What is Brent R. Jones’s Avantor (AVTR) share ownership after this Form 4?

Following the February 23, 2026 tax-withholding disposition, Brent R. Jones directly owned 419,782 shares of Avantor common stock. This post-transaction balance reflects his remaining direct holdings after 2,805 shares were withheld for RSU-related taxes.

Avantor CFO has shares withheld for RSU taxes

Accepted by SEC EDGAR 02/25/2026 - 05:27 PM EST

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Rhea-AI Filing Summary

Avantor, Inc. executive vice president and chief financial officer Brent R. Jones reported a Form 4 transaction in which 2,805 shares of common stock were disposed of on February 23, 2026 to satisfy tax withholding obligations tied to vesting restricted stock units (RSUs).

The shares were withheld by Avantor, rather than sold in the open market. After this tax-withholding disposition, Jones directly owned 419,782 shares of Avantor common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 2,805 shares

Exercise Price or Tax Liability 1 txn

Insider Jones R. Brent

Role EVP, Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	2,805	$8.89	$25K

Holdings After Transaction: Common Stock — 419,782 shares (Direct)

Holdings Before and After: Common Stock, 422,587 to 419,782 shares (Direct)

Footnotes (1)

F1. Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

FAQ

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What insider transaction did Avantor (AVTR) report for Brent R. Jones?

Avantor reported that CFO Brent R. Jones disposed of 2,805 shares of common stock on February 23, 2026. The shares were withheld by Avantor to cover tax obligations from vesting restricted stock units, rather than sold on the open market.

Was the Avantor (AVTR) CFO’s Form 4 transaction an open-market sale?

No, the Form 4 transaction was not an open-market sale. The 2,805 shares were withheld by Avantor to satisfy tax withholding obligations triggered by the vesting of restricted stock units held by CFO Brent R. Jones.

How many Avantor (AVTR) shares were involved in the CFO’s tax withholding?

The transaction involved 2,805 shares of Avantor common stock. These shares were used to pay tax withholding obligations associated with the vesting of restricted stock units, as disclosed in the Form 4 filing and related footnote.

What does transaction code F mean in the Avantor (AVTR) Form 4 filing?

Transaction code F indicates shares were disposed of to cover an exercise price or tax liability. In this Avantor filing, it reflects 2,805 shares withheld by the company to satisfy tax withholding obligations from vesting restricted stock units held by the CFO.

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Form 4 Insider Transactions: What Each Field Means →

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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^*

Jones R. Brent

(Last)

(First)

(Middle)

RADNOR CORPORATE CENTER, BUILDING ONE,

SUITE 200, 100 MATSONFORD ROAD

(Street)

RADNOR

19087

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Avantor, Inc. [ AVTR ]

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)
02/23/2026

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	02/23/2026		F⁽¹⁾		2,805	D	$8.89	419,782	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. Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs.

Remarks:

	/s/ Scott Baker, by power of attorney for Brent Jones	02/25/2026
	** 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.

Source: View Original Filing on SEC EDGAR