Shareholder Vote

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 25, 2024 1st Source Corp oration (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 5.07      Submission of Matters to a Vote of Security Holders. The following actions were taken by the shareholders of 1st Source Corporation (the “Company”) at the annual shareholders’ meeting held April 25, 2024: 1.    Election of Directors The directors named below were elected to the Board of Directors, as follows: Terms Expiring in April, 2027: Nominee Votes For Votes Against Votes Abstain Broker Non-Vote Melody Birmingham 18,693,965 736,664 36,094 2,058,782 Tracy D. Graham 18,715,620 717,322 33,781 2,058,782 Mark D. Schwabero 13,939,325 5,477,595 49,803 2,058,782 Ronda Shrewsbury 14,677,669 4,718,728 70,326 2,058,782 In addition, the following directors continued in office after the 2024 annual meeting: Terms Expiring in April, 2025: Terms Expiring in April, 2026: John F. Affleck-Graves Christopher J. Murphy III Daniel B. Fitzpatrick Timothy K. Ozark Christopher J. Murphy IV Todd F. Schurz Isaac P. Torres Andrea G. Short 2.    Ratification of the appointment of FORVIS‚ LLP as 1st Source Corporation’s independent registered public accounting firm for the fiscal year ending December 31, 2024 The Audit Committee has appointed FORVIS‚ LLP as the independent registered public accounting firm for 1st Source for the fiscal year ending December 31, 2024. Votes For Votes Against Votes Abstain Broker Non-Vote 21,295,908 127,646 101,951 — 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: April 26, 2024 /s/ BRETT A. BAUER Brett A. Bauer Treasurer and Chief Financial Officer Principal Accounting Officer