S&T Bancorp Inc
Ownership
Ownership Structure
Who owns S&T Bancorp Inc (STBA)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.7% of the shares are freely tradable; institutional investors hold 76.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 14.62 | 5,155,798 | -3.9 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 6.79 | 2,395,690 | -1.7 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 6.59 | 2,325,364 | -0.8 | 06/30/2026 |
| State Street Corp | 5.31 | 1,871,779 | +5.4 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.59 | 1,618,904 | -2.8 | 06/30/2026 |
| Charles Schwab Investment Management Inc | 3.94 | 1,391,023 | +4.0 | 06/30/2026 |
| Geode Capital Management, LLC | 2.79 | 983,052 | +2.4 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.99 | 2,111,101 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.17 | 1,118,632 | -2.5 | 09/30/2026 |
| Schwab US Dividend Equity ETF™ | 2.77 | 975,291 | +0.3 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Hieb William J | Director | 17,344 | 889,765 $ | Aug 12, 2026 | direct |
| Nicholson Susan A | Executive Vice President | 9,538 | 489,299 $ | Jul 29, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 12, 2026 | Hieb William J | Director | Sell | 5 | 51.43 | 257 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 607 | 51.42 | 31,212 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 300 | 51.42 | 15,425 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 355 | 51.39 | 18,243 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 1,300 | 51.38 | 66,794 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 695 | 51.36 | 35,695 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 260 | 51.35 | 13,351 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 905 | 51.34 | 46,463 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 507 | 51.33 | 26,024 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 200 | 51.33 | 10,265 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 1,285 | 51.32 | 65,946 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 500 | 51.35 | 25,673 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 100 | 51.43 | 5,143 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 3 | 51.28 | 154 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 400 | 51.28 | 20,510 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 57 | 51.27 | 2,922 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 925 | 51.26 | 47,416 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 1,385 | 51.25 | 70,981 |
| Aug 12, 2026 | Hieb William J | Director | Sell | 1,290 | 51.40 | 66,306 |
| Aug 11, 2026 | Hieb William J | Director | Sell | 1,573 | 51.30 | 80,695 |
| Aug 11, 2026 | Hieb William J | Director | Sell | 1,905 | 51.26 | 97,650 |
| Aug 11, 2026 | Hieb William J | Director | Sell | 1,832 | 51.18 | 93,762 |
| Jul 29, 2026 | Nicholson Susan A | Executive Vice President | Other | 434 | 52.95 | 22,980 |
| Jul 29, 2026 | Nicholson Susan A | Executive Vice President | Other | 990 | 52.95 | 52,421 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 3, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.