Thomas Zindrick
Insider
First SEC filing: Jan. 25, 2023 · Latest: June 18, 2026
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net: $-142,041
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 31, 2026 | GNLX | S | 34,463 | $2.67 | $92,016 | 1,226,427 Direct | -2.73% | Disposed | -4.9% (price as of 2026-10-06) |
| Aug. 4, 2026 | GNLX | S | 3,023 | $2.95 | $8,918 | 1,260,890 Direct | -0.24% | Disposed | -13.9% (price as of 2026-10-06) |
| June 16, 2026 | GNLX | A | 730,601 | · | · | 1,263,913 Direct | +136.99% | Acquired | (price as of 2026-10-06) |
| May 11, 2026 | GNLX | S | 2,798 | $2.94 | $8,226 | 532,051 Direct | -0.52% | Disposed | -13.6% (price as of 2026-10-06) |
| March 24, 2026 | GNLX | S | 3,582 | $2.42 | $8,668 | 534,849 Direct | -0.67% | Disposed | 5.0% (price as of 2026-10-06) |
| Nov. 17, 2025 | GNLX | S | 4,509 | $5.37 | $24,213 | 538,431 Direct | -0.83% | Disposed | -52.7% (price as of 2026-10-06) |
| Sept. 1, 2025 | GNLX | D | 925,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Sept. 1, 2025 | GNLX | A | 925,000 | · | · | 925,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2025 | GNLX | D | 157,372 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Sept. 1, 2025 | GNLX | A | 157,372 | · | · | 157,372 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2025 | GNLX | D | 23,568 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Sept. 1, 2025 | GNLX | A | 23,568 | · | · | 23,568 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 1, 2025 | GNLX | D | 250,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Sept. 1, 2025 | GNLX | A | 250,000 | · | · | 250,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Aug. 27, 2025 | GNLX | A | 361,200 | · | · | 554,161 Direct | +187.19% | Acquired | (price as of 2026-10-06) |
| Aug. 27, 2025 | GNLX | A | 478,800 | · | · | 478,800 Direct | · | Acquired | (price as of 2026-10-06) |
| Aug. 21, 2025 | GNLX | S | 12,673 | $3.33 | $42,201 | 542,940 Direct | -2.28% | Disposed | -23.7% (price as of 2026-10-06) |
| May 12, 2025 | GNLX | S | 10,764 | $2.92 | $31,431 | 191,447 Direct | -5.32% | Disposed | -13.0% (price as of 2026-10-06) |
| March 14, 2025 | GNLX | A | 30,339 | · | · | 202,211 Direct | +17.65% | Acquired | (price as of 2026-10-06) |
| Dec. 18, 2024 | GNLX | A | 134,500 | · | · | 171,872 Direct | +359.90% | Acquired | (price as of 2026-10-06) |
| Dec. 18, 2024 | GNLX | A | 183,000 | · | · | 183,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Dec. 16, 2024 | GNLX | S | 14,315 | $2.34 | $33,497 | 37,372 Direct | -27.70% | Disposed | 8.5% (price as of 2026-10-06) |
| May 29, 2024 | GNLX | P | 200,000 | · | · | 200,000 Indirect | · | Acquired | (price as of 2026-10-06) |
| May 29, 2024 | GNLX | P | 200,000 | · | · | 200,000 Indirect | · | Acquired | (price as of 2026-10-06) |
| March 14, 2024 | GNLX | A | 26,264 | · | · | 50,207 Direct | +109.69% | Acquired | (price as of 2026-10-06) |
| Feb. 19, 2024 | GNLX | A | 8,320 | · | · | 22,971 Direct | +56.79% | Acquired | (price as of 2026-10-06) |
| Sept. 11, 2023 | GNLX | A | 250,000 | · | · | 250,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Aug. 18, 2023 | GNLX | S | 8,349 | $23.73 | $198,122 | 14,651 Direct | -36.30% | Disposed | -89.3% (price as of 2026-10-06) |
| Feb. 27, 2023 | GNLX | A | 23,000 | · | · | 23,000 Direct | · | Acquired | (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 1, 2025 | GNLX | Stock Option (Right to Buy) | Common stock | $6.00 | Sept. 18, 2027 | 925,000 | Disposed |
| Sept. 1, 2025 | GNLX | Stock Option (Right to Buy) | Common stock | $3.33 | Sept. 18, 2027 | 925,000 | Acquired |
| Sept. 1, 2025 | GNLX | Stock Option (Right to Buy) | Common stock | $6.00 | March 22, 2030 | 157,372 | Disposed |
| Sept. 1, 2025 | GNLX | Stock Option (Right to Buy) | Common stock | $3.33 | March 22, 2030 | 157,372 | Acquired |
| Sept. 1, 2025 | GNLX | Stock Option (Right to Buy) | Common stock | $6.00 | Sept. 23, 2030 | 23,568 | Disposed |
| Sept. 1, 2025 | GNLX | Stock Option (Right to Buy) | Common stock | $3.33 | Sept. 23, 2030 | 23,568 | Acquired |
| Sept. 1, 2025 | GNLX | Stock Option (Right to Buy) | Common stock | $22.40 | Sept. 10, 2033 | 250,000 | Disposed |
| Sept. 1, 2025 | GNLX | Stock Option (Right to Buy) | Common stock | $3.33 | Sept. 10, 2033 | 250,000 | Acquired |
| Aug. 27, 2025 | GNLX | Stock Option (Right to Buy) | Common stock | $3.64 | Aug. 26, 2035 | 478,800 | Acquired |
| Dec. 18, 2024 | GNLX | Stock Option (right to buy) | Common Stock | $2.29 | Dec. 17, 2034 | 183,000 | Acquired |
| May 29, 2024 | GNLX | Common Stock Warrant (Right to Buy) | Common Stock | $5.25 | May 29, 2029 | 200,000 | Acquired |
| Sept. 11, 2023 | GNLX | Stock Option (right to buy) | Common Stock | $22.40 | Sept. 10, 2033 | 250,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 25, 2023 | GNLX | Stock Option (right to buy) | 333,333 | Direct |
| Jan. 25, 2023 | GNLX | Stock Option (right to buy) | 200,000 | Direct |
| Jan. 25, 2023 | GNLX | Stock Option (right to buy) | 725,000 | Direct |
| Jan. 25, 2023 | GNLX | Stock Option (right to buy) | 157,372 | Direct |
| Jan. 25, 2023 | GNLX | Stock Option (right to buy) | 23,568 | Direct |