Insider Trading for STT
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired
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Shares Disposed
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Net Position
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Recent Activity (30 Days)
Acquisitions: 0 shares
Dispositions: 20.1K shares
Net: -20.1K shares
Insiders have been net sellers recently, which could indicate concerns about current valuation or short-term outlook.
Quarterly Activity (3 Months)
Acquisitions: 21.5K shares
Dispositions: 56.2K shares
Net: -34.7K shares
Insiders have been net sellers over the quarter, which institutional investors may view as a cautionary signal.
Key Insider Activity: Aug 15, 2025 to Jul 21, 2026
O HANLEY RONALD P
ExecutiveChief Executive Officer
-23.4K shares
22 transactions
Horgan Kathryn M
ExecutivePresident
-7.5K shares
8 transactions
PLANSKY JOHN
ExecutivePresident
-1.5K shares
6 transactions
Hu W. Bradford
ExecutiveVice President
+10.3K shares
5 transactions
RICHARDS MICHAEL L
ExecutiveVice President
+701 shares
11 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jul 21, 2026 | Horgan Kathryn M | EPresident | Sale | 5.5K | $184.17 | $1,017,170.91 | 103.2K | View |
| Jul 21, 2026 | O HANLEY RONALD P | EChief Executive Officer | Sale | 14.6K | $184.17 | $2,680,226.01 | 241.0K | View |
| Jun 11, 2026 | Horgan Kathryn M | EPresident | Sale | 5.5K | $162.78 | $895,290.00 | 108.7K | View |
Jun 8, 2026 | Locked | — | — | — | — | — | — | — |
May 26, 2026 | Locked | — | — | — | — | — | — | — |
May 26, 2026 | Locked | — | — | — | — | — | — | — |
May 20, 2026 | Locked | — | — | — | — | — | — | — |
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May 20, 2026 | Locked | — | — | — | — | — | — | — |
May 15, 2026 | Locked | — | — | — | — | — | — | — |
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May 15, 2026 | Locked | — | — | — | — | — | — | — |
May 13, 2026 | Locked | — | — | — | — | — | — | — |
Apr 22, 2026 | Locked | — | — | — | — | — | — | — |
Apr 22, 2026 | Locked | — | — | — | — | — | — | — |
Mar 19, 2026 | Locked | — | — | — | — | — | — | — |
Mar 19, 2026 | Locked | — | — | — | — | — | — | — |
Mar 11, 2026 | Locked | — | — | — | — | — | — | — |
Mar 5, 2026 | Locked | — | — | — | — | — | — | — |
Mar 2, 2026 | Locked | — | — | — | — | — | — | — |
Feb 26, 2026 | Locked | — | — | — | — | — | — | — |
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Feb 26, 2026 | Locked | — | — | — | — | — | — | — |
Feb 24, 2026 | Locked | — | — | — | — | — | — | — |
Feb 23, 2026 | Locked | — | — | — | — | — | — | — |
Feb 23, 2026 | Locked | — | — | — | — | — | — | — |
Feb 13, 2026 | Locked | — | — | — | — | — | — | — |
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Feb 13, 2026 | Locked | — | — | — | — | — | — | — |
Nov 28, 2025 | Locked | — | — | — | — | — | — | — |
Nov 14, 2025 | Locked | — | — | — | — | — | — | — |
Nov 14, 2025 | Locked | — | — | — | — | — | — | — |
Nov 14, 2025 | Locked | — | — | — | — | — | — | — |
Nov 14, 2025 | Locked | — | — | — | — | — | — | — |
Nov 14, 2025 | Locked | — | — | — | — | — | — | — |
Nov 14, 2025 | Locked | — | — | — | — | — | — | — |
Nov 14, 2025 | Locked | — | — | — | — | — | — | — |
Nov 14, 2025 | Locked | — | — | — | — | — | — | — |
Nov 14, 2025 | Locked | — | — | — | — | — | — | — |
Nov 11, 2025 | Locked | — | — | — | — | — | — | — |
Oct 27, 2025 | Locked | — | — | — | — | — | — | — |
Sep 15, 2025 | Locked | — | — | — | — | — | — | — |
Sep 15, 2025 | Locked | — | — | — | — | — | — | — |
Sep 15, 2025 | Locked | — | — | — | — | — | — | — |
Aug 29, 2025 | Locked | — | — | — | — | — | — | — |
Aug 28, 2025 | Locked | — | — | — | — | — | — | — |
Aug 26, 2025 | Locked | — | — | — | — | — | — | — |
Aug 25, 2025 | Locked | — | — | — | — | — | — | — |
Aug 21, 2025 | Locked | — | — | — | — | — | — | — |
Aug 19, 2025 | Locked | — | — | — | — | — | — | — |
Aug 15, 2025 | Locked | — | — | — | — | — | — | — |
Aug 15, 2025 | Locked | — | — | — | — | — | — | — |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net buyers of STT stock, which is typically a strong positive signal.