to, a limited operating history, need for additional capital, a volatile business and technological environment, the process to test and obtain approval to market the candidate pharmaceutical, an evolving business model, and demand for our products. To address these risks, we must, among other things, gain access to capital in amounts and on acceptable terms, maintain and increase our customer base, implement and successfully execute our business strategy, develop the candidate pharmaceutical, continue to enhance our technology, provide superior customer service, and attract, retain, and motivate qualified personnel. There can be no guarantee that we will be successful in addressing such risks.
MedTech Acquisition Corp
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS		NOTE 1. DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS MedTech Acquisition Corporation (the “Company”) was incorporated in Delaware on September 11, 2020. The Company was formed for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses (the “Business Combination”). The Company is not limited to a particular industry or sector for purposes of consummating a Business Combination. The Company is an early stage and emerging growth company and, as such, the Company is subject to all of the risks associated with early stage and emerging growth companies. The Company has one wholly-owned subsidiary that was created on November 9, 2022, MTAC Merger Sub, Inc, a Delaware corporation (“Merger Sub”). As of December 31, 2022, the Company had not commenced any operations. All activity from inception through December 31, 2022, relates to the Company’s formation, the initial public offering (“Initial Public Offering”), which is described below, and subsequent to the Initial Public Offering, identifying a target company for a Business Combination, including the terminated Memic Business Combination and the Merger Agreement with TriSalus (as defined and more fully described in Note 6). The Company will not generate any operating revenues until after the completion of its initial Business Combination, at the earliest. The Company generates non-operating income in the form of interest income from the proceeds derived from the Initial Public Offering, held in the Trust Account. The registration statements for the Company’s Initial Public Offering were declared effective on December 17, 2020. On December 22, 2020, the Company consummated the Initial Public Offering of 25,000,000 units (the “Units” and, with respect to the Class A common stock included in the Units sold, the “Public Shares”), which includes the partial exercise by the underwriter of its over-allotment option in the amount of 3,000,000 Units, at $10.00 per Unit, generating gross proceeds of $250,000,000 which is described in Note 3. Simultaneously with the closing of the Initial Public Offering, the Company consummated the sale of 4,933,333 warrants (the “Private Placement Warrants”) at a price of $1.50 per Private Placement Warrant in a private placement to MedTech Acquisition Sponsor LLC (the “Sponsor”), generating gross proceeds of $7,400,000, which is described in Note 4. Following the closing of the Initial Public Offering on December 22, 2020, an amount of $250,000,000 ($10.00 per Unit) from the net proceeds of the sale of the Units in the Initial Public Offering and the sale of the Private Placement Warrants was placed in a trust account (the “Trust Account”), located in the United States and invested only in U.S. government securities, within the meaning set forth in Section 2(a)(16) of the Investment Company Act of 1940, as amended (the “Investment Company Act”), with a maturity of 185 days or less or in any open-ended investment company that holds itself out as a money market fund selected by the Company meeting certain conditions of Rule 2a-7 of the Investment Company Act, as determined by the Company, until the earlier of (i) the completion of a Business Combination and (ii) the distribution of the funds held in the Trust Account, as described below. Transaction costs amounted to $14,161,525, consisting of $5,000,000 in cash underwriting fees, $8,750,000 of deferred underwriting fees and $411,525 of other offering costs. The Company’s management has broad discretion with respect to the specific application of the net proceeds of the Initial Public Offering and the sale of Private Placement Warrants, although substantially all of the net proceeds are intended to be applied generally toward consummating a Business Combination. There is no assurance that the Company will be able to complete a Business Combination successfully. The Company must complete one or more initial Business Combinations with one or more operating businesses or assets with a fair market value equal to at least 80% of the net assets held in the Trust Account (excluding the amount of deferred underwriting discounts held in trust and net of taxes payable). The Company will only complete a Business Combination if the post-transaction company owns or acquires 50% or more of the outstanding voting securities of the target or otherwise acquires a controlling interest in the target business sufficient for it not to be required to register as an investment company under the Investment Company Act. The Company will provide the holders of the outstanding Public Shares (the “Public Stockholders”) with the opportunity to redeem all or a portion of their Public Shares upon the completion of a Business Combination either (i) in connection with a stockholder meeting called to approve the Business Combination or (ii) by means of a tender offer. The decision as to whether the Company will seek stockholder approval of a Business Combination or conduct a tender offer will be made by the Company. The Public Stockholders will be entitled to redeem their Public Shares for a pro rata portion of the amount then in the Trust Account (initially anticipated to be $10.00 per Public Share, plus any pro rata interest then in the Trust Account, net of taxes payable). There will be no redemption rights upon the completion of a Business Combination with respect to the Company’s warrants. The Company will only proceed with a Business Combination if the Company has net tangible assets of at least $5,000,001 following any related redemptions and, if the Company seeks stockholder approval, a majority of the shares voted are voted in favor of the Business Combination. If a stockholder vote is not required by applicable law or stock exchange listing requirements and the Company does not decide to hold a stockholder vote for business or other reasons, the Company will, pursuant to its Amended and Restated Certificate of Incorporation (the “Certificate of Incorporation”), conduct the redemptions pursuant to the tender offer rules of the U.S. Securities and Exchange Commission (“SEC”) and file tender offer documents with the SEC prior to completing a Business Combination. If, however, stockholder approval of the transaction is required by applicable law or stock exchange listing requirements, or the Company decides to obtain stockholder approval for business or other reasons, the Company will offer to redeem shares in conjunction with a proxy solicitation pursuant to the proxy rules and not pursuant to the tender offer rules. If the Company seeks stockholder approval in connection with a Business Combination, the Sponsor has agreed to vote its Founder Shares (as defined in Note 5) and any Public Shares purchased during or after the Initial Public Offering in favor of approving a Business Combination. Additionally, each Public Stockholder may elect to redeem their Public Shares without voting, and if they do vote, irrespective of whether they vote for or against the proposed transaction. Notwithstanding the foregoing, if the Company seeks stockholder approval of a Business Combination and it does not conduct redemptions pursuant to the tender offer rules, the Certificate of Incorporation will provide that a Public Stockholder, together with any affiliate of such stockholder or any other person with whom such stockholder is acting in concert or as a “group” (as defined under Section 13 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”)), will be restricted from redeeming its shares with respect to more than an aggregate of 15% of the Public Shares, without the prior consent of the Company. The Sponsor has agreed (a) to waive its redemption rights with respect to the Founder Shares and Public Shares held by it in connection with the completion of a Business Combination, (b) to waive its liquidation rights with respect to the Founder Shares if the Company fails to complete a Business Combination by June 22, 2023 (or such earlier date as determined by the board of directors of the Company (the “Board”)) and (c) not to propose an amendment to the Certificate of Incorporation (i) to modify the substance or timing of the Company’s obligation to allow redemptions in connection with a Business Combination or to redeem 100% of its Public Shares if the Company does not complete a Business Combination within the Combination Period (as defined below) or (ii) with respect to any other provision relating to stockholders’ rights or pre-business combination activity, unless the Company provides the Public Stockholders with the opportunity to redeem their Public Shares in conjunction with any such amendment. However, if the Sponsor acquires Public Shares in or after the Initial Public Offering, such Public Shares will be entitled to liquidating distributions from the Trust Account if the Company fails to complete a Business Combination within the Combination Period. The Company will have until June 22, 2023 (or such earlier date as determined by the Board) to complete a Business Combination (the “Combination Period”). If the Company has not completed a Business Combination within the Combination Period, the Company will (i) cease all operations except for the purpose of winding up, (ii) as promptly as reasonably possible but not more than ten business days thereafter, redeem the Public Shares, at a per-share price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to pay taxes (less up to $100,000 of interest to pay dissolution expenses), divided by the number of then outstanding Public Shares, which redemption will completely extinguish Public Stockholders’ rights as stockholders (including the right to receive further liquidating distributions, if any), and (iii) as promptly as reasonably possible following such redemption, subject to the approval of the Company’s remaining stockholders and the Board, dissolve and liquidate, subject in each case to the Company’s obligations under Delaware law to provide for claims of creditors and the requirements of other applicable law. There will be no redemption rights or liquidating distributions with respect to the Company’s warrants, which will expire worthless if the Company fails to complete a Business Combination within the Combination Period. On December 12, 2022, the Company held a special meeting in lieu of the 2022 annual meeting of stockholders. At the meeting, the Company’s stockholders approved an amendment to the Company’s Amended and Restated Certificate of Incorporation (the “Extension Amendment”) to extend the date by which the Company must consummate its initial business combination from December 22, 2022 to June 22, 2023 (or such earlier date as determined by the Board). The Company filed the Extension Amendment with the Secretary of State of the State of Delaware on December 12, 2022. In order to protect the amounts held in the Trust Account, the Sponsor has agreed to be liable to the Company if and to the extent any claims by a third party for services rendered or products sold to the Company, or a prospective target business with which the Company has discussed entering into a transaction agreement, reduce the amount of funds in the Trust Account to below the lesser of (i) $10.00 per Public Share and (ii) the actual amount per Public Share held in the Trust Account as of the date of the liquidation of the Trust Account, if less than $10.00 per public Share due to reductions in the value of the trust assets, less taxes payable, provided that such liability will not apply to any claims by a third party or prospective target business who executed a waiver of any and all rights to monies held in the Trust Account nor will it apply to any claims under the Company’s indemnity of the underwriters of the Initial Public Offering against certain liabilities, including liabilities under the Securities Act of 1933, as amended (the “Securities Act”). Moreover, in the event that an executed waiver is deemed to be unenforceable against a third party, the Sponsor will not be responsible to the extent of any liability for such third-party claims. The Company will seek to reduce the possibility that the Sponsor will have to indemnify the Trust Account due to claims of creditors by endeavoring to have all vendors, service providers (except for the Company’s independent registered public accounting firm), prospective target businesses and other entities with which the Company does business, execute agreements with the Company waiving any right, title, interest or claim of any kind in or to monies held in the Trust Account. Liquidity and Going Concern The accompanying financial statements have been prepared assuming the Company will continue as a going concern, which contemplates, among other things, the realization of assets and satisfaction of liabilities in the normal course of business. As of December 31, 2022, the Company had $153,563 in its operating bank account and working capital deficit of $2,114,252, which excludes $27,854 of income taxes payable. In addition, in order to finance transaction costs in connection with a Business Combination, the Sponsor or an affiliate of the Sponsor, or certain of the Company’s officers and directors may, but are not obligated to, provide the Company Working Capital Loans (see Note 5). On December 30, 2021, the Company issued an unsecured promissory note to the Sponsor in the principal amount of $544,000 (the “2021 Promissory Note”). The 2021 Promissory Note, as described in Note 5, does not bear interest and matures upon closing of the Company’s initial Business Combination. As of December 31, 2022 and 2021, there was $544,000 outstanding under the 2021 Promissory Note. On January 28, 2022, the Company issued an unsecured promissory note in the principal amount of up to $400,000 to the Sponsor (the “2022 Promissory Note”). The 2022 Promissory Note, as described in Note 5, does not bear interest and matures upon closing of the Company’s initial Business Combination. As of December 31, 2022 and 2021, there was $400,000 and $0 outstanding under the 2022 Promissory Note, respectively. On May 24, 2022, the Company issued the Convertible Promissory Note (as defined in Note 5) in the principal amount of up to $1,500,000 to the Sponsor. As of December 31, 2022 and 2021, there were amounts of $1,341,000 and $0 outstanding under the Convertible Promissory Note, respectively. On December 16, 2022, the Company issued a promissory note in the aggregate principal amount of up to $468,821 to the Sponsor (the “Extension Note”), pursuant to which the Sponsor agreed to loan to the Company up to $468,821 (the “Extension Funds”) to deposit into the Company’s trust account (the “Trust Account”) for the shares of Class A common stock of the Company (the “Public Shares”) that were not redeemed in connection with the extension of the Company’s termination date from December 22, 2022 to June 22, 2023 or such earlier date as determined by the Board (the “Extension”). The Extension Note, as described in Note 5, does not bear interest and is repayable in full upon the date of the consummation of an initial business combination. As of December 31, 2022 and 2021, there were the amounts of $39,068 and $0 outstanding under Extension Note, respectively. The Company will deposit $0.04 per share into the Trust Account for each month (commencing on December 23, 2022 and ending on the 22nd day of each subsequent month) (the “Extension Deposit”), or portion thereof, that is needed by the Company to complete an initial business combination until June 22, 2023 or such earlier date as determined by the Board (the “Extension”). Pursuant to the Merger Agreement, TriSalus has agreed to pay, as a transactional expense and not as a loan, for 50% of the costs incurred by the Company in connection with the preparation and filing of applicable proxy materials and the holding of the Meeting (as defined below) (TriSalus’ portion of such fees, the “TriSalus Extension Fees”), in addition to 50% of the amounts deposited into the Trust Account in connection with the Extension, with the remainder to be funded by the Sponsor and/or its designee in the form of a loan to the Company; provided that TriSalus’ obligation to pay the TriSalus Extension Fees and its portion of the deposits for the Extension will terminate immediately at the earliest to occur of (i) the closing date of the TriSalus Business Combination and (ii) the valid termination of the Merger Agreement. Upon such termination, the Company will have no obligation to repay the TriSalus Extension Fees or any portion of the Extension Funds paid by TriSalus. On December 16, 2022, the Company issued an unsecured promissory note in the principal amount of up to $1,000,000 (the “Working Capital Note”) to the Sponsor for working capital purposes, which may be drawn down from time to time upon request by the Company. The Working Capital Note does not bear interest and the principal amount will not be payable if the Company fails to complete its initial business combination within the required time period as set forth in its amendment and restated certificate of incorporation, as amended from time to time. As of December 31, 2022 and 2021, there was no outstanding amount under the Working Capital Note. In connection with the Company’s assessment of going concern considerations in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) Topic 2014-15, “Disclosures of Uncertainties about an Entity’s Ability to Continue as a Going Concern,” the Company has until June 22, 2023, to consummate a Business Combination. It is uncertain that the Company will be able to consummate a Business Combination by this time. If a Business Combination is not consummated by this date, there will be a mandatory liquidation and subsequent dissolution of the Company. Management has determined that the liquidity condition and mandatory liquidation, should a Business Combination not occur, and potential subsequent dissolution raises substantial doubt about the Company’s ability to continue as a going concern. Management plans to consummate a business combination prior to the mandatory liquidation date. No adjustments have been made to the carrying amounts of assets or liabilities should the Company be required to liquidate after June 22, 2023. Risks and Uncertainties Management continues to evaluate the impact of the COVID-19 pandemic on the industry and has concluded that while it is reasonably possible that the virus could have a negative effect on the Company’s financial position, results of its operations and/or search for a target company, the specific impact is not readily determinable as of the date of the financial statement. The financial statement does not include any adjustments that might result from the outcome of this uncertainty. In February 2022, the Russian Federation and Belarus commenced a military action with the country of Ukraine. As a result of this action, various nations, including the United States, have instituted economic sanctions against the Russian Federation and Belarus. Further, the impact of this action and related sanctions on the world economy is not determinable as of the date of these financial statements, and the specific impact on the Company’s financial condition, results of operations, and cash flows is also not determinable as of the date of these financial statements. Inflation Reduction Act of 2022 On August 16, 2022, the Inflation Reduction Act of 2022 (the “IR Act”) was signed into federal law. The IR Act provides for, among other things, a new U.S. federal 1% excise tax on certain repurchases of stock by publicly traded U.S. domestic corporations and certain U.S. domestic subsidiaries of publicly traded foreign corporations occurring on or after January 1, 2023. The excise tax is imposed on the repurchasing corporation itself, not its shareholders from which shares are repurchased. The amount of the excise tax is generally 1% of the fair market value of the shares repurchased at the time of the repurchase. However, for purposes of calculating the excise tax, repurchasing corporations are permitted to net the fair market value of certain new stock issuances against the fair market value of stock repurchases during the same taxable year. In addition, certain exceptions apply to the excise tax. The U.S. Department of the Treasury (the “Treasury”) has been given authority to provide regulations and other guidance to carry out and prevent the abuse or avoidance of the excise tax. Any redemption or other repurchase that occurs after December 31, 2022, in connection with a Business Combination, a vote by the stockholders to extend the period of time to complete the Company’s initial Business Combination (the “extension vote”) or otherwise, may be subject to the excise tax. Whether and to what extent the Company would be subject to the excise tax in connection with a Business Combination, extension vote or otherwise would depend on a number of factors, including (i) the fair market value of the redemptions and repurchases in connection with the Business Combination, extension or otherwise, (ii) the structure of a Business Combination, (iii) the nature and amount of any “PIPE” or other equity issuances in connection with a Business Combination (or otherwise issued not in connection with a Business Combination but issued within the same taxable year of a Business Combination) and (iv) the content of regulations and other guidance from the Treasury. In addition, because the excise tax would be payable by the Company and not by the redeeming holder, the mechanics of any required payment of the excise tax have not been determined. The foregoing could cause a reduction in the cash available on hand to complete a Business Combination and in the Company’s ability to complete a Business Combination.

DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS

9 Months Ended

12 Months Ended

Sep. 30, 2023

Dec. 31, 2022

DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS

DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS

(1)Nature of Business

On August 10, 2023 (the "Closing Date"), TriSalus Life Sciences, Inc., a Delaware corporation (the “Company,” “TriSalus,” “we,” “us”), formerly known as MedTech Acquisition Corporation (“MTAC”), consummated the previously announced merger pursuant to the Agreement and Plan of Merger, dated as of November 11, 2022, as amended by that certain First Amendment to Agreement and Plan of Merger, dated as of April 4, 2023, the Second Amendment to Agreement and Plan of Merger, dated as of May 13, 2023, and the Third Amendment to Agreement and Plan of Merger, dated as of July 5, 2023 (as amended, the “Merger Agreement”), by and between MTAC Merger Sub, Inc., a Delaware corporation and wholly-owned subsidiary of MTAC (“Merger Sub”) and TriSalus Operating Life Sciences, Inc. (formerly known as TriSalus Life Sciences, Inc.), a Delaware corporation (“Legacy TriSalus”), whereby Merger Sub merged with and into Legacy TriSalus with the separate corporate existence of Merger Sub ceasing (the “Merger” and, together with the other transactions contemplated by the Merger Agreement, the “Business Combination”) and TriSalus Life Sciences, Inc. becoming the surviving company. The closing of the Business Combination is herein referred to as “the Closing.” In connection with the consummation of the Merger, on August 10, 2023, Legacy TriSalus changed its name from TriSalus Life Sciences, Inc. to TriSalus Operating Life Sciences, Inc., and MTAC changed its name from MedTech Acquisition Corporation to TriSalus Life Sciences, Inc., the surviving company ("New TriSalus”). As further described in Note 3, Legacy TriSalus was deemed to be the accounting acquirer and predecessor company in the Business Combination. Thus, the prior periods presented in these consolidated financial statements are of Legacy TriSalus.

Description of the Business

We are engaged in the research, development, and sales of innovative drug delivery technology and immune-oncology therapeutics to improve outcomes in difficult to treat liver and pancreatic cancer. Our technology is utilized in the delivery of our therapeutics and administered by interventional radiologists. We are developing and marketing two product lines — Pressure Enabled Drug Delivery (“PEDD™) infusion systems, in use today, and an investigational agent, SD-101, which shows potential to enhance immune system response in the treatment of hepatocellular cancer, pancreatic cancer and other liver solid tumors. The combination of our PEDD technology with SD-101, is focused on solving the two main barriers in the tumor micro environment that inhibits the success of immunotherapy. The first barrier (mechanical) is comprised of high intratumoral pressure within tumors that limits drug uptake and the second barrier (biological) is the reversal of intratumoral immunosuppression. Our PEDD with SmartValve™ is the only technology designed to work in synchrony with the cardiac cycle to open collapsed vessels in the tumor to enable deeper perfusion and improve therapeutic drug delivery in tumors with high intratumoral pressure. PEDD with SmartValve has been shown in prospective and retrospective clinical studies and in multiple pre-clinical models to improve therapy uptake and tumor response.

TriNav™ is the newest therapy delivery device with SmartValve technology for the proprietary PEDD approach. Current sales consist of the TriNav Infusion System, introduced in 2020, and a family of related guiding catheters. In 2020, we gained transitional pass-through payments (“TPT”) approval from the Centers for Medicare & Medicaid Services (“CMS”), which allows hospitals to cover the cost of using TriNav. The approval is scheduled to expire at the end of 2023. On June 1, 2023, TriSalus applied for a new technology Ambulatory Payment Classifications ("APC”) code with CMS and met with CMS on June 26, 2023, to review the application. If granted, the new technology APC code would allow for continuing reimbursement for the TriNav device at similar reimbursement rates for the period beginning January 1, 2024, but there can be no assurance that such code will be granted or that continuing reimbursement will be available at similar reimbursement rates, or at all. SD-101 has a dual mechanism of action in solid tumors which includes the alteration of the tumor microenvironment by reducing immunosuppressive myeloid derived suppressor cells while simultaneously activating immune response and recruiting T cells to the tumor, allowing checkpoint inhibitors to work more effectively.

We believe the full potential of our technology can be realized through the combination of our drug delivery technology with immune-oncology drugs. In July 2020, we acquired our first immune-oncology drug, SD-101, and began clinical development of SD-101 for treatment of liver and pancreatic cancers.

We have funded operations to date principally with proceeds from the sale of preferred stock, from the issuance of debt and convertible debt, and the closing of the Business Combination. Since inception of the Company in 2009 through September 30, 2023, we have issued for cash $164,364 of preferred stock (of which $36,854 was raised at the closing of the Business Combination, including issuance of Series A convertible preferred stock), which, along with $551 from common stock and $44,692 from convertible notes and warrants, has funded our accumulated deficit of $212,867. During the nine months ended September 30, 2023, we raised $9,189 in cash through the issuance of Series B-2 preferred stock, $9,630 in cash through the issuance of Series B-3 preferred stock, $94 from the exercise of stock options, and $36,854 from the Business Combination.

As of September 30, 2023, we had cash and cash equivalents of $21,383. The Company is still in its early stage, has yet to generate revenues sufficient to create positive cash flow and has an accumulated deficit of $212,867 as of September 30, 2023. We are currently undergoing a strategic transformation from a company focused solely on the sale of our infusion systems to a therapeutics company whereby our medical devices will be marketed in combination with the pharmaceutical drugs and other treatments that the devices deliver to patients. This transformation requires that we restructure our operating infrastructure, resulting in an increase in operating expenses — including the development of a candidate pharmaceutical — that, in the short term, will not be fully offset by increased revenues. Without additional financing and based on our sales, operations and research and development plans, our management estimates that our existing cash and cash equivalents will be insufficient to fund our projected liquidity requirements for the next 12 months.

In accordance with ASC Topic 205-40, Presentation of Financial Statements, Going Concern: Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern, we are required to evaluate whether there is substantial doubt about our ability to continue as a going concern each reporting period. In evaluating our ability to continue as a going concern, management projected our cash flow sources and needs and evaluated the conditions and events have raised substantial doubt about our ability to continue as a going concern within one year after the date that these consolidated financial statements were issued. Management’s plans to address the conditions and events have considered our current projections of future cash flows, current financial condition, sources of liquidity and debt obligations for at least one year from the date of issuance of these consolidated financial statements in considering whether we have the ability to fund future operations and meet our obligations as they become due in the normal course of business.

Our ability to fund future operations and to continue the execution of our long-term business plan and strategy, including our transformation into a therapeutics company, will require that we raise additional capital through a combination collaborations, strategic alliances and licensing arrangements, and issuance of additional equity and/or long-term debt. There can be no assurance that we will be able to raise such additional financing or, if available, that such financing can be obtained on satisfactory terms. If adequate capital resources are not available on a timely basis, we intend to consider limiting our operations substantially. This limitation of operations could include a hiring freeze, reductions in our workforce, reduction in cash compensation, deferring clinical trials and capital expenditures, and reducing other operating costs.

Our current operating plan, which is in part determined based on our most recent results and trends, along with the items noted above, causes substantial doubt to exist about our ability to continue as a going concern and management’s plans do not alleviate the existence of substantial doubt. Our financial statements have been prepared assuming we will continue as a going concern, which contemplates the continuity of normal business activities and realization of assets and settlement of liabilities in the normal course of business, and do not include any adjustments that might be necessary should we be unable to continue as a going concern.

We are subject to various risks and uncertainties frequently encountered by companies in the early stages of growth, particularly companies in the rapidly evolving market for medical technology-based and pharmaceutical products and services. Such risks and uncertainties include, but are not limited to, a limited operating history, need for additional capital, a volatile business and technological environment, the process to test and obtain approval to market the candidate pharmaceutical, the process to obtain continuing CMS approval and application for a new ACS code for our PEDD product for reimbursement, an evolving business model, and demand for our products. To address these risks, we must, among other things, gain access to capital in sufficient amounts and on acceptable terms, maintain and increase our customer base, implement and successfully execute our business strategy, develop the candidate pharmaceutical, continue to enhance our technology, provide superior customer service, and attract, retain, and motivate qualified personnel. There can be no guarantee that we will succeed in addressing such risks.

Subsequent Event

On October 2, 2023, we entered into a Standby Equity Purchase Agreement (the “Yorkville Purchase Agreement”) with YA II PN, Ltd. (“Yorkville”). Yorkville is a fund managed by Yorkville Advisors Global, LP, headquartered in Mountainside, New Jersey.

Pursuant to the Yorkville Purchase Agreement, the Company shall have the right, but not the obligation, to sell to Yorkville up to $30,000 of common stock, par value $0.0001 per share of the Company (the “Common Stock”), at the Company’s request any time during the commitment period commencing on October 2, 2023 (the “Effective Date”), and terminating on the first day of the month following the 24-month anniversary of the Effective Date. Each issuance and sale by the Company to Yorkville under the Yorkville Purchase Agreement (an “Advance”) is subject to a maximum limit equal to the greater of: (i) an amount equal to 100% of the average of the daily volume traded of the Company’s Common Stock on the Nasdaq Stock Market (“Nasdaq”) for the 10 trading days immediately preceding an Advance notice, or (ii) 1,000,000 shares of Common Stock. The shares will be issued and sold to Yorkville at a per-share price equal to, at the election of the Company as specified in the relevant Advance notice: (i) 96% of the Market Price (as defined below) for any period commencing on the receipt of the Advance notice by Yorkville and ending on 4:00 p.m. New York City time on the applicable Advance notice date (the “Option 1 Pricing Period”), and (ii) 97% of the Market Price for any three consecutive trading days commencing on the Advance notice date (the “Option 2 Pricing Period,” and each of the Option 1 Pricing Period and the Option 2 Pricing Period, a “Pricing Period”). “Market Price” is defined as, for any Option 1 Pricing Period, the daily volume-weighted average price (“VWAP”) of the Common Stock on Nasdaq, and for any Option 2 Pricing Period, the lowest VWAP of the Common Stock on the Nasdaq during the Option 2 Pricing Period. The Advances are subject to certain limitations, including that Yorkville cannot purchase any shares that would result in it beneficially owning more than 4.99% of the Company’s outstanding Common Stock at the time of an Advance or acquiring since the Effective Date under the Yorkville Purchase Agreement more than 19.99% of the Company’s outstanding Common Stock, as of the date of the Yorkville Purchase Agreement.

(1)Nature of Business

TriSalus Life Sciences, Inc. (the “Company,” “we,” “us”), a Delaware corporation, was incorporated in 2009 as Surefire Medical, Inc. The Company began doing business as TriSalus Life Sciences (“TriSalus”) in 2018, and changed its name to TriSalus Life Sciences, Inc, in August 2021. We are engaged in the research, development, and sales of innovative drug delivery technology and immune-oncology therapeutics to improve outcomes in difficult to treat liver and pancreatic cancer. Our technology is utilized in the delivery of our therapeutics and administered by interventional radiologists. We are developing and marketing two product lines — Pressure Enabled Drug Delivery (“PEDD™”) infusion systems, in use today, and an investigational agent, SD-101, which shows potential to enhance immune system response in the treatment of hepatocellular cancer, pancreatic cancer and other liver solid tumors. Our PEDD with SmartValve™ is the only technology designed to work in synchrony with the cardiac cycle to open collapsed vessels in the tumor to enable deeper perfusion and improve therapeutic drug delivery in tumors with high intratumoral pressure. PEDD with SmartValve has been shown in prospective and retrospective clinical studies and in multiple pre-clinical models to improve therapy uptake and tumor response.

TriNav™ is the newest therapy delivery device with SmartValve technology for the proprietary PEDD approach. Current sales consist of the TriNav infusion System, introduced in 2020, the Surefire Medical infusion System and a family of related guiding catheters. In 2020, we gained transitional pass-through payments (“TPT”) approval from the Centers for Medicare & Medicaid Services (“CMS”), which allows hospitals to cover the cost of using TriNav. The approval is scheduled to expire at the end of 2023; we are actively seeking an extension of the approval.

We believe the full potential of our technology can be realized through the combination of our drug delivery technology with immune-oncology drugs, so, in July 2020, we acquired our first immune-oncology drug, SD-101, and began clinical development of SD-101 for treatment of liver and pancreatic cancers.

We have funded operations to date principally with proceeds from the sale of preferred stock and from the issuance of debt and convertible debt. Since inception of the Company in 2009 through December 31, 2022, we have issued for cash $108,664 of preferred stock, $458 of common stock and $57,466 of convertible notes and warrants, which has funded the cumulative net losses of $186,358. During the year ended December 31, 2022, we raised $13,499 in cash through the issuance of Series B-1 and Series B-2 preferred stock and $94 from the exercise of stock options. In March 2021, all of the then outstanding principle amount of convertible notes, with accumulated interest, converted to shares of Series B preferred stock in accordance with the terms contained in the note agreements; the note conversion did not raise any cash. See notes 10 and 11 for further discussion of the convertible debt, warrants and the 2022 financing rounds.

As of December 31, 2022, we had cash, cash equivalents and restricted cash of $9,664. The Company is still in its early stage, has yet to generate revenues sufficient to create positive cash flow and has accumulated deficit of $186,358 as of December 31, 2022. We are currently undergoing a strategic transformation from a company focused solely on the sale of our infusion systems to a therapeutic company whereby our medical devices will be marketed alongside the pharmaceutical drugs and other treatments that the devices deliver to patients. This transformation requires that we restructure our operating infrastructure, resulting in an increase in operating expenses — including the development of a candidate pharmaceutical — that, in the short term, will not be fully offset by increased revenues.

In accordance with ASC Topic 205-40, Presentation of Financial Statements, Going Concern: Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern, we are required to evaluate whether there is substantial doubt about our ability to continue as a going concern each reporting period. In evaluating our ability to continue as a going concern, management projected our cash flow sources and needs and evaluated the conditions and events that could raise substantial doubt about our ability to continue as a going concern within one year after the date that these consolidated financial statements were issued. Management considered our current projections of future cash flows, current financial condition, sources of liquidity and debt obligations for at least one year from the date of issuance of these consolidated financial statements in considering whether we have the ability to fund future operations and meet our obligations as they become due in the normal course of business.

Our ability to fund future operations and to continue the execution of our long-term business plan and strategy, including our transformation into a therapeutics company, will require that we raise additional capital through the issuance of additional equity and/or long-term debt. There can be no assurance that we will be able to raise such additional financing or, if available, that such financing can be obtained on satisfactory terms. If adequate capital resources are not available on a timely basis, we intend to consider limiting our operations substantially. This limitation of operations could include a hiring freeze, reductions in our workforce, reduction in cash compensation, deferring clinical trials and capital expenditures, and reducing other operating costs.

Our current operating plan, which is in part determined based on our most recent results and trends, along with the items noted above, raises substantial doubt about the Company’s ability to continue as a going concern. Our financial statements have been prepared assuming we will continue as a going concern, which contemplates the continuity of normal business activities and realization of assets and settlement of liabilities in the normal course of business, and do not include any adjustments that might be necessary should we be unable to continue as a going concern.

We are subject to various risks and uncertainties frequently encountered by companies in the early stages of growth, particularly companies in the rapidly evolving market for medical technology-based and pharmaceutical products and services. Such risks and uncertainties include, but are not limited to, a limited operating history, need for additional capital, a volatile business and technological environment, the process to test and obtain approval to market the candidate pharmaceutical, an evolving business model, and demand for our products. To address these risks, we must, among other things, gain access to capital in amounts and on acceptable terms, maintain and increase our customer base, implement and successfully execute our business strategy, develop the candidate pharmaceutical, continue to enhance our technology, provide superior customer service, and attract, retain, and motivate qualified personnel. There can be no guarantee that we will be successful in addressing such risks.

MedTech Acquisition Corp

DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS

DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS

NOTE 1. DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS

MedTech Acquisition Corporation (the “Company”) was incorporated in Delaware on September 11, 2020. The Company was formed for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses (the “Business Combination”).

The Company is not limited to a particular industry or sector for purposes of consummating a Business Combination. The Company is an early stage and emerging growth company and, as such, the Company is subject to all of the risks associated with early stage and emerging growth companies. The Company has one wholly-owned subsidiary that was created on November 9, 2022, MTAC Merger Sub, Inc, a Delaware corporation (“Merger Sub”).

As of December 31, 2022, the Company had not commenced any operations. All activity from inception through December 31, 2022, relates to the Company’s formation, the initial public offering (“Initial Public Offering”), which is described below, and subsequent to the Initial Public Offering, identifying a target company for a Business Combination, including the terminated Memic Business Combination and the Merger Agreement with TriSalus (as defined and more fully described in Note 6). The Company will not generate any operating revenues until after the completion of its initial Business Combination, at the earliest. The Company generates non-operating income in the form of interest income from the proceeds derived from the Initial Public Offering, held in the Trust Account.

The registration statements for the Company’s Initial Public Offering were declared effective on December 17, 2020. On December 22, 2020, the Company consummated the Initial Public Offering of 25,000,000 units (the “Units” and, with respect to the Class A common stock included in the Units sold, the “Public Shares”), which includes the partial exercise by the underwriter of its over-allotment option in the amount of 3,000,000 Units, at $10.00 per Unit, generating gross proceeds of $250,000,000 which is described in Note 3.

Simultaneously with the closing of the Initial Public Offering, the Company consummated the sale of 4,933,333 warrants (the “Private Placement Warrants”) at a price of $1.50 per Private Placement Warrant in a private placement to MedTech Acquisition Sponsor LLC (the “Sponsor”), generating gross proceeds of $7,400,000, which is described in Note 4.

Following the closing of the Initial Public Offering on December 22, 2020, an amount of $250,000,000 ($10.00 per Unit) from the net proceeds of the sale of the Units in the Initial Public Offering and the sale of the Private Placement Warrants was placed in a trust account (the “Trust Account”), located in the United States and invested only in U.S. government securities, within the meaning set forth in Section 2(a)(16) of the Investment Company Act of 1940, as amended (the “Investment Company Act”), with a maturity of 185 days or less or in any open-ended investment company that holds itself out as a money market fund selected by the Company meeting certain conditions of Rule 2a-7 of the Investment Company Act, as determined by the Company, until the earlier of (i) the completion of a Business Combination and (ii) the distribution of the funds held in the Trust Account, as described below.

Transaction costs amounted to $14,161,525, consisting of $5,000,000 in cash underwriting fees, $8,750,000 of deferred underwriting fees and $411,525 of other offering costs.

The Company’s management has broad discretion with respect to the specific application of the net proceeds of the Initial Public Offering and the sale of Private Placement Warrants, although substantially all of the net proceeds are intended to be applied generally toward consummating a Business Combination. There is no assurance that the Company will be able to complete a Business Combination successfully. The Company must complete one or more initial Business Combinations with one or more operating businesses or assets with a fair market value equal to at least 80% of the net assets held in the Trust Account (excluding the amount of deferred underwriting discounts held in trust and net of taxes payable). The Company will only complete a Business Combination if the post-transaction company owns or acquires 50% or more of the outstanding voting securities of the target or otherwise acquires a controlling interest in the target business sufficient for it not to be required to register as an investment company under the Investment Company Act.

The Company will provide the holders of the outstanding Public Shares (the “Public Stockholders”) with the opportunity to redeem all or a portion of their Public Shares upon the completion of a Business Combination either (i) in connection with a stockholder meeting called to approve the Business Combination or (ii) by means of a tender offer. The decision as to whether the Company will seek stockholder approval of a Business Combination or conduct a tender offer will be made by the Company. The Public Stockholders will be entitled to redeem their Public Shares for a pro rata portion of the amount then in the Trust Account (initially anticipated to be $10.00 per Public Share, plus any pro rata interest then in the Trust Account, net of taxes payable). There will be no redemption rights upon the completion of a Business Combination with respect to the Company’s warrants.

The Company will only proceed with a Business Combination if the Company has net tangible assets of at least $5,000,001 following any related redemptions and, if the Company seeks stockholder approval, a majority of the shares voted are voted in favor of the Business Combination. If a stockholder vote is not required by applicable law or stock exchange listing requirements and the Company does not decide to hold a stockholder vote for business or other reasons, the Company will, pursuant to its Amended and Restated Certificate of Incorporation (the “Certificate of Incorporation”), conduct the redemptions pursuant to the tender offer rules of the U.S. Securities and Exchange Commission (“SEC”) and file tender offer documents with the SEC prior to completing a Business Combination. If, however, stockholder approval of the transaction is required by applicable law or stock exchange listing requirements, or the Company decides to obtain stockholder approval for business or other reasons, the Company will offer to redeem shares in conjunction with a proxy solicitation pursuant to the proxy rules and not pursuant to the tender offer rules. If the Company seeks stockholder approval in connection with a Business Combination, the Sponsor has agreed to vote its Founder Shares (as defined in Note 5) and any Public Shares purchased during or after the Initial Public Offering in favor of approving a Business Combination. Additionally, each Public Stockholder may elect to redeem their Public Shares without voting, and if they do vote, irrespective of whether they vote for or against the proposed transaction.

Notwithstanding the foregoing, if the Company seeks stockholder approval of a Business Combination and it does not conduct redemptions pursuant to the tender offer rules, the Certificate of Incorporation will provide that a Public Stockholder, together with any affiliate of such stockholder or any other person with whom such stockholder is acting in concert or as a “group” (as defined under Section 13 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”)), will be restricted from redeeming its shares with respect to more than an aggregate of 15% of the Public Shares, without the prior consent of the Company.

The Sponsor has agreed (a) to waive its redemption rights with respect to the Founder Shares and Public Shares held by it in connection with the completion of a Business Combination, (b) to waive its liquidation rights with respect to the Founder Shares if the Company fails to complete a Business Combination by June 22, 2023 (or such earlier date as determined by the board of directors of the Company (the “Board”)) and (c) not to propose an amendment to the Certificate of Incorporation (i) to modify the substance or timing of the Company’s obligation to allow redemptions in connection with a Business Combination or to redeem 100% of its Public Shares if the Company does not complete a Business Combination within the Combination Period (as defined below) or (ii) with respect to any other provision relating to stockholders’ rights or pre-business combination activity, unless the Company provides the Public Stockholders with the opportunity to redeem their Public Shares in conjunction with any such amendment. However, if the Sponsor acquires Public Shares in or after the Initial Public Offering, such Public Shares will be entitled to liquidating distributions from the Trust Account if the Company fails to complete a Business Combination within the Combination Period.

The Company will have until June 22, 2023 (or such earlier date as determined by the Board) to complete a Business Combination (the “Combination Period”). If the Company has not completed a Business Combination within the Combination Period, the Company will (i) cease all operations except for the purpose of winding up, (ii) as promptly as reasonably possible but not more than ten business days thereafter, redeem the Public Shares, at a per-share price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to pay taxes (less up to $100,000 of interest to pay dissolution expenses), divided by the number of then outstanding Public Shares, which redemption will completely extinguish Public Stockholders’ rights as stockholders (including the right to receive further liquidating distributions, if any), and (iii) as promptly as reasonably possible following such redemption, subject to the approval of the Company’s remaining stockholders and the Board, dissolve and liquidate, subject in each case to the Company’s obligations under Delaware law to provide for claims of creditors and the requirements of other applicable law. There will be no redemption rights or liquidating distributions with respect to the Company’s warrants, which will expire worthless if the Company fails to complete a Business Combination within the Combination Period.

On December 12, 2022, the Company held a special meeting in lieu of the 2022 annual meeting of stockholders. At the meeting, the Company’s stockholders approved an amendment to the Company’s Amended and Restated Certificate of Incorporation (the

“Extension Amendment”) to extend the date by which the Company must consummate its initial business combination from December 22, 2022 to June 22, 2023 (or such earlier date as determined by the Board). The Company filed the Extension Amendment with the Secretary of State of the State of Delaware on December 12, 2022.

In order to protect the amounts held in the Trust Account, the Sponsor has agreed to be liable to the Company if and to the extent any claims by a third party for services rendered or products sold to the Company, or a prospective target business with which the Company has discussed entering into a transaction agreement, reduce the amount of funds in the Trust Account to below the lesser of (i) $10.00 per Public Share and (ii) the actual amount per Public Share held in the Trust Account as of the date of the liquidation of the Trust Account, if less than $10.00 per public Share due to reductions in the value of the trust assets, less taxes payable, provided that such liability will not apply to any claims by a third party or prospective target business who executed a waiver of any and all rights to monies held in the Trust Account nor will it apply to any claims under the Company’s indemnity of the underwriters of the Initial Public Offering against certain liabilities, including liabilities under the Securities Act of 1933, as amended (the “Securities Act”). Moreover, in the event that an executed waiver is deemed to be unenforceable against a third party, the Sponsor will not be responsible to the extent of any liability for such third-party claims. The Company will seek to reduce the possibility that the Sponsor will have to indemnify the Trust Account due to claims of creditors by endeavoring to have all vendors, service providers (except for the Company’s independent registered public accounting firm), prospective target businesses and other entities with which the Company does business, execute agreements with the Company waiving any right, title, interest or claim of any kind in or to monies held in the Trust Account.

Liquidity and Going Concern

The accompanying financial statements have been prepared assuming the Company will continue as a going concern, which contemplates, among other things, the realization of assets and satisfaction of liabilities in the normal course of business. As of December 31, 2022, the Company had $153,563 in its operating bank account and working capital deficit of $2,114,252, which excludes $27,854 of income taxes payable.

In addition, in order to finance transaction costs in connection with a Business Combination, the Sponsor or an affiliate of the Sponsor, or certain of the Company’s officers and directors may, but are not obligated to, provide the Company Working Capital Loans (see Note 5).

On December 30, 2021, the Company issued an unsecured promissory note to the Sponsor in the principal amount of $544,000 (the “2021 Promissory Note”). The 2021 Promissory Note, as described in Note 5, does not bear interest and matures upon closing of the Company’s initial Business Combination. As of December 31, 2022 and 2021, there was $544,000 outstanding under the 2021 Promissory Note.

On January 28, 2022, the Company issued an unsecured promissory note in the principal amount of up to $400,000 to the Sponsor (the “2022 Promissory Note”). The 2022 Promissory Note, as described in Note 5, does not bear interest and matures upon closing of the Company’s initial Business Combination. As of December 31, 2022 and 2021, there was $400,000 and $0 outstanding under the 2022 Promissory Note, respectively.

On May 24, 2022, the Company issued the Convertible Promissory Note (as defined in Note 5) in the principal amount of up to $1,500,000 to the Sponsor. As of December 31, 2022 and 2021, there were amounts of $1,341,000 and $0 outstanding under the Convertible Promissory Note, respectively.

On December 16, 2022, the Company issued a promissory note in the aggregate principal amount of up to $468,821 to the Sponsor (the “Extension Note”), pursuant to which the Sponsor agreed to loan to the Company up to $468,821 (the “Extension Funds”) to deposit into the Company’s trust account (the “Trust Account”) for the shares of Class A common stock of the Company (the “Public Shares”) that were not redeemed in connection with the extension of the Company’s termination date from December 22, 2022 to June 22, 2023 or such earlier date as determined by the Board (the “Extension”). The Extension Note, as described in Note 5, does not bear interest and is repayable in full upon the date of the consummation of an initial business combination. As of December 31, 2022 and 2021, there were the amounts of $39,068 and $0 outstanding under Extension Note, respectively.

The Company will deposit $0.04 per share into the Trust Account for each month (commencing on December 23, 2022 and ending on the 22nd day of each subsequent month) (the “Extension Deposit”), or portion thereof, that is needed by the Company to complete an initial business combination until June 22, 2023 or such earlier date as determined by the Board (the “Extension”).

Pursuant to the Merger Agreement, TriSalus has agreed to pay, as a transactional expense and not as a loan, for 50% of the costs incurred by the Company in connection with the preparation and filing of applicable proxy materials and the holding of the Meeting (as defined below) (TriSalus’ portion of such fees, the “TriSalus Extension Fees”), in addition to 50% of the amounts deposited into the Trust Account in connection with the Extension, with the remainder to be funded by the Sponsor and/or its designee in the form of a loan to the Company; provided that TriSalus’ obligation to pay the TriSalus Extension Fees and its portion of the deposits for the Extension will terminate immediately at the earliest to occur of (i) the closing date of the TriSalus Business Combination and (ii) the valid termination of the Merger Agreement. Upon such termination, the Company will have no obligation to repay the TriSalus Extension Fees or any portion of the Extension Funds paid by TriSalus.

On December 16, 2022, the Company issued an unsecured promissory note in the principal amount of up to $1,000,000 (the “Working Capital Note”) to the Sponsor for working capital purposes, which may be drawn down from time to time upon request by the Company. The Working Capital Note does not bear interest and the principal amount will not be payable if the Company fails to complete its initial business combination within the required time period as set forth in its amendment and restated certificate of incorporation, as amended from time to time. As of December 31, 2022 and 2021, there was no outstanding amount under the Working Capital Note.

In connection with the Company’s assessment of going concern considerations in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) Topic 2014-15, “Disclosures of Uncertainties about an Entity’s Ability to Continue as a Going Concern,” the Company has until June 22, 2023, to consummate a Business Combination. It is uncertain that the Company will be able to consummate a Business Combination by this time. If a Business Combination is not consummated by this date, there will be a mandatory liquidation and subsequent dissolution of the Company. Management has determined that the liquidity condition and mandatory liquidation, should a Business Combination not occur, and potential subsequent dissolution raises substantial doubt about the Company’s ability to continue as a going concern. Management plans to consummate a business combination prior to the mandatory liquidation date. No adjustments have been made to the carrying amounts of assets or liabilities should the Company be required to liquidate after June 22, 2023.

Risks and Uncertainties

Management continues to evaluate the impact of the COVID-19 pandemic on the industry and has concluded that while it is reasonably possible that the virus could have a negative effect on the Company’s financial position, results of its operations and/or search for a target company, the specific impact is not readily determinable as of the date of the financial statement. The financial statement does not include any adjustments that might result from the outcome of this uncertainty.

In February 2022, the Russian Federation and Belarus commenced a military action with the country of Ukraine. As a result of this action, various nations, including the United States, have instituted economic sanctions against the Russian Federation and Belarus. Further, the impact of this action and related sanctions on the world economy is not determinable as of the date of these financial statements, and the specific impact on the Company’s financial condition, results of operations, and cash flows is also not determinable as of the date of these financial statements.

Inflation Reduction Act of 2022

On August 16, 2022, the Inflation Reduction Act of 2022 (the “IR Act”) was signed into federal law. The IR Act provides for, among other things, a new U.S. federal 1% excise tax on certain repurchases of stock by publicly traded U.S. domestic corporations and certain U.S. domestic subsidiaries of publicly traded foreign corporations occurring on or after January 1, 2023. The excise tax is imposed on the repurchasing corporation itself, not its shareholders from which shares are repurchased. The amount of the excise tax is generally 1% of the fair market value of the shares repurchased at the time of the repurchase. However, for purposes of calculating the excise tax, repurchasing corporations are permitted to net the fair market value of certain new stock issuances against the fair market value of stock repurchases during the same taxable year. In addition, certain exceptions apply to the excise tax. The U.S. Department of the Treasury (the “Treasury”) has been given authority to provide regulations and other guidance to carry out and prevent the abuse or avoidance of the excise tax.

Any redemption or other repurchase that occurs after December 31, 2022, in connection with a Business Combination, a vote by the stockholders to extend the period of time to complete the Company’s initial Business Combination (the “extension vote”) or otherwise, may be subject to the excise tax. Whether and to what extent the Company would be subject to the excise tax in connection with a Business Combination, extension vote or otherwise would depend on a number of factors, including (i) the fair market value of the redemptions and repurchases in connection with the Business Combination, extension or otherwise, (ii) the structure of a Business Combination, (iii) the nature and amount of any “PIPE” or other equity issuances in connection with a Business Combination (or otherwise issued not in connection with a Business Combination but issued within the same taxable year of a Business Combination) and (iv) the content of regulations and other guidance from the Treasury. In addition, because the excise tax would be payable by the Company and not by the redeeming holder, the mechanics of any required payment of the excise tax have not been determined. The foregoing could cause a reduction in the cash available on hand to complete a Business Combination and in the Company’s ability to complete a Business Combination.