Robert Fischell

Insider

First SEC filing: Aug. 28, 2012 · Latest: Aug. 28, 2012

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Insider at

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.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 1, 2017	GCTK	A	22,727	—	—	22,727 Direct	—	Acquired	(price as of 2026-08-19)
June 1, 2017	GCTK	A	22,727	—	—	22,727 Direct	—	Acquired	(price as of 2026-08-19)
June 1, 2017	GCTK	A	14,894	—	—	14,894 Direct	—	Acquired	(price as of 2026-08-19)
March 17, 2016	GCTK	A	26,666	—	—	26,666 Direct	—	Acquired	(price as of 2026-08-19)

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 1, 2017	GCTK	Restricted Stock Units	Common Stock, par value $0.001 per share (22,727)	—	—	22,727	Acquired
June 1, 2017	GCTK	Restricted Stock Units	Common Stock, par value $0.001 per share (22,727)	$1.98	—	22,727	Acquired
June 1, 2017	GCTK	Option (Right to buy)	Common Stock, par value $0.001 per share (14,894)	$4.50	June 1, 2027	14,894	Acquired
March 17, 2016	GCTK	Option (Right to buy)	Common Stock, par value $0.001 per share (26,666)	$4.50	March 17, 2016	26,666	Acquired

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

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

Date	Ticker	Security	Shares	Ownership
Aug. 28, 2012	GCTK	Common Stock, par value $0.001 per share	48,000	Direct