Martin Christopher Nathan
SEC insider (Form 3/4/5 filer). CIK 0002097992. Director at ACHIEVE LIFE SCIENCES, INC. (ACHV) and 2 other issuers. 7 reported Form 4/5 transactions since Sep 2024; latest on Jul 27, 2026. Located in BOTHELL, WA.
Companies Martin Christopher Nathan has filed insider reports for
- ACHIEVE LIFE SCIENCES, INC. (ACHV): Director
- Edgewise Therapeutics, Inc. (EWTX): Director
- Oruka Therapeutics, Inc. (ORKA): Director
Martin Christopher Nathan
CIK: 0002097992
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 (7 total)
- Jul 27, 2026ACHV
ACHIEVE LIFE SCIENCES, INC.
AwardDirectRestricted Stock Unit (RSU)
16.7K shares- - Jul 27, 2026ACHV
ACHIEVE LIFE SCIENCES, INC.
AwardDirectStock Option (right to buy)
25K shares- - Jun 5, 2026EWTX
Edgewise Therapeutics, Inc.
AwardDirectStock Options (Right to buy)
16.4K shares- - Jun 2, 2026ORKA
Oruka Therapeutics, Inc.
AwardDirectStock Option (right to buy)
9.1K shares- - May 11, 2026ACHV
ACHIEVE LIFE SCIENCES, INC.
AwardDirectStock Option (right to buy)
47.3K shares- - Dec 11, 2025ORKA
Oruka Therapeutics, Inc.
AwardDirectStock Option (right to buy)
35K shares- - Nov 19, 2025EWTX
Edgewise Therapeutics, Inc.
AwardDirectStock Options (Right to buy)
45.2K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 27, 2026 |  ACHV ACHIEVE LIFE SCIENCES, INC. | Award Restricted Stock Unit (RSU) | 16,700 | - | - | Direct |
| Jul 27, 2026 | ACHV ACHIEVE LIFE SCIENCES, INC. | Award Stock Option (right to buy) | 25,000 | - | - | Direct |
| Jun 5, 2026 |  EWTX Edgewise Therapeutics, Inc. | Award Stock Options (Right to buy) | 16,377 | - | - | Direct |
| Jun 2, 2026 |  ORKA Oruka Therapeutics, Inc. | Award Stock Option (right to buy) | 9,136 | - | - | Direct |
| May 11, 2026 | ACHV ACHIEVE LIFE SCIENCES, INC. | Award Stock Option (right to buy) | 47,250 | - | - | Direct |
| Dec 11, 2025 | ORKA Oruka Therapeutics, Inc. | Award Stock Option (right to buy) | 35,000 | - | - | Direct |
| Nov 19, 2025 | EWTX Edgewise Therapeutics, Inc. | Award Stock Options (Right to buy) | 45,150 | - | - | Direct |
1-7 of 7 transactions