1st Source (SRCE) furnishes investor deck via 8-K Reg FD

1st Source Corporation filed an 8-K under Item 7.01 (Regulation FD) to furnish an investor presentation as Exhibit 99.1.

Rhea-AI Filing Summary

1st Source Corporation filed an 8-K under Item 7.01 (Regulation FD) to furnish an investor presentation as Exhibit 99.1. The executive team may use this material in meetings with investors and analysts.

The company states that Item 7.01 and Exhibit 99.1 are not deemed “filed” under the Exchange Act and are not incorporated into Securities Act filings. The filing also lists the cover page Inline XBRL data file as Exhibit 104. 1st Source’s common stock trades on NASDAQ under the symbol SRCE.

8-K Event Classification

2 items: 7.01, 9.01

2 items

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

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

What did 1st Source (SRCE) disclose in this 8-K?

The company furnished an investor presentation under Item 7.01 (Regulation FD) as Exhibit 99.1.

How will the Exhibit 99.1 investor presentation be used?

Executive officers intend to use the materials, in whole or in part, in meetings with investors and analysts.

Is Exhibit 99.1 considered "filed" with the SEC?

No. The company states Item 7.01 and Exhibit 99.1 are not deemed “filed” and are not incorporated into Securities Act filings.

Which SEC form did 1st Source use?

A Form 8-K under Item 7.01 Regulation FD Disclosure.

What other exhibit was included?

Exhibit 104: Cover Page Interactive Data File embedded within the Inline XBRL document.

What is 1st Source Corporation’s trading symbol and exchange?

Common stock trades on NASDAQ under the symbol SRCE.

Does this filing include financial statements?

No. It lists exhibits only; financial statements are not included in this Item 9.01 disclosure.

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

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Accepted by SEC EDGAR 10/31/2025 - 02:13 PM Learn about SEC filing dates

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): October 31, 2025

1st Source Corporation

(Exact name of registrant as specified in its charter)

Indiana			0-6233			35-1068133
(State or other jurisdiction of incorporation)			(Commission File No.)			(I.R.S. Employer Identification No.)

100 North Michigan Street, South Bend, Indiana 46601

(Address of principal executive offices)     (Zip Code)

574-235-2000

(Registrant's telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock - without par value

SRCE

The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

ITEM 7.01    Regulation FD Disclosure.

The executive officers of 1st Source Corporation intend to use the material filed herewith, in whole or in part, in one or more meetings with investors and analysts. A copy of the investor presentation is attached hereto as Exhibit 99.1.

1st Source Corporation does not intend for this Item 7.01 or Exhibit 99.1 to be treated as “filed” for purposes of the Securities Exchange Act of 1934, as amended, or incorporated into its filings under the Securities Act of 1933, as amended.

ITEM 9.01    Financial Statements and Exhibits.

The following exhibit shall not be deemed as “filed” for purposes of the Securities Exchange Act of 1934, as amended.

(d) Exhibit:

			99.1			1st Source Corporation Investor Presentation
			104			Cover Page Interactive Data File (Embedded within the InLine XBRL document).

						1st SOURCE CORPORATION
						(Registrant)
Date: October 31, 2025						/s/ BRETT A. BAUER
						Brett A. Bauer
						Treasurer and Chief Financial Officer
						Principal Accounting Officer