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 |
|---|---|---|---|
| S-8 | Employee stock plan registration | Feb 26, 2026 | — |
| S-8 | Employee stock plan registration | Mar 3, 2025 | — |
| 424B5 | Prospectus supplement | Apr 19, 2024 | — |
| 424B5 | Prospectus supplement | Apr 16, 2024 | — |
| S-3ASR | Automatic shelf registration | Apr 16, 2024 | — |
| S-8 | Employee stock plan registration | Feb 29, 2024 | — |
| S-8 | Employee stock plan registration | Mar 1, 2023 | — |
| S-8 | Employee stock plan registration | Mar 1, 2022 | — |
| 424B5 | Prospectus supplement | Sep 30, 2021 | — |
| 424B5 | Prospectus supplement | Sep 27, 2021 | — |
| 424B3 | Prospectus | Aug 20, 2021 | — |
| S-3 | Shelf registration | Aug 11, 2021 | — |
| S-3ASR | Automatic shelf registration | Aug 11, 2021 | — |
| S-8 | Employee stock plan registration | Mar 26, 2021 | — |
| 424B4 | Prospectus | Nov 25, 2020 | — |
| S-1 | Registration statement | Nov 23, 2020 | — |
| S-8 | Employee stock plan registration | Sep 1, 2020 | — |
| 424B4 | Prospectus | Jul 23, 2020 | — |
| S-1/A | Amended registration statement | Jul 20, 2020 | — |
| S-1/A | Amended registration statement | Jul 14, 2020 | — |
| S-1 | Registration statement | Jun 29, 2020 | — |
Showing 21 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.
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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.