Avantor (AVTR) director Louise Makin receives 25,270-share restricted stock grant

Rhea-AI Filing Summary

Makin Louise reported acquisition or exercise transactions in this Form 4 filing.

Avantor, Inc. director Louise Makin received an equity award of 25,270 shares of common stock in the form of restricted stock units. The award was granted at a stated price of $0.00 per share as part of compensation rather than a market purchase or sale.

The restricted stock units are scheduled to vest on May 7, 2027, meaning the shares will be delivered only if the vesting conditions are met. Following this grant, Makin directly holds a total of 47,140 shares of Avantor common stock, indicating the transaction is an automatic, non-market equity grant.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Makin Louise

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	25,270	$0.00	--

Holdings After Transaction: Common Stock — 47,140 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSU grant size: 25,270 shares Grant price: $0.00 per share Holdings after grant: 47,140 shares +1 more

4 metrics

RSU grant size 25,270 shares Restricted stock unit award to director Louise Makin

Grant price $0.00 per share Stated price for restricted stock unit grant

Holdings after grant 47,140 shares Total Avantor common stock directly held by Makin after transaction

Vesting date May 7, 2027 Scheduled vesting date for the restricted stock units

Key Terms

restricted stock units, grant, award, or other acquisition, Common Stock, vests

4 terms

restricted stock units financial

"Reflects a grant of restricted stock units that vests on May 07, 2027."

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.

grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

Common Stock financial

"security_title: Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

vests financial

"Reflects a grant of restricted stock units that vests on May 07, 2027."

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^*

Makin Louise

(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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026

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	05/07/2026		A(1)		25,270	A	$0	47,140	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:

1. Reflects a grant of restricted stock units that vests on May 07, 2027.

Remarks:

	/s/ Scott Baker, as Attorney-in-Fact	05/11/2026
	** 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 Avantor (AVTR) director Louise Makin report on this Form 4?

Louise Makin reported receiving 25,270 Avantor common shares as a restricted stock unit award. The grant is compensation-based, not an open-market trade, and increases her direct equity holdings in the company.

How many Avantor (AVTR) shares did Louise Makin acquire in this transaction?

She acquired 25,270 shares of Avantor common stock through a restricted stock unit grant. These shares are part of her director compensation and were not bought on the open market or sold to generate cash.

When do Louise Makin’s Avantor (AVTR) restricted stock units vest?

The restricted stock units granted to Louise Makin vest on May 7, 2027. Vesting means she must wait until that date, and subject to conditions, to receive the underlying Avantor common shares.

What are Louise Makin’s Avantor (AVTR) holdings after this Form 4 transaction?

After the reported grant, Louise Makin directly holds 47,140 Avantor common shares. This figure reflects her updated position, combining her prior holdings with the newly awarded restricted stock units reported in this filing.

Was this Avantor (AVTR) Form 4 a market buy or sell by Louise Makin?

No, this Form 4 reflects a grant of restricted stock units, not a market buy or sell. The award was given at a stated price of $0.00 per share as part of director compensation.