X0508 4 2025-12-22 0000906709 NEKTAR THERAPEUTICS NKTR 0001206869 ROBIN HOWARD W C/O NEKTAR THERAPEUTICS 455 MISSION BAY BLVD SOUTH SAN FRANCISCO CA 94158 true true false false President & CEO false Common Stock 2025-12-22 4 A false 21667 0 A 75912 D Common Stock 28 I by spouse Stock Option 43.48 2025-12-22 4 A false 86667 0 A 2033-12-21 Common Stock 86667 86667 D Common stock was acquired pursuant to a grant of restricted stock units ("RSU"). Each RSU awarded represents a contingent right to receive, upon vesting of the unit, one share of Common Stock of the Issuer. These RSUs vest over four years from the date of grant (December 22, 2025) in substaintially equal quarterly installments based on continued service. Stock options vest over four years from the date of grant, (December 22, 2025) in substantially equal monthly installments based on continued service. Mark A. Wilson, Attorney-in-Fact 2025-12-23