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 |
|---|---|---|---|
| DEFA14A | Additional proxy material | Mar 24, 2026 | — |
| DEF 14A | Proxy statement | Mar 24, 2026 | May 6, 2026 |
| DEFA14A | Additional proxy material | Mar 24, 2025 | — |
| DEF 14A | Proxy statement | Mar 24, 2025 | May 6, 2025 |
| PRE 14A | Preliminary proxy statement | Mar 7, 2025 | May 6, 2025 |
| DEFA14A | Additional proxy material | Apr 22, 2024 | — |
| DEFA14A | Additional proxy material | Mar 25, 2024 | — |
| DEF 14A | Proxy statement | Mar 25, 2024 | May 7, 2024 |
| PRE 14A | Preliminary proxy statement | Mar 11, 2024 | May 7, 2024 |
| DEFA14A | Additional proxy material | Mar 28, 2023 | — |
| DEF 14A | Proxy statement | Mar 28, 2023 | — |
| DEFA14A | Additional proxy material | Mar 29, 2022 | — |
| DEF 14A | Proxy statement | Mar 29, 2022 | May 10, 2022 |
| DEFA14A | Additional proxy material | Apr 1, 2021 | — |
| DEF 14A | Proxy statement | Apr 1, 2021 | May 13, 2021 |
Showing 15 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)
Other Services-Management Consulting Services companies
- Cgi Inc GIB
- Booz Allen Hamilton Holding Corp BAH
- Genpact LTD G
- Fti Consulting, Inc FCN
- Exponent Inc EXPO
- Huron Consulting Group Inc. HURN
- Astrana Health, Inc. ASTH
- ICF International, Inc. ICFI
Source: SEC EDGAR filings. This is company-reported data, not investment advice.