Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 12 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.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 26, 2026 GPK M 805 · · 1,635 Direct -32.99% Disposed (price as of 2026-10-02)
Feb. 26, 2026 GPK F 209 $12.10 $2,529 22,838 Direct -0.91% Disposed -27.4% (price as of 2026-10-02)
Feb. 26, 2026 GPK M 805 · · 23,047 Direct +3.62% Acquired (price as of 2026-10-02)
Feb. 25, 2026 GPK A 17,191 · · 17,191 Direct · Acquired (price as of 2026-10-02)
Feb. 15, 2026 GPK A 2,735 · · 22,786 Direct +13.64% Acquired (price as of 2026-10-02)
Feb. 15, 2026 GPK M 645 · · 665 Direct -49.24% Disposed (price as of 2026-10-02)
Feb. 15, 2026 GPK M 4,411 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 15, 2026 GPK F 156 $12.42 $1,938 22,242 Direct -0.70% Disposed -29.3% (price as of 2026-10-02)
Feb. 15, 2026 GPK M 645 · · 22,398 Direct +2.97% Acquired (price as of 2026-10-02)
Feb. 15, 2026 GPK F 1,033 $12.42 $12,830 21,753 Direct -4.53% Disposed -29.3% (price as of 2026-10-02)
Feb. 15, 2026 GPK F 1,853 $12.42 $23,014 20,051 Direct -8.46% Disposed -29.3% (price as of 2026-10-02)
Feb. 15, 2026 GPK M 4,411 · · 21,904 Direct +25.22% Acquired (price as of 2026-10-02)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 26, 2026 GPK Service-Based Restricted Stock Units Common Stock (805) $0.00 · 805 Disposed
Feb. 25, 2026 GPK Service-Based Restricted Stock Units Common Stock (17,191) $0.00 · 17,191 Acquired
Feb. 15, 2026 GPK Service-Based Restricted Stock Units Common Stock (645) $0.00 · 645 Disposed
Feb. 15, 2026 GPK Service-Based Restricted Stock Units Common Stock (4,411) $0.00 · 4,411 Disposed

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

Initial ownership (Form 3) 4 holdings

07

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

DateTickerSecuritySharesOwnership
Jan. 9, 2026 GPK Common Stock 17,493 Direct
Jan. 9, 2026 GPK Service-Based Restricted Stock Units [F1]→ Common Stock (4,411) 4,411 Direct
Jan. 9, 2026 GPK Service-Based Restricted Stock Units [F1]→ Common Stock (1,955) 1,955 Direct
Jan. 9, 2026 GPK Service-Based Restricted Stock Units [F1]→ Common Stock (2,440) 2,440 Direct