1ST SOURCE CORP — Director's Dealing 2026

Feb 5, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 1ST SOURCE CORP (SRCE)
CIK: 0000034782
Period of Report: 2025-09-23

Reporting Person: MURPHY CHRISTOPHER J III (Director, Executive Chairman, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-23	Common Stock	A	10000	—	Acquired	495885	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	66023	Indirect
Common Stock	2527512	Indirect
Common Stock	125893	Indirect
Common Stock	282119	Indirect
Common Stock	214770	Indirect
Common Stock	584600	Indirect

Footnotes

F1: 1982 Restricted Stock Award Plan (the "Plan") awards pursuant to Employment Agreement dated September 23, 2025 between 1st Source Corporation and Mr. Murphy. Awards are subject to vesting and continued employment requirements as provided in the Plan and Employment Agreement.

F2: Between January 1, 2025 and December 31, 2025, Mr. Murphy acquired 1,621 shares of 1st Source Corporation common stock under the 401(k) plan. The information in this report is based on a plan statement dated December 31, 2025. In addition, between January 1, 2024 and December 31, 2024, Mr. Murphy acquired 1,672 shares of 1st Source Corporation common stock under the 401(k) plan. This information is based on a plan statement dated December 31, 2024. These shares were inadvertently omitted from the reporting person's 401(k) plan holdings as reported in the Form 4 filed by the reporting person with the Securities and Exchange Commission on December 11, 2025.

F3: Mr. Murphy disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Murphy is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

F4: Mr. Murphy disclaims beneficial ownership of those shares held by the partnership exceeding his pecuniary interest, and this report shall not be deemed an admission that Mr. Murphy is the beneficial owner of such excess shares for purposes of Section 16 or for any other purpose.

F5: Mr. Murphy's spouse is a voting member, and Mr. Murphy is a non-voting member, of the LLC. Mr. Murphy disclaims beneficial ownership of those shares held by the LLC exceeding his pecuniary interest, and this report shall not be deemed an admission that Mr. Murphy is the beneficial owner of such excess shares for purposes of Section 16 or for any other purpose.