Simson Jake
SEC insider (Form 3/4/5 filer). CIK 0001863094. Director at Janux Therapeutics, Inc. (JANX) and 4 other issuers. 9 reported Form 4/5 transactions since Sep 2024; latest on Jun 11, 2026. Located in CARLSBAD, CA.
Companies Simson Jake has filed insider reports for
- Janux Therapeutics, Inc. (JANX): Director
- Parabilis Medicines, Inc. (PBLS): Director
- Bicara Therapeutics Inc. (BCAX): Director
- Tyra Biosciences, Inc. (TYRA): Director
- Septerna, Inc. (SEPN): Director
Simson Jake
CIK: 0001863094
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (9 total)
- Jun 11, 2026JANX
Janux Therapeutics, Inc.
AwardDirect5.5K shares- - Jun 9, 2026PBLS
Parabilis Medicines, Inc.
AwardDirectStock Option (Right to Buy)
20.2K shares- - Jun 9, 2026BCAX
Bicara Therapeutics Inc.
AwardDirectStock Option (Right to Buy)
19.5K shares- - May 28, 2026TYRA
Tyra Biosciences, Inc.
AwardDirectStock Option (Right to Buy)
13.2K shares- - Jun 17, 2025SEPN
Septerna, Inc.
AwardDirectStock Option (Right to Buy)
16.6K shares- - Jun 11, 2025JANX
Janux Therapeutics, Inc.
AwardDirect3.8K shares- - Jun 9, 2025BCAX
Bicara Therapeutics Inc.
AwardDirectStock Option (Right to Buy)
23.7K shares- - May 29, 2025TYRA
Tyra Biosciences, Inc.
AwardDirectStock Option (Right to Buy)
22.2K shares- - Sep 12, 2024BCAX
Bicara Therapeutics Inc.
AwardDirectStock Option (Right to Buy)
23.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 11, 2026 |  JANX Janux Therapeutics, Inc. | Award | 5,500 | - | $0 | Direct |
| Jun 9, 2026 |  PBLS Parabilis Medicines, Inc. | Award Stock Option (Right to Buy) | 20,215 | - | - | Direct |
| Jun 9, 2026 |  BCAX Bicara Therapeutics Inc. | Award Stock Option (Right to Buy) | 19,475 | - | - | Direct |
| May 28, 2026 |  TYRA Tyra Biosciences, Inc. | Award Stock Option (Right to Buy) | 13,160 | - | - | Direct |
| Jun 17, 2025 |  SEPN Septerna, Inc. | Award Stock Option (Right to Buy) | 16,623 | - | - | Direct |
| Jun 11, 2025 | JANX Janux Therapeutics, Inc. | Award | 3,750 | - | - | Direct |
| Jun 9, 2025 | BCAX Bicara Therapeutics Inc. | Award Stock Option (Right to Buy) | 23,746 | - | - | Direct |
| May 29, 2025 | TYRA Tyra Biosciences, Inc. | Award Stock Option (Right to Buy) | 22,200 | - | - | Direct |
| Sep 12, 2024 | BCAX Bicara Therapeutics Inc. | Award Stock Option (Right to Buy) | 23,746 | - | - | Direct |
1-9 of 9 transactions