SEC Insider Transactions from Blachier Olivier.

Last updated: 2026-04-02 21:10 UTC | Total transactions: 24

Blachier Olivier, SVP and Chief Strategy Officer at Entegris Inc. ($ENTG), sold shares on the open market five times over the last year for a total of $276,446. His most recent sale occurred on February 20, 2026. These transactions rank 7,735th out of 11,678 insiders in our database, well below the average sale value of 8.6 million and 6.37 transactions per insider. Blachier Olivier made no open market purchases in this period.

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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 Blachier Olivier SVP, Chief Strategy Officer A Common Stock 6318 $0.00 35,814.9500 152,200,000 21.42% 0.00%
Feb. 20, 2026 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer S Common Stock 394 $131.49 29,496.9500 152,200,000 1.32% 0.00%
Feb. 20, 2026 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer S Common Stock 1064 $131.49 29,890.9500 152,200,000 3.44% 0.00%
Feb. 20, 2026 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer S Common Stock 206 $131.49 30,954.9500 152,200,000 0.66% 0.00%
Feb. 19, 2026 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer F Common Stock 500 $132.67 31,160.9500 152,200,000 1.58% 0.00%
Feb. 19, 2026 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer F Common Stock 884 $132.67 31,660.9500 152,200,000 2.72% 0.00%
Feb. 19, 2026 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer A Common Stock 3011 $0.00 32,544.9500 152,200,000 10.20% 0.00%
Feb. 12, 2026 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer A Common Stock 15278 $0.00 29,533.9500 152,200,000 107.17% 0.01%
Nov. 17, 2025 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer S Common Stock 488 $77.43 14,124.0600 152,300,000 3.34% 0.00%
Nov. 14, 2025 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer F Common Stock 445 $78.28 14,612.0600 152,300,000 2.96% 0.00%
May 22, 2025 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer S Common Stock 275 $72.22 14,923.3100 151,840,000 1.81% 0.00%
April 5, 2025 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer F Common Stock 229 $65.39 15,198.3100 151,840,000 1.48% 0.00%
April 1, 2025 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer A Common Stock 4524 $0.00 15,427.3100 151,840,000 41.49% 0.00%
April 1, 2025 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer A Employee Stock Option (Right to Buy) 8100 $0.00 8,100.0000 151,840,000 9999.99% 0.01%
Feb. 21, 2025 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer S Common Stock 984 $108.00 10,903.3100 151,840,000 8.28% 0.00%
Feb. 20, 2025 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer F Common Stock 500 $107.99 11,887.3100 151,840,000 4.04% 0.00%
Feb. 20, 2025 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer F Common Stock 319 $107.99 12,281.6100 151,840,000 2.53% 0.00%
Feb. 19, 2025 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer A Common Stock 1086 $0.00 12,600.6100 151,840,000 9.43% 0.00%
Nov. 15, 2024 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer F Common Stock 417 $97.67 12,016.6100 151,900,000 3.35% 0.00%
Nov. 18, 2024 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer S Common Stock 502 $97.32 11,514.6100 151,900,000 4.18% 0.00%
May 16, 2024 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer S Common Stock 1986 $133.84 12,355.7600 150,945,000 13.85% 0.00%
April 1, 2024 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer A Employee Stock Option (Right to Buy) 5372 $0.00 5,372.0000 150,945,000 9999.99% 0.00%
April 1, 2024 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer A Common Stock 3112 $0.00 14,341.7600 150,945,000 27.71% 0.00%
Feb. 16, 2024 ENTEGRIS INC $ENTG Blachier Olivier SVP, Chief Strategy Officer F Common Stock 500 $136.81 11,229.7600 150,945,000 4.26% 0.00%