Jake Simson
Insider
First SEC filing: Oct. 24, 2024 · Latest: June 12, 2026
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 26, 2026 | SEPN | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 11, 2026 | JANX | A | 15,500 | · | · | 15,500 Direct | · | Acquired | (price as of 2026-10-02) |
| June 11, 2026 | JANX | A | 5,500 | · | · | 11,750 Direct | +88.00% | Acquired | (price as of 2026-10-02) |
| June 9, 2026 | PBLS | A | 20,215 | · | · | 20,215 Direct | · | Acquired | (price as of 2026-10-02) |
| June 9, 2026 | BCAX | A | 19,475 | · | · | 19,475 Direct | · | Acquired | (price as of 2026-10-02) |
| May 28, 2026 | TYRA | A | 13,160 | · | · | 13,160 Direct | · | Acquired | (price as of 2026-10-02) |
| June 17, 2025 | SEPN | A | 16,623 | · | · | 16,623 Direct | · | Acquired | (price as of 2026-10-02) |
| June 11, 2025 | JANX | A | 3,750 | · | · | 6,250 Direct | +150.00% | Acquired | (price as of 2026-10-02) |
| June 11, 2025 | JANX | A | 11,667 | · | · | 11,667 Direct | · | Acquired | (price as of 2026-10-02) |
| June 9, 2025 | BCAX | A | 23,746 | · | · | 23,746 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 12, 2024 | BCAX | A | 23,746 | · | · | 23,746 Direct | · | Acquired | (price as of 2026-10-02) |
| June 26, 2024 | JANX | A | 2,500 | · | · | 2,500 Direct | · | Acquired | (price as of 2026-10-02) |
| June 26, 2024 | JANX | A | 8,350 | · | · | 8,350 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2024 | TYRA | A | 18,600 | · | · | 18,600 Direct | · | Acquired | (price as of 2026-10-02) |
| June 14, 2023 | JANX | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-02) |
| May 31, 2023 | TYRA | A | 14,500 | · | · | 14,500 Direct | · | Acquired | (price as of 2026-10-02) |
| June 14, 2022 | JANX | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-02) |
| June 13, 2022 | TYRA | A | 14,500 | · | · | 14,500 Direct | · | Acquired | (price as of 2026-10-02) |
| June 10, 2021 | JANX | A | 30,000 | · | · | 30,000 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 26, 2026 | SEPN | Stock Option (Right to Buy) | Common Stock | $37.34 | June 25, 2036 | 15,000 | Acquired |
| June 11, 2026 | JANX | Stock Option (right to buy) | Common Stock | $13.66 | June 10, 2036 | 15,500 | Acquired |
| June 9, 2026 | PBLS | Stock Option (Right to Buy) | Common Stock | $20.00 | June 8, 2036 | 20,215 | Acquired |
| June 9, 2026 | BCAX | Stock Option (Right to Buy) | Common Stock | $20.56 | June 9, 2036 | 19,475 | Acquired |
| May 28, 2026 | TYRA | Stock Option (Right to Buy) | Common Stock | $32.68 | May 27, 2036 | 13,160 | Acquired |
| June 17, 2025 | SEPN | Stock Option (Right to Buy) | Common Stock | $10.24 | June 16, 2035 | 16,623 | Acquired |
| June 11, 2025 | JANX | Stock Option (right to buy) | Common Stock | $25.46 | June 10, 2035 | 11,667 | Acquired |
| June 9, 2025 | BCAX | Stock Option (Right to Buy) | Common Stock | $11.48 | June 9, 2035 | 23,746 | Acquired |
| Sept. 12, 2024 | BCAX | Stock Option (Right to Buy) | Common Stock | $18.00 | Sept. 12, 2034 | 23,746 | Acquired |
| June 26, 2024 | JANX | Stock Option (right to buy) | Common Stock | $39.80 | June 25, 2034 | 8,350 | Acquired |
| May 29, 2024 | TYRA | Stock Option (Right to Buy) | Common Stock | $15.94 | May 28, 2034 | 18,600 | Acquired |
| June 14, 2023 | JANX | Stock Option (right to buy) | Common Stock | $13.22 | June 13, 2033 | 12,500 | Acquired |
| May 31, 2023 | TYRA | Stock Option (Right to Buy) | Common Stock | $14.47 | May 30, 2033 | 14,500 | Acquired |
| June 14, 2022 | JANX | Stock Option (right to buy) | Common Stock | $10.73 | June 13, 2032 | 12,500 | Acquired |
| June 13, 2022 | TYRA | Stock Option (Right to Buy) | Common Stock | $5.38 | June 12, 2032 | 14,500 | Acquired |
| June 10, 2021 | JANX | Stock Option (right to buy) | Common Stock | $17.00 | June 9, 2031 | 30,000 | 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 |
|---|---|---|---|---|
| Oct. 24, 2024 | SEPN | Stock Option (Right to Buy) | 13,356 | Direct |