Peter Graham

Insider Reports History

Location: Raleigh, NC
Signature: /s/ Nasym Afsari, Attorney in Fact
All insider transactions: Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Peter Graham:

Form 4 holding Director

Montrose Environmental Group, Inc.

Security class: Common Stock
Shares / value: 226,689
Estimated value: $5,628,370
Report date: 01 Jan 2026
Price: $24.83
Ownership: Direct

Form 4 holding Director, 10%+ Owner

Thrive Acquisition Corp

Security class: Class B Ordinary Shares
Shares / value: 0
Estimated value
Report date: 30 Jan 2023
Price
Ownership: Indirect
Underlying class: Class A Ordinary Shares
Underlying amount

Insider Reports Filed by Peter Graham

4 MEG

Montrose Environmental Group, Inc.

Report period: 01 Jan 2026
Transactions: 1
Transaction value: $0
Filing time: 06 Jan 2026, 18:30
Role: Director
Next action: Open filing details

4 MEG

Montrose Environmental Group, Inc.

Report period: 01 Jan 2025
Transactions: 1
Transaction value: $0
Filing time: 03 Jan 2025, 21:03
Role: Director
Next action: Open filing details

4 MEG

Montrose Environmental Group, Inc.

Report period: 01 Jan 2024
Transactions: 1
Transaction value: $0
Filing time: 02 Jan 2024, 21:19
Role: Director
Next action: Open filing details

4

Thrive Acquisition Corp

Report period: 30 Jan 2023
Transactions: 1
Transaction value: $0
Filing time: 02 Mar 2023, 12:08
Role: Director, 10%+ Owner
Next action: Open filing details

4 MEG

Montrose Environmental Group, Inc.

Report period: 01 Jan 2023
Transactions: 1
Transaction value: $0
Filing time: 03 Jan 2023, 17:01
Role: Director
Next action: Open filing details

4 MEG

Montrose Environmental Group, Inc.

Report period: 01 Jan 2022
Transactions: 1
Transaction value: $0
Filing time: 03 Jan 2022, 17:12
Role: Director
Next action: Open filing details

3

Thrive Acquisition Corp

Report period: 20 Oct 2021
Transactions: 0
Transaction value: $0
Filing time: 20 Oct 2021, 21:36
Role: Director, 10%+ Owner
Next action: Open filing details

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