Updated Jul 16, 2026
Blachier Olivier has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $599K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-18 | ENTG | ENTEGRIS INC | S — Open-market sale | 2.0K | $140.04 | $280K |
| 2026-05-18 | ENTG | ENTEGRIS INC | M — Option exercise | 2.0K | $80.71 | $161K |
| 2026-04-08 | ENTG | ENTEGRIS INC | S — Open-market sale [10b5-1] | 275 | $115.57 | $32K |
| 2026-04-06 | ENTG | ENTEGRIS INC | F — Tax withholding / forfeiture | 643 | $116.40 | $75K |
| 2026-04-02 | ENTG | ENTEGRIS INC | A — Grant or award | 6.3K | $0.00 | |
| 2026-02-23 | ENTG | ENTEGRIS INC | S — Open-market sale [10b5-1] | 394 | $131.49 | $52K |
| 2026-02-23 | ENTG | ENTEGRIS INC | S — Open-market sale [10b5-1] | 1.1K | $131.49 | $140K |
| 2026-02-23 | ENTG | ENTEGRIS INC | S — Open-market sale [10b5-1] | 206 | $131.49 | $27K |
| 2026-02-23 | ENTG | ENTEGRIS INC | F — Tax withholding / forfeiture [10b5-1] | 500 | $132.67 | $66K |
| 2026-02-23 | ENTG | ENTEGRIS INC | F — Tax withholding / forfeiture [10b5-1] | 884 | $132.67 | $117K |
| 2026-02-23 | ENTG | ENTEGRIS INC | A — Grant or award [10b5-1] | 3.0K | $0.00 | |
| 2026-02-17 | ENTG | ENTEGRIS INC | A — Grant or award | 15.3K | $0.00 | |
| 2025-05-22 | ENTG | ENTEGRIS INC | S — Open-market sale | 275 | $72.22 | $20K |
| 2025-04-05 | ENTG | ENTEGRIS INC | F — Tax withholding / forfeiture | 229 | $65.39 | $15K |
| 2025-04-01 | ENTG | ENTEGRIS INC | A — Grant or award | 4.5K | $0.00 | |
| 2024-11-19 | ENTG | ENTEGRIS INC | S — Open-market sale | 502 | $97.32 | $49K |
| 2024-11-19 | ENTG | ENTEGRIS INC | F — Tax withholding / forfeiture | 417 | $97.67 | $41K |
Blachier Olivier is a corporate insider — currently tracked as SVP, Chief Strategy Officer of ENTEGRIS INC (ENTG). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 7 open-market sales ($599K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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