List of insiders holdings for ENTEGRIS INC:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | GMT CAPITAL CORP 10% Owner | 2019-02-13 09:43:59 | 8,074,480 0 | 8,074,480 | Form 13G |
| 2 | WCB HOLDINGS LLC 10% Owner | 2007-01-18 15:44:09 | 3,598,508 0 | 3,598,508 | Form 13G |
| 3 | DAUWALTER JAMES E Director | 2008-02-04 17:01:15 | 56,175 2,987,572 | 3,043,747 | Form 4 |
| 4 | ARGOV GIDEON Pres & Chief Executive Officer | 2012-11-02 14:22:03 | 922,394 0 | 922,394 | Form 4 |
| 5 | QUERNEMOEN DANIEL R Director | 2003-12-22 12:16:11 | 708,959 0 | 708,959 | Form 4 |
| 6 | GEYER STAN Former Chairman of the Board | 2005-10-20 15:35:33 | 272,996 262,196 | 535,192 | Form 4 |
| 7 | Goodman John B Former Entegris, Inc. Sr. V.P. | 2010-12-06 15:49:02 | 208,834 151,739 | 360,573 | Form 4 |
| 8 | VILLAS JOHN D Former Employee of Entegris | 2007-07-11 17:11:10 | 347,035 0 | 347,035 | Form 4/A |
| 9 | CARNS MICHAEL P C Director | 2010-05-07 09:35:53 | 305,049 0 | 305,049 | Form 4 |
| 10 | LOY BERTRAND Executive Chair | 2026-04-06 15:58:50 | 227,527 0 | 227,527 | Form 4 |
| 11 | PANDRAUD JEAN MARC Former employee of Issuer | 2008-08-01 12:31:19 | 195,709 0 | 195,709 | Form 4 |
| 12 | Kramer Christian Sr. V.P. & CCO | 2016-02-26 15:37:56 | 116,228 0 | 116,228 | Form 4 |
| 13 | KLINGL GARY F Former Dir. of Entegris, Inc. | 2011-05-09 13:04:22 | 115,707 0 | 115,707 | Form 4 |
| 14 | Sullivan Brian F. Director | 2021-05-21 16:06:50 | 97,591 0 | 97,591 | Form 4 |
| 15 | Reeder David President & CEO | 2026-04-02 16:22:43 | 97,207 0 | 97,207 | Form 4 |
| 16 | Tison Stuart SVP & President, SCEM | 2023-02-21 16:09:00 | 85,372 0 | 85,372 | Form 4 |
| 17 | WRIGHT MICHAEL WILLIAM Chief Operating Officer | 2005-07-14 11:50:44 | 77,929 0 | 77,929 | Form 4 |
| 18 | Rice Susan G. SVP, Global Human Resources | 2026-04-06 15:56:23 | 75,971 0 | 75,971 | Form 4 |
| 19 | Murphy John J Former SVP, Human Resources | 2017-07-18 16:06:27 | 56,636 0 | 56,636 | Form 4 |
| 20 | Haris Clinton M. SVP & President, APS Division | 2026-04-06 15:57:20 | 54,961 0 | 54,961 | Form 4 |
| 21 | MCDANIEL ROGER D Director | 2014-04-30 09:40:33 | 53,729 0 | 53,729 | Form 4 |
| 22 | Woodland Daniel D. SVP & President, MS Division | 2026-04-06 15:55:50 | 53,605 0 | 53,605 | Form 4 |
| 23 | Colella Joseph SVP and General Counsel | 2026-04-06 15:58:14 | 51,713 0 | 51,713 | Form 4 |
| 24 | Burns Robert Nicholas Director | 2021-05-03 16:11:42 | 44,418 0 | 44,418 | Form 4 |
| 25 | Morris Gregory Colburn Former SVP, CCO | 2015-02-23 15:42:02 | 35,218 0 | 35,218 | Form 4 |
| 26 | Blachier Olivier SVP, Chief Strategy Officer | 2026-04-06 15:57:47 | 35,172 0 | 35,172 | Form 4 |
| 27 | Lee Sue SVP & General Counsel | 2018-05-16 16:19:27 | 29,021 0 | 29,021 | Form 4 |
| 28 | Beckman Bruce W. SVP, Finance | 2023-02-21 16:02:53 | 28,821 0 | 28,821 | Form 4 |
| 29 | Shaner William James SVP & President, AMH | 2024-12-03 16:16:16 | 25,699 0 | 25,699 | Form 4 |
| 30 | SALEKI-GERHARDT AZITA Director | 2025-04-25 13:11:08 | 24,971 0 | 24,971 | Form 4 |
| 31 | PYLE THOMAS O Director | 2007-05-11 15:23:52 | 24,167 0 | 24,167 | Form 4 |
| 32 | LEDERER JAMES P Director | 2025-12-11 11:09:06 | 20,434 0 | 20,434 | Form 4 |
| 33 | GRAVES GREGORY B EVP & CFO | 2023-02-23 16:05:14 | 19,703 0 | 19,703 | Form 4 |
| 34 | Blake Lynn Larson Vice President, Finance, CAO | 2012-02-27 13:17:45 | 19,372 0 | 19,372 | Form 4/A |
| 35 | GENTILCORE JAMES Director | 2025-04-25 13:12:08 | 18,507 0 | 18,507 | Form 4 |
| 36 | Kanouff Yvette Director | 2025-04-25 13:10:12 | 11,121 0 | 11,121 | Form 4 |
| 37 | Sauer Michael VP, Controller & CAO | 2026-04-06 15:56:44 | 10,001 0 | 10,001 | Form 4 |
| 38 | Marshall Gregory Bryan SVP, Qual, EHS & EBS | 2019-09-30 16:05:21 | 9,953 0 | 9,953 | Form 4/A |
| 39 | BERNARDS JAMES A Director | 2004-10-19 16:39:18 | 9,000 0 | 9,000 | Form 4 |
| 40 | Clark Rodney Director | 2025-06-13 15:23:18 | 8,490 0 | 8,490 | Form 4 |
| 41 | SULLIVAN DONALD M Director | 2005-02-17 17:08:48 | 6,000 0 | 6,000 | Form 4 |
| 42 | ENTEGRIS INC Director | 2025-04-25 13:09:24 | 4,104 0 | 4,104 | Form 4 |
| 43 | PUMA MARY G Director | 2025-04-25 16:58:33 | 4,104 0 | 4,104 | Form 4 |
| 44 | Richards Neil SVP, KSP Program Lead | 2025-08-27 12:55:23 | 0 0 | 0 | Form 4 |
| 45 | NELSON ROBERT A Vice Pres., Human Resources | 2003-09-24 12:52:02 | 0 0 | 0 | Form 4 |
| 46 | MCMAHON BRAD Senior VP - Human Resources | 2004-11-23 14:55:10 | 0 0 | 0 | Form 4 |
| 47 | Edwards Group Ltd Director | 2013-12-24 17:35:51 | 0 0 | 0 | Form 3 |
| 48 | WALCOTT PETER W Retired General Counsel | 2016-08-04 16:08:33 | 0 0 | 0 | Form 4 |
| 49 | LaGorga Linda Senior Advisor | 2026-03-05 14:23:06 | 0 0 | 0 | Form 4 |
| 50 | Besnard Michael SVP, Chief Commercial Officer | 2026-02-17 14:00:53 | 0 0 | 0 | Form 4 |
| 51 | BURKETT MARVIN D Director | 2017-05-26 14:50:40 | 0 0 | 0 | Form 4 |
| 52 | O'Neill James Anthony SVP, Senior Advisor | 2025-08-27 12:58:14 | 0 0 | 0 | Form 4 |
| 53 | Rucci Corey SVP, Business Development | 2023-02-02 16:11:17 | 0 0 | 0 | Form 4 |
| 54 | CHRISTMAN DANIEL W Director | 2018-05-10 16:49:09 | 0 0 | 0 | Form 4 |
| 55 | ANDERSON JAMES ROBERT Director | 2024-07-08 15:27:17 | 0 0 | 0 | Form 4 |
| 56 | BRADLEY MICHAEL A Director | 2023-04-28 16:10:37 | 0 0 | 0 | Form 4 |
| 57 | OLSON PAUL L H Director | 2023-04-28 16:11:40 | 0 0 | 0 | Form 4 |
| 58 | Edlund Todd James EVP & COO | 2022-09-06 16:20:10 | 0 0 | 0 | Form 4 |