1ST SOURCE CORP 8-K

What Happened
1st Source Corporation (SRCE) filed a Form 8-K dated May 1, 2026 under Item 7.01 (Regulation FD disclosure) stating that its executive officers intend to use an investor presentation in one or more meetings with investors and analysts. A copy of the investor presentation was furnished as Exhibit 99.1. The filing was signed by Brett A. Bauer, Treasurer and Chief Financial Officer, Principal Accounting Officer.

Key Details

• Form 8-K filed May 1, 2026; Item 7.01 (Regulation FD disclosure).
• Exhibit 99.1: 1st Source Corporation Investor Presentation (furnished, not deemed “filed” under the Securities Exchange Act).
• Signing officer: Brett A. Bauer, Treasurer & CFO, Principal Accounting Officer.
• The filing includes interactive cover page data (Inline XBRL) per Item 9.01 exhibits list.

Why It Matters
This 8-K notifies investors that 1st Source is sharing a company presentation with the market—useful for learning management’s current messaging, strategy or recent operating highlights. The filing does not itself report earnings or other financial results; investors should review the attached Exhibit 99.1 for the actual content of the presentation and any updated metrics or guidance.