SentinelOne, Inc.
S · Services-Prepackaged Software · 294.9M shares · +73%/yr ↑ dilution · EDGAR filings ↗
Reference price $15.21 · est. market cap ~$4.5B — last insider sale, 2026-06-15 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
C56Fast-growing security platform, just free-cash-flow positive but with large GAAP losses.
Strengths
- Strong growth — revenue +21.9% (73rd)
- Turned FCF positive — FCF $75.9M (34th)
- High gross margin — 74.1%
Risks
- Large GAAP losses — operating margin -32.1%, net margin -45.0%
- Negative returns — ROE -31.4% (13th)
- Heavy stock comp; CrowdStrike/Microsoft competition — per 10-K
Notable findings
- Chronic dilutionShare count +73%/yr over 4y (dilution, book value/share -90%)
- Net lossNet loss (net margin -45.0%)
- Exec changeRecent 8-K item 5.02 8-K ↗
- Fund exitedNotable fund(s) exited this quarter: VANGUARD GROUP INC, Bridgewater Associates, LP
- Strong balance sheetStrong balance sheet — $770M cash & investments
- Notable holderHeld by 4 notable fund(s): STATE STREET CORP, CITADEL ADVISORS LLC, GOLDMAN SACHS GROUP INC +1 more (as of 2026-03-31)
- Insider sellingInsider selling — 29 open-market sale(s) by 6 insider(s) (cluster of 6 insiders, ~$12M, last 6mo) Form 4 ↗
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
74.1%
Operating margin
-32.1%
Net margin
-45.0%
Return on equity
-31.4%
Return on assets
-18.5%
Revenue growth (QoQ)
2.0%
Current ratio
1.4×
Free cash flow
$76M
EBITDA
-$266M
Tangible book value
$395M
Cash & investments
$770M
Stock comp / revenue
29.7%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-25 | Barrenechea Mark J | Grant | 3.5K | — |
| 2026-06-25 | Scheinman Daniel | Grant | 14K | — |
| 2026-06-25 | Wardi Teddie Benjamin | Grant | 14K | — |
| 2026-06-25 | Hughes Aaron | Grant | 4.2K | — |
| 2026-06-25 | PEEK MARK S | Grant | 14K | — |
| 2026-06-25 | PEEK MARK S | Grant | 4.7K | — |
| 2026-06-25 | BEGLEY CHARLENE T | Grant | 14K | — |
| 2026-06-25 | BEGLEY CHARLENE T | Grant | 4.4K | — |
| 2026-06-25 | Barrenechea Mark J | Grant | 14K | — |
| 2026-06-25 | Wardi Teddie Benjamin | Grant | 3.6K | — |
| 2026-06-25 | Hughes Aaron | Grant | 14K | — |
| 2026-06-15 | Weingarten Tomer | Conversion | 58K | — |
| 2026-06-15 | Weingarten Tomer | Sell | 58K | $15.21 |
| 2026-06-11 | Weingarten Tomer | Sell | 57K | $14.60 |
| 2026-06-08 | TOMASELLO ROBIN | Sell | 12K | $15.70 |
| 2026-06-08 | Conder Keenan Michael | Sell | 8.4K | $15.70 |
| 2026-06-08 | Weingarten Tomer | Sell | 39K | $15.73 |
| 2026-05-06 | TOMASELLO ROBIN | Sell | 2.5K | $15.65 |
| 2026-05-06 | Weingarten Tomer | Sell | 22K | $15.65 |
| 2026-05-06 | Conder Keenan Michael | Sell | 4.5K | $15.65 |
| 2026-05-04 | Weingarten Tomer | Conversion | 232K | — |
| 2026-05-04 | Weingarten Tomer | Sell | 232K | $15.32 |
| 2026-05-01 | Weingarten Tomer | Sell | 100 | $15.00 |
| 2026-05-01 | Weingarten Tomer | Conversion | 100 | — |
| 2026-04-15 | TOMASELLO ROBIN | Grant | 56K | — |
| 2026-04-15 | Conder Keenan Michael | Grant | 421K | — |
| 2026-04-15 | PADGETT BARRY L. | Grant | 374K | — |
| 2026-04-15 | Weingarten Tomer | Grant | 936K | — |
| 2026-04-15 | Parekh Sonalee Elizabeth | Grant | 1.0M | — |
| 2026-04-15 | Pinczuk Ana G. | Grant | 187K | — |
| 2026-04-06 | PADGETT BARRY L. | Sell | 15K | $13.41 |
| 2026-04-06 | Pinczuk Ana G. | Sell | 16K | $13.41 |
| 2026-03-25 | PADGETT BARRY L. | Sell | 32K | $13.37 |
| 2026-03-25 | Conder Keenan Michael | Sell | 5.6K | $13.37 |
| 2026-03-25 | Weingarten Tomer | Sell | 73K | $13.37 |
| 2026-03-25 | Pinczuk Ana G. | Sell | 32K | $13.37 |
| 2026-03-25 | TOMASELLO ROBIN | Sell | 1.5K | $13.37 |
| 2026-03-23 | Conder Keenan Michael | Grant | 14K | — |
| 2026-03-23 | Weingarten Tomer | Grant | 39K | — |
| 2026-03-23 | Conder Keenan Michael | Grant | 9.1K | — |
| 2026-03-23 | PADGETT BARRY L. | Grant | 93K | — |
| 2026-03-23 | TOMASELLO ROBIN | Grant | 4.1K | — |
| 2026-03-23 | Pinczuk Ana G. | Grant | 75K | — |
| 2026-03-23 | Weingarten Tomer | Grant | 102K | — |
| 2026-03-17 | Weingarten Tomer | Sell | 39K | $14.47 |
| 2026-03-06 | Conder Keenan Michael | Sell | 5.2K | $13.81 |
| 2026-03-06 | Weingarten Tomer | Sell | 37K | $13.81 |
| 2026-03-06 | TOMASELLO ROBIN | Sell | 10K | $13.81 |
| 2026-02-11 | Weingarten Tomer | Sell | 39K | $13.48 |
| 2026-02-06 | Weingarten Tomer | Sell | 23K | $13.15 |
| 2026-02-06 | Conder Keenan Michael | Sell | 4.2K | $13.15 |
| 2026-02-06 | TOMASELLO ROBIN | Sell | 3.0K | $13.15 |
| 2026-01-06 | Pinczuk Ana G. | Sell | 12K | $14.82 |
| 2026-01-06 | Weingarten Tomer | Conversion | 52K | — |
| 2026-01-06 | Weingarten Tomer | Sell | 52K | $15.12 |
| 2026-01-06 | Larson Barbara A | Sell | 11K | $14.82 |
| 2026-01-02 | Weingarten Tomer | Conversion | 6.3K | — |
| 2026-01-02 | Weingarten Tomer | Sell | 6.3K | $15.04 |
| 2025-12-24 | Weingarten Tomer | Gift | 150K | — |
| 2025-12-24 | Weingarten Tomer | Conversion | 150K | — |
| 2025-12-16 | PEEK MARK S | Buy | 40K | $14.89 |
| 2025-12-15 | Barrenechea Mark J | Grant | 1.8K | — |
| 2025-12-15 | TOMASELLO ROBIN | Grant | 127K | — |
| 2025-12-11 | Weingarten Tomer | Sell | 125K | $15.09 |
| 2025-12-11 | Weingarten Tomer | Conversion | 58K | — |
| 2025-12-11 | Weingarten Tomer | Conversion | 5.4K | — |
| 2025-12-09 | Barrenechea Mark J | Grant | 25K | — |
| 2025-12-09 | Barrenechea Mark J | Grant | 25K | — |
| 2025-12-08 | TOMASELLO ROBIN | Sell | 8.5K | $14.58 |
| 2025-12-08 | Weingarten Tomer | Sell | 39K | $14.58 |
| 2025-12-08 | Conder Keenan Michael | Sell | 8.3K | $14.58 |
| 2025-11-06 | Weingarten Tomer | Conversion | 58K | — |
| 2025-11-06 | Weingarten Tomer | Sell | 58K | $16.41 |
| 2025-11-06 | Weingarten Tomer | Sell | 32K | $16.56 |
| 2025-11-06 | TOMASELLO ROBIN | Sell | 3.5K | $16.56 |
| 2025-11-06 | Conder Keenan Michael | Sell | 5.9K | $16.56 |
| 2025-10-15 | Pinczuk Ana G. | Grant | 502K | — |
| 2025-10-06 | Weingarten Tomer | Conversion | 43K | — |
| 2025-10-06 | Weingarten Tomer | Sell | 58K | $18.02 |
| 2025-10-06 | Larson Barbara A | Sell | 55K | $18.13 |
| 2025-09-30 | PEEK MARK S | Gift | 6.2K | — |
| 2025-09-30 | PEEK MARK S | Gift | 6.2K | — |
| 2025-09-30 | PEEK MARK S | Gift | 6.2K | — |
| 2025-09-30 | PEEK MARK S | Gift | 6.2K | — |
| 2025-09-30 | PEEK MARK S | Gift | 25K | — |
| 2025-09-30 | PEEK MARK S | Gift | 5.5K | — |
| 2025-09-30 | PEEK MARK S | Gift | 5.5K | — |
| 2025-09-30 | PEEK MARK S | Gift | 5.5K | — |
| 2025-09-30 | PEEK MARK S | Gift | 5.5K | — |
| 2025-09-30 | PEEK MARK S | Gift | 22K | — |
| 2025-09-11 | Weingarten Tomer | Sell | 163K | $18.38 |
| 2025-09-09 | Smith Ric | Sell | 24K | $18.07 |
| 2025-09-08 | Conder Keenan Michael | Sell | 11K | $18.69 |
| 2025-09-08 | Weingarten Tomer | Sell | 39K | $18.69 |
| 2025-09-08 | TOMASELLO ROBIN | Sell | 8.5K | $18.69 |
| 2025-09-08 | Smith Ric | Sell | 25K | $18.69 |
| 2025-08-07 | Smith Ric | Sell | 14K | $16.62 |
| 2025-08-07 | Smith Ric | Sell | 1.2K | $17.39 |
| 2025-08-06 | Weingarten Tomer | Sell | 32K | $17.31 |
| 2025-08-06 | Smith Ric | Sell | 16K | $17.31 |
| 2025-08-06 | TOMASELLO ROBIN | Sell | 2.9K | $17.31 |
| 2025-08-06 | Conder Keenan Michael | Sell | 5.8K | $17.31 |
| 2025-06-25 | Pinczuk Ana G. | Grant | 13K | — |
| 2025-06-25 | Hughes Aaron | Grant | 13K | — |
| 2025-06-25 | Hughes Aaron | Grant | 3.3K | — |
| 2025-06-25 | PEEK MARK S | Grant | 4.2K | — |
| 2025-06-25 | PEEK MARK S | Grant | 13K | — |
| 2025-06-25 | Pinczuk Ana G. | Grant | 3.1K | — |
| 2025-06-25 | BEGLEY CHARLENE T | Grant | 13K | — |
| 2025-06-25 | BEGLEY CHARLENE T | Grant | 3.9K | — |
| 2025-06-25 | Scheinman Daniel | Grant | 13K | — |
| 2025-06-09 | Smith Ric | Sell | 24K | $18.30 |
| 2025-06-06 | Smith Ric | Sell | 3.0K | $18.28 |
| 2025-06-06 | Smith Ric | Sell | 25K | $18.28 |
| 2025-06-06 | TOMASELLO ROBIN | Sell | 6.0K | $18.28 |
| 2025-06-06 | Weingarten Tomer | Sell | 39K | $18.28 |
| 2025-06-06 | Conder Keenan Michael | Sell | 11K | $18.28 |
| 2025-05-06 | Conder Keenan Michael | Sell | 1.3K | $18.54 |
| 2025-05-06 | Weingarten Tomer | Sell | 10K | $18.54 |
| 2025-05-06 | Smith Ric | Sell | 3.2K | $18.54 |
| 2025-04-24 | Weingarten Tomer | Conversion | 61K | $9.74 |
| 2025-04-24 | Weingarten Tomer | Sell | 61K | $17.82 |
| 2025-04-23 | Weingarten Tomer | Sell | 61K | $17.39 |
| 2025-04-23 | Weingarten Tomer | Conversion | 61K | $9.74 |
| 2025-04-22 | Weingarten Tomer | Conversion | 61K | $9.74 |
| 2025-04-22 | Weingarten Tomer | Sell | 61K | $16.33 |
| 2025-04-15 | TOMASELLO ROBIN | Grant | 81K | — |
| 2025-04-15 | Conder Keenan Michael | Grant | 182K | — |
| 2025-04-15 | Larson Barbara A | Grant | 130K | — |
| 2025-04-15 | Smith Ric | Grant | 584K | — |
| 2025-04-15 | Weingarten Tomer | Grant | 681K | — |
| 2025-03-28 | Smith Ric | Sell | 11K | $18.78 |
| 2025-03-27 | TOMASELLO ROBIN | Sell | 1.5K | $19.77 |
| 2025-03-27 | Weingarten Tomer | Sell | 20K | $19.77 |
| 2025-03-27 | Smith Ric | Sell | 11K | $19.77 |
| 2025-03-27 | Conder Keenan Michael | Sell | 2.2K | $19.77 |
| 2025-03-27 | Larson Barbara A | Sell | 10K | $19.77 |
| 2025-03-21 | Weingarten Tomer | Conversion | 61K | $9.74 |
| 2025-03-21 | Weingarten Tomer | Option exercise | 41K | — |
| 2025-03-21 | Weingarten Tomer | Sell | 61K | $19.17 |
| 2025-03-21 | Conder Keenan Michael | Option exercise | 9.4K | — |
| 2025-03-21 | Smith Ric | Option exercise | 21K | — |
| 2025-03-21 | TOMASELLO ROBIN | Option exercise | 4.3K | — |
| 2025-03-21 | Larson Barbara A | Option exercise | 35K | — |
| 2025-03-20 | Weingarten Tomer | Conversion | 61K | $9.74 |
| 2025-03-20 | Weingarten Tomer | Sell | 61K | $19.46 |
| 2025-03-19 | Weingarten Tomer | Conversion | 61K | $9.74 |
| 2025-03-19 | Weingarten Tomer | Sell | 82K | $19.59 |
| 2025-03-18 | Smith Ric | Sell | 32K | $19.10 |
| 2025-03-06 | Smith Ric | Sell | 20K | $19.55 |
| 2025-03-06 | Weingarten Tomer | Sell | 39K | $19.55 |
| 2025-03-06 | TOMASELLO ROBIN | Sell | 6.4K | $19.55 |
| 2025-03-06 | Conder Keenan Michael | Sell | 7.0K | $19.55 |
| 2025-02-25 | Smith Ric | Sell | 100 | $21.71 |
| 2025-02-25 | Smith Ric | Sell | 14K | $20.95 |
| 2025-02-25 | Smith Ric | Conversion | 15K | $9.74 |
| 2025-02-13 | Weingarten Tomer | Sell | 61K | $24.53 |
| 2025-02-13 | Weingarten Tomer | Conversion | 61K | $9.74 |
| 2025-02-12 | Weingarten Tomer | Sell | 61K | $23.98 |
| 2025-02-12 | Weingarten Tomer | Conversion | 61K | $9.74 |
| 2025-02-11 | Weingarten Tomer | Sell | 71K | $24.22 |
| 2025-02-11 | Weingarten Tomer | Conversion | 61K | $9.74 |
| 2025-02-06 | Conder Keenan Michael | Sell | 1.0K | $23.95 |
| 2025-02-06 | Weingarten Tomer | Sell | 10K | $23.95 |
| 2025-02-06 | Smith Ric | Sell | 2.3K | $23.95 |
| 2025-01-27 | Smith Ric | Sell | 12K | $23.21 |
| 2025-01-27 | Smith Ric | Conversion | 15K | $9.74 |
| 2025-01-27 | Smith Ric | Sell | 2.4K | $23.71 |
| 2025-01-08 | Weingarten Tomer | Sell | 61K | $22.33 |
| 2025-01-08 | Weingarten Tomer | Conversion | 61K | $9.74 |
| 2025-01-07 | Weingarten Tomer | Sell | 61K | $22.52 |
| 2025-01-07 | Weingarten Tomer | Conversion | 61K | $9.74 |
| 2025-01-06 | Weingarten Tomer | Sell | 61K | $22.83 |
| 2025-01-06 | Weingarten Tomer | Conversion | 61K | $9.74 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-26 | Shareholder vote | filing ↗ |
| 2026-05-28 | Results2.05Reg FDExhibits | filing ↗ |
| 2026-03-25 | Exec/director change | filing ↗ |
| 2026-03-12 | ResultsReg FDExhibits | filing ↗ |
| 2026-03-05 | Exec/director change | filing ↗ |
| 2026-01-21 | Exec/director change | filing ↗ |
| 2026-01-14 | Other | filing ↗ |
| 2025-12-11 | Exec/director change | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-26 | 2026-06-25 | 0001583708-26-000044 ↗ |
| 8-K | 2026-05-28 | 2026-05-28 | 0001583708-26-000039 ↗ |
| 10-Q | 2026-05-28 | 2026-04-30 | 0001583708-26-000041 ↗ |
| 8-K | 2026-03-25 | 2026-03-19 | 0001583708-26-000025 ↗ |
| 10-K | 2026-03-19 | 2026-01-31 | 0001583708-26-000020 ↗ |
| 8-K | 2026-03-12 | 2026-03-12 | 0001583708-26-000014 ↗ |
| 8-K | 2026-03-05 | 2026-02-28 | 0001583708-26-000009 ↗ |
| 8-K/A | 2026-01-21 | 2025-12-04 | 0001583708-26-000006 ↗ |
| 8-K | 2026-01-14 | 2026-01-08 | 0001583708-26-000003 ↗ |
| 8-K/A | 2025-12-11 | 2025-12-04 | 0001583708-25-000164 ↗ |
| 10-Q | 2025-12-04 | 2025-10-31 | 0001583708-25-000159 ↗ |
| 8-K | 2025-12-04 | 2025-12-04 | 0001583708-25-000157 ↗ |