Acacia Research Corporation ACTG NASDAQ

NASDAQ Global Select • Industrials • Specialty Business Services • US • USD

Acacia Research Corporation (ACTG) has 20 known insider and institutional holders on record. The largest holder is Starboard Principal Co LP with 1,732,877 shares. Other notable holders include Starboard Value LP and Tobia Alfred Victor Jr..

Over the last 12 months, insiders have made 30 transactions in ACTG stock — 19 buys (valued at $371.66K) and 1 sells (valued at $61.44K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

ACTG Insider Ownership

Top Holder

Starboard Principal Co LP

1,732,877 shares

Buys (12 mo)

$371.66K value

Sells (12 mo)

$61.44K value

12-Month Transaction Activity

Buy 63%

Sell 3%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Starboard Principal Co Lp	10 Percent Owner	1,732,877	2023-03-03	100%
2	Starboard Value Lp	10 Percent Owner	1,732,877	2023-03-03	100%
3	Tobia Alfred Victor Jr.	President & CIO	538,462	2020-12-17	31%
4	Ryan Paul R	CEO	430,891	2013-08-02	25%
5	Harris Robert L Ii	Executive Chairman	379,609	2015-12-03	22%
6	Graziadio G Louis Iii	Director	354,500	2018-03-16	20%
7	Booth Marc W.	Chief Ip Officer	334,907	2023-06-21	19%
8	Oconnell Maureen	Director	272,603	2025-06-03	16%
9	Press Clifford	Chief Executive Officer	268,836	2022-09-08	16%
10	Key Marvin E	Interim Chief Executive Office	250,000	2016-08-03	14%
11	Vella Matthew	CEO & President	245,884	2015-05-22	14%
12	Golby Lawrence Wesley	Chief Investment Officer	230,035	2022-08-03	13%
13	Wolanyk Katharine	Director	192,310	2023-05-31	11%
14	Soncini Jason W.	General Counsel	191,551	2026-03-24	11%
15	Sagal Jonathan	Director	178,413	2023-05-31	10%
16	Rosenstein Richard Jay	Chief Financial Officer	176,074	2022-06-07	10%
17	Molinelli Gavin	Director	174,476	2026-04-01	10%
18	Mcnulty Martin D. Jr.	Chief Executive Officer	166,403	2026-03-12	10%
19	Haynes Clayton J	CFO	162,615	2018-08-21	9%
20	Treska Edward Joseph	EVP, General Counsel & Sec	123,983	2018-08-21	7%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-03-31	Sundar Ajay	Director	RSU Award	4,158	$4.81	$20K
2026-03-31	Molinelli Gavin	Director	RSU Award	6,237	$4.81	$30K
2026-03-23	Soncini Jason W.	General Counsel	Tax Withholding of RSU	6,147	$4.85	$29.81K
2026-03-10	Mcnulty Martin D. Jr.	Chief Executive Officer	Tax Withholding of RSU	8,207	$4.15	$34.06K
2025-12-31	Sundar Ajay	Director	RSU Award	5,348	$3.74	$20K
2025-12-31	Molinelli Gavin	Director	RSU Award	8,021	$3.74	$30K
2025-09-30	Sundar Ajay	Director	RSU Award	6,154	$3.25	$20K
2025-09-30	Molinelli Gavin	Director	RSU Award	9,231	$3.25	$30K
2025-08-11	Zambito Michael Sikoryak	Chief Financial Officer	Informative Buy	7,700	$3.27	$25.15K
2025-08-11	Felman Michelle	Director	Gift (Given)	11,561	-	-
2025-06-30	Sundar Ajay	Director	RSU Award	5,587	$3.58	$20K
2025-06-30	Molinelli Gavin	Director	RSU Award	8,380	$3.58	$30K
2025-06-24	Zambito Michael Sikoryak	Chief Financial Officer	Unknown	-	-	-
2025-06-11	Kohlberg Isaac T.	Director	Informative Sell	16,000	$3.84	$61.44K
2025-06-09	Rasamny Robert	Chief Administrative Officer	Tax Withholding of RSU	6,657	$3.83	$25.5K
2025-06-09	Hoover Kirsten	Interim CFO	Tax Withholding of RSU	6,464	$3.83	$24.76K
2025-06-09	Soncini Jason W.	General Counsel	Tax Withholding of RSU	11,486	$3.83	$43.99K
2025-06-09	Mcnulty Martin D. Jr.	Chief Executive Officer	Tax Withholding of RSU	10,507	$3.83	$40.24K
2025-05-30	Sundar Ajay	Director	RSU Award	32,172	-	-
2025-05-30	Kohlberg Isaac T.	Director	RSU Award	32,172	-	-
2025-05-30	Molinelli Gavin	Director	RSU Award	32,172	-	-
2025-05-30	Ribar Geoffrey G	Director	RSU Award	32,172	-	-
2025-05-30	Felman Michelle	Director	RSU Award	32,172	-	-
2025-05-30	Oconnell Maureen	Director	RSU Award	32,172	-	-
2025-05-21	Soncini Jason W.	General Counsel	Informative Buy	7,000	$3.79	$26.52K