List of insiders holdings for ACACIA RESEARCH CORP:
- 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 | Starboard Principal Co LP Starboard Principal Co GP LLC Feld Peter A Smith Jeffrey C See Footnote 2 10% Owner | 2025-05-16 21:30:38 | 0 68,213,933 | 68,213,933 | Form 4 |
| 2 | Starboard Value LP STARBOARD VALUE & OPPORTUNITY MASTER FUND LTD STARBOARD VALUE & OPPORTUNITY S LLC Starboard Value & Opportunity C LP Starboard Value & Opportunity Master Fund L LP Starboard X Master Fund Ltd Starboard Value R LP Starboard Value L LP Starboard Value GP LLC Starboard Value R GP LLC See Footnote 2 10% Owner | 2025-05-16 21:30:12 | 0 68,213,933 | 68,213,933 | Form 4 |
| 3 | MARXE AUSTIN W & GREENHOUSE DAVID M 10% Owner | 2007-02-21 16:52:19 | 0 6,600,000 | 6,600,000 | Form 3/A |
| 4 | BERMAN ROBERT ANDREW COO, Gen'l Counsel, Secretary | 2007-02-09 18:53:37 | 1,639,746 0 | 1,639,746 | Form 4 |
| 5 | KUMAR AMIT Pres/CEO of CombiMatrix Corp. | 2007-05-08 20:00:08 | 703,614 0 | 703,614 | Form 4 |
| 6 | Tobia Alfred Victor Jr. President & CIO | 2020-12-17 19:23:34 | 588,462 0 | 588,462 | Form 4/A |
| 7 | Key Marvin E Interim Chief Executive Office | 2016-08-03 17:45:18 | 484,328 0 | 484,328 | Form 4 |
| 8 | RYAN PAUL R CEO | 2013-08-02 17:56:01 | 430,891 0 | 430,891 | Form 4 |
| 9 | HARRIS ROBERT L II Executive Chairman | 2015-12-03 12:09:10 | 379,609 0 | 379,609 | Form 4 |
| 10 | Booth Marc W. Chief IP Officer | 2023-06-21 16:09:49 | 334,907 0 | 334,907 | Form 4 |
| 11 | OCONNELL MAUREEN Director | 2025-06-03 16:19:42 | 272,603 0 | 272,603 | Form 4 |
| 12 | Press Clifford Chief Executive Officer | 2022-09-08 16:09:36 | 268,836 0 | 268,836 | Form 4 |
| 13 | Vella Matthew CEO & President | 2015-05-22 14:43:13 | 245,884 0 | 245,884 | Form 4 |
| 14 | Golby Lawrence Wesley Chief Investment Officer | 2022-08-03 18:34:44 | 230,035 0 | 230,035 | Form 4 |
| 15 | Wolanyk Katharine Director | 2023-05-31 17:17:07 | 192,310 0 | 192,310 | Form 4 |
| 16 | Soncini Jason W. General Counsel | 2026-03-24 17:03:32 | 191,551 0 | 191,551 | Form 4 |
| 17 | Sagal Jonathan Director | 2023-05-31 17:30:12 | 189,227 0 | 189,227 | Form 4 |
| 18 | Rosenstein Richard Jay Chief Financial Officer | 2022-06-07 18:17:13 | 176,074 0 | 176,074 | Form 4 |
| 19 | Molinelli Gavin Director | 2026-01-05 16:01:49 | 168,239 0 | 168,239 | Form 4 |
| 20 | McNulty Martin D. Jr. Chief Executive Officer | 2026-03-12 19:30:14 | 166,403 0 | 166,403 | Form 4 |
| 21 | HAYNES CLAYTON J CFO | 2018-08-21 13:21:09 | 138,548 0 | 138,548 | Form 4 |
| 22 | Walsh Frank E. III Director | 2018-01-04 16:53:23 | 100,000 0 | 100,000 | Form 4 |
| 23 | Sundar Ajay Director | 2026-01-05 16:03:14 | 99,272 0 | 99,272 | Form 4 |
| 24 | Treska Edward Joseph EVP, General Counsel & Sec | 2018-08-21 13:23:47 | 90,294 0 | 90,294 | Form 4 |
| 25 | RIBAR GEOFFREY G Director | 2025-06-03 16:21:00 | 85,827 0 | 85,827 | Form 4 |
| 26 | Kohlberg Isaac T. Director | 2025-06-13 18:10:28 | 85,446 0 | 85,446 | Form 4 |
| 27 | Hoover Kirsten Interim CFO | 2025-06-11 16:24:33 | 84,677 0 | 84,677 | Form 4 |
| 28 | Simmons Meredith A. General Counsel | 2021-11-09 20:30:56 | 80,000 0 | 80,000 | Form 4/A |
| 29 | Lee Dooyong Executive Vice President | 2012-12-10 17:47:47 | 69,467 0 | 69,467 | Form 4 |
| 30 | Anderson William S. Director | 2017-03-17 18:12:18 | 54,299 0 | 54,299 | Form 4 |
| 31 | DEBOOM FRED A Director | 2017-03-17 18:13:45 | 54,299 0 | 54,299 | Form 4 |
| 32 | FRYKMAN EDWARD W Director | 2017-03-17 18:15:27 | 54,299 0 | 54,299 | Form 4 |
| 33 | Stewart Robert B Jr President | 2018-09-10 17:45:14 | 52,500 0 | 52,500 | Form 4 |
| 34 | SANDERS JAMES F Director | 2018-01-04 16:34:38 | 50,000 0 | 50,000 | Form 4 |
| 35 | Rinaldini Luis E. Director | 2019-08-01 16:48:07 | 49,888 0 | 49,888 | Form 4 |
| 36 | CURRIE F RIDGON Director | 2007-03-22 17:44:55 | 45,000 0 | 45,000 | Form 4 |
| 37 | Rasamny Robert Chief Administrative Officer | 2025-06-11 16:26:14 | 42,081 0 | 42,081 | Form 4 |
| 38 | BRADLEY C ALLEN JR Director | 2019-05-13 17:28:30 | 38,462 0 | 38,462 | Form 4 |
| 39 | FELMAN MICHELLE Director | 2025-08-11 17:09:55 | 32,172 0 | 32,172 | Form 4 |
| 40 | Zambito Michael SIKORYAK Chief Financial Officer | 2025-08-13 16:12:00 | 7,700 0 | 7,700 | Form 4 |
| 41 | Falzone Paul Director | 2018-07-03 15:59:02 | 0 0 | 0 | Form 3 |
| 42 | AKIN THOMAS B Director | 2007-05-14 17:00:22 | 0 0 | 0 | Form 13G |
| 43 | Davis Joseph E. Director | 2018-07-03 15:54:54 | 0 0 | 0 | Form 3 |
| 44 | GRAZIADIO G LOUIS III Director | 2018-10-26 14:23:56 | 0 0 | 0 | Form 4 |