Klein Uwe
SEC insider (Form 3/4/5 filer). CIK 0002040350. SVP, Biological Sciences at Septerna, Inc. (SEPN). 5 reported Form 4/5 transactions since Sep 2024; latest on Feb 6, 2026. Located in SOUTH SAN FRANCISCO, CA.
Companies Klein Uwe has filed insider reports for
- Septerna, Inc. (SEPN): Officer, SVP, Biological Sciences
Klein Uwe
CIK: 0002040350
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)3 (60.0%)
Derivative conversions
Awards (A)2 (40.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
SEPN
Septerna, Inc.
Officer
Discretionary Trading P&L
Holdings
Transaction History (5 total)
- Feb 6, 2026SEPN
Septerna, Inc.
AwardDirectStock Option (Right to Buy)
80K shares- - Aug 18, 2025SEPN
Septerna, Inc.
ExerciseDirect10.5K shares at avg. $2.76$29K - Aug 18, 2025SEPN
Septerna, Inc.
ExerciseDirect4.9K shares at avg. $2.76$14K - Aug 18, 2025SEPN
Septerna, Inc.
ExerciseDirect7.6K shares at avg. $6.81$52K - Aug 7, 2025SEPN
Septerna, Inc.
AwardDirectStock Option (Right to Buy)
30K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Feb 6, 2026 | SEPN Septerna, Inc. | Award Stock Option (Right to Buy) | 80,000 | - | - | Direct |
| Aug 18, 2025 | SEPN Septerna, Inc. | Exercise | 10,452 | $2.76 | $28,848 | Direct |
| Aug 18, 2025 | SEPN Septerna, Inc. | Exercise | 4,935 | $2.76 | $13,621 | Direct |
| Aug 18, 2025 | SEPN Septerna, Inc. | Exercise | 7,621 | $6.81 | $51,899 | Direct |
| Aug 7, 2025 | SEPN Septerna, Inc. | Award Stock Option (Right to Buy) | 30,000 | - | - | Direct |
1-5 of 5 transactions