Montrose Environmental Group officer reports tax-withholding share transaction

Montrose Environmental Group, Inc. insider reports tax‑related share withholding A Montrose Environmental Group, Inc. officer, serving as Chief Strategy Officer, reported a transaction in the company’s common stock dated 12/16/2025.

Rhea-AI Filing Summary

Montrose Environmental Group, Inc. insider reports tax‑related share withholding

A Montrose Environmental Group, Inc. officer, serving as Chief Strategy Officer, reported a transaction in the company’s common stock dated 12/16/2025. The filing shows that 46,216 shares of common stock were disposed of at a price of $26.40 per share, coded as an “F” transaction, which indicates shares were withheld to cover tax obligations.

According to the report, this withholding was done to satisfy tax withholding obligations in connection with the vesting of restricted stock units. After this transaction, the officer directly beneficially owned 269,282 shares of Montrose Environmental Group, Inc. common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 46,216 shares

Exercise Price or Tax Liability 1 txn

Insider Revuelta Jose

Role Chief Strategy Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	46,216	$26.40	$1.22M

Holdings After Transaction: Common Stock — 269,282 shares (Direct)

Footnotes (1)

1. F1. Withholding of shares of common stock to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

FAQ

What insider transaction did Montrose Environmental Group (MEG) disclose in this filing?

The filing reports that the Chief Strategy Officer disposed of 46,216 shares of Montrose Environmental Group, Inc. common stock on 12/16/2025 in a transaction coded “F,” which represents shares withheld to cover taxes on restricted stock units.

At what price were the Montrose Environmental Group (MEG) shares reported in the transaction?

The 46,216 shares of Montrose Environmental Group, Inc. common stock in the tax‑withholding transaction were reported at a price of $26.40 per share.

How many Montrose Environmental Group (MEG) shares does the insider own after the reported transaction?

Following the reported tax‑withholding transaction, the reporting person directly beneficially owned 269,282 shares of Montrose Environmental Group, Inc. common stock.

What is the role of the reporting person at Montrose Environmental Group (MEG)?

The reporting person is an officer of Montrose Environmental Group, Inc., serving as the company’s Chief Strategy Officer.

What does transaction code “F” mean in this Montrose Environmental Group (MEG) Form 4?

The filing explains that the transaction involved withholding of shares of common stock to satisfy tax withholding obligations in connection with the vesting of restricted stock units, which corresponds to transaction code “F.”

Is this Montrose Environmental Group (MEG) insider filing for derivative securities as well?

The document includes a table for derivative securities, but no specific derivative transactions are listed; the only detailed transaction involves common stock related to restricted stock unit vesting and tax withholding.

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Accepted by SEC EDGAR 12/19/2025 - 07:18 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^*

Revuelta Jose

(Last) (First) (Middle)

5120 NORTHSHORE DR

(Street)

NORTH LITTLE ROCK AR 72118

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Montrose Environmental Group, Inc. [ MEG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

3. Date of Earliest Transaction (Month/Day/Year)
12/16/2025

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	12/16/2025		F		46,216(1)	D	$26.4	269,282	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. Withholding of shares of common stock to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

	/s/ Nasym Afsari, Attorney in Fact	12/19/2025
	** 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.