secwatch.observer — SEC 8-K summary
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Issuer:     Onterris, Inc. (ONT)
CIK:        0001643615
Form:       8-K
Filed at:   2026-04-21T23:59:59+00:00
Accession:  0001193125-26-166730
Event type: other_material
Sentiment:  neutral
Materiality: 0.40
Item codes: 5.03, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Montrose Environmental rebrands to Onterris, Inc.; ticker changes to ONT on May 4
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- Name change to Onterris, Inc. effective April 17, 2026; no stockholder vote required.
- NYSE ticker symbol will change from MEG to ONT effective at market open on May 4, 2026.
- Rebranding unites brands including ECT2, CTEH, Enthalpy Analytical and Epic Environmental.
- CEO Vijay Manthripragada cites 'For Planet & Progress' guiding principle.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1643615/000119312526166730/0001193125-26-166730-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1643615/000119312526166730/meg-20260417.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-166730

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer