Disclosure 0001193125-26-352692-1

SEC FORM 4

$7,392,655.93

Septerna, Inc. (SEPN)

Sale of 147,059 shares at $50.27 per share.

Reporting Persons Third Rock Ventures V, L.P. · Third Rock Ventures GP V, LP · TRV GP V, LLC · Third Rock Ventures VI, L.P. · Third Rock Ventures GP VI, L.P. · TRV GP VI, LLC · Transaction Code S

Traded Aug 12, 2026 · Disclosed Aug 14, 2026

Source: SEC Form 4 · 0001193125-26-352692 · filed 2026-08-14 · View filing →

Composed from the Form 4 as filed with the SEC. Share counts, prices and dates are the filing's own; the disclosure lag is counted in business days from the transaction date to the filing date. What is a Form 4?

Cite this card

Desq Long. "Septerna, Inc. (SEPN)." Disclosed 2026-08-14. https://desqlong.com/cards/0001193125-26-352692-1 (retrieved 2026-09-26).