MONTROSE ENVIRONMENTAL GROUP

Ticker: MEG CUSIP: 615111101 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q3 2025
Shares 12,158 Value ($000) $0 Avg Close $26.13 Range $20.34 - $32.00
Q1 2025
Shares 19,703 Value ($000) $0 Avg Close $19.04 Range $13.79 - $24.79
Q4 2024
Shares 3,614 Value ($000) $0 Avg Close $21.03 Range $15.21 - $28.27
Q2 2024
Shares 161 Value ($000) $0 Avg Close $44.99 Range $35.60 - $49.97
Q1 2024
Shares 98 Value ($000) $0 Avg Close $33.50 Range $25.98 - $42.72
Q4 2023
Shares 124 Value ($000) $0 Avg Close $28.70 Range $21.96 - $33.95
Q3 2023
Shares 50 Value ($000) $0 Avg Close $38.00 Range $28.61 - $45.96
Q3 2021
Shares 863 Value ($000) $44 Avg Close $52.31 Range $43.60 - $68.65
Q2 2021
Shares 863 Value ($000) $46 Avg Close $52.64 Range $46.06 - $59.62
Q1 2021
Shares 4,184 Value ($000) $209 Avg Close $42.25 Range $30.91 - $51.62
Q4 2020
Shares 1,407 Value ($000) $43 Avg Close $28.43 Range $21.98 - $35.89