Long Daniel D. sold SEPN

September 1, 2026 · Form 4 insider transaction

Long Daniel D. sold 3,333 shares of Septerna, Inc. at $37.83 per share, a transaction worth $126.1K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
3,333
Price
$37.83
Total value
$126.1K
RoleOfficer
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 1, 2026
Filing dateSeptember 3, 2026
Shares owned after96,412
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

This transaction was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on March 20, 2026.; The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $37.34 to $38.21. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

View the original Form 4 on SEC EDGAR