X0609 4 2026-10-01 0 0001159036 HALOZYME THERAPEUTICS, INC. HALO 0001560782 Daly James M false C/O HALOZYME THERAPEUTICS, INC. 12390 EL CAMINO REAL SAN DIEGO CA 92130 1 0 0 0 0 Restricted Stock Units 2026-10-01 4 A 0 1169 0 A 1169 D Option to Purchase Common Stock 106.94 2026-10-01 4 A 0 1775 0 A 2036-10-01 Common Stock 1775 1775 D Represents restricted stock units granted under the Issuer's director compensation program. Each stock unit represents the right to receive one share of common stock and is scheduled to vest on the date of the Issuer's 2027 annual meeting of stockholders. Represents stock options granted under the Issuer's director compensation program. This grant will vest in full on the date of the Issuer's 2027 annual meeting of stockholders. /s/ James R. Oehler, Attorney-in-Fact 2026-10-02