0001709442 FALSE 0001709442 2026-04-27 2026-04-27

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): April 27, 2026

FIRSTSUN CAPITAL BANCORP
(Exact name of registrant as specified in its charter)

Delaware | 001-42175 | 81-4552413
(State or other jurisdiction of incorporation or organization) | (Commission File Number) | (I.R.S. Employer Identification Number)

1400 16th Street, Suite 250
Denver, Colorado 80202
(Address of principal executive offices and zip code)
(303) 831-6704
(Registrant's telephone number, including area code)

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))

Securities registered pursuant to Section 12(b) of the Act:
Title of each class |  | Trading Symbol(s) |  | Name of each exchange on which registered
Common Stock, $.0001 Par Value |  | FSUN |  | Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17CFR § 230.405) or 12b-2 of the Exchange Act of 1934 (17 CFR § 240.12b-2).
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.
On April 27, 2026, FirstSun Capital Bancorp (the “Company”) issued an earnings press release announcing financial results for the first quarter ended March 31, 2026. The earnings press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.
Item 7.01 Regulation FD Information.
On April 27, 2026, the Company made available on its website an investor presentation regarding the Company’s financial results for the first quarter ended March 31, 2026, which will be used in connection with an earnings conference call for investors and analysts at 11:00 a.m. (ET) on Tuesday, April 28, 2026 and at upcoming investor conferences. The investor presentation is furnished as Exhibit 99.2.
Item 9.01 Financial Statements and Exhibits
(d) The following exhibit index lists the exhibits that are either filed or furnished with this Current Report on Form 8-K:
EXHIBIT INDEX

Exhibit Number |  | Description
99.1 |  | Earnings Press Release
99.2 |  | Investor Presentation
104 |  | Cover Page Interactive Data File (embedded within the Inline XBRL document).

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

| FIRSTSUN CAPITAL BANCORP
Date: April 27, 2026 | By: | /s/ Robert A. Cafera, Jr.
| Name: | Robert A. Cafera, Jr.
| Title: | Senior Executive Vice President and Chief Financial Officer
|  | (Principal Financial Officer)