Jonathan Wilk

Insider

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

On this page

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.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

GPGI selling Sept. 17, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 21 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

21 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 2, 2026	GPGI	F	49,112	$19.28	$946,879	2,697,647 Direct	-1.79%	Disposed	-32.7% (price as of 2026-08-20)
Jan. 1, 2026	GPGI	F	174,753	$19.28	$3,369,238	2,937,389 Direct	-5.62%	Disposed	-32.7% (price as of 2026-08-20)
Jan. 1, 2026	GPGI	F	129,449	$19.28	$2,495,777	3,112,142 Direct	-3.99%	Disposed	-32.7% (price as of 2026-08-20)
Jan. 1, 2026	GPGI	F	208,690	$19.28	$4,023,543	3,241,591 Direct	-6.05%	Disposed	-32.7% (price as of 2026-08-20)
Sept. 9, 2025	GPGI	F	169,439	$19.40	$3,287,117	3,450,281 Direct	-4.68%	Disposed	-33.1% (price as of 2026-08-20)
Feb. 26, 2025	GPGI	A	278,305	—	—	3,573,607 Direct	+8.45%	Acquired	(price as of 2026-08-20)
Jan. 1, 2025	GPGI	F	119,292	$15.33	$1,828,746	3,295,302 Direct	-3.49%	Disposed	2.0% (price as of 2026-08-20)
Jan. 1, 2025	GPGI	F	88,365	$15.33	$1,354,635	3,414,594 Direct	-2.52%	Disposed	2.0% (price as of 2026-08-20)
Jan. 1, 2025	GPGI	F	142,712	$15.33	$2,187,775	3,502,959 Direct	-3.91%	Disposed	2.0% (price as of 2026-08-20)
Dec. 17, 2024	GPGI	F	114,841	$16.55	$1,900,619	3,645,671 Direct	-3.05%	Disposed	-5.6% (price as of 2026-08-20)
Dec. 17, 2024	GPGI	A	70,188	—	—	688,201 Indirect	+11.36%	Acquired	(price as of 2026-08-20)
Sept. 17, 2024	GPGI	C	1,236,027	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 17, 2024	GPGI	S	618,014	$7.55	$4,666,006	618,013 Indirect	-50.00%	Disposed	107.0% (price as of 2026-08-20)
Sept. 17, 2024	GPGI	C	1,236,027	—	—	1,236,027 Indirect	—	Acquired	(price as of 2026-08-20)
March 15, 2024	GPGI	A	707,258	$5.19	$3,670,669	3,760,512 Direct	+23.16%	Acquired	201.2% (price as of 2026-08-20)
March 15, 2024	GPGI	A	707,258	$5.19	$3,670,669	3,053,254 Direct	+30.15%	Acquired	201.2% (price as of 2026-08-20)
Jan. 1, 2024	GPGI	F	62,861	$5.40	$339,449	2,345,996 Direct	-2.61%	Disposed	189.4% (price as of 2026-08-20)
Jan. 1, 2024	GPGI	F	117,277	$5.40	$633,296	2,408,857 Direct	-4.64%	Disposed	189.4% (price as of 2026-08-20)
March 9, 2023	GPGI	A	523,903	—	—	2,526,134 Direct	+26.17%	Acquired	(price as of 2026-08-20)
March 9, 2023	GPGI	A	523,903	—	—	2,002,231 Direct	+35.44%	Acquired	(price as of 2026-08-20)
Jan. 1, 2023	GPGI	F	114,503	$4.91	$562,210	1,478,328 Direct	-7.19%	Disposed	218.3% (price as of 2026-08-20)
May 12, 2022	GPGI	P	20,000	$6.09	$121,800	1,592,831 Direct	+1.27%	Acquired	156.6% (price as of 2026-08-20)
March 16, 2022	GPGI	A	1,572,831	—	—	1,572,831 Direct	—	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
Sept. 17, 2024	GPGI	Class B Common Stock, $0.0001 par value	Class A Common Stock, $0.0001 par value (1,236,027)	—	—	1,236,027	Disposed

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

Initial ownership (Form 3) 1 holding

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 (1,236,027)	1,236,027	Indirect

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

GPGI

CEO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2024	$660,100	—	$5,283,217	—	$575,000	—	$12,829	$6,531,146
2023	$618,040	—	$5,500,985	—	$438,780	—	$12,304	$6,570,108
2022	$600,039	—	$11,241,827	—	$1,124,754	—	$11,257	$12,977,877

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.