Bernadette Connaughton - Nov 10, 2025 Form 4 Insider Report for HALOZYME THERAPEUTICS, INC. (HALO)

Role
Director
Signature
/s/ James R. Oehler, Attorney-in-Fact
Stock symbol
HALO
Transactions as of
Nov 10, 2025
Transactions value $
-$136,960
Form type
4
Date filed
11/12/2025, 05:58 PM
Previous filing
Oct 1, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Connaughton Bernadette Director C/O HALOZYME THERAPEUTICS, INC., 12390 EL CAMINO REAL, SAN DIEGO /s/ James R. Oehler, Attorney-in-Fact 2025-11-12 0001662521

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction HALO Common Stock Sale -$137K -2K -4.45% $68.48 43K Nov 10, 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 The sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on May 29, 2025 in accordance with Rule 10b5-1.