STT State Street Corporation

NYSE
$188.16

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.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with STT's own trailing one-year pace, with 72% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 4 sellers in the last 90 days
Insiders buying
1
1 transaction
Insiders selling
8
18 transactions
Purchases
$312.5K
2,500 shares
Sales
$21.1M
143,534 shares
Net activity
-$20.8M
purchases less sales

How much of that selling was preplanned? 72% planned / 28% discretionary

10b5-1 plan sales $15.1M 9 transactions · 99,558 shares
Discretionary sales $6.0M 9 transactions · 43,976 shares

Largest single sale: $3.7M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

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
PLANSKY JOHN Executive Vice President Sell 16,100 $124.32 $2.0M 56,162 −22.3% of holding
Porter Brian J. Director Buy 2,500 $124.99 $312.5K 8,898
O HANLEY RONALD P Chairman, CEO and President Sell 10b5-1 29,107 $125.70 $3.7M 270,065 −9.7% of holding
RICHARDS MICHAEL L EVP and Senior Advisor Sell 2,500 $127.91 $319.8K 40,555 −5.8% of holding
AMBROSIUS JOERG Executive Vice President Sell 8,765 $128.00 $1.1M 53,925 −14% of holding
Horgan Kathryn M Executive Vice President Sell 10b5-1 5,676 $127.10 $721.4K 104,687 −5.1% of holding
Horgan Kathryn M Executive Vice President Sell 10b5-1 5,676 $118.55 $672.9K 104,978 −5.1% of holding
RICHARDS MICHAEL L EVP and Senior Advisor Sell 1,500 $117.24 $175.9K 38,626 −3.7% 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.