Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 8 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

8 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
April 6, 2023 GTBP P 50,000 $0.50 $25,000 50,000 Indirect · Acquired -98.4% (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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Jan. 27, 2023 GTBP Option to purchase Common Stock Common Stock (500,000) $0.84 Jan. 26, 2033 500,000 Acquired
July 15, 2022 GTBP Option to purchase Common Stock Common Stock (200,000) $2.48 July 14, 2032 200,000 Acquired

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