Montrose director exercises options, sells shares

Montrose Environmental Group director J. Thomas Presby reported a same-day option exercise and share sales.

Accepted by SEC EDGAR 03/04/2026 - 06:30 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Montrose Environmental Group director J. Thomas Presby reported a same-day option exercise and share sales. He exercised stock options for 10,000 shares of common stock at a price of $9.76 per share. He then sold 9,541 shares at a weighted average price of $28.82 and 459 shares at a weighted average price of $29.89, with actual sale prices ranging from $28.55 to $29.905. After these transactions, he directly owned 62,614 shares of Montrose common stock.

Insider Trade Summary

Exercise and Sale: 10,000 shares ($191K approx. pre-tax spread)

Exercise and Sale 4 txns

Insider PRESBY J THOMAS

Role Director

Sold 10,000 shs ($289K)

Approx. gross sale proceeds $289K

Approx. exercise cost $98K

Approx. pre-tax spread $191K

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	10,000	$0.00	$0.00
Exercise	Common Stock	10,000	$9.76	$98K
Sale	Common Stock	9,541	$28.82	$275K
Sale	Common Stock	459	$29.89	$14K

Holdings After Transaction: Stock Option (Right to Buy) — 0 contracts (Direct); Common Stock — 62,614 shares (Direct)

Footnotes (2)

1. F1. The price reported in Column 4 is a weighted average price. These shares of common stock of the Issuer were sold in multiple transactions by the Reporting Person at prices ranging from $28.55 to $29.53, inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer full information regarding the number of shares of common stock sold at each separate price within the range.
2. F2. The price reported in Column 4 is a weighted average price. These shares of common stock of the Issuer were sold in multiple transactions by the Reporting Person at prices ranging from $29.635 to $29.905, inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer full information regarding the number of shares of common stock sold at each separate price within the range.

FAQ

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What insider transactions did J. Thomas Presby report for Montrose Environmental Group (MEG)?

J. Thomas Presby exercised options for 10,000 Montrose shares and sold 10,000 shares the same day. The sales occurred in open-market transactions at weighted average prices around the high-$20s, leaving him with direct ownership of 62,614 common shares.

How many Montrose Environmental Group (MEG) shares did the director sell and at what prices?

The director sold 9,541 shares at a weighted average price of $28.82 and 459 shares at a weighted average price of $29.89. Footnotes state these were multiple trades, with actual prices ranging from $28.55 to $29.905 per share.

How many Montrose Environmental Group (MEG) shares does the director own after this Form 4?

After exercising options and selling shares, the director directly owns 62,614 shares of Montrose Environmental Group common stock. This figure reflects ownership following the 10,000-share option exercise and the subsequent 10,000 shares sold in open-market transactions.

What type of option transaction did the Montrose Environmental Group (MEG) director report?

The director reported exercising a stock option for 10,000 shares of Montrose common stock. The option exercise is coded “M” for derivative exercise or conversion, with the acquired common shares priced at $9.76 per share according to the Form 4 transaction details.

Were the Montrose Environmental Group (MEG) insider sales made in a single trade or multiple trades?

The reported sales were executed in multiple trades. Footnotes explain that the 9,541-share sale had prices ranging from $28.55 to $29.53, and the 459-share sale ranged from $29.635 to $29.905, both reported as weighted average prices on the Form 4.

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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^*

PRESBY J THOMAS

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

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	03/02/2026		M		10,000	A	$9.76	72,614	D
Common Stock	03/02/2026		S		9,541	D	$28.82(1)	63,073	D
Common Stock	03/02/2026		S		459	D	$29.89(2)	62,614	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
Stock Option (Right to Buy)	$9.76	03/02/2026		M			10,000	12/13/2016	12/13/2026	Common Stock	10,000	$0.00	0	D

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares of common stock of the Issuer were sold in multiple transactions by the Reporting Person at prices ranging from $28.55 to $29.53, inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer full information regarding the number of shares of common stock sold at each separate price within the range.

2. The price reported in Column 4 is a weighted average price. These shares of common stock of the Issuer were sold in multiple transactions by the Reporting Person at prices ranging from $29.635 to $29.905, inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer full information regarding the number of shares of common stock sold at each separate price within the range.

	/s/ Nasym Afsari, Attorney in Fact	03/04/2026
	** 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.
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