Long Daniel D. (CIK 2040349) reported 14 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-03). Recent activity: Buy SEPN (3,333 shares), Sell SEPN (3,333 shares), Buy SEPN (1,816 shares), Buy SEPN (1,518 shares), Sell SEPN (1,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-03 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Buy | 3,333 | $9,199 |
| 2026-09-03 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Sell | 3,333 | $126,078 |
| 2026-08-05 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Buy | 1,816 | $5,012 |
| 2026-08-05 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Buy | 1,518 | $4,190 |
| 2026-08-05 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Sell | 1,000 | $33,976 |
| 2026-08-05 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Sell | 2,334 | $80,944 |
| 2026-07-02 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Buy | 3,333 | $9,199 |
| 2026-07-02 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Sell | 2,100 | $71,602 |
| 2026-07-02 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Sell | 1,233 | $42,926 |
| 2026-06-24 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Buy | 10,529 | $29,060 |
| 2026-06-24 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Buy | 4,471 | $52,311 |
| 2026-06-24 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Sell | 8,000 | $280,800 |
| 2026-06-24 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Sell | 7,000 | $251,790 |
| 2025-11-13 | Septerna, Inc. (SEPN) | SVP, Drug Discovery | Sell | 3,501 | $63,228 |
Source: SEC Form 4 filings · as of 2026-09-03