Montrose Environmental Group, Inc. — Director's Dealing 2021

Nov 9, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Montrose Environmental Group, Inc. (MEG)
CIK: 0001643615
Period of Report: 2021-11-05

Reporting Person: Afsari Nasym (General Counsel and Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-05	Common Stock	M	6101	$6.03	Acquired	22851	Direct
2021-11-05	Common Stock	S	6101	$75.216	Disposed	16750	Direct
2021-11-08	Common Stock	M	18208	$6.03	Acquired	34958	Direct
2021-11-08	Common Stock	S	18208	$75.024	Disposed	16750	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-05	Stock Option (Right to Buy)	$6.03	M	6101	Disposed	2026-06-23	Common Stock (6101)	Direct
2021-11-08	Stock Option (Right to Buy)	$6.03	M	18208	Disposed	2026-06-23	Common Stock (18208)	Direct

Footnotes

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 $75.00 to $75.64, 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.

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 $75.00 to $75.29, 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.

F3: 50% of the shares subject to the option vested on June 9, 2017 and the remaining 50% vested on June 9, 2019.

F4: Form 4 filed by the Reporting Person on September 23, 2021 incorrectly reflected the number of options remaining following the exercise reported thereon. The correct number of options that should have been reflected thereon was 96,625.