TOP TIERMARKET NEWSWIRE
Movers explained · September 24, 2026

Why Is ENTEGRIS INC (ENTG) Stock Moving Today?

By the Top Tier Newswire AI Desk · September 1, 2026 at 10:12 AM ET · reviewed against 0 wire stories

ENTEGRIS INC (ENTG) is drawing unusual attention today.

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ENTG stock is down 5.77% at $127.49 as of the latest trade, marking a sharp intraday decline following a -3.1% gap down open. The move appears to be driven by a combination of selling pressure from insiders and a broader market environment that has pressured growth-oriented names. The stock is currently trading near the lower end of its 52-week range, which spans $67.97 to $186.94.

What Happened

The stock opened at $131.16, down from the prior close of $135.29, and quickly moved lower throughout the morning session. The price hit a low of $127.40 at 10:10 AM ET before stabilizing. Trading volume of 0.2 million shares has been light compared to the 3-month average. Recent insider activity has included multiple sales by executives, including Olivier Blachier, Joseph Colella, and Susan G. Rice, over the past three trading days. These transactions totaled $1.8 million in reported sales according to SEC filings. Meanwhile, a congressional trade report shows April McClain Delaney (D, house) made two recent purchases of ENTG stock between $1,001 and $15,000.

What The Data Shows

The stock has been volatile over the past 52 weeks, with 14 fresh 52-week lows reported on September 1. The company has a market cap of $20.6 billion, a P/E ratio of 67.6, and revenue growth of 3.2% in the trailing twelve months. The stock is currently trading at a beta of 1.35, indicating higher volatility than the broader market. The dividend yield is 0.30%, and the next ex-dividend date is scheduled for July 29, 2026.

What To Watch

Investors should monitor the next scheduled earnings report, if any, as well as continued insider activity and broader market sentiment. The recent coverage breadth remains limited, with only one story from one source in the last 36 hours.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.

ENTG by the numbers

Mkt cap: $20.6BP/E: 67.652w: $67.97 to $186.94
ENTG · Sep 1 session (5-min) · -4.27% vs prior close · updated 8:58 PM ET
$126$131$136prev close $135.29$129.519:30 AM11:22 AM1:15 PM3:07 PM5:00 PM9:30 AM · $131.909:35 AM · $130.599:40 AM · $129.769:45 AM · $129.109:50 AM · $129.189:55 AM · $128.0910:00 AM · $127.8810:05 AM · $127.8610:10 AM · $127.4210:15 AM · $127.0010:20 AM · $126.7110:25 AM · $126.8710:30 AM · $127.2710:35 AM · $127.1610:40 AM · $127.0410:45 AM · $127.1910:50 AM · $127.7210:55 AM · $128.1911:00 AM · $128.5111:05 AM · $128.1911:10 AM · $128.0911:15 AM · $127.8611:20 AM · $128.2811:25 AM · $128.7211:30 AM · $129.0811:35 AM · $129.4011:40 AM · $129.8311:45 AM · $130.0511:50 AM · $130.3711:55 AM · $129.9412:00 PM · $129.6612:05 PM · $129.7812:10 PM · $129.7212:15 PM · $129.2612:20 PM · $128.5312:25 PM · $128.4112:30 PM · $127.9112:35 PM · $128.1612:40 PM · $128.4412:45 PM · $128.6612:50 PM · $128.9912:55 PM · $128.821:00 PM · $128.511:05 PM · $128.441:10 PM · $128.351:15 PM · $127.901:20 PM · $128.031:25 PM · $128.161:30 PM · $128.301:35 PM · $128.451:40 PM · $128.611:45 PM · $128.591:50 PM · $128.701:55 PM · $128.462:00 PM · $128.332:05 PM · $128.322:10 PM · $128.132:15 PM · $128.212:20 PM · $128.252:25 PM · $128.072:30 PM · $127.792:35 PM · $127.782:40 PM · $127.512:45 PM · $127.492:50 PM · $127.732:55 PM · $128.253:00 PM · $128.383:05 PM · $128.953:10 PM · $128.863:15 PM · $128.563:20 PM · $128.743:25 PM · $128.833:30 PM · $129.253:35 PM · $128.853:40 PM · $129.333:45 PM · $129.493:50 PM · $129.773:55 PM · $129.554:00 PM · $129.514:05 PM · $129.514:30 PM · $129.515:00 PM · $129.51

The headlines behind the move

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More on ENTG: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier ENTG move explainers: 2026-09-01