Montrose Environmental Group, Inc. (ONT) Insider Ownership

Historic Insider Ownership Trends

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Peter Graham - 226,689 0 05 Jan, 2026
Richard E Perlman - 618,616 0 16 Mar, 2026
De Castro Jose Miguel Fernandez - 162,892 0 05 Jan, 2026
Joshua W. Lemaire Chief Operating Officer 237,098 0 20 Dec, 2021
Janet Risi Field - 28,288 0 05 Jan, 2026
Robin Newmark - 29,989 0 05 Jan, 2026
Jose Revuelta Chief Strategy Officer 269,282 0 11 Mar, 2026
Allan Dicks Chief Financial Officer 211,643 0 19 Dec, 2025
Nasym Afsari General Counsel And Secretary 204,878 0 04 Mar, 2026
Vijay Manthripragada President Ceo 236,788 0 16 Mar, 2026
Vincent Colman - 12,426 0 05 Jan, 2026
James Laws Chief Operating Officer 18,761 0 13 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
13 Mar, 2026 Vijay Manthripragada Common Stock A 33,166 $6.03 196,917 D M
13 Mar, 2026 Richard E Perlman Common Stock D 74,461 $0.00 618,616 D G
13 Mar, 2026 Vijay Manthripragada Common Stock A 85,992 $6.03 282,909 D M
13 Mar, 2026 Vijay Manthripragada Common Stock D 46,121 $25.41 236,788 D S
13 Mar, 2026 Vijay Manthripragada Stock Option (Right to Buy) D 33,166 $0.00 85,992 D M
13 Mar, 2026 Vijay Manthripragada Stock Option (Right to Buy) D 85,992 $0.00 0 D M
11 Mar, 2026 James Laws Common Stock A 18,761 $0.00 18,761 D A
09 Mar, 2026 Jose Revuelta Common Stock A 7,858 $6.03 277,140 D M
09 Mar, 2026 Jose Revuelta Common Stock A 7,858 $6.03 277,140 D M
03 Mar, 2026 Jose Revuelta Common Stock A 60,000 $6.03 329,828 D M
03 Mar, 2026 Jose Revuelta Common Stock A 60,000 $6.03 329,828 D M
09 Mar, 2026 Jose Revuelta Common Stock D 7,858 $27.00 269,282 D S
09 Mar, 2026 Jose Revuelta Common Stock D 7,858 $27.00 269,282 D S
03 Mar, 2026 Jose Revuelta Common Stock D 60,000 $28.00 269,282 D S
03 Mar, 2026 Jose Revuelta Common Stock D 60,000 $28.00 269,282 D S
04 Mar, 2026 Jose Revuelta Common Stock A 42,668 $6.03 311,950 D M
04 Mar, 2026 Jose Revuelta Common Stock A 42,668 $6.03 311,950 D M
09 Mar, 2026 Jose Revuelta Stock Option (Right to Buy) D 7,858 $0.00 27,349 D M
09 Mar, 2026 Jose Revuelta Stock Option (Right to Buy) D 7,858 $0.00 27,349 D M
04 Mar, 2026 Jose Revuelta Common Stock D 42,668 $27.56 269,282 D S