Avantor (NYSE: AVTR) EVP sees 1,201 shares withheld to cover RSU taxes

Rhea-AI Filing Summary

Avantor, Inc. executive Claudius Sokenu, EVP, Chief Legal & Compliance, reported a tax-related disposition where 1,201 shares of common stock were withheld by the issuer at $11.44 per share to cover RSU vesting tax obligations, leaving 251,228 shares held directly.

Insider Trade Summary

Net Seller: 1,201 shares

Net Sell 1 txn

Insider Sokenu Claudius

Role EVP, Chief Legal & Compliance

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	1,201	$11.44	$14K

Holdings After Transaction: Common Stock — 251,228 shares (Direct)

Footnotes (1)

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

Key Figures

Shares Withheld for Taxes: 1,201 shares Per-Share Value: $11.44 per share Post-Transaction Holdings: 251,228 shares +1 more

4 metrics

Shares Withheld for Taxes 1,201 shares Common stock withheld to cover RSU tax obligations

Per-Share Value $11.44 per share Value applied to 1,201 withheld shares

Post-Transaction Holdings 251,228 shares Direct common shares held after withholding

Tax-Related Dispositions Count 1 transaction Code F tax-withholding disposition reported

Key Terms

tax withholding obligations, vesting of RSUs, withheld by the Issuer

3 terms

tax withholding obligations financial

"shares withheld by the Issuer to cover tax withholding obligations"

vesting of RSUs financial

"in connection with the vesting of RSUs"

withheld by the Issuer financial

"Represents the number of shares withheld by the Issuer"

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/27/2026 - 05:25 PM Accepted by SEC EDGAR 07/27/2026 - 05:25 PM Learn about SEC filing dates

FAQ

What insider transaction did Avantor (AVTR) report for Claudius Sokenu?

Avantor reported that EVP, Chief Legal & Compliance Claudius Sokenu had 1,201 common shares withheld at $11.44 per share. The shares were withheld by the issuer to cover tax obligations arising from the vesting of RSUs, leaving him with 251,228 directly held shares.

How many Avantor (AVTR) shares were involved in Claudius Sokenu’s Form 4 event?

The event involved 1,201 shares of Avantor common stock. These shares were not sold on the open market; they were withheld by the issuer specifically to satisfy tax withholding obligations connected to the vesting of restricted stock units (RSUs).

What was the price per share in the Avantor (AVTR) insider tax-withholding transaction?

The reported value was $11.44 per share for the 1,201 Avantor common shares withheld. This price is used to determine the value of the shares applied toward tax withholding obligations associated with the vesting of Claudius Sokenu’s RSUs.

How many Avantor (AVTR) shares does Claudius Sokenu hold after this transaction?

After the tax-withholding disposition, Claudius Sokenu directly holds 251,228 shares of Avantor common stock. This figure reflects his post-transaction direct ownership following the withholding of 1,201 shares for RSU-related tax obligations.

Was the Avantor (AVTR) insider transaction tied to RSU vesting or open-market trading?

The transaction was tied to RSU vesting, not open-market trading. The filing notes that 1,201 shares were withheld by the issuer to cover tax withholding obligations in connection with the vesting of restricted stock units granted to Claudius Sokenu.

Did the Avantor (AVTR) filing indicate use of a Rule 10b5-1 trading plan?

The document-level Rule 10b5-1 checkbox is not affirmed for this filing. The transaction is characterized as a tax-withholding disposition related to RSU vesting, rather than a discretionary open-market trade under a pre-arranged trading plan.

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^*

Sokenu Claudius

(Last) (First) (Middle)

RADNOR CORPORATE CENTER, BUILDING ONE,

SUITE 200, 100 MATSONFORD ROAD

(Street)

RADNOR PENNSYLVANIA 19087

(City) (State) (Zip)

UNITED STATES

(Country)

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 Legal & Compliance

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/24/2026

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	07/24/2026		F(1)		1,201	D	$11.44	251,228	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:

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 Claudius Sokenu	07/27/2026
	** 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)