Onterris Inc.

Last updated September 27, 2026

Organization details

Legal name
Onterris Inc.
Former names
Montrose Environmental Group, Inc.
Ownership
Public
Status
Active
SIC code
8742 — Services-Management Consulting Services
Jurisdiction of incorporation
Delaware
Headquarters city
Irvine
Headquarters state / province
California
Headquarters country
United States
Fiscal year end
December
Ticker symbol
ONT
Primary stock exchange
NYSE

Identifiers

SEC CIK
0001643615
EIN
46-4195044

Board of directors

Chief executives

Vijay Manthripragada · President & CEO
Dates unknown

Director election results

Annual meeting of May 7, 2024. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$610,003
3 purchases by 2 insiders
Sold, last 12 months
$5,104,464
10 sales by 4 insiders
Date Insider Transaction Shares Price Value
Jun 5, 2026 Peter Graham Director Open-market purchase +25,140 $17.19 $432,157
Jun 3, 2026 Peter Graham Director Open-market purchase +4,860 $15.94 $77,468
May 11, 2026 Revuelta Jose Officer (Chief Strategy Officer) Option exercise +27,349 $6.03 $164,914
May 11, 2026 Dicks Allan Officer (Chief Financial Officer) Open-market purchase +6,535 $15.36 $100,378
Mar 13, 2026 Vijay Manthripragada Director, Officer (President & CEO) Option exercise +33,166 $6.03 $199,991
Mar 13, 2026 Richard E. Perlman Director Gift −74,461 — —
Mar 13, 2026 Vijay Manthripragada Director, Officer (President & CEO) Option exercise +85,992 $6.03 $518,532
Mar 13, 2026 Vijay Manthripragada Director, Officer (President & CEO) Open-market sale −46,121 $25.41 $1,171,935
Mar 11, 2026 Laws James Officer (Chief Operating Officer) Grant or award +18,761 — —
Mar 9, 2026 Revuelta Jose Officer (Chief Strategy Officer) Option exercise +7,858 $6.03 $47,384
Mar 9, 2026 Revuelta Jose Officer (Chief Strategy Officer) Open-market sale −7,858 $27.00 $212,166
Mar 4, 2026 Revuelta Jose Officer (Chief Strategy Officer) Grant or award +42,668 $6.03 $257,288
Mar 4, 2026 Revuelta Jose Officer (Chief Strategy Officer) Sold back to the company −42,668 $27.56 $1,175,930
Mar 3, 2026 Revuelta Jose Officer (Chief Strategy Officer) Grant or award +60,000 $6.03 $361,800
Mar 3, 2026 Revuelta Jose Officer (Chief Strategy Officer) Sold back to the company −60,000 $28.37 $1,702,200

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