Clarkston Ventures, LLC

Insider Activist

First SEC filing: July 3, 2019 · Latest: March 3, 2026

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 2 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

2 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 27, 2026	PRHIZ	O	3,735,769	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 27, 2026	PRHIZ	O	4,277,455	$1.00	$4,277,455	8,013,224 Direct	+114.50%	Acquired	1778.5% (price as of 2026-08-21)
Dec. 12, 2024	PRHIZ	P	100,000	$2.00	$200,000	3,735,769 Direct	+2.75%	Acquired	839.3% (price as of 2026-08-21)
Aug. 10, 2022	PRHIZ	P	1,500,000	$2.00	$3,000,000	3,635,769 Direct	+70.23%	Acquired	839.3% (price as of 2026-08-21)
Dec. 30, 2019	PRHIZ	P	28,344	$4.00	$113,376	2,135,769 Direct	+1.34%	Acquired	369.6% (price as of 2026-08-21)
Nov. 6, 2019	PRHIZ	P	321,782	$4.50	$1,448,019	2,107,425 Direct	+18.02%	Acquired	317.4% (price as of 2026-08-21)
Aug. 14, 2019	PRHIZ	P	14,877	$3.75	$55,789	1,785,643 Direct	+0.84%	Acquired	400.9% (price as of 2026-08-21)
Aug. 13, 2019	PRHIZ	P	178,392	$3.75	$668,970	1,770,766 Direct	+11.20%	Acquired	400.9% (price as of 2026-08-21)

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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Feb. 27, 2026	PRHIZ	Subscription Rights (right to buy)	Common Stock (3,735,769)	$1.00	Feb. 24, 2026	3,735,769	Disposed

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

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
July 3, 2019	PRHIZ	Common Stock	1,592,374	Direct