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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
July 22, 2026
Date of Report (date of earliest event reported)
S&T BANCORP, INC
(Exact name of registrant as specified in its charter)

Pennsylvania | 0-12508 | 25-1434426 |
(State or other jurisdiction of incorporation or organization) | (Commission File Number) | (I.R.S. Employer Identification No.) |
800 Philadelphia Street | Indiana | PA | 15701 |
(Address of Principal Executive Offices) | (Zip Code) |

(800) 325-2265
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 (see General Instruction A.2. below):
☐ 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, $2.50 par value | STBA | NASDAQ Global Select Market

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. ☐

Item 2.02 Results of Operations and Financial Condition.
On July 23, 2026 S&T Bancorp, Inc. (S&T) announced by press release its earnings for the three and six months ended June 30, 2026. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference in this Item 2.02. The information contained in this Item 2.02 of this Report on Form 8-K, including Exhibit 99.1, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Exchange Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.
Item 7.01 Regulation FD Disclosure.
In connection with the issuance of its earnings for the three and six months ended June 30, 2026, S&T has also made available on its website materials that contain supplemental information about S&T’s financial results (“Supplemental Information”). A copy of the Supplemental Information is attached hereto as Exhibit 99.2 and is incorporated by reference in this Item 7.01. The information contained in this Item 7.01 of this Report on Form 8-K, including Exhibit 99.2, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.
Item 8.01 Other Events.
On July 23, 2026 S&T announced that the Board authorized a new $100 million share repurchase program at its meeting held July 22, 2026. The new program is set to expire on August 31, 2027. The remaining capacity under the existing share repurchase program was terminated. The new program will replace the existing share repurchase program effective July 27, 2026. This repurchase authorization permits S&T to repurchase shares of S&T's common stock from time to time through a combination of open market and privately negotiated repurchases up to the authorized $100 million aggregate value of S&T's common stock. The specific timing, price and quantity of repurchases will be at the discretion of S&T and will depend on a variety of factors, including general market conditions, the trading price of the common stock, applicable securities laws and other legal and contractual requirements, as well as S&T’s financial performance. The repurchase program does not obligate S&T to repurchase any particular number of shares and may be extended, modified, or discontinued at any time. A copy of the press release is attached hereto as Exhibit 99.3 to this report and is incorporated herein by reference.
The information in this Form 8-K and the exhibits attached to this Form 8-K contains certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are based on current expectations and are subject to a number of factors that could cause actual events to differ materially from those anticipated, including without limitation fluctuations in the market price of the common stock, regulatory, legal and contractual requirements, other uses of capital, the company’s financial performance, market conditions generally or modification, extension or termination of the share repurchase authorization by the board of directors. Forward-looking statements are based on beliefs and assumptions using information available at the time the statements are made. We caution you not to unduly rely on forward-looking statements because the assumptions, beliefs, expectations and projections about future events may, and often do, differ materially from actual results. You should consider the above uncertainties as well as the precautionary statements included in S&T’s filings with the SEC, including without limitation the “risk factors” section of its Form 10-K. Any forward-looking statement speaks only as to the date on which it is made, and we undertake no obligation to update any forward-looking statement to reflect developments occurring after the statement is made.

Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.

Exhibit No. |  | Description of Exhibit
99.1 |  | Earnings Press Release
99.2 |  | Supplemental Information
99.3 |  | Share Repurchase Program Press Release
104 |  | Cover Page Interactive Data File (embedded in the cover page formatted in Inline XBRL)

SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed by the undersigned thereunto duly authorized.

| S&T Bancorp, Inc.
| /s/ Mark Kochvar
July 23, 2026 | Mark Kochvar Senior Executive Vice President, Chief Financial Officer