SEC FORM 4

SEC FORM 4 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

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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^*

Mueller Brian

(Last)

(First)

(Middle)

C/O BIOMARIN PHARMACEUTICAL INC.

770 LINDARO STREET

(Street)

SAN RAFAEL

94901

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
BIOMARIN PHARMACEUTICAL INC [ BMRN ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	EVP, Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/25/2026⁽¹⁾		A		6,683⁽²⁾⁽³⁾	A	$0	106,839	D
Common Stock	02/25/2026⁽¹⁾		A		7,230⁽³⁾⁽⁴⁾	A	$0	114,069	D
Common Stock	02/25/2026⁽¹⁾		A		2,569⁽³⁾⁽⁵⁾	A	$0	116,638	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Transaction Date is the date that the Issuer's Board of Directors' Compensation Committee certified that the reporting person earned the Restricted Stock Units (RSUs), which are convertible into shares of the Issuer's Common Stock on a 1:1 basis.

2. Represents the total number of RSUs earned pursuant to a formula based on relative total shareholder return during 2023 through 2025 set forth in the performance-based RSU awards previously granted under the Issuer's 2017 Equity Incentive Plan.

3. Although earned, the RSUs only vest according to the following schedule: vests on March 15, 2026, subject to the reporting person's continued service through that date, subject to earlier vesting upon certain events.

4. Represents the total number of RSUs earned pursuant to a formula based on the number and nature of development goals achieved during 2023 through 2025 set forth in the performance-based RSU awards previously granted under the Issuer's 2017 Equity Incentive Plan.

5. Represents the total number of RSUs earned pursuant to a formula based on core operating margin over three, one-year periods spanning 2023 through 2025 set forth in the performance-based RSU awards previously granted under the Issuer's 2017 Equity Incentive Plan.

Remarks:

	/s/ Tae Sang Yoo, Attorney-in-Fact	02/26/2026
	** 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.

EVP, Chief Financial Officer Mueller Brian was granted 16,482 shares, increasing direct ownership by 16% to 116,638 units (SEC Form 4)

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