Onterris, Inc. SEC filings ONT

Onterris, Inc. has 382 filings in SEC EDGAR's recent list, going back to Jun 8, 2015. Its latest annual report, Form ARS, was filed on Mar 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.

Form Description Filed Period
ARS Annual report to shareholders Mar 24, 2026 Dec 31, 2025
10-K Annual report Feb 26, 2026 Dec 31, 2025
ARS Annual report to shareholders Mar 24, 2025 Dec 31, 2024
10-K Annual report Mar 3, 2025 Dec 31, 2024
ARS Annual report to shareholders Mar 25, 2024 Dec 31, 2023
10-K Annual report Feb 29, 2024 Dec 31, 2023
ARS Annual report to shareholders Mar 28, 2023 Dec 31, 2022
10-K Annual report Mar 1, 2023 Dec 31, 2022
10-K Annual report Mar 1, 2022 Dec 31, 2021
10-K Annual report Mar 24, 2021 Dec 31, 2020

Showing 10 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

Company profile

Industry
Services-Management Consulting Services (SIC 8742)
Listed as
ONT (NYSE)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Irvine, CA
SEC filer status
Large accelerated filer
SEC CIK
1643615
Former names
Montrose Environmental Group, Inc. (until Apr 21, 2026)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.