Andrew J Grethlein
CIK 1270921 · View on SEC EDGAR ↗
First SEC filing: Sept. 21, 2012 · Latest: Feb. 4, 2021
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 8, 2024 | GERN | S | 674,348 | $4.56 | $3,075,027 | 0 Direct | -100.00% | Disposed | -65.5% (price as of 2026-08-19) |
| Feb. 9, 2023 | GERN | S 10b5-1 | 234,719 | $3.03 | $711,199 | 0 Direct | -100.00% | Disposed | -48.0% (price as of 2026-08-19) |
| Feb. 9, 2023 | GERN | S 10b5-1 | 150,000 | $3.03 | $454,500 | 234,719 Direct | -38.99% | Disposed | -48.0% (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.
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) | — | — | 140,000 | Acquired |
| Feb. 18, 2025 | GERN | Stock Option (right to buy) | Common Stock (839,000) | $2.63 | Feb. 17, 2035 | 839,000 | Acquired |
| July 8, 2024 | GERN | Stock Option (right to buy) | Common Stock (452,804) | $1.72 | Nov. 6, 2028 | 452,804 | Disposed |
| July 8, 2024 | GERN | Stock Option (right to buy) | Common Stock (221,544) | $1.72 | Nov. 6, 2028 | 221,544 | Disposed |
| June 6, 2024 | GERN | Employee Stock Option (right to buy) | Common Stock (452,804) | $1.72 | Nov. 6, 2028 | 452,804 | Acquired |
| Aug. 15, 2023 | GERN | Employee Stock Option (right to buy) | Common Stock (221,544) | $1.72 | Nov. 6, 2028 | 221,544 | Acquired |
| Feb. 22, 2023 | GERN | Employee Stock Option (right to buy) | Common Stock (780,000) | $2.83 | Feb. 21, 2033 | 780,000 | Acquired |
| Feb. 9, 2023 | GERN | Employee Stock Option (right to buy) | Common Stock (150,000) | $1.51 | Feb. 12, 2023 | 150,000 | Disposed |
| Sept. 12, 2022 | GERN | Employee Stock Option (right to buy) | Common Stock (232,719) | $1.70 | Sept. 19, 2022 | 232,719 | Disposed |
| Sept. 12, 2022 | GERN | Employee Stock Option (right to buy) | Common Stock (2,000) | $1.70 | Sept. 19, 2022 | 2,000 | Disposed |
| Feb. 16, 2022 | GERN | Employee Stock Option (right to buy) | Common Stock (750,000) | $1.06 | Feb. 15, 2032 | 750,000 | Acquired |
| Feb. 2, 2021 | GERN | Employee Stock Option (right to buy) | Common Stock (300,000) | $2.06 | Feb. 1, 2031 | 300,000 | Acquired |
| Feb. 12, 2020 | GERN | Employee Stock Option (right to buy) | Comon Stock (291,375) | $1.30 | Feb. 11, 2030 | 291,375 | Acquired |
| Jan. 30, 2019 | GERN | Employee Stock Option (right to buy) | Common Stock (300,000) | $1.03 | Jan. 29, 2029 | 300,000 | Acquired |
| Jan. 31, 2018 | GERN | Employee Stock Option (right to buy) | Common Stock (300,000) | $2.45 | Jan. 31, 2028 | 300,000 | Acquired |
| Feb. 9, 2017 | GERN | Employee Stock Option (right to buy) | Common Stock (300,000) | $2.15 | Feb. 9, 2027 | 300,000 | Acquired |
| Feb. 11, 2016 | GERN | Employee Stock Option (right to buy) | Common Stock (210,000) | $2.54 | Feb. 11, 2026 | 210,000 | Acquired |
| March 13, 2015 | GERN | Employee Stock Option (right to buy) | Common Stock (210,000) | $4.34 | March 13, 2025 | 210,000 | Acquired |
| Feb. 10, 2014 | GERN | Employee Stock Option (right to buy) | Common Stock (400,000) | $5.01 | Feb. 10, 2024 | 400,000 | Acquired |
| Feb. 12, 2013 | GERN | Employee Stock Option (right to buy) | Common Stock (300,000) | $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)→ Common Stock (600,000) | 600,000 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
GERN
EVP| 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.