Avantor (AVTR) director awarded 25,270 RSUs vesting in May 2027

Rhea-AI Filing Summary

Avantor, Inc. director Sanjeev K. Mehra reported an equity compensation grant. He received 25,270 shares of common stock in the form of restricted stock units at no cash cost, classified as a grant or award acquisition.

The restricted stock units vest on May 07, 2027, meaning he will fully earn the shares on that date if vesting conditions are met. After this grant, Mehra directly holds 33,376 shares of Avantor common stock.

The filing also notes 475,000 shares of common stock held indirectly through a limited liability company. Mehra disclaims beneficial ownership of these indirectly held securities except to the extent of any pecuniary interest.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider MEHRA SANJEEV K

Role null

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

Holdings After Transaction: Common Stock — 33,376 shares (Direct, null); Common Stock — 475,000 shares (Indirect, By limited liability company)

Footnotes (1)

1. Reflects a grant of restricted stock units that vests on May 07, 2027. The Reporting Person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of any pecuniary interest therein.

Key Figures

RSU grant size: 25,270 shares Grant vesting date: May 07, 2027 Direct holdings after grant: 33,376 shares +2 more

5 metrics

RSU grant size 25,270 shares Restricted stock units of common stock granted as award

Grant vesting date May 07, 2027 Vesting date for the restricted stock unit award

Direct holdings after grant 33,376 shares Avantor common stock directly owned following the grant

Indirect holdings via LLC 475,000 shares Common stock held indirectly through a limited liability company

Grant price per share $0.0000 per share Indicates compensation grant rather than cash purchase

Key Terms

restricted stock units, beneficial ownership, limited liability company, grant, award, or other acquisition

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.

beneficial ownership financial

"The Reporting Person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

limited liability company financial

"Common Stock holding reported as indirect ownership by limited liability company"

A limited liability company (LLC) is a business structure that separates the owners’ personal assets from the company’s debts and legal obligations, like a protective shield that keeps personal savings and property distinct from business risk. For investors, that protection reduces personal financial exposure and often brings flexible rules for profit sharing and taxes, but it can also affect how easily interests are bought or sold and how decisions are made.

grant, award, or other acquisition financial

"Transaction is coded as a grant, award, or other acquisition of common stock"

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^*

MEHRA SANJEEV K

(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	33,376	D
Common Stock								475,000	I	By limited liability company(2)

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.

2. The Reporting Person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of any pecuniary interest therein.

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 insider transaction did Avantor (AVTR) director Sanjeev K. Mehra report?

Sanjeev K. Mehra reported receiving an equity compensation grant of Avantor common stock. The Form 4 shows an award of 25,270 restricted stock units, expanding his direct holdings while reflecting standard director compensation rather than an open-market purchase or sale.

How many Avantor (AVTR) shares were granted to Sanjeev K. Mehra and when do they vest?

Mehra was granted 25,270 restricted stock units of Avantor common stock. According to the filing footnote, these units are scheduled to vest on May 07, 2027, subject to the applicable vesting conditions typically tied to continued service with the company.

Were Sanjeev K. Mehra’s Avantor (AVTR) shares purchased on the market or granted as compensation?

The reported Avantor shares were granted as compensation, not bought on the market. The transaction is coded as a grant, award, or other acquisition with a price per share of $0.0000, indicating a restricted stock unit award rather than a cash purchase.

How many Avantor (AVTR) shares does Sanjeev K. Mehra directly own after this grant?

Following the restricted stock unit award, Mehra directly owns 33,376 shares of Avantor common stock. This post-transaction balance reflects his direct holdings only and excludes the larger block of shares reported as indirectly owned through a separate limited liability company.

What indirect Avantor (AVTR) holdings are associated with Sanjeev K. Mehra?

The Form 4 reports 475,000 Avantor common shares held indirectly through a limited liability company. A footnote states Mehra disclaims beneficial ownership of these indirectly held securities, except to the extent of any pecuniary interest he may have in that entity.

Does the Avantor (AVTR) filing indicate any derivative or option exercises by Sanjeev K. Mehra?

The disclosed data do not show any derivative or option exercises by Mehra. The filing instead highlights a non-derivative stock grant of restricted stock units and lists his resulting direct and indirect common stock positions without additional derivative transactions.