Mark Eisner
Insider
First SEC filing: June 3, 2024 · Latest: June 3, 2024
Insider at
Insider transactions
0 buys (P)
3 sells (S)
Net: $-49,513
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 25, 2026 | JBIO | A | 47,675 | · | · | 47,675 Direct | · | Acquired | (price as of 2026-10-02) |
| June 17, 2026 | ZURA | A | 51,000 | · | · | 51,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | VIR | S 10b5-1 | 1,889 | $9.82 | $18,550 | 154,024 Direct | -1.21% | Disposed | 13.7% (price as of 2026-10-02) |
| Feb. 24, 2026 | VIR | S 10b5-1 | 1,616 | $9.53 | $15,400 | 155,913 Direct | -1.03% | Disposed | 17.2% (price as of 2026-10-02) |
| Feb. 23, 2026 | VIR | S 10b5-1 | 2,089 | $7.45 | $15,563 | 157,529 Direct | -1.31% | Disposed | 49.9% (price as of 2026-10-02) |
| Feb. 22, 2026 | VIR | A | 55,000 | · | · | 159,618 Direct | +52.57% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2026 | VIR | A | 110,000 | · | · | 110,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2026 | ZURA | A | 37,812 | · | · | 37,812 Direct | · | Acquired | (price as of 2026-10-02) |
| July 17, 2025 | VIR | S 10b5-1 | 3,586 | $5.47 | $19,615 | 104,618 Direct | -3.31% | Disposed | 104.2% (price as of 2026-10-02) |
| July 15, 2025 | VIR | S | 6,796 | $5.47 | $37,174 | 108,204 Direct | -5.91% | Disposed | 104.2% (price as of 2026-10-02) |
| Feb. 22, 2025 | VIR | A | 40,000 | · | · | 115,000 Direct | +53.33% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2025 | VIR | A 10b5-1 | 80,000 | · | · | 80,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 15, 2024 | VIR | A | 150,000 | · | · | 150,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 15, 2024 | VIR | A | 75,000 | · | · | 75,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 6, 2023 | KYNB | F | 1,860 | $0.96 | $1,786 | 159,917 Direct | -1.15% | Disposed | -73.7% (price as of 2026-10-02) |
| Sept. 1, 2023 | KYNB | F | 1,085 | $1.06 | $1,150 | 161,777 Direct | -0.67% | Disposed | -76.2% (price as of 2026-10-02) |
| June 7, 2023 | KYNB | S | 2,042 | $17.04 | $34,796 | 162,862 Direct | -1.24% | Disposed | -98.5% (price as of 2026-10-02) |
| June 2, 2023 | KYNB | S | 1,090 | $18.83 | $20,525 | 164,904 Direct | -0.66% | Disposed | -98.7% (price as of 2026-10-02) |
| April 4, 2023 | KYNB | S | 9,182 | $18.78 | $172,438 | 165,994 Direct | -5.24% | Disposed | -98.7% (price as of 2026-10-02) |
| March 10, 2023 | KYNB | S | 6,255 | $20.20 | $126,351 | 175,176 Direct | -3.45% | Disposed | -98.8% (price as of 2026-10-02) |
| March 10, 2023 | KYNB | S | 3,885 | $20.20 | $78,477 | 181,431 Direct | -2.10% | Disposed | -98.8% (price as of 2026-10-02) |
| March 8, 2023 | KYNB | A | 12,451 | · | · | 185,316 Direct | +7.20% | Acquired | (price as of 2026-10-02) |
| March 8, 2023 | KYNB | A | 7,732 | · | · | 172,865 Direct | +4.68% | Acquired | (price as of 2026-10-02) |
| March 8, 2023 | KYNB | S | 7,363 | $21.16 | $155,801 | 165,133 Direct | -4.27% | Disposed | -98.8% (price as of 2026-10-02) |
| March 2, 2023 | KYNB | S | 1,187 | $21.87 | $25,960 | 172,496 Direct | -0.68% | Disposed | -98.8% (price as of 2026-10-02) |
| Feb. 21, 2023 | KYNB | A | 55,000 | · | · | 55,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2023 | KYNB | A | 32,500 | · | · | 173,683 Direct | +23.02% | Acquired | (price as of 2026-10-02) |
| Dec. 1, 2022 | KYNB | F | 1,084 | $15.04 | $16,303 | 141,183 Direct | -0.76% | Disposed | -98.3% (price as of 2026-10-02) |
| Sept. 30, 2022 | KYNB | F | 6,777 | $13.01 | $88,169 | 142,267 Direct | -4.55% | Disposed | -98.1% (price as of 2026-10-02) |
| Sept. 1, 2022 | KYNB | F | 756 | $13.09 | $9,896 | 149,044 Direct | -0.50% | Disposed | -98.1% (price as of 2026-10-02) |
| June 1, 2022 | KYNB | F | 1,141 | $9.61 | $10,965 | 149,800 Direct | -0.76% | Disposed | -97.4% (price as of 2026-10-02) |
| March 31, 2022 | KYNB | F | 6,442 | $12.02 | $77,433 | 150,941 Direct | -4.09% | Disposed | -97.9% (price as of 2026-10-02) |
| March 1, 2022 | KYNB | F | 756 | $13.62 | $10,297 | 157,383 Direct | -0.48% | Disposed | -98.1% (price as of 2026-10-02) |
| Feb. 14, 2022 | KYNB | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2022 | KYNB | A | 60,000 | · | · | 158,139 Direct | +61.14% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2022 | KYNB | F | 7,043 | $14.82 | $104,377 | 98,139 Direct | -6.70% | Disposed | -98.3% (price as of 2026-10-02) |
| Dec. 1, 2021 | KYNB | F | 4,338 | $12.65 | $54,876 | 105,182 Direct | -3.96% | Disposed | -98.0% (price as of 2026-10-02) |
| Oct. 4, 2021 | KYNB | A | 74,520 | · | · | 109,520 Direct | +212.91% | Acquired | (price as of 2026-10-02) |
| Oct. 4, 2021 | KYNB | A | 44,520 | · | · | 44,520 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 1, 2020 | KYNB | A | 80,000 | · | · | 80,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 1, 2020 | KYNB | A | 35,000 | · | · | 35,000 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 |
|---|---|---|---|---|---|---|---|
| June 25, 2026 | JBIO | Stock Option (Right to Buy) | Common Stock | $21.81 | June 24, 2036 | 47,675 | Acquired |
| June 17, 2026 | ZURA | Share Option (Right to Buy) | Class A Ordinary Shares | $3.62 | June 17, 2036 | 51,000 | Acquired |
| Feb. 22, 2026 | VIR | Stock Option (Right to Buy) | Common Stock | $7.56 | Feb. 21, 2036 | 110,000 | Acquired |
| Feb. 21, 2026 | ZURA | Share Option (Right to Buy) | Class A Ordinary Shares | $6.53 | Feb. 21, 2036 | 37,812 | Acquired |
| Feb. 22, 2025 | VIR | Stock Option (Right to Buy) | Common Stock | $9.57 | Feb. 21, 2035 | 80,000 | Acquired |
| July 15, 2024 | VIR | Stock Option (Right to Buy) | Common Stock | $9.37 | July 14, 2034 | 150,000 | Acquired |
| Feb. 21, 2023 | KYNB | Stock Option (Right to Buy) | Common Stock | $22.60 | Feb. 20, 2033 | 55,000 | Acquired |
| Feb. 14, 2022 | KYNB | Stock Option (Right to Buy) | Common Stock | $15.60 | Feb. 13, 2032 | 100,000 | Acquired |
| Oct. 4, 2021 | KYNB | Stock Option (Right to Buy) | Common Stock | $9.93 | Oct. 4, 2031 | 44,520 | Acquired |
| Dec. 1, 2020 | KYNB | Stock Option (Right to Buy) | Common Stock | $41.25 | Dec. 1, 2030 | 80,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
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 |
|---|---|---|---|---|---|---|---|---|
| 2023 | · | · | · | · | · | · | $51,212 | $3,192,545 |
| 2022 | · | · | · | · | $304,243 | · | $58,710 | $4,080,708 |
| 2021 | $600,000 | $1,000,000 | $739,984 | $1,157,212 | $218,100 | · | $52,310 | $3,767,606 |
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $660,833 | $375,000 | $382,800 | $584,560 | $354,291 | · | $14,000 | $2,371,484 |
| 2024 | $379,167 | $375,000 | $702,750 | $1,075,095 | $221,130 | · | $3,123 | $2,756,265 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.