Andrew J Grethlein
First SEC filing: Sept. 21, 2012 · Latest: Feb. 4, 2021
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 18, 2025 | GERN | A | 140,000 | · | · | 140,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2025 | GERN | A | 839,000 | · | · | 839,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 8, 2024 | GERN | M | 452,804 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 8, 2024 | GERN | M | 221,544 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 8, 2024 | GERN | S | 674,348 | $4.56 | $3,075,027 | 0 Direct | -100.00% | Disposed | -73.7% (price as of 2026-10-02) |
| July 8, 2024 | GERN | M | 674,348 | $1.72 | $1,159,879 | 674,348 Direct | · | Acquired | -30.2% (price as of 2026-10-02) |
| June 6, 2024 | GERN | A | 452,804 | · | · | 452,804 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2024 | GERN | A | 1,200,000 | · | · | 1,200,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2023 | GERN | A | 221,544 | · | · | 221,544 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2023 | GERN | A | 780,000 | · | · | 780,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2023 | GERN | M 10b5-1 | 150,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 9, 2023 | GERN | S 10b5-1 | 234,719 | $3.03 | $711,199 | 0 Direct | -100.00% | Disposed | -60.4% (price as of 2026-10-02) |
| Feb. 9, 2023 | GERN | S 10b5-1 | 150,000 | $3.03 | $454,500 | 234,719 Direct | -38.99% | Disposed | -60.4% (price as of 2026-10-02) |
| Feb. 9, 2023 | GERN | M 10b5-1 | 150,000 | $1.51 | $226,500 | 384,719 Direct | +63.91% | Acquired | -20.5% (price as of 2026-10-02) |
| Sept. 12, 2022 | GERN | M | 232,719 | $1.70 | $395,622 | 234,719 Direct | +11635.95% | Acquired | -29.4% (price as of 2026-10-02) |
| Sept. 12, 2022 | GERN | M | 232,719 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 12, 2022 | GERN | M | 2,000 | · | · | 65,281 Direct | -2.97% | Disposed | (price as of 2026-10-02) |
| Sept. 12, 2022 | GERN | M | 2,000 | $1.70 | $3,400 | 2,000 Direct | · | Acquired | -29.4% (price as of 2026-10-02) |
| Feb. 16, 2022 | GERN | A | 750,000 | · | · | 750,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 2, 2021 | GERN | A | 300,000 | · | · | 300,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2020 | GERN | A | 291,375 | · | · | 291,375 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 30, 2019 | GERN | A | 300,000 | · | · | 300,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 31, 2018 | GERN | A | 300,000 | · | · | 300,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2017 | GERN | A | 300,000 | · | · | 300,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2016 | GERN | A | 210,000 | · | · | 210,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 13, 2015 | GERN | A | 210,000 | · | · | 210,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2014 | GERN | A | 400,000 | · | · | 400,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2013 | GERN | A | 300,000 | · | · | 300,000 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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 18, 2025 | GERN | Restricted Stock Units | Common Stock | · | · | 140,000 | Acquired |
| Feb. 18, 2025 | GERN | Stock Option (right to buy) | Common Stock | $2.63 | Feb. 17, 2035 | 839,000 | Acquired |
| July 8, 2024 | GERN | Stock Option (right to buy) | Common Stock | $1.72 | Nov. 6, 2028 | 452,804 | Disposed |
| July 8, 2024 | GERN | Stock Option (right to buy) | Common Stock | $1.72 | Nov. 6, 2028 | 221,544 | Disposed |
| June 6, 2024 | GERN | Employee Stock Option (right to buy) | Common Stock | $1.72 | Nov. 6, 2028 | 452,804 | Acquired |
| Feb. 14, 2024 | GERN | Employee Stock Option (Right to Buy) | Common Stock | $2.10 | Feb. 13, 2034 | 1,200,000 | Acquired |
| Aug. 15, 2023 | GERN | Employee Stock Option (right to buy) | Common Stock | $1.72 | Nov. 6, 2028 | 221,544 | Acquired |
| Feb. 22, 2023 | GERN | Employee Stock Option (right to buy) | Common Stock | $2.83 | Feb. 21, 2033 | 780,000 | Acquired |
| Feb. 9, 2023 | GERN | Employee Stock Option (right to buy) | Common Stock | $1.51 | Feb. 12, 2023 | 150,000 | Disposed |
| Sept. 12, 2022 | GERN | Employee Stock Option (right to buy) | Common Stock | $1.70 | Sept. 19, 2022 | 232,719 | Disposed |
| Sept. 12, 2022 | GERN | Employee Stock Option (right to buy) | Common Stock | $1.70 | Sept. 19, 2022 | 2,000 | Disposed |
| Feb. 16, 2022 | GERN | Employee Stock Option (right to buy) | Common Stock | $1.06 | Feb. 15, 2032 | 750,000 | Acquired |
| Feb. 2, 2021 | GERN | Employee Stock Option (right to buy) | Common Stock | $2.06 | Feb. 1, 2031 | 300,000 | Acquired |
| Feb. 12, 2020 | GERN | Employee Stock Option (right to buy) | Comon Stock | $1.30 | Feb. 11, 2030 | 291,375 | Acquired |
| Jan. 30, 2019 | GERN | Employee Stock Option (right to buy) | Common Stock | $1.03 | Jan. 29, 2029 | 300,000 | Acquired |
| Jan. 31, 2018 | GERN | Employee Stock Option (right to buy) | Common Stock | $2.45 | Jan. 31, 2028 | 300,000 | Acquired |
| Feb. 9, 2017 | GERN | Employee Stock Option (right to buy) | Common Stock | $2.15 | Feb. 9, 2027 | 300,000 | Acquired |
| Feb. 11, 2016 | GERN | Employee Stock Option (right to buy) | Common Stock | $2.54 | Feb. 11, 2026 | 210,000 | Acquired |
| March 13, 2015 | GERN | Employee Stock Option (right to buy) | Common Stock | $4.34 | March 13, 2025 | 210,000 | Acquired |
| Feb. 10, 2014 | GERN | Employee Stock Option (right to buy) | Common Stock | $5.01 | Feb. 10, 2024 | 400,000 | Acquired |
| Feb. 12, 2013 | GERN | Employee Stock Option (right to buy) | Common Stock | $1.51 | Feb. 12, 2023 | 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. 21, 2012 | GERN | Employee Stock Option (right to buy) | 600,000 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $600 | · | · | · | $364,500 | · | $12,976 | $2,813,956 |
| 2023 | $525,000 | $5,007 | · | $1,588,080 | $281,093 | · | $15,911 | $2,415,091 |
| 2022 | $507,546 | · | · | · | $302,500 | · | · | $1,371,749 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.