SEC Form 4 · accession 0001193125-26-291059
Septerna, Inc. · SEPN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Samira Shaikhly
Officer — Chief People Officer
Period of report
Jun 29, 2026
Accepted (ET)
Jun 30, 2026 · 7:01 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001984086
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jun 29, 2026 | M | 2,178 | $6.81 | A | 2,971 | D | |
| Common Stock | Jun 29, 2026 | S | 2,178 | $35.18 | D | 793 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F2 | $6.81 | Jun 29, 2026 | M | 2,178 | D | — | Sep 22, 2034 | Common Stock | 2,178 | 20,865 | D |
Explanation of responses
- F1This transaction was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on October 31, 2025.
- F21/48th of the shares subject to such option vest and become exercisable in substantially equal monthly installments on each monthly anniversary of October 28, 2024, subject to the Reporting Person's continuous service to the Issuer on each such date.