Form 4 for SEPN Septerna, Inc.
Accepted 2025-08-19 00:00:00 ET · period of report 2025-08-18 · accession 0000950170-25-110177 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-08-19 | 2025-08-18 | SEPN | Klein Uwe | SVP, Biological Sciences | M - OptEx | $4.10 | +23.0K | 15.4K | New | +$94.4K |
| DM | 2025-08-19 | 2025-08-18 | SEPN | Klein Uwe | SVP, Biological Sciences | M - OptEx | $0.00 | -23.0K | 10.5K | -69% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-08-18 | M | A | 10,452 | $2.76 | 10,452 | D | — | — | |
| 2 | Common | Common Stock | 2025-08-18 | M | A | 7,621 | $6.81 | 23,008 | D | — | — | |
| 3 | Common | Common Stock | 2025-08-18 | M | A | 4,935 | $2.76 | 15,387 | D | — | — | |
| 4 | Derivative | Stock Option (Right to Buy) | 2025-08-18 | M | D | 4,935 | $0.00 | 9,001 | D | $2.76 · — to 2034-03-19 | 4,935 Common Stock | (F3) 1/48th of the shares subject to such option shall vest and become exercisable in substantially equal monthly installments on each monthly anniversary of March 1, 2024, subject to the Reporting Person's continuous service to the Issuer on each such date. |
| 5 | Derivative | Stock Option (Right to Buy) | 2025-08-18 | M | D | 7,621 | $0.00 | 33,027 | D | $6.81 · — to 2034-09-22 | 7,621 Common Stock | (F4) 1/48th of the shares subject to such option shall vest and become exercisable in substantially equal monthly installments on each monthly anniversary of October 28, 2024, contingent upon the consummation of the Issuer's initial public offering, and subject to the Reporting Person's continuous service to the Issuer on each such date. |
| 6 | Derivative | Stock Option (Right to Buy) | 2025-08-18 | M | D | 10,452 | $0.00 | 10,453 | D | $2.76 · — to 2033-11-11 | 10,452 Common Stock | (F2) 1/48th of the shares subject to such option shall vest and become exercisable in substantially equal monthly installments on each monthly anniversary of August 1, 2023, subject to the Reporting Person's continuous service to the Issuer on each such date. |