MONTROSE ENVIRONMENTAL GROUP

Ticker: MEG CUSIP: 615111101 Class: Common Stock

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 10,944 Value ($000) $272 Avg Close $26.42 Range $23.36 - $30.90

Q3 2024

Shares 120,699 Value ($000) $3,174 Avg Close $32.33 Range $24.85 - $45.13

Q1 2021

Shares 16,514 Value ($000) $829 Avg Close $42.25 Range $30.91 - $51.62

Q4 2020

Shares 21,187 Value ($000) $656 Avg Close $28.43 Range $21.98 - $35.89

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,944	$272	$26.42	$23.36 - $30.90
Q3 2024	120,699	$3,174	$32.33	$24.85 - $45.13
Q1 2021	16,514	$829	$42.25	$30.91 - $51.62
Q4 2020	21,187	$656	$28.43	$21.98 - $35.89