| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
President, Materials Solutions | SVP, Chief Strategy Officer | SVP Business-new Markets Dev.
1 company
Olivier Blachier is President, Materials Solutions at ENTG. Olivier Blachier's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $5.3M at current prices.
Historically, Olivier Blachier's trades have earned a middling insider score of 54/100 across 8 rated trades. Over a 12-month horizon, 50.0% of those trades were profitable, with an average 12-month return of -11.8%.
The ENTG filings lean toward selling, a net 10,174 shares.
Olivier Blachier has 23 Form 4 filings on record from October 2021 to August 2026, all as President, Materials Solutions at Entegris (ENTG), 2021–2026.
The 38 reported transactions were 12 tax withholdings, 11 open-market sales, 9 stock awards and 4 option or other derivative awards, plus smaller numbers of other types.
Counted by filing, the open-market trades come to no purchases and 9 sales worth about $1.3M.
The largest open-market sale was 2,000 shares of ENTG at an average $160.66 on August 14, 2026, about $321K.
8 of the 9 sales since April 2023 were made under a Rule 10b5-1 trading plan; the other was not.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 14, 2026 | ENTG Entegris, Inc. | President, Materials Solutions | Sale+OE10b5-1 | 2,000 | $160.66 | $321,320.00 | -5.4% | - | - | |
| May 14, 2026 | ENTG Entegris, Inc. | SVP, Chief Strategy Officer | Sale+OE | 2,000 | $140.04 | $280,080.00 | -5.4% | +15.7% | - | |
| Apr 7, 2026 | ENTG Entegris, Inc. | SVP, Chief Strategy Officer | Sell10b5-1 | 275 | $115.57 | $31,781.75 | -0.8% | +22.5% | - | |
| Feb 20, 2026 | ENTG Entegris, Inc. | SVP, Chief Strategy Officer | Sell10b5-1 | 1,664 | $131.49 | $218,799.36 | -5.3% | -2.3% | - | |
| Nov 17, 2025 | ENTG Entegris Inc | SVP, Chief Strategy Officer | Sell10b5-1 | 488 | $77.43 | $37,785.84 | -3.3% | +73.2% | - | |
| May 22, 2025 | ENTG Entegris Inc | SVP, Chief Strategy Officer | Sell10b5-1 | 275 | $72.22 | $19,860.50 | -1.8% | +8.5% | +84.9% | |
| Feb 21, 2025 | ENTG Entegris Inc | SVP, Chief Strategy Officer | Sell10b5-1 | 984 | $108.00 | $106,272.00 | -8.3% | -29.7% | +29.2% | |
| Nov 18, 2024 | ENTG Entegris Inc | SVP, Chief Strategy Officer | Sell10b5-1 | 502 | $97.32 | $48,854.64 | -4.2% | +7.9% | -26.9% | |
| May 16, 2024 | ENTG Entegris Inc | SVP, Chief Strategy Officer | Sell10b5-1 | 1,986 | $133.84 | $265,806.24 | -13.8% | -17.5% | -40.1% |