ENTGEntegris, Inc.

Technology · Semiconductor Equipment & MaterialsNasdaqStockMkt cap $21.6B

Disclosed trades

1 in 30d · 3 in 90d

Politicians

Last trade Aug 25, 2026

Buys

$128K at range midpoints

Sells

$271K at range midpoints

Closing price · 365 days

Sep 24, 2025 – Sep 23, 2026

Monthly buys vs sells · 24 months

Counts of disclosed transactions

Buys
Sells (incl. partial)

Politicians who traded it

Politicians who traded ENTG
Politician	Seat	Trades	Buys	Sells	Bought (mid)	Sold (mid)	Last trade
DApril McClain Delaney	House · MD-06	15	10	5	$80K	$207K	Aug 25, 2026
RLisa C. McClain	House · MI-09	4	2	2	$16K	$16K	Oct 31, 2025
RMichael T. McCaul	House · TX-10	4	4	0	$32K	$0	May 26, 2026
DGilbert Ray Cisneros, Jr.	House · CA-31	2	0	2	$0	$16K	Jun 30, 2020
DJosh Gottheimer	House · NJ-05	2	0	2	$0	$16K	Aug 10, 2020
DSusie Lee	House · NV-03	2	0	2	$0	$16K	Nov 30, 2022

Recent trades

All ENTG trades

Disclosed trades
Politician	Ticker	Asset	Type	Owner	Amount	Traded	Filed	Source
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Sell	Dependent	$100,001 - $250,000	Aug 25, 2026	Sep 9, 202615d	Filing
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Buy	Dependent	$1,001 - $15,000	Jul 30, 2026	Aug 3, 20264d	Filing
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Buy	Dependent	$1,001 - $15,000	Jul 8, 2026	Aug 3, 202626d	Filing
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Buy	Dependent	$1,001 - $15,000	Jun 8, 2026	Jul 7, 202629d	Filing
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Buy	Dependent	$1,001 - $15,000	Jun 5, 2026	Jul 7, 202632d	Filing
RMichael T. McCaul	ENTG	ENTEGRIS INC	Buy	Spouse	$1,001 - $15,000	May 26, 2026	Jun 10, 202615d	FilingOCR
RMichael T. McCaul	ENTG	ENTEGRIS INC	Buy	Spouse	$1,001 - $15,000	May 22, 2026	Jun 10, 202619d	FilingOCR
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Buy	Dependent	$1,001 - $15,000	May 21, 2026	Jun 5, 202615d	Filing
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Buy	Dependent	$1,001 - $15,000	May 8, 2026	Jun 5, 202628d	Filing
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Buy	Dependent	$1,001 - $15,000	May 7, 2026	Jun 5, 202629d	Filing
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Buy	Dependent	$1,001 - $15,000	Apr 15, 2026	May 6, 202621d	Filing
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Buy	Dependent	$1,001 - $15,000	Mar 31, 2026	Apr 6, 20266d	Filing
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Partial	Dependent	$1,001 - $15,000	Feb 23, 2026	Mar 10, 202615d	Filing
RMichael T. McCaul	ENTG	ENTEGRIS INC	Buy	Spouse	$1,001 - $15,000	Feb 10, 2026	Mar 10, 202628d	FilingOCR
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Partial	Dependent	$1,001 - $15,000	Feb 9, 2026	Mar 10, 202629d	Filing
RMichael T. McCaul	ENTG	ENTEGRIS INC	Buy	Spouse	$1,001 - $15,000	Feb 4, 2026	Mar 10, 202634d	FilingOCR
RLisa C. McClain	ENTG	Entegris, Inc. - Common Stock (ENTG)	Sell	Spouse	$1,001 - $15,000	Oct 31, 2025	Nov 21, 202521d	Filing
RLisa C. McClain	ENTG	Entegris, Inc. - Common Stock (ENTG)	Buy	Spouse	$1,001 - $15,000	Oct 30, 2025	Nov 21, 202522d	Filing
RLisa C. McClain	ENTG	Entegris, Inc. - Common Stock (ENTG)	Sell	Spouse	$1,001 - $15,000	Oct 30, 2025	Nov 21, 202522d	Filing
RLisa C. McClain	ENTG	Entegris, Inc. - Common Stock (ENTG)	Buy	Spouse	$1,001 - $15,000	Aug 4, 2025	Sep 12, 202539d	Filing
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Partial	Dependent	$1,001 - $15,000	Jul 28, 2025	Aug 5, 20258d	Filing
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Partial	Dependent	$1,001 - $15,000	Jul 9, 2025	Aug 5, 202527d	Filing
DApril McClain Delaney	ENTG	Entegris, Inc. - Common Stock (ENTG)	Buy	Dependent	$1,001 - $15,000	Feb 17, 2025	Mar 20, 202531d	Filing
DSusie Lee	ENTG	Entegris, Inc. (ENTG)	Sell	Joint	$1,001 - $15,000	Nov 30, 2022	Dec 29, 202229d	Filing
DJosh Gottheimer	ENTG	Entegris, Inc. (ENTG)	Sell	Joint	$1,001 - $15,000	Aug 10, 2020	Sep 20, 202041d	Filing
DJosh Gottheimer	ENTG	Entegris, Inc. (ENTG)	Partial	Joint	$1,001 - $15,000	Jul 15, 2020	Aug 10, 202026d	Filing
DGilbert Ray Cisneros, Jr.	ENTG	Entegris, Inc. (ENTG)	Partial	Self	$1,001 - $15,000	Jun 30, 2020	Jul 17, 202017d	Filing
DSusie Lee	ENTG	Entegris, Inc. (ENTg)	Partial	Joint	$1,001 - $15,000	Apr 28, 2020	Jun 15, 202048d	Filing
DGilbert Ray Cisneros, Jr.	ENTG	Entegris, Inc. (ENTG)	Partial	Self	$1,001 - $15,000	Apr 23, 2020	May 13, 202020d	Filing

Insider activity Filed

All insider filings for ENTG

Insiders

Plastics Products, NEC

Open-market buys · 90d

$0 bought

Open-market sells · 90d

$1.3M sold

Net · 90d

-$1.3M

-$51.1M net over 12 months · last Aug 18, 2026

Insider transactions as filed on SEC Form 4
Date	Insider	Kind	Security	Shares	Price	Value	Post-holdings	D/I	10b5-1	Source
Aug 18, 2026filed Aug 19, 2026	David ReederPresident & CEO	Withholding	Common Stock	−5,386	$150.27	$809,354	91,821	D	—	4
Aug 14, 2026filed Aug 17, 2026	Olivier BlachierPresident, Materials Solutions	Exercise	Employee Stock Option (Right to Buy)deriv.	−2,000	$0.00	—	3,972	D	10b5-1	4
Aug 14, 2026filed Aug 17, 2026	Olivier BlachierPresident, Materials Solutions	Sale	Common Stock	−2,000	$160.66	$321,320	34,996.76	D	10b5-1	4
Aug 14, 2026filed Aug 17, 2026	Olivier BlachierPresident, Materials Solutions	Exercise	Common Stock	2,000	$80.71	$161,420	36,996.76	D	10b5-1	4
Aug 13, 2026filed Aug 14, 2026	Joseph ColellaSVP and General Counsel	Exercise	Employee Stock Option (Right to Buy)deriv.	−3,916	$0.00	—	0	D	—	4
Aug 13, 2026filed Aug 14, 2026	Joseph ColellaSVP and General Counsel	Sale	Common Stock	−3,916	$164.48	$644,104	50,296.89	D	—	4
Aug 13, 2026filed Aug 14, 2026	Joseph ColellaSVP and General Counsel	Exercise	Common Stock	3,916	$98.11	$384,199	54,212.89	D	—	4
Aug 11, 2026filed Aug 12, 2026	Susan G. RiceSVP, Global Human Resources	Sale	Common Stock	−2,062	$149.52	$308,310	66,976.00	D	—	4
Aug 3, 2026filed Aug 4, 2026	Robert A Bruggeworth	Award	Common Stock	1,329	$0.00	$0	1,329	D	—	4
Jun 3, 2026filed Jun 4, 2026	James P Lederer	Sale	Common Stock	−3,569	$143.59	$512,473	18,277	D	—	4

Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4. Net figures count open-market buys minus open-market sales only (awards, exercises, withholding and gifts are excluded).

Unusual activity Estimated

Whale watch

52Committee overlapAug 25, 2026
Rep. April McClain Delaney sold $100,001–$250,000 of ENTG while sitting on House Science
DApril McClain DelaneyHouse Committee on Science, Space, and TechnologyTechnologyENTG Filing
Details
Committee
House Committee on Science, Space, and Technology
Leadership seat
No
Sector
Technology
Disclosed range
$100,001 - $250,000
50Insider overlapAug 25, 2026
Rep. April McClain Delaney sold ENTG 11 days after its President sold $321K
DApril McClain DelaneyOlivier BlachierENTG Filing 4
Details
Politician
April McClain Delaney
Ticker
ENTG
Asset
Entegris, Inc. - Common Stock (ENTG)
Tx type
sell
Tx date
Aug 25, 2026
Filing date
Sep 9, 2026
Amount low
$100K
Amount high
$250K
Amount mid
$175K
Disclosed range
$100,001 - $250,000
Reporting lag days
15
Is whale
No
Insider trade
{"insider":{"slug":"olivier-blachier","name":"Olivier Blachier","title":"President, Materials Solutions","short_title":"President"},"company":"ENTEGRIS INC","ticker":"ENTG","tx_kind":"open_market_sale","tx_date":"2026-08-14","shares":2000,"price":160.66,"value":321320,"is_10b5_1":true}
Days between
11
Opposite side
No
65Insider overlapJul 30, 2026
Rep. April McClain Delaney bought ENTG 15 days before its President sold $321K
DApril McClain DelaneyOlivier BlachierENTG Filing 4
Details
Politician
April McClain Delaney
Ticker
ENTG
Asset
Entegris, Inc. - Common Stock (ENTG)
Tx type
buy
Tx date
Jul 30, 2026
Filing date
Aug 3, 2026
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
4
Is whale
No
Insider trade
{"insider":{"slug":"olivier-blachier","name":"Olivier Blachier","title":"President, Materials Solutions","short_title":"President"},"company":"ENTEGRIS INC","ticker":"ENTG","tx_kind":"open_market_sale","tx_date":"2026-08-14","shares":2000,"price":160.66,"value":321320,"is_10b5_1":true}
Days between
-15
Opposite side
Yes
45Well timedJul 30, 2026
Rep. April McClain Delaney's ENTG buy is up 20% after 30 days
DApril McClain DelaneyENTG Filing
Details
Politician
April McClain Delaney
Ticker
ENTG
Asset
Entegris, Inc. - Common Stock (ENTG)
Tx type
buy
Tx date
Jul 30, 2026
Filing date
Aug 3, 2026
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
4
Is whale
No
Entry date
Jul 30, 2026
Entry close
117.11
Exit date
Sep 11, 2026
Exit close
140.37
Forward return
+19.9%
Sign adjusted return
+19.9%
N trading days
30
65Insider overlapJun 8, 2026
Rep. April McClain Delaney bought ENTG 25 days after its President sold $280K
DApril McClain DelaneyOlivier BlachierENTG Filing 4
Details
Politician
April McClain Delaney
Ticker
ENTG
Asset
Entegris, Inc. - Common Stock (ENTG)
Tx type
buy
Tx date
Jun 8, 2026
Filing date
Jul 7, 2026
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
29
Is whale
No
Insider trade
{"insider":{"slug":"olivier-blachier","name":"Olivier Blachier","title":"President, Materials Solutions","short_title":"President"},"company":"ENTEGRIS INC","ticker":"ENTG","tx_kind":"open_market_sale","tx_date":"2026-05-14","shares":2000,"price":140.04,"value":280080,"is_10b5_1":false}
Days between
25
Opposite side
Yes
65Insider overlapJun 5, 2026
Rep. April McClain Delaney bought ENTG 22 days after its President sold $280K
DApril McClain DelaneyOlivier BlachierENTG Filing 4
Details
Politician
April McClain Delaney
Ticker
ENTG
Asset
Entegris, Inc. - Common Stock (ENTG)
Tx type
buy
Tx date
Jun 5, 2026
Filing date
Jul 7, 2026
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
32
Is whale
No
Insider trade
{"insider":{"slug":"olivier-blachier","name":"Olivier Blachier","title":"President, Materials Solutions","short_title":"President"},"company":"ENTEGRIS INC","ticker":"ENTG","tx_kind":"open_market_sale","tx_date":"2026-05-14","shares":2000,"price":140.04,"value":280080,"is_10b5_1":false}
Days between
22
Opposite side
Yes
65Insider overlapMay 26, 2026
Rep. Michael T. McCaul bought ENTG 12 days after its President sold $280K
RMichael T. McCaulOlivier BlachierENTG FilingOCR 4
Details
Politician
Michael T. McCaul
Ticker
ENTG
Asset
ENTEGRIS INC
Tx type
buy
Tx date
May 26, 2026
Filing date
Jun 10, 2026
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
15
Is whale
No
Insider trade
{"insider":{"slug":"olivier-blachier","name":"Olivier Blachier","title":"President, Materials Solutions","short_title":"President"},"company":"ENTEGRIS INC","ticker":"ENTG","tx_kind":"open_market_sale","tx_date":"2026-05-14","shares":2000,"price":140.04,"value":280080,"is_10b5_1":false}
Days between
12
Opposite side
Yes
65Insider overlapMay 22, 2026
Rep. Michael T. McCaul bought ENTG 8 days after its President sold $280K
RMichael T. McCaulOlivier BlachierENTG FilingOCR 4
Details
Politician
Michael T. McCaul
Ticker
ENTG
Asset
ENTEGRIS INC
Tx type
buy
Tx date
May 22, 2026
Filing date
Jun 10, 2026
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
19
Is whale
No
Insider trade
{"insider":{"slug":"olivier-blachier","name":"Olivier Blachier","title":"President, Materials Solutions","short_title":"President"},"company":"ENTEGRIS INC","ticker":"ENTG","tx_kind":"open_market_sale","tx_date":"2026-05-14","shares":2000,"price":140.04,"value":280080,"is_10b5_1":false}
Days between
8
Opposite side
Yes
65Insider overlapMay 21, 2026
Rep. April McClain Delaney bought ENTG 7 days after its President sold $280K
DApril McClain DelaneyOlivier BlachierENTG Filing 4
Details
Politician
April McClain Delaney
Ticker
ENTG
Asset
Entegris, Inc. - Common Stock (ENTG)
Tx type
buy
Tx date
May 21, 2026
Filing date
Jun 5, 2026
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
15
Is whale
No
Insider trade
{"insider":{"slug":"olivier-blachier","name":"Olivier Blachier","title":"President, Materials Solutions","short_title":"President"},"company":"ENTEGRIS INC","ticker":"ENTG","tx_kind":"open_market_sale","tx_date":"2026-05-14","shares":2000,"price":140.04,"value":280080,"is_10b5_1":false}
Days between
7
Opposite side
Yes
65Insider overlapMay 8, 2026
Rep. April McClain Delaney bought ENTG 6 days before its President sold $280K
DApril McClain DelaneyOlivier BlachierENTG Filing 4
Details
Politician
April McClain Delaney
Ticker
ENTG
Asset
Entegris, Inc. - Common Stock (ENTG)
Tx type
buy
Tx date
May 8, 2026
Filing date
Jun 5, 2026
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
28
Is whale
No
Insider trade
{"insider":{"slug":"olivier-blachier","name":"Olivier Blachier","title":"President, Materials Solutions","short_title":"President"},"company":"ENTEGRIS INC","ticker":"ENTG","tx_kind":"open_market_sale","tx_date":"2026-05-14","shares":2000,"price":140.04,"value":280080,"is_10b5_1":false}
Days between
-6
Opposite side
Yes