Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 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

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 1, 2024 GCTK P 138,000 · · 138,000 Direct · Acquired (price as of 2026-10-05)
April 22, 2024 GCTK P 182,540 $1.26 $230,000 2,951,258 Direct +6.59% Acquired -100.0% (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 1, 2024 GCTK Warrants to Purchase Common Stock Common Stock (138,000) $4.95 July 1, 2029 138,000 Acquired

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

Initial ownership (Form 3) 5 holdings

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

DateTickerSecuritySharesOwnership
July 19, 2019 GCTK Common Stock 952,454 Indirect
July 19, 2019 GCTK Warrant→ Common Stock (3,515,753) 3,515,753 Indirect
July 19, 2019 GCTK Warrant→ Common Stock (108,305) 108,305 Indirect
July 19, 2019 GCTK Warrant→ Common Stock (108,305) 108,305 Indirect
July 19, 2019 GCTK Warrant→ Common Stock (108,305) 108,305 Indirect