BioMarin (BMRN) CTO reports 1,693-share tax withholding, holds 84,140

Rhea-AI Filing Summary

BioMarin Pharmaceutical EVP and Chief Technical Officer Charles Greg Guyer reported a tax-related share disposition. On the transaction date, 1,693 shares of common stock were withheld at a price of $56.05 per share to cover tax obligations, a non‑market transaction. After this event, he directly held 84,140 common shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Guyer Charles Greg

Role EVP, Chief Technical Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	1,693	$56.05	$95K

Holdings After Transaction: Common Stock — 84,140 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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^*

Guyer Charles Greg

(Last) (First) (Middle)

C/O BIOMARIN PHARMACEUTICAL INC.

770 LINDARO STREET

(Street)

SAN RAFAEL CALIFORNIA 94901

(City) (State) (Zip)

UNITED STATES

(Country)

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 Technical Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/17/2026

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

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

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

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	03/17/2026		F		1,693	D	$56.05	84,140	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

Explanation of Responses:

Remarks:

	/s/ Tae Sang Yoo, Attorney-in-Fact	03/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What did BioMarin (BMRN) executive Charles Greg Guyer report in this Form 4?

Executive Charles Greg Guyer reported a tax-related disposition of shares. 1,693 BioMarin common shares were withheld at $56.05 per share to satisfy tax obligations, and he continued to hold 84,140 shares directly after the transaction.

Was the BioMarin (BMRN) Form 4 transaction an open-market sale?

No, the Form 4 reflects tax withholding, not an open-market sale. Shares were delivered back to cover tax liabilities, coded as an F transaction, which is a non-market, administrative event rather than a discretionary sale of BioMarin stock.

How many BioMarin (BMRN) shares were involved in Charles Greg Guyer’s tax withholding?

The transaction involved 1,693 shares of BioMarin common stock. These shares were withheld at a price of $56.05 each to satisfy tax obligations, as indicated by transaction code F for payment of tax liability by delivering securities.

How many BioMarin (BMRN) shares does Charles Greg Guyer hold after this Form 4?

Following the tax-withholding transaction, Charles Greg Guyer directly holds 84,140 shares of BioMarin common stock. This figure, shown as total shares following the transaction, reflects his remaining direct ownership after 1,693 shares were withheld for taxes.

What does transaction code F mean in the BioMarin (BMRN) Form 4 filing?

Transaction code F signifies payment of an exercise price or tax liability by delivering securities. In this BioMarin filing, it indicates that 1,693 common shares were withheld at $56.05 per share to satisfy Charles Greg Guyer’s tax obligations, not a market trade.