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  4. [Form 4/A] Montrose Environmental Group, Inc. Amended Insider Trading Activity

Montrose Environmental (MEG) CSO exercises options and sells 102,668 shares

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4/A

Rhea-AI Filing Summary

Montrose Environmental Group Chief Strategy Officer Jose Revuelta reported an exercise-and-sell transaction in company stock. On March 3–4, 2026, he exercised stock options to acquire a total of 102,668 shares of common stock at an exercise price of $6.03 per share.

He then sold the same 102,668 common shares in open-market transactions at weighted average prices of about $28.00 and $27.56, as detailed in the footnotes. Following these transactions, Revuelta directly owned 269,282 shares of Montrose Environmental Group common stock.

The options exercised were from a grant in which 50% of the shares vested on June 9, 2017 and the remaining 50% vested on June 9, 2019, indicating this was the use of fully vested, long-standing equity awards.

Positive

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Insider Revuelta Jose
Role Chief Strategy Officer
Sold 102,668 shs ($2.86M)
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) 42,668 $0.00 --
Exercise Common Stock 42,668 $6.03 $257K
Sale Common Stock 42,668 $27.56 $1.18M
Exercise Stock Option (Right to Buy) 60,000 $0.00 --
Exercise Common Stock 60,000 $6.03 $362K
Sale Common Stock 60,000 $28.00 $1.68M
Holdings After Transaction: Stock Option (Right to Buy) — 35,207 shares (Direct); Common Stock — 311,950 shares (Direct)
Footnotes (1)
  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 $28.00 to $28.06, 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. 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 $27.50 to $27.56, 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. 50% of the shares subject to the option vested on June 9, 2017 and the remaining 50% vested on June 9, 2019.
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*
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)
03/03/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
03/05/2026 		6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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 03/03/2026 M 60,000 A $6.03 329,828 D
Common Stock 03/03/2026 S 60,000 D $28(1) 269,282 D
Common Stock 03/04/2026 M 42,668 A $6.03 311,950 D
Common Stock 03/04/2026 S 42,668 D $27.56(2) 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
Stock Option (Right to Buy) $6.03 03/03/2026 M 60,000 (3) 06/23/2026 Common Stock 60,000 $0 77,875 D
Stock Option (Right to Buy) $6.03 03/04/2026 M 42,668 (3) 06/23/2026 Common Stock 42,668 $0 35,207 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 $28.00 to $28.06, 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 $27.50 to $27.56, 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.
3. 50% of the shares subject to the option vested on June 9, 2017 and the remaining 50% vested on June 9, 2019.
Remarks:
This Form 4 correction does not report any new transactions. The corrections reported herein are solely with respect to transaction codes and the sale price of the securities of sold on March 3, 2026.
/s/ Nasym Afsari, Attorney in Fact 03/11/2026
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Montrose Environmental Group (MEG) report for Jose Revuelta?

Montrose Environmental Group reported that Chief Strategy Officer Jose Revuelta exercised options for 102,668 shares and sold the same 102,668 common shares in open-market transactions. These trades occurred over March 3–4, 2026, as part of using vested stock options.

How many Montrose Environmental Group (MEG) shares did Jose Revuelta sell?

Jose Revuelta sold a total of 102,668 Montrose Environmental Group common shares. The sales were executed in multiple open-market trades at weighted average prices around $28.00 and $27.56 per share, according to the detailed price ranges disclosed in the footnotes.

At what price did Jose Revuelta exercise his Montrose Environmental Group (MEG) stock options?

Jose Revuelta exercised Montrose Environmental Group stock options at an exercise price of $6.03 per share. He converted a total of 102,668 option rights into common shares at this price before selling those shares in the open market shortly afterward.

What were the sale price ranges for Jose Revuelta’s Montrose Environmental Group (MEG) share sales?

The filing states that Revuelta’s sales used weighted average prices. One set of trades ranged from $28.00 to $28.06 per share, and another from $27.50 to $27.56 per share, with full breakdowns available upon request from the company or regulators.

How many Montrose Environmental Group (MEG) shares does Jose Revuelta hold after these transactions?

After the reported exercises and sales, Jose Revuelta directly holds 269,282 shares of Montrose Environmental Group common stock. This figure reflects his position following both exercising 102,668 options and selling the resulting common shares in open-market transactions.

What is the vesting history of the Montrose Environmental Group (MEG) options Jose Revuelta exercised?

The options Revuelta exercised came from a grant where 50% of the shares vested on June 9, 2017, and the remaining 50% vested on June 9, 2019. This indicates he was exercising fully vested, long-standing equity awards rather than newly granted options.