SEC Form 4 · accession 0001193125-26-349810
Septerna, Inc. · SEPN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Elizabeth Bhatt
Officer — President and COO
Period of report
Aug 11, 2026
Accepted (ET)
Aug 13, 2026 · 7:00 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 | Aug 11, 2026 | M | 18,681 | $6.81 | A | 192,890 | D | |
| Common Stock | Aug 11, 2026 | M | 6,319 | $2.76 | A | 199,209 | D | |
| Common Stock | Aug 11, 2026 | S | 25,000 | $44.00 | D | 174,209 | 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 | Aug 11, 2026 | M | 18,681 | D | — | Sep 22, 2034 | Common Stock | 18,681 | 62,230 | D |
| Stock Option (Right to Buy)F3 | $2.76 | Aug 11, 2026 | M | 6,319 | D | — | Nov 11, 2033 | Common Stock | 6,319 | 82,332 | D |
Explanation of responses
- F1This transaction was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on October 20, 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.
- F31/48th of the shares subject to such option 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.