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CIK 0001643615 · Large accelerated filer

Onterris, Inc.

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Ticker
ONT
Exchange
NYSE
Industry
Services-Management Consulting Services
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
464195044
Phone
(949) 988-3500
Business address
4 PARK PLAZA, SUITE 790, IRVINE, CA, 92614
Former names
Montrose Environmental Group, Inc.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2026-03-04 Revuelta Jose Chief Strategy Officer Option exercise · Stock Option (Right to Buy) −42,668 35,207
2026-03-03 Revuelta Jose Chief Strategy Officer Option exercise +60,000 $6.03 $362K 329,828
2026-03-03 Revuelta Jose Chief Strategy Officer Sale −60,000 $28.00 $1.7M 269,282
2026-03-03 Revuelta Jose Chief Strategy Officer Option exercise · Stock Option (Right to Buy) −60,000 77,875
2026-03-03 Revuelta Jose Chief Strategy Officer Grant or award +60,000 $6.03 $362K 329,282
2026-03-03 Revuelta Jose Chief Strategy Officer Returned to the company −60,000 $28.37 $1.7M 269,282
2026-03-03 Revuelta Jose Chief Strategy Officer Option exercise · Stock Option (Right to Buy) −60,000 77,875
2026-03-03 Afsari Nasym General Counsel and Secretary Option exercise 10b5-1 +43,348 $6.03 $261K 248,226
2026-03-03 Afsari Nasym General Counsel and Secretary Sale 10b5-1 −43,348 $28.37 $1.2M 204,878
2026-03-03 Afsari Nasym General Counsel and Secretary Option exercise · Stock Option (Right to Buy) 10b5-1 −43,348 0
2026-03-02 PRESBY J THOMAS Director Option exercise +10,000 $9.76 $98K 72,614
2026-03-02 PRESBY J THOMAS Director Sale −9,541 $28.82 $275K 63,073
2026-03-02 PRESBY J THOMAS Director Sale −459 $29.89 $14K 62,614
2026-03-02 PRESBY J THOMAS Director Option exercise · Stock Option (Right to Buy) −10,000 0
2026-03-02 Afsari Nasym General Counsel and Secretary Sale 10b5-1 −200 $30.00 $6K 204,878
2026-01-01 Colman Vincent Director Grant or award +4,430 12,426
2026-01-01 Newmark Robin Director Grant or award +4,430 29,989
2026-01-01 PRESBY J THOMAS Director Grant or award +4,430 62,614
2026-01-01 GRAHAM PETER Director Grant or award +4,430 226,689
2026-01-01 Fernandez de Castro Jose Miguel Director Grant or award +4,430 162,892

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