Mark S Peek bought $596k of S
director at SentinelOne, Inc.. 40,000 shares at an average of $14.89, traded Dec 16, 2025, filed Dec 18, 2025.
Score components
- +15RoleDirector
- +19Trade size$596k at market
- +10Relative to holdingsHoldings up 50%
- +18Price context2% above the 52-week low; 41% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m -4.9%, 3m -0.3%, 6m +2.8%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001184754-25-000007, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 16, 2025 | POpen-market purchase Class A Common Stockindirect: By Omega Living Trust | +40,000 | $14.89 | $596k | 120,000 | Dec 18, 2025 |
Related signals
Other insiders at SentinelOne, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| Pro nowfree Oct 16, 2026 | SentinelOne, Inc. | Sonalee Elizabeth Parekh Chief Financial Officer | $413k 16,304 shares | -2% | |
| 51Moderate | SentinelOne, Inc. | Barry L. Padgett President and COO | $392k 15,460 shares | -2% | |
| 62Notable | SentinelOne, Inc. | Sonalee Elizabeth Parekh Chief Financial Officer | $1.3M 51,703 shares | -5% | |
| 51Moderate | SentinelOne, Inc. | Ana G. Pinczuk President Product & Technology | $406k 16,042 shares | -2% | |
| 35Weak | SentinelOne, Inc. | Tomer Weingarten President, CEO | $13M 527,368 shares | -23% | |
| 45Moderate | SentinelOne, Inc. | Tomer Weingarten President, CEO | $2.3M 114,890 shares | -6% | |
| 23Weak | SentinelOne, Inc. | Robin Tomasello Chief Accounting Officer | $266k 13,311 shares | -3% | |
| 41Moderate | SentinelOne, Inc. | Keenan Michael Conder Chief Legal Officer & Sec'y | $164k 8,312 shares | -1% | |
| 33Weak | SentinelOne, Inc. | Sonalee Elizabeth Parekh Chief Financial Officer | $421k 21,664 shares | -2% | |
| 26Weak | SentinelOne, Inc. | Robin Tomasello Chief Accounting Officer | $422k 21,440 shares | -5% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.