SEPN insider buying – Septerna, Inc.
9 insider purchases since 2016 worth $94.0M by 6 different insiders. Last 12 months: 0 purchases, $0. Most recent filing: 2025-03-10.
Mid company Public float $363M (latest 10-K, SEC).
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| Shah Rajeev M. Director | $75.1M 1× · 4,170,000 sh | 2024-10-28 2024-10-28 | 1× · $63.5M last 2026-08-12 | 725,443 shares as of 2026-08-14 | Sold part |
| TRV GP V, LLC 10% Owner | $11.7M 1× · 650,000 sh | 2024-10-28 2024-10-28 | – | 18,086,094 shares as of 2024-10-28 | Holds - never sold |
| Third Rock Ventures GP V, LP 10% Owner | $6.3M 2× · 1,059,203 sh | 2025-02-20 2025-02-24 | – | 10,427,250 shares as of 2025-02-26 | Holds - never sold |
| Ezekowitz Alan Director | $608,199 2× · 100,000 sh | 2025-03-04 2025-03-07 | 1× · $3.9M last 2026-11-11 | 117,420 shares as of 2025-03-10 | Sold part |
| Labrucherie Gil M CFO | $229,232 2× · 40,000 sh | 2025-02-19 2025-02-25 | – | 40,000 shares as of 2025-02-27 | Holds - never sold |
| Finer Jeffrey CEO | $97,000 1× · 17,000 sh | 2025-02-25 2025-02-25 | – | 821,907 shares as of 2025-04-04 | Holds - never sold |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 0 | – | – | 15 | $72.5M |
| 2025 | 7 | $7.2M | 4 | 1 | $63,228 |
| 2024 | 2 | $86.8M | 2 | – | – |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2025-03-10 | Ezekowitz Alan | Director | 13,319 | $6.93 | $92,301 | +12.8% | SEC |
| 2025-03-06 | Ezekowitz Alan | Director | 86,681 | $5.95 | $515,898 | +497.6% | SEC |
| 2025-02-27 | Labrucherie Gil M | CFO | 10,000 | $5.69 | $56,867 | +33.3% | SEC |
| 2025-02-27 | Finer Jeffrey | CEO | 17,000 | $5.71 | $97,000 | +2.3% | SEC |
| 2025-02-26 | Third Rock Ventures GP V, LP | 10% Owner | 18,861 | $6.00 | $113,166 | +0.4% | SEC |
| 2025-02-24 | Third Rock Ventures GP V, LP | 10% Owner | 1,040,342 | $5.93 | $6.2M | +33.0% | SEC |
| 2025-02-21 | Labrucherie Gil M | CFO | 30,000 | $5.75 | $172,365 | SEC | |
| 2024-10-30 | Shah Rajeev M. | Director | 4,170,000 | $18.00 | $75.1M | +308.0% | SEC |
| 2024-10-28 | TRV GP V, LLC | 10% Owner | 650,000 | $18.00 | $11.7M | +11.7% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-11-13 | Ezekowitz Alan | Director | -81,820 | $48.09 | $3.9M | Pre-planned (10b5-1) | SEC |
| 2026-09-03 | Long Daniel D. | Officer | 3,333 | $37.83 | $126,087 | Sale | SEC |
| 2026-08-14 | Shah Rajeev M. | Director | 1,493,000 | $42.50 | $63.5M | Sale | SEC |
| 2026-08-13 | Bhatt Elizabeth | CEO | 25,000 | $44.00 | $1.1M | Sale | SEC |
| 2026-08-05 | Long Daniel D. | Officer | 3,334 | $34.47 | $114,923 | Sale | SEC |
| 2026-07-17 | Bhatt Elizabeth | CEO | 4,000 | $33.99 | $135,960 | Sale | SEC |
| 2026-07-02 | Long Daniel D. | Officer | 3,333 | $34.36 | $114,531 | Sale | SEC |
| 2026-06-30 | Shaikhly Samira | Officer | 2,178 | $35.18 | $76,622 | Sale | SEC |
| 2026-06-24 | Long Daniel D. | Officer | 15,000 | $35.51 | $532,590 | Sale | SEC |
| 2026-06-16 | Shaikhly Samira | Officer | 6,250 | $35.08 | $219,250 | Sale | SEC |
| 2026-06-03 | Shaikhly Samira | Officer | 5,935 | $28.92 | $171,665 | Sale | SEC |
| 2026-05-28 | Shaikhly Samira | Officer | 11,798 | $30.06 | $354,648 | Sale | SEC |
| 2026-04-17 | Bhatt Elizabeth | CEO | 4,000 | $24.34 | $97,354 | Sale | SEC |
| 2026-03-04 | Shaikhly Samira | Officer | 70,453 | $28.10 | $2.0M | Sale | SEC |
| 2026-02-20 | Bhatt Elizabeth | CEO | 4,000 | $28.96 | $115,856 | Sale | SEC |
Showing the latest 15 of 16 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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