false 0001227636 0001227636 2025-11-04 2025-11-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) November 4, 2025

NEURONETICS, INC.

(Exact name of registrant as specified in its charter)

Delaware |  | 001-38546 |  | 33-1051425
(State or other jurisdiction of incorporation) |  | (Commission File Number) |  | (I.R.S. Employer Identification No.)

3222 Phoenixville Pike, Malvern, PA |  | 19355
(Address of principal executive offices) |  | (Zip Code)

Registrant’s telephone number, including area code (877) 600-7555

(Former name or former address, if changed since last report.) Not applicable.

Securities registered pursuant to Section 12(b) of the Act:

Title of each class |  | Trading Symbol (s) |  | Name on each exchange on which registered
Common Stock ($0.01 par value) |  | STIM |  | The Nasdaq Global Market

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 | Results of Operations and Financial Condition.

Neuronetics, Inc. (the “Company”) issued a press release on November 4, 2025, announcing its financial results for the three months ended September 30, 2025. A copy of the press release is being furnished to the Securities and Exchange Commission (“SEC”) as Exhibit 99.1 to this report on Form 8-K and is incorporated by reference to this Item 2.02.

***

The information furnished pursuant to Item 2.02, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference into any of the Company’s filings with the SEC under the Exchange Act or the Securities Act of 1933, as amended (the “Securities Act”), whether made before or after the date hereof, regardless of any general incorporation language in such a filing, except as expressly set forth by specific reference in such a filing. Except as required by law, the Company undertakes no duty or obligation to publicly update or revise the information so furnished.

Item 5.02 | Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On November 4, 2025, the Company announced that Keith J. Sullivan, who has served as President and Chief Executive Officer since July 14, 2020, informed the Board of Directors (the “Board”) of his intention to retire on June 30, 2026. The Company has commenced a search for Mr. Sullivan’s successor. Mr. Sullivan will continue in his current position until a successor is hired. Once a successor is appointed, Mr. Sullivan will remain as a consultant to ensure a seamless transition. Mr. Sullivan’s decision to resign is not the result of any dispute or disagreement with the Company, the Company’s management or the Company’s Board on any matter relating to the Company’s operations, policies or practices.

Item 7.01 | Regulation FD Disclosure.

On November 4, 2025, Neuronetics released a presentation (the “Presentation”) that it may present to certain investors. A copy of the Presentation is attached hereto as Exhibit 99.2. The information contained in Exhibit 99.2 is incorporated herein by reference.

The information in this report furnished pursuant to Item 7.01, including Exhibit 99.2, shall not be deemed “filed” for the purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference into any of the Company’s filings with the SEC under the Exchange Act or the Securities Act whether made before or after the date hereof, regardless of any general incorporation language in such a filing, except as expressly set forth by specific reference in such a filing. Except as required by law, the Company undertakes no duty or obligation to publicly update or revise the information so furnished.

“Safe harbor” statement under the Private Securities Litigation Reform Act of 1995:

Certain statements in this report, including the documents incorporated by reference herein, include “forward-looking statements” within the meaning of Section 27A of the Securities Act, Section 21E of the Exchange Act, which are intended to be covered by the safe harbors created by those laws and other applicable laws and “forward-looking information” within the meaning of applicable Canadian securities laws. Statements in this report that are not historical facts constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements may be identified by terms such as “may,” “will,” “would,” “should,” “expect,” “plan,” “design,” “anticipate,” “could,” “intend,” “target,” “project,” “contemplate,” “believe,” “estimate,” “predict,” “potential,” “outlook” or “continue” as well as the negative of these terms and similar expressions. These statements include those relating to the Company’s business outlook and current expectations for

upcoming quarters and fiscal year 2025, including with respect to revenue, expenses, growth, and any statements of assumptions underlying any of the foregoing items. These statements are subject to significant risks and uncertainties and actual results could differ materially from those projected. The Company cautions investors not to place undue reliance on the forward-looking statements contained in this report. These risks and uncertainties include, without limitation, risks and uncertainties related to: the effect of the transaction with Greenbrook on our business relationships; operating results and business generally; our ability to execute our business strategy; our ability to achieve or sustain profitable operations due to our history of losses; our reliance on the sale and usage of our NeuroStar Advanced Therapy System to generate revenues; the scale and efficacy of our salesforce; our ability to retain talent; availability of coverage and reimbursement from third-party payors for treatments using our products; physician and patient demand for treatments using our products; developments in respect of competing technologies and therapies for the indications that our products treat; product defects; our revenue concentration among a small number of customers; our ability to obtain and maintain intellectual property protection for our technology; developments in clinical trials or regulatory review of the NeuroStar Advanced Therapy System for additional indications; developments in regulation in the U.S. and other applicable jurisdictions; potential effects of evolving and/or extensive government regulation; the terms of our credit facility; our ability to successfully roll-out our Better Me Provider Program on the planned timeline; our self-sustainability and existing cash balances; and our ability to achieve cash flow breakeven in the fourth quarter of 2025. For a discussion of these and other related risks, please refer to the Company’s recent filings with the SEC, which are available on the SEC’s website at www.sec.gov, including, without limitation, the factors described under the heading “Risk Factors” in Neuronetics’ Annual Report on Form 10-K for the fiscal year ended December 31, 2024, as may be updated or supplemented by subsequent reports that Neuronetics has filed or files with the SEC. These forward-looking statements are based on the Company’s expectations and assumptions as of the date of this report. Except as required by law, the Company undertakes no duty or obligation to update any forward-looking statements contained in this report as a result of new information, future events, or changes in the Company’s expectations.

Item 9.01 | Financial Statements and Exhibits.

(d) Exhibits.

Exhibit Number |  | Description
99.1 |  | Press Release, dated November 4, 2025, of Neuronetics, Inc.
99.2 |  | Company Presentation November 2025
104 |  | Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

|  |  |  | NEURONETICS, INC.
|  |  |  | (Registrant)
Date: November 4, 2025 |  |  |  | By: |  | /s/ Steven E. Pfanstiel
|  |  |  | Name: |  | Steven E. Pfanstiel
|  |  |  | Title: |  | EVP, Chief Financial Officer and Treasurer