Disclosure 0001231919-26-000938-1

SEC FORM 4

$31,726,250.00

Septerna, Inc. (SEPN)

Sale of 746,500 shares at $42.50 per share.

Reporting Persons RA CAPITAL MANAGEMENT, L.P. · RA Capital Healthcare Fund LP · RA Capital Nexus Fund III, L.P. · Kolchinsky Peter · Shah Rajeev M. · Transaction Code S

Traded Aug 12, 2026 · Disclosed Aug 14, 2026

Source: SEC Form 4 · 0001231919-26-000938 · 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/0001231919-26-000938-1 (retrieved 2026-09-26).