SRCE · 1St Source Corp

Includes 493,885 shares of common stock held directly by Mr. Murphy, 66,023 shares of common stock held indirectly by Mr. Murphy under the 1st Source Corporation 401(k) Plan, 125,893 shares of common stock held indirectly by Mr. Murphy through a corporation and 496,889 shares of common stock held indirectly by Mr. Murphy through three limited partnerships. Mrs. Murphy disclaims beneficial ownership of these shares of common stock, and this report shall not be deemed an admission that Mrs. Murphy is the beneficial owner of these shares of common stock for purposes of Section 16 or for any other purpose.

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.

EIP awards for 2025.

EIP awards for 2025.

EIP awards for 2025.

EIP awards for 2025.

This Form 4 reports a previously unreported open-market purchase of the issuer's common stock made using cash dividends received by the reporting person. Fractional shares were credited by the reporting person's brokerage account.

Includes 485,885 shares of common stock held directly by Mr. Murphy, 62,730 shares of common stock held indirectly by Mr. Murphy under the 1st Source Corporation 401(k) Plan, 125,893 shares of common stock held indirectly by Mr. Murphy through a corporation and 496,889 shares of common stock held indirectly by Mr. Murphy through two limited partnerships. Mrs. Murphy disclaims beneficial ownership of these shares of common stock, and this report shall not be deemed an admission that Mrs. Murphy is the beneficial owner of these shares of common stock for purposes of Section 16 or for any other purpose.

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.

This Form 4 reports previously unreported open-market purchases of the issuer's common stock made using cash dividends received by the reporting person. Fractional shares were credited by the reporting person's brokerage account.

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

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

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.

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.

This Form 4 reports previously unreported open-market purchases of the issuer's common stock made using cash dividends received by the reporting person. Fractional shares were credited by the reporting person's brokerage account.