Jeffrey L. Buhr - 17 Feb 2026 Form 4 Insider Report for 1ST SOURCE CORP (SRCE)

Role: Executive Vice President
Signature: /s/ Brian S. Duba, Attorney-in-Fact
Issuer symbol: SRCE
Transactions as of: 17 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 18 Feb 2026, 17:05:22 UTC
Previous filing: 15 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Buhr Jeffrey L	Executive Vice President	P.O. BOX 1602, SOUTH BEND	/s/ Brian S. Duba, Attorney-in-Fact	18 Feb 2026	0001599829

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SRCE	Common Stock	Award	$0	+4,468	+6.5%	$0.000000	72,898	17 Feb 2026	Direct	F1
holding	SRCE	Common Stock						5,948	17 Feb 2026	By 401(k)	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	EIP awards for 2025.
F2	Between January 1, 2025 and December 31, 2025, Mr. Buhr acquired 218 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.