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Share Repurchase Plan | 6 Months Ended
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Jun. 30, 2026
Equity [Abstract] |
SHARE REPURCHASE PLAN | SHARE REPURCHASE PLAN On January 21, 2026, the Board of Directors of S&T Bancorp, Inc. authorized a $100.0 million share repurchase program. The repurchase authorization permitted 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 $100.0 million aggregate value of S&T's common stock. At June 30, 2026, there was $2.8 million in capacity remaining under the plan. The following table presents common stock repurchase activity for the periods presented:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(in thousands, except share and per share data) | 2026 |  | 2025 |  | 2026 |  | 2025
Value of shares authorized to repurchase |  | $ | 100,000 |  |  |  | $ | 50,000 |  |  |  | $ | 100,000 |  |  |  | $ | 50,000 |
Remaining plan capacity at the beginning of the period |  | $ | 50,379 |  |  |  | $ | — |  |  |  | $ | 100,000 |  |  |  | $ | — |
Total shares repurchased |  | 1,074,924 |  |  |  | — |  |  |  | 2,221,024 |  |  |  | — |
Average share price for the period |  | $ | 44.24 |  |  |  | $ | — |  |  |  | $ | 43.75 |  |  |  | $ | — |
Total share cost of repurchases(1) |  | $ | 47,557 |  |  |  | $ | — |  |  |  | $ | 97,178 |  |  |  | $ | — |
Remaining plan capacity at the end of the period |  | $ | 2,822 |  |  |  | $ | 50,000 |  |  |  | $ | 2,822 |  |  |  | $ | 50,000 |
(1)Excludes excise tax and commissions

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