Blachier Olivier
President, Materials Solutions
Blachier Olivier has filed 8 SEC Form 4 filings (16 transaction rows) across 1 company, with disclosures dating back to 2025. 8 of those filings fall inside the rolling window. Most recent filing: Aug 17, 2026.
On the most recent filing, Blachier Olivier is listed as President, Materials Solutions at ENTEGRIS INC. Inside the rolling window, Blachier Olivier reported no open-market purchases and 5 open-market sales totaling $890K in ENTG. The largest disclosed transaction in the window is a sale of 2,000 ENTG shares on Aug 14, 2026, worth $321K.
Companies traded
Other insiders at ENTG
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$890K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Blachier Olivier made?
Blachier Olivier has filed 8 SEC Form 4 filings (16 transaction rows) across 1 company since 2025.
Which companies does Blachier Olivier trade?
Blachier Olivier has filed SEC Form 4 disclosures for 1 company, including ENTG.
When was Blachier Olivier's most recent SEC Form 4 filing?
Blachier Olivier's most recent SEC Form 4 filing on Tracefour is dated Aug 17, 2026.
What is Blachier Olivier's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Blachier Olivier is listed as President, Materials Solutions.
What is Blachier Olivier's total buy and sell value in the current window?
Inside the rolling retention window, Blachier Olivier bought $0 and sold $890K based on SEC Form 4 filings.
What was Blachier Olivier's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 2,000 ENTG shares on 2026-08-14, worth $321K, per SEC Form 4 filings.