SAMIRA SHAIKHLY plan to sell securities of Septerna, Inc. under Form 144

SAMIRA SHAIKHLY filed Form 144 to notify SEC of plan to sell 11798 units of Septerna, Inc. securities around 2026-05-26, with aggregate market value of $334,591.28. The total outstanding units is 45075533.0. The amount planned to be sold represents 0.03% of total outstanding units; Recent transactions in past 3 months include: On 03/02/2026, sold 70453 units for $1979835.21;