Equity grants for HALO (HALO) COO: RSU vesting and tax-share withholding

Rhea-AI Filing Summary

HALOZYME THERAPEUTICS, INC. senior vice president and chief operating officer Cortney Caudill reported routine equity award activity. On February 20, 2026, 2,666 Restricted Stock Units vested and were settled into 2,666 shares of common stock, reflecting an exercise or conversion of derivative securities at a stated price of $0.0000 per share.

To cover tax withholding obligations from this vesting, 1,037 common shares were automatically withheld by the issuer at a price of $70.98 per share, as noted in the footnotes. After these transactions, Caudill directly owned 14,366 shares of common stock and 7,998 Restricted Stock Units. These movements reflect compensation-related settlements and tax withholding rather than open-market buying or selling.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a 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). See Instruction 10.

1. Name and Address of Reporting Person^*

Caudill Cortney

(Last) (First) (Middle)

C/O HALOZYME THERAPEUTICS, INC.

12390 EL CAMINO REAL

(Street)

SAN DIEGO CA 92130

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
HALOZYME THERAPEUTICS, INC. [ HALO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, CHIEF OPERATING OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
02/20/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/20/2026		M		2,666	A	$0	15,403	D
Common Stock	02/20/2026		F		1,037(1)	D	$70.98	14,366	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	$0	02/20/2026		M			2,666	02/20/2026(2)	(2)	Common Stock	2,666	$0	7,998	D

Explanation of Responses:

1. The reported disposition of 1,037 shares represents the shares that were withheld by the issuer as payment for tax withholding obligations.

2. This transaction represents the vesting and settlement of restricted stock units in shares of common stock of the issuer.

Remarks:

	/s/ James R. Oehler, Attorney-in-Fact	02/24/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did HALO (HALOZYME THERAPEUTICS, INC.) report for Cortney Caudill?

Cortney Caudill reported vesting of 2,666 Restricted Stock Units that settled into the same number of common shares. In connection with this equity award vesting, some shares were withheld to satisfy tax obligations, reflecting routine compensation-related activity.

How many HALO common shares were withheld for taxes in this Form 4?

The Form 4 shows 1,037 common shares were withheld by the issuer to pay tax withholding obligations. The footnote explains this was a tax-withholding disposition, not an open-market sale, tied specifically to the vesting of restricted stock units.

How many HALO shares does Cortney Caudill own after these transactions?

Following the reported transactions, Cortney Caudill directly owned 14,366 shares of common stock. The Form 4 also reports continued ownership of 7,998 Restricted Stock Units, which represent additional equity awards that may settle into common shares upon future vesting.

What does the RSU vesting transaction mean for HALO’s Cortney Caudill?

The RSU vesting means 2,666 Restricted Stock Units converted into 2,666 common shares of HALO. This reflects the delivery of previously granted equity compensation, increasing Caudill’s direct share holdings as part of her role as senior vice president and chief operating officer.

Was there an open-market buy or sell of HALO stock in this Form 4?

No open-market buys or sells are indicated. The filing shows RSU vesting and settlement plus share withholding to cover tax obligations. The tax-related disposition is coded as a payment of tax liability, not a discretionary market transaction.

What transaction codes appear in HALO’s Form 4 for Cortney Caudill and what do they indicate?

The Form 4 uses code M for the exercise or conversion of derivative securities when 2,666 RSUs settled into common stock. It also uses code F for the disposition of 1,037 shares withheld by the issuer to satisfy tax withholding obligations.