MARTIN WILLIAM C

CIK 1205885 · View on SEC EDGAR ↗

Activist

First SEC filing: April 17, 2025 · Latest: April 17, 2025

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

IMMR buying March 20, 2025

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 42 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

42 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 31, 2026	IMMR	A	5,640	—	—	1,423,164 Direct	+0.40%	Acquired	(price as of 2026-08-20)
April 30, 2026	IMMR	A	17,872	—	—	1,417,524 Direct	+1.28%	Acquired	(price as of 2026-08-20)
April 30, 2026	IMMR	A	7,425	—	—	1,399,652 Direct	+0.53%	Acquired	(price as of 2026-08-20)
Jan. 30, 2026	IMMR	A	6,588	—	—	1,392,227 Direct	+0.48%	Acquired	(price as of 2026-08-20)
Nov. 14, 2025	IMMR	A	17,647	—	—	1,385,639 Direct	+1.29%	Acquired	(price as of 2026-08-20)
Oct. 31, 2025	IMMR	A	7,952	—	—	1,367,992 Direct	+0.58%	Acquired	(price as of 2026-08-20)
July 31, 2025	IMMR	A	7,140	—	—	1,360,040 Direct	+0.53%	Acquired	(price as of 2026-08-20)
July 1, 2025	IMMR	F	68,400	$7.91	$541,044	1,352,900 Direct	-4.81%	Disposed	-4.0% (price as of 2026-08-20)
May 2, 2025	IMMR	A	10,239	—	—	1,421,300 Direct	+0.73%	Acquired	(price as of 2026-08-20)
April 30, 2025	IMMR	A	5,968	—	—	1,411,061 Direct	+0.42%	Acquired	(price as of 2026-08-20)
April 1, 2025	IMMR	F	45,600	$7.74	$352,944	1,405,093 Direct	-3.14%	Disposed	-1.9% (price as of 2026-08-20)
March 20, 2025	IMMR	P	27,150	$7.55	$204,982	1,450,693 Direct	+1.91%	Acquired	0.5% (price as of 2026-08-20)
Jan. 31, 2025	IMMR	A	86,899	—	—	1,423,543 Direct	+6.50%	Acquired	(price as of 2026-08-20)
Jan. 1, 2025	IMMR	F	7,692	$8.73	$67,151	1,336,644 Direct	-0.57%	Disposed	-13.1% (price as of 2026-08-20)
Jan. 1, 2025	IMMR	F	8,799	$8.73	$76,815	1,344,336 Direct	-0.65%	Disposed	-13.1% (price as of 2026-08-20)
Oct. 31, 2024	IMMR	A	6,672	—	—	1,353,135 Direct	+0.50%	Acquired	(price as of 2026-08-20)
Oct. 1, 2024	IMMR	F	11,401	$8.69	$99,075	1,346,463 Direct	-0.84%	Disposed	-12.7% (price as of 2026-08-20)
Oct. 1, 2024	IMMR	F	11,401	$8.69	$99,075	1,357,864 Direct	-0.83%	Disposed	-12.7% (price as of 2026-08-20)
Aug. 28, 2024	IMMR	P	5,000	$8.61	$43,050	1,369,265 Direct	+0.37%	Acquired	-11.8% (price as of 2026-08-20)
Aug. 27, 2024	IMMR	P	15,000	$8.81	$132,150	1,364,265 Direct	+1.11%	Acquired	-13.8% (price as of 2026-08-20)
Aug. 7, 2024	IMMR	F	22,802	$10.23	$233,264	1,349,265 Direct	-1.66%	Disposed	-25.8% (price as of 2026-08-20)
Aug. 6, 2024	IMMR	M	100,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 6, 2024	IMMR	M	100,000	—	—	1,372,067 Direct	+7.86%	Acquired	(price as of 2026-08-20)
July 1, 2024	IMMR	M	100,000	—	—	100,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
July 1, 2024	IMMR	A	150,000	—	—	1,272,067 Direct	+13.37%	Acquired	(price as of 2026-08-20)
July 1, 2024	IMMR	F	45,600	$9.46	$431,376	1,122,067 Direct	-3.91%	Disposed	-19.8% (price as of 2026-08-20)
July 1, 2024	IMMR	M	100,000	—	—	1,167,667 Direct	+9.37%	Acquired	(price as of 2026-08-20)
July 1, 2024	IMMR	F	11,400	$9.46	$107,844	1,067,667 Direct	-1.06%	Disposed	-19.8% (price as of 2026-08-20)
June 28, 2024	IMMR	A	53,678	—	—	1,079,067 Direct	+5.23%	Acquired	(price as of 2026-08-20)
May 3, 2024	IMMR	A	35,565	—	—	1,025,389 Direct	+3.59%	Acquired	(price as of 2026-08-20)
April 29, 2024	IMMR	A	17,242	—	—	989,824 Direct	+1.77%	Acquired	(price as of 2026-08-20)
April 1, 2024	IMMR	F	10,683	$7.53	$80,443	972,582 Direct	-1.09%	Disposed	0.8% (price as of 2026-08-20)
April 1, 2024	IMMR	A	100,000	—	—	983,265 Direct	+11.32%	Acquired	(price as of 2026-08-20)
March 29, 2024	IMMR	A	6,517	—	—	883,265 Direct	+0.74%	Acquired	(price as of 2026-08-20)
Jan. 12, 2024	IMMR	A	74,160	—	—	876,748 Direct	+9.24%	Acquired	(price as of 2026-08-20)
Jan. 1, 2024	IMMR	F	8,751	$7.16	$62,657	802,588 Direct	-1.08%	Disposed	6.0% (price as of 2026-08-20)
Dec. 29, 2023	IMMR	A	8,008	—	—	811,339 Direct	+1.00%	Acquired	(price as of 2026-08-20)
Oct. 1, 2023	IMMR	F	11,401	$6.61	$75,361	803,331 Direct	-1.40%	Disposed	14.8% (price as of 2026-08-20)
Sept. 30, 2023	IMMR	A	7,326	—	—	814,732 Direct	+0.91%	Acquired	(price as of 2026-08-20)
July 1, 2023	IMMR	F	11,543	$7.08	$81,724	807,406 Direct	-1.41%	Disposed	7.2% (price as of 2026-08-20)
June 30, 2023	IMMR	A	14,834	—	—	818,949 Direct	+1.84%	Acquired	(price as of 2026-08-20)
May 23, 2022	IMMR	A	22,851	—	—	372,831 Direct	+6.53%	Acquired	(price as of 2026-08-20)
Jan. 27, 2022	IMMR	A	300,000	—	—	300,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 27, 2022	IMMR	A	300,000	—	—	358,181 Direct	+515.63%	Acquired	(price as of 2026-08-20)
Jan. 27, 2022	IMMR	A	26,151	—	—	58,181 Direct	+81.65%	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Aug. 6, 2024	IMMR	Performance-based Restricted Stock Units	Common Stock (100,000)	—	Jan. 1, 2027	100,000	Disposed
July 1, 2024	IMMR	Performance-based Restricted Stock Units	Common Stock (100,000)	—	Jan. 1, 2027	100,000	Disposed
Jan. 27, 2022	IMMR	Performance-Based Restricted Stock Units	Common Stock (300,000)	—	Jan. 1, 2027	300,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).