Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 13 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
July 29, 2026 GPK A 22,066 · · 22,066 Direct · Acquired (price as of 2026-10-05)
Feb. 26, 2026 GPK M 402 · · 818 Direct -32.95% Disposed (price as of 2026-10-05)
Feb. 26, 2026 GPK F 81 $12.10 $980 1,845 Direct -4.21% Disposed -29.2% (price as of 2026-10-05)
Feb. 26, 2026 GPK M 402 · · 1,926 Direct +26.38% Acquired (price as of 2026-10-05)
Feb. 25, 2026 GPK A 6,549 · · 6,549 Direct · Acquired (price as of 2026-10-05)
Feb. 15, 2026 GPK M 430 · · 444 Direct -49.20% Disposed (price as of 2026-10-05)
Feb. 15, 2026 GPK M 1,003 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Feb. 15, 2026 GPK F 88 $12.42 $1,093 1,524 Direct -5.46% Disposed -31.0% (price as of 2026-10-05)
Feb. 15, 2026 GPK M 430 · · 1,612 Direct +36.38% Acquired (price as of 2026-10-05)
Feb. 15, 2026 GPK F 153 $12.42 $1,900 1,182 Direct -11.46% Disposed -31.0% (price as of 2026-10-05)
Feb. 15, 2026 GPK A 622 · · 1,335 Direct +87.24% Acquired (price as of 2026-10-05)
Feb. 15, 2026 GPK F 290 $12.42 $3,602 713 Direct -28.91% Disposed -31.0% (price as of 2026-10-05)
Feb. 15, 2026 GPK M 1,003 · · 1,003 Direct · Acquired (price as of 2026-10-05)

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
July 29, 2026 GPK Service-Based Restricted Stock Units Common Stock (22,066) $0.00 · 22,066 Acquired
Feb. 26, 2026 GPK Service-Based Restricted Stock Units Common Stock (402) $0.00 · 402 Disposed
Feb. 25, 2026 GPK Service-Based Restricted Stock Units Common Stock (6,549) $0.00 · 6,549 Acquired
Feb. 15, 2026 GPK Service-Based Restricted Stock Units Common Stock (430) $0.00 · 430 Disposed
Feb. 15, 2026 GPK Service-Based Restricted Stock Units Common Stock (1,003) $0.00 · 1,003 Disposed

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

Initial ownership (Form 3) 3 holdings

07

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

DateTickerSecuritySharesOwnership
Jan. 8, 2026 GPK Service-Based Restricted Stock Units [F1]→ Common Stock (1,003) 1,003 Direct
Jan. 8, 2026 GPK Service-Based Restricted Stock Units [F1]→ Common Stock (1,303) 1,303 Direct
Jan. 8, 2026 GPK Service-Based Restricted Stock Units [F1]→ Common Stock (1,220) 1,220 Direct