S&T BANCORP INC 8-K

What Happened

• S&T Bancorp, Inc. filed a Current Report on Form 8-K (May 4, 2026) furnishing an investor presentation under Item 7.01 (Regulation FD Disclosure). The presentation contains financial data management will use in meetings with investors, analysts and other parties, and is available on S&T’s website (www.stbancorp.com). A copy is attached to the 8-K as Exhibit 99.1. The report is signed by Mark Kochvar, Senior Executive Vice President and Chief Financial Officer (dated February 11, 2026).

Key Details

• Filing date: May 4, 2026 (Form 8-K furnishing investor presentation).
• Exhibit: Investor presentation attached as Exhibit 99.1 and posted at www.stbancorp.com.
• Purpose: Presentation contains financial data management will use during investor/analyst visits.
• Administrative: Report furnished under Regulation FD; cover page XBRL file (Exhibit 104) included.

Why It Matters

• This is a routine disclosure making S&T’s investor presentation and related financial data publicly available to all investors at the same time (Regulation FD). Investors and analysts can review the presentation for management’s latest financial metrics and talking points. The 8-K itself does not announce new earnings, executive changes, or a transaction — it simply furnishes the presentation for public access.