Trust tied to Avantor (AVTR) director Gregory Lucier purchases 50K shares

Rhea-AI Filing Summary

Avantor, Inc. director Gregory T. Lucier reported an indirect open-market purchase of 50,000 shares of common stock on February 19, 2026 at a weighted average price of $9.16 per share. The shares were bought through a trust that purchased in multiple trades between $9.06 and $9.25 per share.

After this transaction, the trust held 50,000 shares, while Lucier also reported 8,736 shares owned directly. The filing notes the shares are held by a trust for which he is trustee and beneficiary, and he disclaims beneficial ownership beyond his pecuniary interest.

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

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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^*

LUCIER GREGORY T

(Last) (First) (Middle)

RADNOR CORPORATE CENTER, BUILDING ONE,

SUITE 200, 100 MATSONFORD ROAD,

(Street)

RADNOR PA 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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/19/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/19/2026		P		50,000	A	$9.16(1)	50,000(2)	I	By a Trust
Common Stock								8,736	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. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $9.06 to $9.25, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each price within the range set forth above.

2. By a trust of which the reporting person serves as trustee and is a beneficiary. The reporting person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

Remarks:

	/s/ Scott Baker, by power of attorney for Gregory Lucier	02/23/2026
	** 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.

FAQ

What insider transaction did Avantor (AVTR) report for Gregory T. Lucier?

Avantor director Gregory T. Lucier reported an indirect open-market purchase of 50,000 shares of common stock. The shares were acquired through a trust associated with him, reflecting increased economic exposure to Avantor while being reported as indirect ownership via that trust structure.

At what price were the Avantor (AVTR) shares purchased in this Form 4?

The 50,000 Avantor shares were purchased at a weighted average price of $9.16 per share. The filing states the trust bought shares in multiple transactions, with individual trade prices ranging from $9.06 to $9.25, and offers to provide full trade details upon request.

How many Avantor (AVTR) shares does Gregory T. Lucier report owning after the transaction?

After the reported transaction, the trust associated with Gregory T. Lucier held 50,000 Avantor shares indirectly. He also reported direct ownership of 8,736 Avantor common shares, giving investors a view of both his direct holdings and indirect economic interest through the trust.

Was the Avantor (AVTR) insider transaction made directly by Gregory T. Lucier?

The reported 50,000-share purchase was made by a trust, not directly by Lucier personally. He serves as trustee and is a beneficiary, and he disclaims beneficial ownership of the trust’s shares except to the extent of his pecuniary interest in that vehicle.

What type of transaction is shown in Gregory T. Lucier’s Avantor (AVTR) Form 4?

The Form 4 shows an open-market purchase of Avantor common stock classified under transaction code P. It is reported as a non-derivative, indirect transaction executed by a trust, indicating a net-buy position of 50,000 shares on the reported trade date.