SEPN
Septerna, Inc.
Latest Form 4:Sale$126KbyLong Daniel D. (SVP, Drug Discovery) · filed Sep 3, 2026
Septerna, Inc. (SEPN) has 16 SEC Form 4 filings (47 transaction rows) in the rolling window, disclosed by 5 distinct insiders. Most recent filing: Sep 3, 2026.
Inside the rolling window, 5 insiders at Septerna, Inc. reported no open-market purchases and 16 open-market sales totaling $44.3M. The most active filer is SVP, Drug Discovery Long Daniel D. with 5 filings. Insiders have net sold $42.2M over the trailing 6 months. The most recent open-market filing is a sale of 3,333 shares by SVP, Drug Discovery Long Daniel D., dated Sep 1, 2026, worth $126K.
- Industry:Biotechnology
- CEO:Jeffrey T. Finer
- Employees:123
- HQ:South San Francisco, CA, US
- IPO:2024-10-25
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$44.3M
reported sales (SEC code S)
Unique Insiders
5
in the rolling window
Market Cap
$1.7B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| SVP, Drug Discovery | Sale | 3,333 | $126K | Sep 3 | SEC ↗ | |
| 10% Owner | Sale | 147,200 | $7.4M | Aug 14 | SEC ↗ | |
| Director, 10% Owner | Sale | 746,500 | $31.7M | Aug 14 | SEC ↗ | |
| President and COO | Sale | 25,000 | $1.1M | Aug 13 | SEC ↗ | |
| SVP, Drug Discovery | Sale | 3,334 | $115K | Aug 5 | SEC ↗ | |
Bhatt ElizabethFirst in 3 months | President and COO | Sale | 4,000 | $136K | Jul 17 | SEC ↗ |
| SVP, Drug Discovery | Sale | 3,333 | $115K | Jul 2 | SEC ↗ | |
| Chief People Officer | Sale | 2,178 | $77K | Jun 30 | SEC ↗ | |
Long Daniel D.First in 7 months | SVP, Drug Discovery | Sale | 15,000 | $533K | Jun 24 | SEC ↗ |
| Chief People Officer | Sale | 6,250 | $219K | Jun 17 | SEC ↗ | |
| Chief People Officer | Sale | 5,935 | $172K | Jun 3 | SEC ↗ | |
| Chief People Officer | Sale | 11,798 | $355K | May 28 | SEC ↗ | |
| President and COO | Sale | 4,000 | $97K | Apr 17 | SEC ↗ | |
Shaikhly SamiraFirst filing | Chief People Officer | Sale | 70,453 | $2.0M | Mar 4 | SEC ↗ |
Bhatt ElizabethFirst filing | President and COO | Sale | 4,000 | $116K | Feb 20 | SEC ↗ |
Long Daniel D.First filing | SVP, Drug Discovery | Sale | 3,501 | $63K | Nov 13 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does SEPN have?
Septerna, Inc. (SEPN) has 16 SEC Form 4 filings (47 transaction rows) in the rolling 365-day window, disclosed by 5 distinct insiders. Most recent filing: Sep 3, 2026.
When was the most recent SEC Form 4 filing for SEPN?
The most recent Form 4 filing for SEPN on Tracefour is dated Sep 3, 2026.
Who is the most active insider at SEPN?
The most active SEC Form 4 filer at SEPN in the rolling window is SVP, Drug Discovery Long Daniel D., with 5 filings.
What is the net insider flow at SEPN over the last 6 months?
Over the trailing 180 days, insiders at SEPN have net sold $42.2M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at SEPN in the current window?
Inside the rolling window, insiders at SEPN bought $0 and sold $44.3M based on SEC Form 4 filings.
Can I get alerts for SEPN insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Septerna, Inc. (SEPN). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Septerna, Inc. is in the Healthcare sector.