S&T Bancorp Inc.

STBA·NASDAQ·$45.34Share Price as of 11/2·$2BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/06/26 10-QQ1 ended 03/31/2605/08/26 10-KFY 202502/27/26 10-QQ3 ended 09/30/2511/06/25 10-QQ2 ended 06/30/2508/07/25

Disclosures

8-KCurrent report10/28/26 8-KCurrent report10/22/26 8-KCurrent report08/05/26 8-KCurrent report07/27/26 8-KCurrent report07/23/26

Prospectuses and Registrations

S-3DProspectus / registration12/05/24 S-3ASRAutomatic shelf registration08/02/24 S-3ASRAutomatic shelf registration08/05/21 S-8Registration of securities for employees08/05/21 424B3Prospectus08/22/19

Proxies

DEF 14ADefinitive proxy03/30/26 DEFA14AAdditional proxy materials03/30/26 DEF 14ADefinitive proxy03/31/25 DEFA14AAdditional proxy materials03/31/25 DEF 14ADefinitive proxy04/01/24

Ownership

Form 4Insider transaction08/13/26 13F-NTInstitutional holdings08/12/26 144Proposed sale of securities08/10/26 Form 4Insider transaction07/31/26 Form 4Insider transaction06/03/26

Other

N-PXAnnual report of proxy voting record09/30/26 11-KEmployee stock purchase plan report06/26/26 ARSAnnual report to shareholders03/30/26 11-KEmployee stock purchase plan report06/23/25 ARSAnnual report to shareholders03/31/25