Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 4 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
Dec. 4, 2003 GTBP G 10,000 $0.48 $4,800 1,677,988 Direct -0.59% Disposed -100.0% (price as of 2026-10-02)
Dec. 4, 2003 GTBP A 150,000 $0.56 $84,000 1,827,988 Direct +8.94% Acquired -100.0% (price as of 2026-10-02)
Dec. 4, 2003 GTBP A 150,000 $0.56 $84,000 1,847,988 Direct +8.83% Acquired -100.0% (price as of 2026-10-02)
Nov. 26, 2003 GTBP G 10,000 $0.54 $5,400 1,687,988 Direct -0.59% Disposed -100.0% (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
Dec. 4, 2003 GTBP Stock Option (right to buy) · $0.56 Dec. 3, 2013 150,000 Acquired
Dec. 4, 2003 GTBP Stock Option (right to buy) · $0.56 Dec. 3, 2013 150,000 Acquired

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

Compensation (DEF 14A)

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

GTBP

President & CEO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2004 $200,420,032,002 · · · · · · ·
2001 $2,001 $215,000 · · · · · ·

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