Loy Bertrand, Executive Chair of Entegris Inc. ($ENTG), sold shares on the open market 16 times over the past year, totaling $27.4 million. His most recent sale occurred on February 25, 2026. These sales rank him 515th among 11,678 insiders in our database by total value sold, above the average of $8.6 million across 6.4 transactions per insider. Bertrand made no open market purchases in the last 365 days.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | A | Common Stock | 19628 | $0.00 | 237,395.0000 | 152,200,000 | 9.01% | 0.01% |
| Feb. 25, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 3800 | $138.57 | 217,767.0000 | 152,200,000 | 1.72% | 0.00% |
| Feb. 24, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 2067 | $139.14 | 268,089.0000 | 152,200,000 | 0.77% | 0.00% |
| Feb. 24, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 47611 | $138.57 | 270,156.0000 | 152,200,000 | 14.98% | 0.03% |
| Feb. 24, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 100 | $142.19 | 317,767.0000 | 152,200,000 | 0.03% | 0.00% |
| Feb. 24, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 2783 | $141.45 | 317,867.0000 | 152,200,000 | 0.87% | 0.00% |
| Feb. 24, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 6955 | $140.49 | 320,650.0000 | 152,200,000 | 2.12% | 0.00% |
| Feb. 24, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | M | Common Stock | 9838 | $98.11 | 327,605.0000 | 152,200,000 | 3.10% | 0.01% |
| Feb. 24, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | M | Employee Stock Option (Right to Buy) | 9838 | $0.00 | 61,534.0000 | 152,200,000 | 13.78% | 0.01% |
| Feb. 25, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 46522 | $137.32 | 221,567.0000 | 152,200,000 | 17.35% | 0.03% |
| Feb. 19, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | F | Common Stock | 8130 | $132.67 | 317,767.0000 | 152,200,000 | 2.49% | 0.01% |
| Feb. 19, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | A | Common Stock | 34624 | $0.00 | 341,046.0000 | 152,200,000 | 11.30% | 0.02% |
| Feb. 19, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | F | Common Stock | 15149 | $132.67 | 325,897.0000 | 152,200,000 | 4.44% | 0.01% |
| Feb. 2, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 2412 | $117.19 | 369,060.0000 | 152,200,000 | 0.65% | 0.00% |
| Feb. 2, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | M | Employee Stock Option (Right to Buy) | 65250 | $0.00 | 0.0000 | 152,200,000 | 100.00% | 0.04% |
| Feb. 2, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 2400 | $120.91 | 306,422.0000 | 152,200,000 | 0.78% | 0.00% |
| Feb. 2, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 34522 | $120.25 | 308,822.0000 | 152,200,000 | 10.05% | 0.02% |
| Feb. 2, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 9292 | $118.43 | 359,768.0000 | 152,200,000 | 2.52% | 0.01% |
| Feb. 2, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 16424 | $119.13 | 343,344.0000 | 152,200,000 | 4.57% | 0.01% |
| Feb. 2, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | M | Common Stock | 65250 | $55.72 | 371,672.0000 | 152,200,000 | 21.29% | 0.04% |
| Feb. 2, 2026 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 200 | $115.96 | 371,472.0000 | 152,200,000 | 0.05% | 0.00% |
| Dec. 1, 2025 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | M | Employee Stock Option (Right to Buy) | 57570 | $0.00 | 0.0000 | 152,300,000 | 100.00% | 0.04% |
| Dec. 1, 2025 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | M | Common Stock | 57570 | $33.33 | 363,390.0000 | 152,300,000 | 18.82% | 0.04% |
| Dec. 1, 2025 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 16360 | $76.34 | 347,030.0000 | 152,300,000 | 4.50% | 0.01% |
| Dec. 1, 2025 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 40865 | $77.09 | 306,165.0000 | 152,300,000 | 11.78% | 0.03% |
| Dec. 1, 2025 | ENTEGRIS INC | $ENTG | LOY BERTRAND | Executive Chair | S | Common Stock | 345 | $77.65 | 305,820.0000 | 152,300,000 | 0.11% | 0.00% |
| April 5, 2025 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | F | Common Stock | 4619 | $65.39 | 305,820.0000 | 151,840,000 | 1.49% | 0.00% |
| April 1, 2025 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | A | Common Stock | 54060 | $0.00 | 310,439.0000 | 151,840,000 | 21.09% | 0.04% |
| April 1, 2025 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | A | Employee Stock Option (Right to Buy) | 96812 | $0.00 | 96,812.0000 | 151,840,000 | 9999.99% | 0.06% |
| Feb. 20, 2025 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | F | Common Stock | 12932 | $107.99 | 256,680.0000 | 151,840,000 | 4.80% | 0.01% |
| Feb. 19, 2025 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | A | Common Stock | 12671 | $0.00 | 275,739.0000 | 151,840,000 | 4.82% | 0.01% |
| Feb. 20, 2025 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | F | Common Stock | 6127 | $107.99 | 269,612.0000 | 151,840,000 | 2.22% | 0.00% |
| July 3, 2024 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | S | Common Stock | 500 | $142.12 | 263,068.0000 | 150,945,000 | 0.19% | 0.00% |
| July 3, 2024 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | S | Common Stock | 19509 | $140.29 | 270,603.0000 | 150,945,000 | 6.72% | 0.01% |
| July 3, 2024 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | S | Common Stock | 7035 | $141.46 | 263,568.0000 | 150,945,000 | 2.60% | 0.00% |
| July 3, 2024 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | M | Common Stock | 27044 | $31.10 | 290,112.0000 | 150,945,000 | 10.28% | 0.02% |
| July 3, 2024 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | M | Employee Stock Option (Right to Buy) | 27044 | $0.00 | 0.0000 | 150,945,000 | 100.00% | 0.02% |
| May 21, 2024 | HARVARD BIOSCIENCE INC | $HBIO | LOY BERTRAND | Director | A | Common Stock | 56575 | $0.00 | 556,208.0000 | 43,394,509 | 11.32% | 0.13% |
| April 1, 2024 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | A | Common Stock | 38208 | $0.00 | 263,068.0000 | 150,945,000 | 16.99% | 0.03% |
| April 1, 2024 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | A | Employee Stock Option (Right to Buy) | 65880 | $0.00 | 65,880.0000 | 150,945,000 | 9999.99% | 0.04% |
| Feb. 16, 2024 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | F | Common Stock | 15756 | $136.81 | 213,433.0000 | 150,945,000 | 6.87% | 0.01% |
| Feb. 20, 2024 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | A | Common Stock | 20534 | $0.00 | 233,967.0000 | 150,945,000 | 9.62% | 0.01% |
| Feb. 20, 2024 | ENTEGRIS INC | $ENTG | LOY BERTRAND | President & CEO | F | Common Stock | 9107 | $136.81 | 224,860.0000 | 150,945,000 | 3.89% | 0.01% |
| May 22, 2023 | HARVARD BIOSCIENCE INC | $HBIO | LOY BERTRAND | Director | A | Common Stock | 31516 | $0.00 | 499,633.0000 | 0 | 6.73% | 0.00% |