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

Sep 18, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Montrose Environmental Group, Inc. (MEG)
CIK: 0001643615
Period of Report: 2021-09-16

Reporting Person: LeMaire Joshua W. (Chief Operating Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-09-16	Common Stock	M	1829	$6.03	Acquired	4029	Direct
2021-09-16	Common Stock	S	1829	$60.00	Disposed	2200	Direct
2021-09-16	Common Stock	M	2110	$24.00	Acquired	4310	Direct
2021-09-16	Common Stock	S	2110	$60.00	Disposed	2200	Direct
2021-09-16	Common Stock	M	865	$31.60	Acquired	3065	Direct
2021-09-16	Common Stock	S	865	$60.00	Disposed	2200	Direct
2021-09-17	Common Stock	M	7095	$6.03	Acquired	9295	Direct
2021-09-17	Common Stock	S	7095	$60.08	Disposed	2200	Direct
2021-09-17	Common Stock	M	600	$24.00	Acquired	2800	Direct
2021-09-17	Common Stock	S	600	$60.17	Disposed	2200	Direct
2021-09-17	Common Stock	M	300	$31.60	Acquired	2500	Direct
2021-09-17	Common Stock	S	300	$60.18	Disposed	2200	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-09-16	Stock Option (Right to Buy)	$6.03	M	1829	Disposed	2026-06-23	Common Stock (1829)	Direct
2021-09-16	Stock Option (Right to Buy)	$24.00	M	2110	Disposed	2029-01-10	Common Stock (2110)	Direct
2021-09-16	Stock Option (Right to Buy)	$31.60	M	865	Disposed	2030-01-01	Common Stock (865)	Direct
2021-09-17	Stock Option (Right to Buy)	$6.03	M	7095	Disposed	2026-06-23	Common Stock (7095)	Direct
2021-09-17	Stock Option (Right to Buy)	$24.00	M	600	Disposed	2029-01-10	Common Stock (600)	Direct
2021-09-17	Stock Option (Right to Buy)	$31.60	M	300	Disposed	2030-01-01	Common Stock (300)	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 $60.00 to $60.40, 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 $60.00 to $60.36, 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: 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 $60.00 to $60.35, 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.

F4: 50% of the shares subject to the option vested on July 13, 2017 and the remaining 50% vested on July 13, 2019.

F5: 33.33% of the shares subject to the option vested on January 10, 2020, 33.33% vested on January 10, 2021 and the remaining balance will vest on January 10, 2022, subject to the Reporting Person's continued service to the Issuer.

F6: 33.33% of the shares subject to the option vested on January 1, 2021, 33.33% will vest on January 1, 2022 and the remaining balance will vest on January 1, 2023, subject to the Reporting Person's continued service to the Issuer.