Richard A Davis

Insider

First SEC filing: June 30, 2004 · Latest: June 30, 2004

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 5 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.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 22, 2004	GTBP	A	5,000	$0.57	$2,850	107,147 Direct	-4.46%	Disposed	-99.9% (price as of 2026-08-20)
June 22, 2004	GTBP	A	15,000	$0.57	$8,550	117,147 Direct	+14.68%	Acquired	-99.9% (price as of 2026-08-20)
Dec. 4, 2003	GTBP	A	59,807	$0.57	$34,090	84,807 Direct	+239.23%	Acquired	-99.9% (price as of 2026-08-20)
Dec. 4, 2003	GTBP	A	59,368	$0.57	$33,840	84,368 Direct	-41.30%	Disposed	-99.9% (price as of 2026-08-20)
Dec. 4, 2003	GTBP	A	22,807	$0.57	$13,000	47,807 Direct	-32.30%	Disposed	-99.9% (price as of 2026-08-20)

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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 22, 2004	GTBP	Stock Option (right to buy)	common stock (5,000)	$0.57	June 21, 2014	5,000	Disposed
June 22, 2004	GTBP	Stock Option (right to buy)	common stock (15,000)	$0.57	June 21, 2014	15,000	Acquired
Dec. 4, 2003	GTBP	stock option (right to buy)	common stock (59,807)	$0.57	Dec. 3, 2013	59,807	Acquired
Dec. 4, 2003	GTBP	stock option (right to buy)	common stock (59,368)	$0.57	Dec. 3, 2013	59,368	Disposed
Dec. 4, 2003	GTBP	Stock Option (right to buy)	common stock (22,807)	$0.57	Dec. 4, 2013	22,807	Disposed

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