John Mendlein
Insider
First SEC filing: Dec. 7, 2018 · Latest: Dec. 7, 2018
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 29, 2025 | FATE | A | 55,000 | · | · | 55,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 7, 2024 | FATE | A | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 6, 2023 | FATE | A | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 19, 2023 | FATE | M | 28,461 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 19, 2023 | FATE | M | 28,461 | $1.37 | $38,992 | 311,231 Direct | +10.07% | Acquired | 69.3% (price as of 2026-10-02) |
| Jan. 13, 2023 | FATE | P | 36,631 | $5.43 | $198,906 | 282,770 Direct | +14.88% | Acquired | -57.3% (price as of 2026-10-02) |
| Jan. 11, 2023 | FATE | P | 88,048 | $5.67 | $499,232 | 246,139 Direct | +55.69% | Acquired | -59.1% (price as of 2026-10-02) |
| June 9, 2022 | FATE | A | 11,893 | · | · | 11,893 Direct | · | Acquired | (price as of 2026-10-02) |
| June 9, 2022 | FATE | A | 8,650 | · | · | 166,741 Direct | +5.47% | Acquired | (price as of 2026-10-02) |
| June 3, 2022 | FATE | S | 1,364 | $22.79 | $31,086 | 158,091 Direct | -0.86% | Disposed | -89.8% (price as of 2026-10-02) |
| March 10, 2022 | FATE | M 10b5-1 | 31,562 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 10, 2022 | FATE | S 10b5-1 | 12,069 | $35.48 | $428,208 | 159,455 Direct | -7.04% | Disposed | -93.5% (price as of 2026-10-02) |
| March 10, 2022 | FATE | S 10b5-1 | 19,493 | $34.73 | $676,992 | 171,524 Direct | -10.20% | Disposed | -93.3% (price as of 2026-10-02) |
| March 10, 2022 | FATE | M 10b5-1 | 31,562 | $1.63 | $51,446 | 191,017 Direct | +19.79% | Acquired | 42.3% (price as of 2026-10-02) |
| June 2, 2021 | FATE | A | 2,681 | · | · | 159,455 Direct | +1.71% | Acquired | (price as of 2026-10-02) |
| June 2, 2021 | FATE | A | 4,334 | · | · | 4,334 Direct | · | Acquired | (price as of 2026-10-02) |
| May 1, 2020 | FATE | A | 16,000 | · | · | 16,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 8, 2019 | ATYR | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 3, 2019 | FATE | A | 16,000 | · | · | 16,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 21, 2018 | ATYR | P | 195,000 | $0.42 | $81,900 | 615,382 Direct | +46.39% | Acquired | -95.1% (price as of 2026-10-02) |
| Dec. 20, 2018 | ATYR | P | 50,000 | $0.41 | $20,500 | 420,382 Direct | +13.50% | Acquired | -95.0% (price as of 2026-10-02) |
| May 15, 2018 | ATYR | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 2, 2018 | FATE | A | 16,000 | · | · | 16,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2018 | ATYR | A | 32,000 | · | · | 32,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2017 | ATYR | P | 37,736 | $2.65 | $100,000 | 367,883 Direct | +11.43% | Acquired | -99.2% (price as of 2026-10-02) |
| Aug. 31, 2017 | ATYR | P | 14,151 | · | · | 14,151 Direct | · | Acquired | (price as of 2026-10-02) |
| June 15, 2017 | EDIT | A | 11,538 | · | · | 11,538 Direct | · | Acquired | (price as of 2026-10-02) |
| April 24, 2017 | ATYR | P 10b5-1 | 124 | $3.00 | $372 | 327,647 Direct | +0.04% | Acquired | -99.3% (price as of 2026-10-02) |
| April 20, 2017 | ATYR | P 10b5-1 | 1,552 | $3.00 | $4,656 | 327,523 Direct | +0.48% | Acquired | -99.3% (price as of 2026-10-02) |
| April 18, 2017 | ATYR | P 10b5-1 | 1,000 | $3.00 | $3,000 | 325,971 Direct | +0.31% | Acquired | -99.3% (price as of 2026-10-02) |
| Feb. 7, 2017 | ATYR | A | 185,000 | · | · | 185,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2016 | ATYR | P | 69,000 | $2.20 | $151,800 | 324,971 Direct | +26.96% | Acquired | -99.1% (price as of 2026-10-02) |
| April 5, 2016 | ATYR | P | 2,500 | $3.52 | $8,800 | 250,971 Direct | +1.01% | Acquired | -99.4% (price as of 2026-10-02) |
| April 5, 2016 | ATYR | P | 2,500 | $3.55 | $8,875 | 248,471 Direct | +1.02% | Acquired | -99.4% (price as of 2026-10-02) |
| Feb. 3, 2016 | EDIT | A | 96,153 | · | · | 96,153 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 27, 2016 | ATYR | A | 135,000 | · | · | 135,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 4, 2016 | ATYR | A | 148,732 | · | · | 148,732 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2015 | ATYR | A | 65,070 | · | · | 65,070 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2015 | ATYR | A | 71,000 | · | · | 71,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 13, 2015 | FATE | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 12, 2015 | ATYR | C | 21,122 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 12, 2015 | ATYR | C | 170,218 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 12, 2015 | ATYR | C | 24,055 | · | · | 245,971 Direct | +10.84% | Acquired | (price as of 2026-10-02) |
| May 6, 2015 | ATYR | A | 163,437 | · | · | 163,437 Direct | · | Acquired | (price as of 2026-10-02) |
| June 6, 2014 | FATE | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 4, 2013 | FATE | P | 16,667 | $6.00 | $100,002 | 156,774 Direct | +11.90% | Acquired | -61.3% (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 |
|---|---|---|---|---|---|---|---|
| May 29, 2025 | FATE | Stock Option (Right to Buy) | Common Stock | $1.32 | May 29, 2035 | 55,000 | Acquired |
| June 7, 2024 | FATE | Stock Option (Right to Buy) | Common Stock | $3.68 | June 7, 2034 | 40,000 | Acquired |
| June 6, 2023 | FATE | Stock Option (Right to Buy) | Common Stock | $5.52 | June 6, 2033 | 40,000 | Acquired |
| Jan. 19, 2023 | FATE | Stock Option (Right to Buy) | Common Stock | $1.37 | Feb. 6, 2023 | 28,461 | Acquired |
| June 9, 2022 | FATE | Stock Option (Right to Buy) | Common Stock | $23.48 | June 9, 2032 | 11,893 | Acquired |
| March 10, 2022 | FATE | Stock Option (Right to Buy) | Common Stock | $1.63 | March 12, 2022 | 31,562 | Disposed |
| June 2, 2021 | FATE | Stock Option (Right to Buy) | Common Stock | $68.94 | June 1, 2031 | 4,334 | Acquired |
| May 1, 2020 | FATE | Stock Option (right to buy) | Common Stock | $26.59 | May 1, 2030 | 16,000 | Acquired |
| May 8, 2019 | ATYR | Stock Option (right to buy) | Common Stock | $0.58 | May 8, 2029 | 20,000 | Acquired |
| May 3, 2019 | FATE | Stock Option (right to buy) | Common Stock | $17.15 | May 3, 2029 | 16,000 | Acquired |
| May 15, 2018 | ATYR | Stock Option (right to buy) | Common Stock | $1.35 | May 15, 2028 | 20,000 | Acquired |
| May 2, 2018 | FATE | Stock Option (right to buy) | Common Stock | $9.78 | May 2, 2028 | 16,000 | Acquired |
| Jan. 2, 2018 | ATYR | Stock Option (right to buy) | Common Stock | $3.80 | Jan. 2, 2028 | 32,000 | Acquired |
| Aug. 31, 2017 | ATYR | Warrant to Purchase Common Stock | Common Stock | $4.64 | Dec. 31, 2019 | 14,151 | Acquired |
| June 15, 2017 | EDIT | Stock Option (right to buy) | Common Stock | $15.63 | June 14, 2027 | 11,538 | Acquired |
| Feb. 7, 2017 | ATYR | Employee Stock Option (right to buy) | Common Stock | $3.30 | March 7, 2027 | 185,000 | Acquired |
| Feb. 3, 2016 | EDIT | Stock Option (right to buy) | Common Stock | $16.00 | Feb. 2, 2026 | 96,153 | Acquired |
| Jan. 27, 2016 | ATYR | Employee Stock Option (right to buy) | Common Stock | $6.14 | Jan. 27, 2026 | 135,000 | Acquired |
| Jan. 4, 2016 | ATYR | Employee Stock Option (right to buy) | Common Stock | $9.13 | · | 148,732 | Acquired |
| Oct. 1, 2015 | ATYR | Employee Stock Option (right to buy) | Common Stock | $10.24 | · | 65,070 | Acquired |
| Oct. 1, 2015 | ATYR | Employee Stock Option (right to buy) | Common Stock | $10.24 | Oct. 1, 2025 | 71,000 | Acquired |
| May 13, 2015 | FATE | Stock Option (right to buy | Common Stock | $7.08 | May 12, 2025 | 10,000 | Acquired |
| May 12, 2015 | ATYR | Series D Redeemable Convertible Preferred Stock | Common Stock | · | · | 21,122 | Disposed |
| May 12, 2015 | ATYR | Series C Redeemable Convertible Preferred Stock | Common Stock | · | · | 170,218 | Disposed |
| May 6, 2015 | ATYR | Stock Option (right to buy) | Common Stock | $14.00 | May 6, 2025 | 163,437 | Acquired |
| June 6, 2014 | FATE | Stock Option (right to buy) | Common Stock | $6.71 | June 5, 2024 | 10,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 18 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 7, 2018 | MRNA | Common Stock | 806,154 | Direct |
| Dec. 7, 2018 | MRNA | Stock Option (Right to Buy) | 23,853 | Direct |
| Dec. 7, 2018 | MRNA | Stock Option (Right to Buy) | 9,263 | Direct |
| Dec. 7, 2018 | MRNA | Stock Option (Right to Buy) | 42,201 | Direct |
| Dec. 7, 2018 | MRNA | Stock Option (Right to Buy) | 2,981,651 | Direct |
| Feb. 2, 2016 | EDIT | No securities are beneficially owned | 0 | Direct |
| May 6, 2015 | ATYR | Common Stock | · | Direct |
| May 6, 2015 | ATYR | Series C Redeemable Convertible Preferred Stock | 170,218 | Direct |
| May 6, 2015 | ATYR | Series D Redeemable Convertible Preferred Stock | 21,122 | Direct |
| May 6, 2015 | ATYR | Stock Option (right to buy) | 50,979 | Direct |
| May 6, 2015 | ATYR | Stock Option (right to buy) | 42,228 | Direct |
| May 6, 2015 | ATYR | Stock Option (right to buy) | 137,871 | Direct |
| May 6, 2015 | ATYR | Stock Option (right to buy) | 119,214 | Direct |
| May 6, 2015 | ATYR | Stock Option (right to buy) | 25,144 | Direct |
| May 6, 2015 | ATYR | Stock Option (right to buy) | 125,720 | Direct |
| Sept. 30, 2013 | FATE | Common Stock | 140,107 | Direct |
| Sept. 30, 2013 | FATE | Stock Option (right to buy) | 31,562 | Direct |
| Sept. 30, 2013 | FATE | Stock Option (right to buy) | 28,461 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2017 | $518,167 | · | · | $2,412,378 | $165,750 | · | $20,603 | $3,116,898 |
| 2016 | $494,700 | · | · | $865,816 | $192,933 | · | $16,028 | $1,569,477 |
| 2015 | $472,750 | · | · | $3,231,371 | $210,374 | · | $14,076 | $3,928,571 |
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2018 | $500,000 | $400,000 | · | · | · | · | $8,533 | $26,163,117 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.