Septerna, Inc. (SEPN) Insider Trading
Directors, officers and holders of more than 10% of SEPN report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 130 transactions on file: 0 with code P, 20 with code S and 30 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | Bhatt Elizabeth | President and COO | S Sale | 2,906 | $37.61 | $109,307 |
| Oct 15, 2026 | Bhatt Elizabeth | President and COO | M Exercise | 4,000 | Not measured | Not measured |
| Oct 15, 2026 | Bhatt Elizabeth | President and COO | M Exercise | 4,000 | $6.81 | $27,240 |
| Oct 15, 2026 | Bhatt Elizabeth | President and COO | S Sale | 1,094 | $36.87 | $40,337 |
| Sep 8, 2026 | Patni Rajiv | Chief Medical Officer | A Award | 275,000 | Not measured | Not measured |
| Sep 1, 2026 | Long Daniel D. | SVP, Drug Discovery | S Sale | 3,333 | $37.83 | $126,078 |
| Sep 1, 2026 | Long Daniel D. | SVP, Drug Discovery | M Exercise | 3,333 | Not measured | Not measured |
| Sep 1, 2026 | Long Daniel D. | SVP, Drug Discovery | M Exercise | 3,333 | $2.76 | $9,199 |
| Aug 12, 2026 | RA CAPITAL MANAGEMENT, L.P. | Director | S Sale | 746,500 | $42.50 | $31,726,250 |
| Aug 12, 2026 | Third Rock Ventures V, L.P. | 10% Owner | S Sale | 147,059 | $50.27 | $7,392,656 |
| Aug 12, 2026 | RA CAPITAL MANAGEMENT, L.P. | Director | S Sale | 746,500 | $42.50 | $31,726,250 |
| Aug 12, 2026 | Third Rock Ventures V, L.P. | 10% Owner | S Sale | 141 | $51.08 | $7,202 |
| Aug 11, 2026 | Bhatt Elizabeth | President and COO | M Exercise | 18,681 | Not measured | Not measured |
| Aug 11, 2026 | Bhatt Elizabeth | President and COO | M Exercise | 6,319 | Not measured | Not measured |
| Aug 11, 2026 | Bhatt Elizabeth | President and COO | S Sale | 25,000 | $44.00 | $1,100,000 |
| Aug 11, 2026 | Bhatt Elizabeth | President and COO | M Exercise | 6,319 | $2.76 | $17,440 |
| Aug 11, 2026 | Bhatt Elizabeth | President and COO | M Exercise | 18,681 | $6.81 | $127,218 |
| Aug 3, 2026 | Long Daniel D. | SVP, Drug Discovery | M Exercise | 1,518 | Not measured | Not measured |
| Aug 3, 2026 | Long Daniel D. | SVP, Drug Discovery | M Exercise | 1,816 | $2.76 | $5,012 |
| Aug 3, 2026 | Long Daniel D. | SVP, Drug Discovery | M Exercise | 1,518 | $2.76 | $4,190 |
| Aug 3, 2026 | Long Daniel D. | SVP, Drug Discovery | S Sale | 1,000 | $33.98 | $33,976 |
| Aug 3, 2026 | Long Daniel D. | SVP, Drug Discovery | S Sale | 2,334 | $34.68 | $80,944 |
| Aug 3, 2026 | Long Daniel D. | SVP, Drug Discovery | M Exercise | 1,816 | Not measured | Not measured |
| Jul 15, 2026 | Bhatt Elizabeth | President and COO | S Sale | 4,000 | $33.99 | $135,974 |
| Jul 15, 2026 | Bhatt Elizabeth | President and COO | M Exercise | 4,000 | $6.81 | $27,240 |
| Jul 15, 2026 | Bhatt Elizabeth | President and COO | M Exercise | 4,000 | Not measured | Not measured |
| Jul 1, 2026 | Long Daniel D. | SVP, Drug Discovery | M Exercise | 3,333 | Not measured | Not measured |
| Jul 1, 2026 | Long Daniel D. | SVP, Drug Discovery | S Sale | 1,233 | $34.81 | $42,926 |
| Jul 1, 2026 | Long Daniel D. | SVP, Drug Discovery | S Sale | 2,100 | $34.10 | $71,602 |
| Jul 1, 2026 | Long Daniel D. | SVP, Drug Discovery | M Exercise | 3,333 | $2.76 | $9,199 |
| Jun 22, 2026 | Long Daniel D. | SVP, Drug Discovery | M Exercise | 10,529 | Not measured | Not measured |
| Jun 22, 2026 | Long Daniel D. | SVP, Drug Discovery | M Exercise | 4,471 | Not measured | Not measured |
| Jun 22, 2026 | Long Daniel D. | SVP, Drug Discovery | S Sale | 8,000 | $35.10 | $280,801 |
| Jun 22, 2026 | Long Daniel D. | SVP, Drug Discovery | M Exercise | 4,471 | $11.70 | $52,311 |
| Jun 22, 2026 | Long Daniel D. | SVP, Drug Discovery | M Exercise | 10,529 | $2.76 | $29,060 |
| Jun 22, 2026 | Long Daniel D. | SVP, Drug Discovery | S Sale | 7,000 | $35.97 | $251,781 |
| Jun 12, 2026 | Shaikhly Samira | Chief People Officer | M Exercise | 6,250 | Not measured | Not measured |
| Jun 12, 2026 | Shaikhly Samira | Chief People Officer | S Sale | 6,250 | $35.08 | $219,224 |
| Jun 12, 2026 | Shaikhly Samira | Chief People Officer | M Exercise | 6,250 | $11.70 | $73,125 |
| Jun 1, 2026 | Shaikhly Samira | Chief People Officer | M Exercise | 4,355 | Not measured | Not measured |
| Jun 1, 2026 | Shaikhly Samira | Chief People Officer | M Exercise | 637 | Not measured | Not measured |
| Jun 1, 2026 | Shaikhly Samira | Chief People Officer | M Exercise | 943 | Not measured | Not measured |
| Jun 1, 2026 | Shaikhly Samira | Chief People Officer | S Sale | 2,889 | $29.66 | $85,696 |
| Jun 1, 2026 | Shaikhly Samira | Chief People Officer | S Sale | 1,346 | $28.79 | $38,755 |
| Jun 1, 2026 | Shaikhly Samira | Chief People Officer | S Sale | 1,700 | $27.78 | $47,231 |
| Jun 1, 2026 | Shaikhly Samira | Chief People Officer | M Exercise | 637 | $2.76 | $1,758 |
| Jun 1, 2026 | Shaikhly Samira | Chief People Officer | M Exercise | 943 | $2.76 | $2,603 |
| Jun 1, 2026 | Shaikhly Samira | Chief People Officer | M Exercise | 4,355 | $1.55 | $6,750 |
| May 26, 2026 | Shaikhly Samira | Chief People Officer | M Exercise | 11,798 | Not measured | Not measured |
| May 26, 2026 | Shaikhly Samira | Chief People Officer | S Sale | 11,798 | $30.06 | $354,656 |
The full Form 4 history is on the SEPN company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.