MONTROSE ENVIRONMENTAL GROUP

Ticker: MEG CUSIP: 615111101 Class: Common Stock

ArrowMark Colorado Holdings LLC's Holding History (CIK: 0001483859)

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

Q4 2025
Shares 269,413 Value ($000) $6,690 Avg Close $26.42 Range $23.36 - $30.90
Q3 2025
Shares 277,430 Value ($000) $7,618 Avg Close $26.13 Range $20.34 - $32.00
Q2 2025
Shares 276,644 Value ($000) $6,056 Avg Close $17.93 Range $10.51 - $24.00
Q1 2025
Shares 322,100 Value ($000) $4,593 Avg Close $19.04 Range $13.79 - $24.79
Q4 2024
Shares 341,335 Value ($000) $6,332 Avg Close $21.03 Range $15.21 - $28.27
Q3 2024
Shares 263,252 Value ($000) $6,924 Avg Close $32.33 Range $24.85 - $45.13
Q2 2024
Shares 215,421 Value ($000) $9,599 Avg Close $44.99 Range $35.60 - $49.97
Q1 2024
Shares 259,710 Value ($000) $10,173 Avg Close $33.50 Range $25.98 - $42.72
Q4 2023
Shares 371,600 Value ($000) $11,940 Avg Close $28.70 Range $21.96 - $33.95
Q3 2023
Shares 279,758 Value ($000) $8,186 Avg Close $38.00 Range $28.61 - $45.96
Q3 2021
Shares 99,384 Value ($000) $6,136 Avg Close $52.31 Range $43.60 - $68.65
Q2 2021
Shares 260,701 Value ($000) $13,989 Avg Close $52.64 Range $46.06 - $59.62
Q1 2021
Shares 303,667 Value ($000) $15,241 Avg Close $42.25 Range $30.91 - $51.62
Q4 2020
Shares 487,963 Value ($000) $15,107 Avg Close $28.43 Range $21.98 - $35.89
Q3 2020
Shares 678,358 Value ($000) $16,158 Avg Close $25.41 Range $16.41 - $33.10