Form 4 for SEPN Septerna, Inc.
Accepted 2026-08-13 19:00:04 ET · period of report 2026-08-11 · accession 0001193125-26-349810 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMT | 2026-08-13 19:00 | 2026-08-11 | SEPN | Bhatt Elizabeth | Pres, COO | M - OptEx | $5.79 | +25.0K | 199.2K | +14% | +$144.7K |
| DT | 2026-08-13 19:00 | 2026-08-11 | SEPN | Bhatt Elizabeth | Pres, COO | S - Sale+OE | $44.00 | -25.0K | 174.2K | -13% | -$1.10M |
| DMT | 2026-08-13 19:00 | 2026-08-11 | SEPN | Bhatt Elizabeth | Pres, COO | M - OptEx | $0.00 | -25.0K | 82.3K | -23% | $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 | 2026-08-11 | M | A | 18,681 | $6.81 | 192,890 | D | — | — | |
| 2 | Common | Common Stock | 2026-08-11 | M | A | 6,319 | $2.76 | 199,209 | D | — | — | |
| 3 | Common | Common Stock | 2026-08-11 | S | D | 25,000 | $44.00 | 174,209 | D | — | — | (F1) This transaction was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on October 20, 2025. |
| 4 | Derivative | Stock Option (Right to Buy) | 2026-08-11 | M | D | 18,681 | $0.00 | 62,230 | D | $6.81 · — to 2034-09-22 | 18,681 Common Stock | (F2) 1/48th 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. |
| 5 | Derivative | Stock Option (Right to Buy) | 2026-08-11 | M | D | 6,319 | $0.00 | 82,332 | D | $2.76 · — to 2033-11-11 | 6,319 Common Stock | (F3) 1/48th 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. |