S SentinelOne, Inc.

NYSE
$19.75

SentinelOne, Inc. (S) 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.

Insider signal Moderately bearish Selling ran elevated versus S's own trailing one-year pace, with 39% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 6 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
6
17 transactions
Purchases
$0
0 shares
Sales
$7.6M
399,340 shares
Net activity
-$7.6M
purchases less sales

How much of that selling was preplanned? 39% planned / 61% discretionary

10b5-1 plan sales $2.9M 5 transactions · 158,092 shares
Discretionary sales $4.7M 12 transactions · 241,248 shares

Largest single sale: $1.1M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: December 16, 2025 , by PEEK MARK S .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
TOMASELLO ROBIN Chief Accounting Officer Sell 10b5-1 13,311 $19.95 $265.5K 405,112 −3.2% of holding
Weingarten Tomer President, CEO Sell 38,759 $19.79 $767.0K 1,801,827 −2.1% of holding
Parekh Sonalee Elizabeth Chief Financial Officer Sell 10b5-1 21,664 $19.44 $421.2K 942,617 −2.2% of holding
TOMASELLO ROBIN Chief Accounting Officer Sell 14,205 $19.79 $281.1K 418,423 −3.3% of holding
Conder Keenan Michael Chief Legal Officer & Sec'y Sell 8,312 $19.79 $164.5K 948,046 −0.9% of holding
TOMASELLO ROBIN Chief Accounting Officer Sell 10b5-1 7,235 $19.44 $140.6K 432,628 −1.6% of holding
Weingarten Tomer President, CEO Sell 53,811 $20.08 $1.1M 1,840,586 −2.8% of holding
Conder Keenan Michael Chief Legal Officer & Sec'y Sell 26,374 $20.08 $529.6K 956,358 −2.7% of holding
PADGETT BARRY L. President and COO Sell 9,778 $20.09 $196.5K 977,430 −1% of holding
Pinczuk Ana G. President Product & Technology Sell 6,230 $20.09 $125.1K 737,716 −0.8% of holding
TOMASELLO ROBIN Chief Accounting Officer Sell 5,467 $20.08 $109.8K 439,863 −1.2% of holding
Weingarten Tomer President, CEO Sell 10b5-1 57,941 $18.75 $1.1M 1,894,397 −3% of holding
Parekh Sonalee Elizabeth Chief Financial Officer Sell 12,987 $18.25 $237.1K 964,281 −1.3% of holding
Parekh Sonalee Elizabeth Chief Financial Officer Sell 33,823 $17.89 $605.1K 977,268 −3.3% of holding
Pinczuk Ana G. President Product & Technology Sell 16,042 $17.89 $287.0K 743,946 −2.1% of holding
PADGETT BARRY L. President and COO Sell 15,460 $17.89 $276.6K 987,208 −1.5% of holding
Weingarten Tomer President, CEO Sell 10b5-1 57,941 $17.71 $1.0M 1,894,397 −3% 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.