What is the CEO’s Montrose Environmental (MEG) share ownership after these transactions?

Following the option exercises and subsequent sale, Vijay Manthripragada directly owned 236,788 shares of Montrose Environmental Group common stock. This post-transaction balance shown in the Form 4 provides context for the scale of his remaining equity stake.

Were the Montrose Environmental (MEG) CEO’s share sales part of multiple trades?

Yes. The 46,121 shares sold by the CEO were executed in multiple trades on the same day at prices between $25.19 and $25.90. The weighted average sale price reported was $25.41 per share, with further pricing details available on request.

Montrose (MEG) CEO exercises 119K options, sells 46K shares, holds 236K

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Montrose Environmental Group President & CEO Vijay Manthripragada exercised stock options and sold a portion of the resulting shares. He exercised options to acquire a total of 119,158 shares of common stock at an exercise price of $6.03 per share, fully using the options that were set to expire on June 23, 2026.

On the same date, he sold 46,121 shares of common stock in open-market transactions at a weighted average price of $25.41 per share, with individual sale prices ranging from $25.19 to $25.90. After these transactions, he directly owned 236,788 shares of Montrose Environmental Group common stock, indicating he retained a substantial equity position following the option exercises and partial sale.

Insider Trade Summary 10b5-1

Net Seller: 46,121 shares ($1,171,935)

Net Sell 5 txns

Insider Manthripragada Vijay

Role President & CEO

Sold 46,121 shs ($1.17M)

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	33,166	$0.00	--
Exercise	Stock Option (Right to Buy)	85,992	$0.00	--
Exercise	Common Stock	33,166	$6.03	$200K
Exercise	Common Stock	85,992	$6.03	$519K
Sale	Common Stock	46,121	$25.41	$1.17M

Holdings After Transaction: Stock Option (Right to Buy) — 85,992 shares (Direct); Common Stock — 196,917 shares (Direct)

Footnotes (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 $25.19 to $25.90, 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 September 11, 2017 and the remaining 50% vested on September 11, 2019.

Form 4 Insider Transactions: What Each Field Means →

03/16/2026 - 07:16 PM

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^*

Manthripragada Vijay

(Last)

(First)

(Middle)

5120 NORTHSHORE DR

(Street)

NORTH LITTLE ROCK

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
X	Officer (give title below)	Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
03/13/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/13/2026		M		33,166	A	$6.03	196,917	D
Common Stock	03/13/2026		M		85,992	A	$6.03	282,909	D
Common Stock	03/13/2026		S		46,121⁽¹⁾	D	$25.41	236,788	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$6.03	03/13/2026		M			33,166	⁽²⁾	06/23/2026	Common Stock	33,166	$0	85,992	D
Stock Option (Right to Buy)	$6.03	03/13/2026		M			85,992	⁽²⁾	06/23/2026	Common Stock	85,992	$0	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 $25.19 to $25.90, 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. 50% of the shares subject to the option vested on September 11, 2017 and the remaining 50% vested on September 11, 2019.

	/s/ Nasym Afsari, Attorney in Fact	03/16/2026
	** 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 did Montrose Environmental (MEG) CEO Vijay Manthripragada do in this Form 4?

The CEO exercised stock options to acquire 119,158 Montrose shares at $6.03, then sold 46,121 shares in open-market trades. After these transactions, he directly held 236,788 shares, indicating a remaining substantial ownership stake.

How many Montrose Environmental (MEG) shares did the CEO sell and at what price?

Vijay Manthripragada sold 46,121 shares of Montrose common stock at a weighted average price of $25.41 per share. The sales occurred in multiple trades with prices ranging from $25.19 to $25.90, as disclosed in the Form 4 footnote.

How many Montrose Environmental (MEG) options did the CEO exercise and at what strike price?

He exercised stock options for a total of 119,158 shares of Montrose common stock at an exercise price of $6.03 per share. These options were fully vested and scheduled to expire on June 23, 2026, prompting the exercise.

What were the vesting terms of the Montrose Environmental (MEG) options exercised by the CEO?

The exercised stock options vested in two equal tranches: 50% vested on September 11, 2017, and the remaining 50% vested on September 11, 2019. The options carried a $6.03 exercise price and were set to expire on June 23, 2026.