Data spanning the past 90 days through February 19, 2026 reveals that Acacia Research's three principal insider shareholders consist of TenPercentOwner Value Lp Starboard (8.21Mn shares), TenPercentOwner Principal Co Lp Starboard (8.21Mn shares), Chief Ip Officer Marc W. Booth (334.91K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Principal Co Lp Starboard | 8,210,058 | 16 May, 2025 | |
| Value Lp Starboard | 8,210,058 | 16 May, 2025 | |
| Marc W. Booth | Chief Ip Officer | 334,907 | 21 Jun, 2023 |
| Maureen Oconnell | 272,603 | 03 Jun, 2025 | |
| Clifford Press | Chief Executive Officer | 268,836 | 08 Sep, 2022 |
| Lawrence Wesley Golby | Chief Investment Officer | 230,035 | 03 Aug, 2022 |
| Jason W. Soncini | General Counsel | 197,698 | 11 Jun, 2025 |
| Katharine Wolanyk | 192,310 | 31 May, 2023 | |
| Jonathan Sagal | 189,227 | 31 May, 2023 | |
| Richard Jay Rosenstein | Chief Financial Officer | 176,074 | 07 Jun, 2022 |
| Martin D. Jr. Mcnulty | Chief Executive Officer | 174,610 | 11 Jun, 2025 |
| Gavin Molinelli | 168,239 | 05 Jan, 2026 | |
| Ajay Sundar | 99,272 | 05 Jan, 2026 | |
| Geoffrey G Ribar | 85,827 | 03 Jun, 2025 | |
| Isaac T. Kohlberg | 85,446 | 13 Jun, 2025 | |
| Kirsten Hoover | Interim Cfo | 84,677 | 11 Jun, 2025 |
| Robert Rasamny | Chief Administrative Officer | 42,081 | 11 Jun, 2025 |
| Michelle Felman | 32,172 | 11 Aug, 2025 | |
| Michael Sikoryak Zambito | Chief Financial Officer | 7,700 | 13 Aug, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 31 Dec, 2025 | Gavin Molinelli | Common Stock, par value $0.001 | A | 8,021 | $3.74 | 168,239 | D | A |
| 31 Dec, 2025 | Ajay Sundar | Common Stock, par value $0.001 | A | 5,348 | $3.74 | 99,272 | D | A |
| 30 Sep, 2025 | Gavin Molinelli | Common Stock, par value $0.001 | A | 9,231 | $3.25 | 160,218 | D | A |
| 30 Sep, 2025 | Ajay Sundar | Common Stock, par value $0.001 | A | 6,154 | $3.25 | 93,924 | D | A |
| 11 Aug, 2025 | Michelle Felman | ACTG Common Stock | D | 11,561 | $0.00 | 32,172 | D | G |
| 11 Aug, 2025 | Michelle Felman | - | - | 32,172 | D | |||
| 11 Aug, 2025 | Michelle Felman | ACTG Common Stock | D | 11,560 | $0.00 | 43,733 | D | G |
| 11 Aug, 2025 | Michael Sikoryak Zambito | - | - | 7,700 | D | |||
| 11 Aug, 2025 | Michael Sikoryak Zambito | ACTG Common Stock | A | 7,700 | $3.27 | 7,700 | D | P |
| 30 Jun, 2025 | Gavin Molinelli | Common Stock, par value $0.001 | A | 8,380 | $3.58 | 150,987 | D | A |
| 30 Jun, 2025 | Ajay Sundar | Common Stock, par value $0.001 | A | 5,587 | $3.58 | 87,770 | D | A |
| 11 Jun, 2025 | Isaac T. Kohlberg | ACTG Common Stock | D | 16,000 | $3.84 | 85,446 | D | S |
| 09 Jun, 2025 | Martin D. Jr. Mcnulty | ACTG Common Stock | D | 10,507 | $3.83 | 174,610 | D | F |
| 09 Jun, 2025 | Jason W. Soncini | ACTG Common Stock | D | 11,486 | $3.83 | 197,698 | D | F |
| 09 Jun, 2025 | Kirsten Hoover | ACTG Common Stock | D | 6,464 | $3.83 | 84,677 | D | F |
| 09 Jun, 2025 | Robert Rasamny | - | - | 42,081 | D | |||
| 09 Jun, 2025 | Robert Rasamny | ACTG Common Stock | D | 6,657 | $3.83 | 42,081 | D | F |
| 30 May, 2025 | Maureen Oconnell | ACTG Common Stock | A | 32,172 | $0.00 | 272,603 | D | A |
| 30 May, 2025 | Maureen Oconnell | - | - | 272,603 | D | |||
| 30 May, 2025 | Michelle Felman | ACTG Common Stock | A | 32,172 | $0.00 | 55,293 | D | A |