List of insiders holdings for Arq 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 | McIntyre Julian Alexander Director | 2026-07-06 17:32:20 | 108,261 3,191,289 | 3,299,550 | Form 4 |
| 2 | Blank Jeremy Director | 2026-07-06 17:32:34 | 128,045 2,409,805 | 2,537,850 | Form 4 |
| 3 | Alta Fundamental Advisers LLC Alta Fundamental Advisers SP LLC Director | 2024-07-03 17:34:36 | 0 2,028,963 | 2,028,963 | Form 4 |
| 4 | Rasmus Robert E. Chief Executive Officer | 2026-03-25 08:00:11 | 479,937 598,497 | 1,078,434 | Form 4 |
| 5 | DURHAM MICHAEL D President and CEO | 2015-03-05 20:07:51 | 743,663 2,750 | 746,413 | Form 4 |
| 6 | Coliseum Capital Management LLC Shackelton Christopher S Coliseum Capital LLC COLISEUM CAPITAL PARTNERS L P Coliseum Capital Partners II L.P. Gray Adam Director | 2018-02-14 17:31:25 | 634,369 0 | 634,369 | Form 13G |
| 7 | Campbell-Breeden Richard Director | 2026-07-06 17:32:14 | 136,151 404,786 | 540,937 | Form 4 |
| 8 | Wong Joseph M Chief Technology Officer | 2026-03-25 08:00:31 | 390,601 0 | 390,601 | Form 4 |
| 9 | Sampson L Heath President & CEO | 2020-03-25 18:42:10 | 373,631 0 | 373,631 | Form 4 |
| 10 | Marken Greg CEO | 2023-03-27 19:02:12 | 277,282 0 | 277,282 | Form 4 |
| 11 | EICHER CAROL S Director | 2026-07-06 17:32:40 | 198,651 0 | 198,651 | Form 4 |
| 12 | MCKINNIES MARK H SVP & CFO | 2014-08-26 17:45:38 | 186,200 0 | 186,200 | Form 4 |
| 13 | Williamson Jeremy Chief Operating Officer | 2026-03-03 17:12:25 | 185,606 0 | 185,606 | Form 4 |
| 14 | BUSTARD C JEAN Former COO | 2015-01-05 21:10:11 | 159,782 0 | 159,782 | Form 4 |
| 15 | Wells Louis Spencer Director | 2024-07-03 17:34:57 | 102,927 0 | 102,927 | Form 4 |
| 16 | Smith Claiborne Benson Gen Counsel, Corp Secretary | 2026-03-25 08:00:25 | 94,466 0 | 94,466 | Form 4 |
| 17 | SMITH JEFFREY CLARK Director | 2015-02-17 16:33:24 | 90,784 0 | 90,784 | Form 4 |
| 18 | Arq Ltd 10% Owner | 2023-03-13 06:14:09 | 83,999 0 | 83,999 | Form 13D |
| 19 | Bergman Laurie Director | 2026-07-06 17:32:26 | 76,343 0 | 76,343 | Form 4 |
| 20 | Sjostrom Sharon Chief Product Officer | 2018-03-27 17:22:21 | 66,506 0 | 66,506 | Form 4 |
| 21 | Simonton Taylor J. Director | 2022-07-06 18:04:16 | 65,821 0 | 65,821 | Form 4 |
| 22 | Fields Morgan Chief Accounting Officer | 2023-08-21 18:48:13 | 64,599 0 | 64,599 | Form 4 |
| 23 | Hansen Stacia Chief Accounting Officer | 2026-03-25 08:00:23 | 64,305 0 | 64,305 | Form 4 |
| 24 | Amrhein Christine B. Former General Counsel | 2016-08-11 18:42:10 | 25,713 30,994 | 56,707 | Form 4 |
| 25 | LAGARENNE JONATHAN R Former Executive VP | 2016-03-03 19:33:28 | 48,896 0 | 48,896 | Form 4 |
| 26 | Voncannon Jay Loring Chief Financial Officer | 2026-05-06 17:47:51 | 48,291 0 | 48,291 | Form 4 |
| 27 | Johnson Derek Director | 2017-07-05 18:45:44 | 47,000 0 | 47,000 | Form 4 |
| 28 | Pate R Carter Director | 2020-07-06 18:25:52 | 34,683 0 | 34,683 | Form 4 |
| 29 | GABBARD ALAN BRADLEY Director | 2017-12-08 17:18:51 | 34,480 0 | 34,480 | Form 4 |
| 30 | Hanson Ron SVP of Operations of ADA-ES | 2018-05-29 17:13:40 | 33,863 0 | 33,863 | Form 4 |
| 31 | SCHLAGER RICHARD J VP | 2013-11-08 14:09:45 | 29,376 0 | 29,376 | Form 4 |
| 32 | Sanders Theodore James General Counsel | 2021-11-23 17:51:18 | 28,231 0 | 28,231 | Form 4 |
| 33 | MATTISON GRAHAM O VP Investor Relations | 2016-03-03 19:14:43 | 27,388 0 | 27,388 | Form 4 |
| 34 | MARCUM W PHILLIP Former Director Director | 2016-04-15 16:41:23 | 24,448 0 | 24,448 | Form 4 |
| 35 | Miller Richard VP | 2013-11-19 18:31:08 | 21,310 0 | 21,310 | Form 4/A |
| 36 | Leen Brian Director | 2020-07-06 18:30:01 | 19,725 0 | 19,725 | Form 4 |
| 37 | Swanson Richard John Director | 2014-01-27 19:44:09 | 17,823 0 | 17,823 | Form 5 |
| 38 | Martin Cameron E. VP | 2013-11-08 13:28:21 | 15,785 0 | 15,785 | Form 4 |
| 39 | Clarke Kim B Director | 2015-07-02 19:55:49 | 9,209 0 | 9,209 | Form 4 |
| 40 | SMITH RACHEL ANN Chief Accounting Officer | 2015-01-07 20:36:53 | 3,024 0 | 3,024 | Form 4 |
| 41 | Owino Peter Oluoch Chief Accounting Officer | 2026-06-24 17:31:54 | 0 0 | 0 | Form 3 |
| 42 | Bellino Christine Chief Accounting Officer | 2020-05-18 19:10:46 | 0 0 | 0 | Form 3 |
| 43 | Lang Paul A Director | 2013-09-06 11:22:37 | 0 0 | 0 | Form 3 |