1st Source: Carmichael Amends 13G to 4.9% Holding

1st Source Corporation reports an amended Schedule 13G disclosing that Oliver Cromwell Carmichael III beneficially owns 1,228,240 shares of common stock, representing 4.9% of the class.

Rhea-AI Filing Summary

1st Source Corporation reports an amended Schedule 13G disclosing that Oliver Cromwell Carmichael III beneficially owns 1,228,240 shares of common stock, representing 4.9% of the class. The filing cites February 12, 2026 as the outstanding-share reference (25,207,759 shares outstanding). The amendment states 739,777 shares are held in trusts for Mr. Carmichael's children (Mr. Carmichael as trustee with sole voting and dispositive power) and 19,516 shares are held directly by his spouse (with shared voting/dispositive power attributed). The form is signed by Mr. Carmichael on July 6, 2026.

Insights

Corporate Governance Analyst

Amendment shows a sub-5% beneficial stake with trust and spousal attributions.

The filing lists 1,228,240 shares beneficially owned, equal to 4.9% of the outstanding common stock as of February 12, 2026. It attributes 739,777 shares to trusts for family members (sole voting/dispositive power) and 19,516 shares to the reporting person’s spouse (shared power).

Ownership is below the 5% threshold and is reported via a Schedule 13G amendment; subsequent filings would disclose any material change in stake or voting arrangements.

Key Figures

Beneficial ownership: 1,228,240 shares Percent of class: 4.9% Shares outstanding (reference): 25,207,759 shares +3 more

6 metrics

Beneficial ownership 1,228,240 shares Amount beneficially owned reported on Schedule 13G/A

Percent of class 4.9% Percent of common stock based on outstanding shares as of Feb 12, 2026

Shares outstanding (reference) 25,207,759 shares Outstanding shares cited as of <date>February 12, 2026</date>

Trust-held shares 739,777 shares Held in trusts for Mr. Carmichael's children; he is trustee with sole voting/dispositive power

Spouse-held shares 19,516 shares Held directly by spouse; shared voting/dispositive power attributed

CUSIP 336901103 Identifier for 1st Source common stock

Key Terms

Schedule 13G/A, Beneficially owned, Sole voting power, Shared dispositive power

4 terms

Schedule 13G/A regulatory

"Amendment No. 2 ) 1st Source Corporation Common Stock"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

Beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 1,228,240"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Sole voting power corporate

"5 | Sole Voting Power 1,208,724.00"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

Shared dispositive power corporate

"8 | Shared Dispositive Power 19,516.00"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake does Oliver Carmichael III report in 1st Source (SRCE)?

He reports beneficial ownership of 1,228,240 shares, equal to 4.9% of the class. The filing cites 25,207,759 shares outstanding as of February 12, 2026, which is the reference used to calculate the percentage.

How are the reported shares held or attributed for Carmichael?

Of the 1,228,240 shares, 739,777 are held in trusts for his children (he is trustee with sole voting/dispositive power). 19,516 shares are held by his spouse, with shared voting/dispositive attribution to him.

Does this Schedule 13G/A indicate control of 1st Source?

No. The filing shows a 4.9% beneficial stake, below 5%, and does not state any intent to control. It reflects ownership and voting/dispositive power breakdown only as of the cited dates.

What dates are cited in the filing for outstanding shares and signature?

The outstanding-share reference is February 12, 2026 (25,207,759 shares). The Schedule 13G/A is signed by Oliver Carmichael III on July 6, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/06/2026 - 04:15 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

1st Source Corporation

(Name of Issuer)

Common Stock, no par value

(Title of Class of Securities)

336901103

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 336901103

1

Names of Reporting Persons

Oliver Cromwell Carmichael III

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,208,724.00
6	Shared Voting Power 19,516.00
7	Sole Dispositive Power 1,208,724.00
8	Shared Dispositive Power 19,516.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,228,240.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

4.9 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: Based on 25,207,759 outstanding shares of the Issuer's common stock as of February 12, 2026, as reported by the Issuer to the reporting person.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: 1st Source Corporation
(b)	Address of issuer's principal executive offices: 100 North Michigan Street, South Bend, Indiana 46601
Item 2.
(a)	Name of person filing: Oliver Cromwell Carmichael III
(b)	Address or principal business office or, if none, residence: 2605 Elm Hill Pike, Suite I, Nashville, Tennessee 37214
(c)	Citizenship: United States
(d)	Title of class of securities: Common Stock, no par value
(e)	CUSIP No.: 336901103
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 1,228,240
(b)	Percent of class: 4.9%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1,208,724
	(ii) Shared power to vote or to direct the vote: 19,516
	(iii) Sole power to dispose or to direct the disposition of: 1,208,724
	(iv) Shared power to dispose or to direct the disposition of: 19,516
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. Of the shares reported herein, (i) 739,777 shares are held in various trusts for the benefit of Mr. Carmichael's children for which Mr. Carmichael serves as trustee and has sole voting and dispositive power; and (ii) 19,516 shares are held directly by Mr. Carmichael's spouse, as to which Mr. Carmichael may be deemed to be attributed shared voting and dispositive power with his spouse.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Oliver Cromwell Carmichael III

Signature:	/s/ Oliver Cromwell Carmichael III
Name/Title:	Oliver Cromwell Carmichael III
Date:	07/06/2026