James Sapirstein
CIK 1559509 · View on SEC EDGAR ↗
Insider
First SEC filing: Sept. 4, 2018 · Latest: Sept. 4, 2018
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 15 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
15 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 2, 2024 | GRDX | S | 1,289 | $1.07 | $1,379 | 35,816 Direct | -3.47% | Disposed | 24.3% (price as of 2026-08-21) |
| April 1, 2024 | GRDX | S | 174 | $4.23 | $736 | 37,105 Direct | -0.47% | Disposed | -68.6% (price as of 2026-08-21) |
| March 15, 2024 | GRDX | S | 1,887 | $4.96 | $9,360 | 37,279 Direct | -4.82% | Disposed | -73.2% (price as of 2026-08-21) |
| Jan. 12, 2024 | GRDX | S | 166 | $4.20 | $697 | 39,166 Direct | -0.42% | Disposed | -68.3% (price as of 2026-08-21) |
| Oct. 4, 2023 | GRDX | S | 2,764 | $0.29 | $802 | 33,397 Direct | -7.64% | Disposed | -77.1% (price as of 2026-08-21) |
| July 3, 2023 | GRDX | S | 3,349 | $1.54 | $5,157 | 36,161 Direct | -8.48% | Disposed | -95.7% (price as of 2026-08-21) |
| April 3, 2023 | GRDX | S | 3,347 | $2.50 | $8,368 | 39,510 Direct | -7.81% | Disposed | -97.3% (price as of 2026-08-21) |
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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 3, 2026 | COCP | Stock Options (Right to Buy) [F1] | Common Stock (235,000) | $1.12 | June 3, 2036 | 235,000 | Acquired |
| May 4, 2022 | ONCO | Stock Option | Common Stock, par value $0.00001 per share (50,575) | $6.45 | May 4, 2032 | 50,575 | Acquired |
| Jan. 3, 2022 | GRDX | Stock option (right to buy) | Common stock, par value $0.0001 per share (150,000) | $1.45 | Jan. 3, 2032 | 150,000 | Acquired |
| June 30, 2021 | GRDX | Stock options (right to buy) | Common Stock, par value $0.0001 per share (900,000) | $0.85 | July 15, 2030 | 900,000 | Disposed |
| June 30, 2021 | GRDX | Stock options (right to buy) | Common Stock, par value $0.0001 per share (900,000) | $0.85 | June 30, 2031 | 900,000 | Acquired |
| July 16, 2020 | GRDX | Stock options (right to buy) | Common stock, par value $0.0001 per share (1,200,000) | $0.85 | July 15, 2030 | 1,200,000 | Acquired |
| July 16, 2020 | GRDX | Series B Convertible Preferred Stock | Common stock, par value $0.0001 per share (129,870) | — | — | 13 | Acquired |
| July 16, 2020 | GRDX | Series B Warrants | Common stock, par value $0.0001 per share (64,935) | $0.85 | July 16, 2025 | 64,935 | Acquired |
| Oct. 8, 2019 | GRDX | Options | Common Stock (300,000) | $0.52 | Oct. 8, 2029 | 300,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 4, 2018 | LNAI | Options to purchase shares of common stock [F1]→ Common Stock (7,544) | 7,544 | Direct |