Blachier Olivier — SEC Form 4 filings
SEC reporting owner CIK 1891661. 17 Form 4 filings on record with FilingPulse; latest filed 2026-08-17.
Transaction summary — filings shown
Covers all 17 filings on record, filed 2024-02-21 to 2026-08-17. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 11 legs across 9 filings — 10,174 shares, $1,330,560 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 21.
- Largest priced transaction: sale of 2,000 shares @ $160.66 ($321,320) in ENTEGRIS INC, filed 2026-08-17.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| ENTEGRIS INC (ENTG) | President, Materials Solutions | 17 | — | 11 legs · 10,174 sh · $1,330,560 | 21 |
Form 4 filings — Blachier Olivier
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-17 | 4 | ENTEGRIS INC (ENTG) | Option exercise (M): 2,000 @ $80.71 · Sale (S): 2,000 @ $160.66 · Option exercise (M): 2,000 (derivative) @ $0 | EDGAR |
| 2026-05-18 | 4 | ENTEGRIS INC (ENTG) | Option exercise (M): 2,000 @ $80.71 · Sale (S): 2,000 @ $140.04 · Option exercise (M): 2,000 (derivative) @ $0 | EDGAR |
| 2026-04-08 | 4 | ENTEGRIS INC (ENTG) | Sale (S): 275 @ $115.57 | EDGAR |
| 2026-04-06 | 4 | ENTEGRIS INC (ENTG) | Tax withholding (F): 643 @ $116.40 | EDGAR |
| 2026-04-02 | 4 | ENTEGRIS INC (ENTG) | Grant/award (A): 6,318 @ $0 | EDGAR |
| 2026-02-23 | 4 | ENTEGRIS INC (ENTG) | Grant/award (A): 3,011 @ $0 · Tax withholding (F): 884 @ $132.67 · Tax withholding (F): 500 @ $132.67 · Sale (S): 206 @ $131.49 · Sale (S): 1,064 @ $131.49 · Sale (S): 394 @ $131.49 | EDGAR |
| 2026-02-17 | 4 | ENTEGRIS INC (ENTG) | Grant/award (A): 15,278 @ $0 | EDGAR |
| 2025-11-18 | 4 | ENTEGRIS INC (ENTG) | Tax withholding (F): 445 @ $78.28 · Sale (S): 488 @ $77.43 | EDGAR |
| 2025-05-23 | 4 | ENTEGRIS INC (ENTG) | Sale (S): 275 @ $72.22 | EDGAR |
| 2025-04-08 | 4 | ENTEGRIS INC (ENTG) | Tax withholding (F): 229 @ $65.39 | EDGAR |
| 2025-04-03 | 4 | ENTEGRIS INC (ENTG) | Grant/award (A): 4,524 @ $0 · Grant/award (A): 8,100 (derivative) @ $0 | EDGAR |
| 2025-02-24 | 4 | ENTEGRIS INC (ENTG) | Tax withholding (F): 500 @ $107.99 · Sale (S): 984 @ $108 | EDGAR |
| 2025-02-21 | 4 | ENTEGRIS INC (ENTG) | Grant/award (A): 1,086 @ $0 · Tax withholding (F): 319 @ $107.99 | EDGAR |
| 2024-11-19 | 4 | ENTEGRIS INC (ENTG) | Tax withholding (F): 417 @ $97.67 · Sale (S): 502 @ $97.32 | EDGAR |
| 2024-05-17 | 4 | ENTEGRIS INC (ENTG) | Sale (S): 1,986 @ $133.84 | EDGAR |
| 2024-04-03 | 4 | ENTEGRIS INC (ENTG) | Grant/award (A): 3,112 @ $0 · Grant/award (A): 5,372 (derivative) @ $0 | EDGAR |
| 2024-02-21 | 4 | ENTEGRIS INC (ENTG) | Tax withholding (F): 500 @ $136.81 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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