1st Source (SRCE) files 8-K noting Q4 2025 earnings release

Rhea-AI Filing Summary

1st Source Corporation filed a current report to let investors know it has released its financial results for the fourth quarter of 2025. The company issued a press release on January 22, 2026 announcing its fourth-quarter earnings, and that release is attached to the report as Exhibit 99.1.

The press release, which is incorporated by reference into the report, covers the company’s financial performance for the quarter ended December 31, 2025. This filing mainly serves as a formal notice and public record that those quarterly earnings have been published.

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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): January 22, 2026

1st Source Corporation

(Exact name of registrant as specified in its charter)

Indiana			0-6233			35-1068133
(State or other jurisdiction of incorporation)			(Commission File No.)			(I.R.S. Employer Identification No.)

100 North Michigan Street, South Bend, Indiana 46601

(Address of principal executive offices)     (Zip Code)

574-235-2000

(Registrant's telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

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 - without par value

SRCE

The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). 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. o

ITEM 2.02    Results of Operations and Financial Condition.

On January 22, 2026, 1st Source Corporation issued a press release that announced its fourth quarter earnings for 2025. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated by reference herein.

ITEM 9.01    Financial Statements and Exhibits.

Exhibit 99.1:    Press release dated January 22, 2026, with respect to 1st Source Corporation’s financial results for the fourth quarter ended December 31, 2025.

101        Pursuant to Rule 406 of Regulation S-T, the cover page is formatted in Inline XBRL (Inline eXtensible Business reporting Language).

104        Cover Page Interactive Data File (embedded within the Inline XBRL document and included in Exhibit 101).

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.

						1st SOURCE CORPORATION
						(Registrant)
Date: January 22, 2026						/s/ BRETT A. BAUER
						Brett A. Bauer
						Treasurer and Chief Financial Officer
						Principal Accounting Officer

FAQ

What did 1st Source Corporation (SRCE) disclose in this 8-K filing?

1st Source Corporation disclosed that it issued a press release announcing its fourth quarter 2025 earnings. The report states that this press release, dated January 22, 2026, is attached as Exhibit 99.1 and is incorporated by reference.

Where can investors find 1st Source Corporation’s Q4 2025 financial results?

The detailed fourth quarter 2025 financial results for 1st Source Corporation are contained in the press release attached as Exhibit 99.1 to this report. The filing notes that this exhibit includes financial information for the quarter ended December 31, 2025.

What is the event date associated with this 1st Source Corporation (SRCE) 8-K?

The report identifies January 22, 2026 as the date of the earliest event reported. On that date, 1st Source Corporation issued the press release announcing its fourth quarter 2025 earnings.

Does this 8-K filing itself contain 1st Source Corporation’s Q4 2025 earnings numbers?

The filing states that 1st Source Corporation’s fourth quarter 2025 financial results are provided in the press release attached as Exhibit 99.1. The main body of the report primarily describes the issuance of that press release.

Which exhibit in the 8-K includes 1st Source Corporation’s Q4 2025 results?

The company lists Exhibit 99.1 as a press release dated January 22, 2026 that contains 1st Source Corporation’s financial results for the fourth quarter ended December 31, 2025.

Who signed this 1st Source Corporation (SRCE) 8-K report?

The report was signed on behalf of 1st Source Corporation by Brett A. Bauer, identified as Treasurer and Chief Financial Officer and Principal Accounting Officer, dated January 22, 2026.