X0508 4 2026-01-02 0 0001159036 HALOZYME THERAPEUTICS, INC. HALO 0001703090 Lang James Paul 12390 EL CAMINO REAL SAN DIEGO CA 92130 1 0 0 0 0 Restricted Stock Units 2026-01-02 4 A 0 889 0 A 889 D Option to Purchase Common Stock 70.31 2026-01-02 4 A 0 1342 0 A 2036-01-02 Common Stock 1342 1342 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 2026 annual meeting of stockholders. These stock units are subject to a written deferral election under the Issuer's Directors Deferred Equity Compensation Plan pursuant to which shares of common stock are released to the reporting person upon completion of service as a director. Represents a stock options granted under the Issuer director compensation program. This grant will vest in full on the date of the Issuer 2026 annual meeting of stockholders. /s/ James R. Oehler, Attorney-in-Fact 2026-01-06