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SEPN insider trading

Septerna, Inc. — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
9
Bought · 24 mo
$94.0M
Buys · last 90 days
0 · $0
Most recent buy
2025-03-10

Cluster buy detected

4 insiders bought SEPN within a short window (2025-02-19→2025-03-07), $7.2M in total — cluster score 82/100. Members see the buyers, the score breakdown and the chart.

See the cluster

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-08-14Kolchinsky Peter
Director · 10% owner
Sold1,493,000$42.50$63.5M
2026-08-14TRV GP V, LLC
10% owner
Sold147,059$50.27$7.4M
2026-08-13Bhatt Elizabeth
President and COO
Sold25,000$44.00$1.1M
2026-03-04Shaikhly Samira
Chief People Officer
Sold66,363$28.14$1.9M
2025-03-10Ezekowitz Alancluster
Director
Bought13,319$6.93$92k
2025-03-06Ezekowitz Alancluster
Director
Bought86,681$5.95$516k
2025-02-27Finer Jeffreycluster
CEO and President
Bought17,000$5.71$97k
2025-02-27Labrucherie Gil Mcluster
Chief Financial Officer
Bought10,000$5.69$57k
2025-02-26TRV GP V, LLCcluster
10% owner
Bought18,861$6.00$113k
2025-02-24TRV GP V, LLCcluster
10% owner
Bought1,040,342$5.93$6.2M
2025-02-21Labrucherie Gil Mcluster
Chief Financial Officer
Bought30,000$5.75$172k
2024-10-30Kolchinsky Peter
Director · 10% owner
Bought4,170,000$18.00$75.1M
2024-10-28TRV GP V, LLC
10% owner
Bought650,000$18.00$11.7M

Most active insider buyers

InsiderRoleBuysTotal bought
Kolchinsky PeterDirector · 10% owner1$75.1M
TRV GP V, LLC10% owner3$18.0M
Ezekowitz AlanDirector2$608k
Labrucherie Gil MChief Financial Officer2$229k
Finer JeffreyCEO and President1$97k

See SEPN on the chart

Every insider buy and sell for SEPN plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

Open the browserFree sample
Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.