STT State Street Corporation
State Street Corporation (STT) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 81% planned / 19% discretionary
Largest single sale: $2.7M.
Where they traded
Last open-market purchase: March 5, 2026 , by Porter Brian J. .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Schaefer Elizabeth | SVP, Chief Accounting Officer | Sell | 500 | $181.19 | $90.6K | 8,073 −5.8% of holding | |
| Hu W. Bradford | EVP and Chief Risk Officer | Sell 10b5-1 | 9,758 | $184.52 | $1.8M | 49,794 −16.4% of holding | |
| O HANLEY RONALD P | Chairman, CEO and President | Sell 10b5-1 | 14,553 | $184.17 | $2.7M | 240,959 −5.7% of holding | |
| Horgan Kathryn M | Executive Vice President | Sell 10b5-1 | 5,523 | $184.17 | $1.0M | 103,171 −5.1% of holding | |
| Horgan Kathryn M | Executive Vice President | Sell 10b5-1 | 5,500 | $162.78 | $895.3K | 108,694 −4.8% of holding | |
| RICHARDS MICHAEL L | EVP and Chief Admin Officer | Sell | 1,500 | $162.14 | $243.2K | 41,827 −3.5% of holding | |
| O HANLEY RONALD P | Chairman, CEO and President | Sell 10b5-1 | 14,553 | $155.35 | $2.3M | 255,512 −5.4% of holding | |
| Hu W. Bradford | EVP and Chief Risk Officer | Sell 10b5-1 | 9,212 | $155.35 | $1.4M | 59,552 −13.4% of holding | |
| Schaefer Elizabeth | SVP, Chief Accounting Officer | Sell | 500 | $150.87 | $75.4K | 8,764 −5.4% of holding | |
| TAHIRI MOSTAPHA | EVP and COO | Sell | 9,611 | $152.93 | $1.5M | 64,642 −12.9% of holding | |
| RICHARDS MICHAEL L | EVP and Chief Admin Officer | Sell | 3,000 | $153.89 | $461.7K | 43,522 −6.4% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.