James Pennington

Insider

First SEC filing: Jan. 3, 2022 · Latest: Jan. 3, 2022

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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
Jan. 3, 2022	GRDX	A	7,500	—	—	7,500 Direct	—	Acquired	(price as of 2026-08-19)
July 9, 2021	GRDX	A	100,000	—	—	100,000 Direct	—	Acquired	(price as of 2026-08-19)
July 16, 2020	GRDX	A	300,000	—	—	300,000 Direct	—	Acquired	(price as of 2026-08-19)
June 13, 2019	GRDX	A	110,000	—	—	110,000 Direct	—	Acquired	(price as of 2026-08-19)
July 12, 2018	GRDX	A	75,000	—	—	75,000 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
Jan. 3, 2022	GRDX	Stock option (right to buy)	Common stock, par value $0.0001 per share (7,500)	$1.45	Jan. 3, 2032	7,500	Acquired
July 9, 2021	GRDX	Stock option (right to buy)	Common stock, par value $0.0001 per share (100,000)	$0.75	July 9, 2031	100,000	Acquired
July 16, 2020	GRDX	Stock option (right to buy)	Common stock, par value $0.0001 per share (300,000)	$0.85	July 15, 2030	300,000	Acquired
June 13, 2019	GRDX	Stock option (right to buy)	Common stock, par value $0.0001 per share (110,000)	$1.75	June 12, 2024	110,000	Acquired
July 12, 2018	GRDX	Options	Common Stock (75,000)	$3.04	June 28, 2023	75,000	Acquired

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