Avantor (NYSE: AVTR) CEO keeps 737,334 shares after RSU tax withholding

Rhea-AI Filing Summary

Avantor, Inc. (AVTR) reported that President and CEO Emmanuel Ligner had 29,803 shares of common stock withheld on 2026-08-18 to cover tax withholding obligations arising from the vesting of RSUs. The price used for the withholding was $13.33 per share, and Ligner now directly holds 737,334 shares of Avantor common stock.

Insider Trade Summary

Net Seller: 29,803 shares

Net Sell 1 txn

Insider Ligner Emmanuel

Role President and CEO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	29,803	$13.33	$397K

Holdings After Transaction: Common Stock — 737,334 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 tax withholding obligations: 29,803 shares Reference price per share: $13.33 per share Shares directly held after transaction: 737,334 shares +1 more

4 metrics

Shares withheld for tax withholding obligations 29,803 shares Common Stock withheld on 2026-08-18 in connection with RSU vesting

Reference price per share $13.33 per share Price applied to the 29,803 withheld shares

Shares directly held after transaction 737,334 shares Avantor common stock directly owned by Emmanuel Ligner following the withholding

Exercise price or tax-liability shares 29,803 shares Shares reported under code F for payment of tax liability by withholding

Key Terms

Restricted Stock Units, tax withholding obligations, withheld by the Issuer

3 terms

Restricted Stock Units financial

"in connection with the vesting of RSUs."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"to cover tax withholding obligations in connection with the vesting"

withheld by the Issuer financial

"Represents the number of shares withheld by the Issuer to cover"

FAQ

What insider transaction did Avantor (AVTR) disclose for Emmanuel Ligner?

Avantor disclosed that President and CEO Emmanuel Ligner had 29,803 shares of common stock withheld on 2026-08-18 to satisfy tax withholding obligations related to the vesting of RSUs, at a reference price of $13.33 per share.

Was the Avantor (AVTR) CEO’s Form 4 transaction a market sale?

No. The 29,803 shares reported for Emmanuel Ligner were withheld by Avantor to cover tax withholding obligations from RSU vesting, rather than shares sold in an open-market transaction.

How many Avantor (AVTR) shares does Emmanuel Ligner hold after this transaction?

After the tax-withholding transaction, Emmanuel Ligner directly holds 737,334 shares of Avantor common stock, as reported in the Form 4 data.

What price per share was used in the Avantor (AVTR) CEO’s tax-withholding transaction?

The tax-withholding disposition of 29,803 shares of Avantor common stock for Emmanuel Ligner used a price of $13.33 per share, as shown in the transaction details.

What does the RSU-related footnote mean in the Avantor (AVTR) Form 4?

The footnote explains that the 29,803 shares represent shares withheld by Avantor to cover tax withholding obligations in connection with the vesting of RSUs (Restricted Stock Units) awarded to Emmanuel Ligner.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/20/2026 - 07:03 PM Accepted by SEC EDGAR 08/20/2026 - 07:02 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^*

Ligner Emmanuel

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2026

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	08/18/2026		F(1)		29,803	D	$13.33	737,334	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 Emmanuel Ligner	08/20/2026
	** 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)