ENTG

ENTEGRIS INC

Latest Form 4:Sale$321KbyBlachier Olivier (President, Materials Solutions) · filed Aug 17, 2026

ENTEGRIS INC (ENTG) has 58 SEC Form 4 filings (114 transaction rows) in the rolling window, disclosed by 8 distinct insiders. Most recent filing: Aug 19, 2026.

The most active filer is Executive Chair LOY BERTRAND with 6 filings. Insiders have net sold $33.6M over the trailing 6 months.

  • Industry:Semiconductors
  • CEO:David W. Reeder
  • Employees:8,200
  • HQ:Billerica, MA, US
  • IPO:2000-07-11

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$51.1M

reported sales (SEC code S)

Unique Insiders

8

in the rolling window

Market Cap

$20.6B

latest known value

Source
Blachier OlivierFirst in 3 months
Sale$321KAug 17SEC ↗
Sale$644KAug 14SEC ↗
Sale$308KAug 12SEC ↗
LEDERER JAMES PFirst in 3 months
Sale$512KJun 4SEC ↗
Sale$1.0MMay 28SEC ↗
Sale$887KMay 18SEC ↗
Rice Susan G.First filing
Sale$2.6MMay 18SEC ↗
Sale$280KMay 18SEC ↗
Haris Clinton M.First in 4 months
Sale$843KMay 18SEC ↗
Sale$6.4MApr 20SEC ↗
Sale$2.4MApr 16SEC ↗
Sale$184KApr 8SEC ↗
Sale$32KApr 8SEC ↗
Sale$8.3MFeb 26SEC ↗
Sale$6.9MFeb 26SEC ↗
LaGorga LindaFirst filing
Sale$1.5MFeb 23SEC ↗
Blachier OlivierFirst in 3 months
Sale$219KFeb 23SEC ↗
Colella JosephFirst in 4 months
Sale$208KFeb 23SEC ↗
Woodland Daniel D.First filing
Sale$4.0MFeb 17SEC ↗
Sale$7.8MFeb 4SEC ↗
Haris Clinton M.First filing
Sale$700KJan 22SEC ↗
LEDERER JAMES PFirst filing
Sale$186KDec 11SEC ↗
LOY BERTRANDFirst filing
Sale$4.4MDec 3SEC ↗
Blachier OlivierFirst filing
Sale$38KNov 18SEC ↗
Colella JosephFirst filing
Sale$316KNov 7SEC ↗

Congress trading ENTG

See timeline →
  • DRep. April DelaneyPurchase$1,001 - $15,0002026-07-30
  • DRep. April DelaneyPurchase$1,001 - $15,0002026-07-08
  • DRep. April DelaneyPurchase$1,001 - $15,0002026-06-05
  • DRep. April DelaneyPurchase$1,001 - $15,0002026-06-08
  • DRep. April DelaneyPurchase$1,001 - $15,0002026-04-15

STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.

Related companies

ENTEGRIS INC is in the Manufacturing sector.