Vertex EVP reports tax-withholding share disposition

Vertex Pharmaceuticals EVP and CMO Carmen Bozic reported a tax-related share disposition.

Rhea-AI Filing Summary

Vertex Pharmaceuticals EVP and CMO Carmen Bozic reported a tax-related share disposition. On February 24, 2026, she transferred 1,453 shares of Vertex common stock at an indicated price of $485.11 per share to cover tax obligations by delivering shares rather than cash. After this tax-withholding transaction, she directly owned 40,063 Vertex common shares.

Insider Trade Summary

Exercise Price or Tax Liability: 1,453 shares

Exercise Price or Tax Liability 1 txn

Insider Bozic Carmen

Role EVP and CMO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	1,453	$485.11	$705K

Holdings After Transaction: Common Stock — 40,063 shares (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Vertex (VRTX) EVP and CMO Carmen Bozic report?

Carmen Bozic reported a disposition of 1,453 shares of Vertex common stock. The transaction was coded as a tax-withholding event, meaning shares were delivered to satisfy tax obligations rather than sold in an open-market trade.

On what date did Carmen Bozic’s Vertex (VRTX) tax-withholding share transaction occur?

The tax-withholding disposition occurred on February 24, 2026. On that date, 1,453 shares of Vertex common stock were transferred at an indicated price of $485.11 per share to cover tax liabilities by delivering shares instead of using cash.

How many Vertex (VRTX) shares did Carmen Bozic dispose of for taxes, and at what price?

She disposed of 1,453 shares of Vertex common stock at an indicated price of $485.11 per share. The transaction was structured as a payment of tax liability by delivering shares, based on the Form 4 transaction code and description.

How many Vertex (VRTX) shares does Carmen Bozic own after this Form 4 transaction?

After the tax-withholding disposition, Carmen Bozic directly owned 40,063 shares of Vertex common stock. This post-transaction holding reflects her remaining direct ownership following the delivery of 1,453 shares to satisfy tax obligations.

Was Carmen Bozic’s Vertex (VRTX) Form 4 transaction an open-market sale?

No, the filing describes a tax-withholding disposition rather than an open-market sale. The transaction code F indicates shares were delivered to pay an exercise price or tax liability, distinguishing it from discretionary buying or selling on the open market.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/26/2026 - 06:05 PM Learn about SEC filing dates

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^*

Bozic Carmen

(Last) (First) (Middle)

C/O VERTEX PHARMACEUTICALS INCORPORATED

50 NORTHERN AVENUE

(Street)

BOSTON MA 02210

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
VERTEX PHARMACEUTICALS INC / MA [ VRTX ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP and CMO

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

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	02/24/2026		F		1,453	D	$485.11	40,063	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/ Christiana Stevenson, 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.