Bertrand Loy is CEO & President at ENTEGRIS INC (ENTG). They have made 21 open-market trades across 2 companies since 2006, most recently 2026-08-01.
CIK 0001197452
6 open-market purchases totalling $448K since 2019, against 15 sales. Across 6 scored buys the stock is down 19.3% at ninety days, and 20.0 points behind the S&P over the same stretch.
6 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| ENTG | 227,527 | $31.6M |
| HBIO | 56,575 | $461K |
| ITT | 756 | $150K |
| BTUI | 9,701 | — |
| Total | $32.2M |
Shares reported on the most recent Form 4, priced at the 2026-08-04 close. 1 holding could not be priced and is excluded from the total.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 17% | 17% | 17% |
| Avg Move | +0.2% | -15.0% | -19.3% |
| Alpha | +1.7% | -9.0% | -20.0% |
| Scored | 6 | 6 | 6 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| ENTG | SELL · 10b5-1 | 2026-04-17 | 2026-04-20 | $144.41 | $6.4M | -5.8% | -14.9% | -10.8% |
| ENTG | SELL · 10b5-1 | 2026-04-14 | 2026-04-16 | $140.22 | $2.4M | +3.7% | -8.8% | -0.7% |
| ENTG | SELL | 2026-02-24 | 2026-02-26 | $138.25 | $15.2M | -9.6% | -16.0% | +8.2% |
| ENTG | SELL | 2026-02-02 | 2026-02-04 | $119.61 | $7.8M | +16.1% | +0.8% | +33.8% |
| ENTG | SELL · 10b5-1 | 2025-12-01 | 2025-12-03 | $76.88 | $8.8M | +4.7% | +4.3% | +47.6% |
| ENTG | SELL · 10b5-1 | 2024-07-03 | 2024-07-08 | $140.61 | $7.5M | -7.6% | -30.4% | -21.9% |
| HBIO | BUY | 2022-08-26 | 2022-08-29 | $3.41 | $32K | -5.7% | -23.6% | -32.2% |
| HBIO | BUY | 2022-08-24 | 2022-08-26 | $3.25 | $139K | -3.3% | -27.3% | -27.0% |
| HBIO | BUY | 2022-08-22 | 2022-08-24 | $3.21 | $44K | -2.8% | -20.4% | -25.0% |
| HBIO | BUY | 2022-08-18 | 2022-08-22 | $3.27 | $35K | -0.3% | -14.9% | -30.7% |
| ENTG | SELL | 2021-08-11 | 2021-08-13 | $116.63 | $5.3M | -0.3% | +6.9% | +29.1% |
| ENTG | SELL | 2021-08-09 | 2021-08-11 | $120.81 | $33.6M | -0.3% | +4.5% | +28.6% |
| ENTG | SELL | 2021-08-04 | 2021-08-06 | $125.43 | $11.7M | -9.5% | -1.3% | +20.4% |
| ENTG | SELL | 2021-04-12 | 2021-04-14 | $118.59 | $70.2M | -3.1% | -8.0% | -1.1% |
| ENTG | SELL | 2021-04-05 | 2021-04-07 | $120.67 | $72.2M | -6.0% | -4.7% | -2.1% |
| ENTG | SELL | 2020-07-31 | 2020-08-03 | $71.80 | $17.0M | -4.6% | -4.5% | +4.1% |
| ENTG | SELL | 2020-07-27 | 2020-07-28 | $69.64 | $10.6M | +0.0% | -3.4% | +10.0% |
| HBIO | BUY | 2019-11-08 | 2019-11-13 | $2.56 | $93K | +15.0% | +11.1% | +9.1% |
| HBIO | BUY | 2019-09-11 | 2019-09-13 | $3.05 | $105K | -1.6% | -15.1% | -10.1% |
| ENTG | SELL | 2018-02-21 | 2018-02-22 | $33.48 | $11.7M | +6.0% | +13.4% | +5.6% |
| ENTG | SELL · 10b5-1 | 2015-02-19 | 2015-02-23 | $13.48 | $665K | -15.6% | -1.8% | -1.8% |
| ENTG | SELL · 10b5-1 | 2013-02-20 | 2013-02-22 | $9.75 | $145K | -15.6% | -1.8% | -1.8% |
| ENTG | SELL | 2012-02-21 | 2012-02-23 | $9.32 | $725K | -15.6% | -1.8% | -1.8% |
| ENTG | SELL | 2012-02-16 | 2012-02-21 | $9.45 | $1.7M | -15.6% | -1.8% | -1.8% |
| ENTG | SELL · 10b5-1 | 2012-01-18 | 2012-01-27 | $9.20 | $756K | -15.6% | -1.8% | -1.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.