Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 3 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Oct. 15, 2004 ENTG A 9,000 · · 9,000 Direct · Acquired (price as of 2026-10-02)
April 8, 2004 ENTG M 30,000 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
April 8, 2004 ENTG M 30,000 $4.22 $126,600 47,310 Direct +173.31% Acquired 3844.8% (price as of 2026-10-02)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Oct. 15, 2004 ENTG Stock Option (Right to Buy) Common Stock (9,000) $8.37 Oct. 15, 2014 9,000 Acquired
April 8, 2004 ENTG Common Stock Common Stock (30,000) $4.22 Aug. 31, 2009 30,000 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).