🕵️ Sentinelone, Inc. ($S)
SEC insider & ownership activity, last 12 months · CIK 1583708 · every row links its SEC filing
Over the last 12 months insiders sold $28.7M against $596K of open-market buying. Weingarten Tomer sold $21.2M (Oct–Sep). 1 planned sale is pending, the largest $247K (Robin Tomasello). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $596K (1 lots) · 7 sellers, $28.7M (57 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Weingarten Tomer | 0 | – | 23 | $21.2M | Sep 11, 2026 |
| Tomasello Robin | 0 | – | 11 | $1.4M | Sep 10, 2026 |
| Conder Keenan Michael | 0 | – | 9 | $1.3M | Sep 8, 2026 |
| Parekh Sonalee Elizabeth | 0 | – | 3 | $1.3M | Sep 8, 2026 |
| Ana G. Pinczuk | 0 | – | 5 | $1.2M | Aug 6, 2026 |
| Barbara A. Larson | 0 | – | 2 | $1.2M | Jan 6, 2026 |
| Barry L. Padgett | 0 | – | 4 | $1.1M | Aug 6, 2026 |
| Mark S. Peek | 1 | $596K | 0 | – | Dec 16, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| AQR Capital Management, LLC | 6.9% | Class A | 13G | Aug 13, 2026 | filing ↗ |
| AQR Capital Management Holdings, LLC | 6.9% | Class A | 13G | Aug 13, 2026 | filing ↗ |
| Vanguard Portfolio Management | 6.5% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Tomer Weingarten | $2.3M | Sep 11, 2026 | filing ↗ |
| Robin Tomasello | $158K | Sep 10, 2026 | filing ↗ |
| Sonalee Parekh | $431K | Sep 8, 2026 | filing ↗ |
| Robin Tomasello | $247K | Sep 8, 2026 | filing ↗ |
| Tomer Weingarten | $2.0M | Jul 1, 2026 | filing ↗ |
| Tomer Weingarten | $880K | Jun 15, 2026 | filing ↗ |
| Tomer Weingarten | $846K | Jun 11, 2026 | filing ↗ |
| Tomer Weingarten | $3.6M | May 4, 2026 | filing ↗ |
| Tomer Weingarten | $1K | May 1, 2026 | filing ↗ |
| Tomer Weingarten | $563K | Mar 17, 2026 | filing ↗ |
| Tomer Weingarten | $4.6M | Dec 11, 2025 | filing ↗ |
| Insight Partners XI (CO-INVESTORS) (B), L.P. | $47K | Oct 14, 2025 | filing ↗ |
| Insight Partners XI, L.P. | $2.1M | Oct 14, 2025 | filing ↗ |
| Insight Partners (DELAWARE) XI, L.P. | $12K | Oct 14, 2025 | filing ↗ |
| Insight Venture Partners X (CO-INVESTORS), L.P. | $629K | Oct 14, 2025 | filing ↗ |
| Insight Partners Fund X Follow-On Fund, L.P. | $126K | Oct 14, 2025 | filing ↗ |
| Insight Partners (CAYMAN) XI, L.P. | $2.2M | Oct 14, 2025 | filing ↗ |
| Insight Partners Fund X (DELAWARE) Follow-On Fund, L.P. | $22K | Oct 14, 2025 | filing ↗ |
| Insight Venture Partners (DELAWARE) X, L.P. | $4.2M | Oct 14, 2025 | filing ↗ |
| Insight Venture Partners X, L.P. | $26.4M | Oct 14, 2025 | filing ↗ |
| Insight Partners (DELAWARE) XI, L.P. | $287K | Oct 14, 2025 | filing ↗ |
| Insight Partners Fund X (CAYMAN) Follow-On Fund, L.P. | $180K | Oct 14, 2025 | filing ↗ |
| Insight Partners (EU) XI, S.C.SP | $267K | Oct 14, 2025 | filing ↗ |
| Insight Venture Partners (CAYMAN) X, L.P. | $21.7M | Oct 14, 2025 | filing ↗ |
| Insight Partners XI (CO-INVESTORS), L.P. | $34K | Oct 14, 2025 | filing ↗ |
| Insight Partners (EU) XI, S.C.SP | $330K | Oct 6, 2025 | filing ↗ |
| Insight Partners XI (CO-INVESTORS) (B), L.P. | $58K | Oct 6, 2025 | filing ↗ |
| Insight Partners XI, L.P. | $2.5M | Oct 6, 2025 | filing ↗ |
| Insight Partners Fund X (CO-INVESTORS) Follow-On Fund, L.P. | $15K | Oct 6, 2025 | filing ↗ |
| Insight Venture Partners X (CO-INVESTORS), L.P. | $778K | Oct 6, 2025 | filing ↗ |
| Insight Partners Fund X Follow-On Fund, L.P. | $156K | Oct 6, 2025 | filing ↗ |
| Insight Partners (CAYMAN) XI, L.P. | $2.8M | Oct 6, 2025 | filing ↗ |
| Insight Partners Fund X (DELAWARE) Follow-On Fund, L.P. | $27K | Oct 6, 2025 | filing ↗ |
| Insight Venture Partners (DELAWARE) X, L.P. | $5.2M | Oct 6, 2025 | filing ↗ |
| Insight Venture Partners X, L.P. | $32.7M | Oct 6, 2025 | filing ↗ |
| Insight Partners (DELAWARE) XI, L.P. | $355K | Oct 6, 2025 | filing ↗ |
| Insight Partners Fund X (CAYMAN) Follow-On Fund, L.P. | $222K | Oct 6, 2025 | filing ↗ |
| Insight Venture Partners (CAYMAN) X, L.P. | $26.8M | Oct 6, 2025 | filing ↗ |
| Insight Partners XI (CO-INVESTORS), L.P. | $42K | Oct 6, 2025 | filing ↗ |
| Insight Partners Fund X (DELAWARE) Follow-On Fund, L.P. | $6K | Oct 1, 2025 | filing ↗ |
| Insight Partners (CAYMAN) XI, L.P. | $656K | Oct 1, 2025 | filing ↗ |
| Insight Partners Fund X Follow-On Fund, L.P. | $37K | Oct 1, 2025 | filing ↗ |
| Insight Venture Partners (DELAWARE) X, L.P. | $1.2M | Oct 1, 2025 | filing ↗ |
| Insight Venture Partners X (CO-INVESTORS), L.P. | $184K | Oct 1, 2025 | filing ↗ |
| Insight Partners Fund X (CO-INVESTORS) Follow-On Fund, L.P. | $4K | Oct 1, 2025 | filing ↗ |
| Insight Venture Partners X, L.P. | $7.7M | Oct 1, 2025 | filing ↗ |
| Insight Partners XI, L.P. | $14K | Oct 1, 2025 | filing ↗ |
| Insight Partners (DELAWARE) XI, L.P. | $84K | Oct 1, 2025 | filing ↗ |
| Insight Partners XI (CO-INVESTORS) (B), L.P. | $14K | Oct 1, 2025 | filing ↗ |
| Insight Partners Fund X (CAYMAN) Follow-On Fund, L.P. | $53K | Oct 1, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 27, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 27, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 25, 2026 | filing ↗ |
| Earnings (2.02) | May 28, 2026 | filing ↗ |
| Exit or disposal costs (2.05) | May 28, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 28, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 19, 2026 | filing ↗ |
| Earnings (2.02) | Mar 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 12, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 28, 2026 | filing ↗ |
| Other events (8.01) | Jan 8, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 4, 2025 | filing ↗ |
| Officer/director changes (5.02) | Dec 4, 2025 | filing ↗ |
| Earnings (2.02) | Dec 4, 2025 | filing ↗ |
| Officer/director changes (5.02) | Dec 4, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 4, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 25, 2025 | filing ↗ |
| Other events (8.01) | Sep 25, 2025 | filing ↗ |