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 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 |
| 2 | 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 |
| 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 | AKIN THOMAS B Director |
2007-05-14 17:00:22 | 5,422,647 0 |
5,422,647 | Form 13G |
| 5 | BERMAN ROBERT ANDREW COO, Gen'l Counsel, Secretary |
2007-02-09 18:53:37 | 1,639,746 0 |
1,639,746 | Form 4 |
| 6 | KUMAR AMIT Pres/CEO of CombiMatrix Corp. |
2007-05-08 20:00:08 | 703,614 0 |
703,614 | Form 4 |
| 7 | Tobia Alfred Victor Jr. President & CIO |
2020-12-17 19:23:34 | 588,462 0 |
588,462 | Form 4/A |
| 8 | Key Marvin E Interim Chief Executive Office |
2016-08-03 17:45:18 | 484,328 0 |
484,328 | Form 4 |
| 9 | RYAN PAUL R CEO |
2013-08-02 17:56:01 | 430,891 0 |
430,891 | Form 4 |
| 10 | HARRIS ROBERT L II Executive Chairman |
2015-12-03 12:09:10 | 379,609 0 |
379,609 | Form 4 |
| 11 | Booth Marc W. Chief IP Officer |
2023-06-21 16:09:49 | 334,907 0 |
334,907 | Form 4 |
| 12 | OCONNELL MAUREEN Director |
2025-06-03 16:19:42 | 272,603 0 |
272,603 | Form 4 |
| 13 | Press Clifford Chief Executive Officer |
2022-09-08 16:09:36 | 268,836 0 |
268,836 | Form 4 |
| 14 | Vella Matthew CEO & President |
2015-05-22 14:43:13 | 245,884 0 |
245,884 | Form 4 |
| 15 | Golby Lawrence Wesley Chief Investment Officer |
2022-08-03 18:34:44 | 230,035 0 |
230,035 | Form 4 |
| 16 | Soncini Jason W. General Counsel |
2025-06-11 16:27:21 | 197,698 0 |
197,698 | Form 4 |
| 17 | Wolanyk Katharine Director |
2023-05-31 17:17:07 | 192,310 0 |
192,310 | Form 4 |
| 18 | Sagal Jonathan Director |
2023-05-31 17:30:12 | 189,227 0 |
189,227 | Form 4 |
| 19 | Rosenstein Richard Jay Chief Financial Officer |
2022-06-07 18:17:13 | 176,074 0 |
176,074 | Form 4 |
| 20 | McNulty Martin D. Jr. Chief Executive Officer |
2025-06-11 16:25:26 | 174,610 0 |
174,610 | Form 4 |
| 21 | Molinelli Gavin Director |
2025-06-03 16:26:14 | 142,607 0 |
142,607 | Form 4 |
| 22 | HAYNES CLAYTON J CFO |
2018-08-21 13:21:09 | 138,548 0 |
138,548 | Form 4 |
| 23 | Walsh Frank E. III Director |
2018-01-04 16:53:23 | 100,000 0 |
100,000 | 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 | Sundar Ajay Director |
2025-06-03 16:27:29 | 82,183 0 |
82,183 | Form 4 |
| 29 | Simmons Meredith A. General Counsel |
2021-11-09 20:30:56 | 80,000 0 |
80,000 | Form 4/A |
| 30 | Lee Dooyong Executive Vice President |
2012-12-10 17:47:47 | 69,467 0 |
69,467 | Form 4 |
| 31 | FELMAN MICHELLE Director |
2025-06-03 16:19:03 | 55,293 0 |
55,293 | Form 4 |
| 32 | DEBOOM FRED A Director |
2017-03-17 18:13:45 | 54,299 0 |
54,299 | Form 4 |
| 33 | FRYKMAN EDWARD W Director |
2017-03-17 18:15:27 | 54,299 0 |
54,299 | Form 4 |
| 34 | Anderson William S. Director |
2017-03-17 18:12:18 | 54,299 0 |
54,299 | Form 4 |
| 35 | Stewart Robert B Jr President |
2018-09-10 17:45:14 | 52,500 0 |
52,500 | Form 4 |
| 36 | SANDERS JAMES F Director |
2018-01-04 16:34:38 | 50,000 0 |
50,000 | Form 4 |
| 37 | Rinaldini Luis E. Director |
2019-08-01 16:48:07 | 49,888 0 |
49,888 | Form 4 |
| 38 | CURRIE F RIDGON Director |
2007-03-22 17:44:55 | 45,000 0 |
45,000 | Form 4 |
| 39 | Rasamny Robert Chief Administrative Officer |
2025-06-11 16:26:14 | 42,081 0 |
42,081 | Form 4 |
| 40 | BRADLEY C ALLEN JR Director |
2019-05-13 17:28:30 | 38,462 0 |
38,462 | Form 4 |
| 41 | Davis Joseph E. Director |
2018-07-03 15:54:54 | 0 0 |
0 | Form 3 |
| 42 | Falzone Paul Director |
2018-07-03 15:59:02 | 0 0 |
0 | Form 3 |
| 43 | GRAZIADIO G LOUIS III Director |
2018-10-26 14:23:56 | 0 0 |
0 | Form 4 |