Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 3 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
Jan. 3, 2022 GRDX A 34,482 · · 34,482 Direct · Acquired (price as of 2026-10-02)
Jan. 4, 2021 GRDX A 41,237 · · 41,237 Direct · Acquired (price as of 2026-10-02)
April 13, 2020 GRDX A 60,000 · · 60,000 Direct · Acquired (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. 3, 2022 GRDX Stock option (right to buy) Common stock, par value $0.0001 per share (34,482) $1.45 Jan. 3, 2032 34,482 Acquired
Jan. 4, 2021 GRDX Options (right to buy) Common stock, par value $0.0001 per share (41,237) $0.97 Jan. 3, 2031 41,237 Acquired
April 13, 2020 GRDX Options Common Stock (60,000) $0.97 April 13, 2030 60,000 Acquired

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