MONTROSE ENVIRONMENTAL GROUP

Ticker: MEG CUSIP: 615111101 Class: Common Stock

Granahan Investment Management, LLC's Holding History (CIK: 0001026710)

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

Q4 2025

Shares 199,317 Value ($000) $4,949 Avg Close $26.42 Range $23.36 - $30.90

Q3 2025

Shares 90,740 Value ($000) $2,492 Avg Close $26.13 Range $20.34 - $32.00

Q3 2024

Shares 556,057 Value ($000) $14,624 Avg Close $32.33 Range $24.85 - $45.13

Q2 2024

Shares 483,300 Value ($000) $21,536 Avg Close $44.99 Range $35.60 - $49.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	199,317	$4,949	$26.42	$23.36 - $30.90
Q3 2025	90,740	$2,492	$26.13	$20.34 - $32.00
Q3 2024	556,057	$14,624	$32.33	$24.85 - $45.13
Q2 2024	483,300	$21,536	$44.99	$35.60 - $49.97