Mitchell L Hollin

Insider

First SEC filing: Dec. 29, 2021 · Latest: Dec. 29, 2021

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 8 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

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 30, 2024	GPGI	A	22,491	—	—	43,320 Direct	+107.98%	Acquired	(price as of 2026-08-21)
May 18, 2023	GPGI	A	20,829	—	—	20,829 Direct	—	Acquired	(price as of 2026-08-21)
April 26, 2019	GPN	A	1,208	$144.89	$175,027	36,585 Direct	+3.41%	Acquired	-36.1% (price as of 2026-08-21)
April 30, 2018	GPN	A	1,372	$113.05	$155,105	35,363 Direct	+4.04%	Acquired	-18.1% (price as of 2026-08-21)
May 4, 2017	GPN	A	1,800	$86.14	$155,052	33,975 Direct	+5.59%	Acquired	7.5% (price as of 2026-08-21)
Sept. 29, 2016	GPN	A	1,189	$76.09	$90,471	32,175 Direct	+3.84%	Acquired	21.7% (price as of 2026-08-21)
April 22, 2016	GPN	A	989	$73.29	$72,484	30,986 Direct	+3.30%	Acquired	26.3% (price as of 2026-08-21)
April 22, 2016	GPN	A	29,997	$75.86	$2,275,572	29,997 Direct	—	Acquired	22.1% (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.

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

Date	Ticker	Security	Shares	Ownership
Dec. 29, 2021	GPGI	Class B Common Stock, $0.0001 par value→ Class A Common Stock, $0.0001 par value (33,071,603)	33,071,603	Indirect
Dec. 29, 2021	GPGI	Class B Common Stock, $0.0001 par value→ Class A Common Stock, $0.0001 par value (1,454,805)	1,454,805	Indirect