1st Source (SRCE) CEO Andrea Short receives 16,179-share stock award

Rhea-AI Filing Summary

1st Source Corporation President and CEO Andrea G. Short, who is also a director, reported receiving a grant of 16,179 shares of common stock on September 23, 2025. The award was made at $0 per share under the company’s 1982 Restricted Stock Award Plan and an employment agreement dated that day.

After this award, she directly beneficially owned 93,554 common shares, and indirectly held 7,032 shares through a 401(k) plan. The restricted stock is subject to vesting and continued employment conditions as described in the plan and employment agreement.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Short Andrea G

Role President and CEO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	16,179	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 93,554 shares (Direct); Common Stock — 7,032 shares (Indirect, By 401(k))

Footnotes (1)

1. 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. Between January 1, 2025 and December 31, 2025, Ms. Short acquired 243 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.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Short Andrea G

(Last) (First) (Middle)

P.O. BOX 1602

(Street)

SOUTH BEND IN 46634

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
1ST SOURCE CORP [ SRCE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
09/23/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/23/2025		A(1)		16,179	A	$0	93,554	D
Common Stock								7,032(2)	I	By 401(k)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

2. Between January 1, 2025 and December 31, 2025, Ms. Short acquired 243 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.

Remarks:

	/s/ Brian S. Duba, Attorney-in-Fact	02/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did SRCE CEO Andrea G. Short report?

Andrea G. Short reported receiving 16,179 shares of 1st Source Corporation common stock as a restricted stock award on September 23, 2025. The grant carried a price of $0 per share and was issued under the company’s 1982 Restricted Stock Award Plan and her employment agreement.

How many 1st Source (SRCE) shares does the CEO own after this Form 4?

Following the reported award, CEO Andrea G. Short directly beneficially owned 93,554 shares of 1st Source common stock. She also indirectly held 7,032 additional shares through a 401(k) plan, based on a plan statement dated December 31, 2025, according to the filing’s disclosure.

What is the nature of the 16,179-share award reported by SRCE’s CEO?

The 16,179-share award is a restricted stock grant issued under the 1982 Restricted Stock Award Plan and an employment agreement dated September 23, 2025. These shares are subject to vesting requirements and continued employment conditions as outlined in the plan and the employment agreement.

How are Andrea G. Short’s indirect SRCE holdings structured?

Andrea G. Short’s indirect holdings consist of 7,032 1st Source common shares held through a 401(k) plan. The filing notes that between January 1 and December 31, 2025, she acquired 243 shares via the 401(k), based on a plan statement dated December 31, 2025.

Was any cash paid for the SRCE shares granted to the CEO?

No cash was paid for the 16,179-share award; the transaction price is reported as $0 per share. This reflects a restricted stock grant provided as part of compensation under the 1982 Restricted Stock Award Plan and the related employment agreement with 1st Source Corporation.