Short answer
Montrose Environmental Group, Inc. (MEG) filed an 8-K current report with the SEC on April 21, 2026 reporting Item 5.03 (Amendments to Articles of Incorporation or Bylaws), Item 7.01 (Regulation FD Disclosure), Item EX-99.1 (Exhibit EX-99.1). Corporate rebrand from Montrose Environmental Group, Inc. to Onterris, Inc., effective April 17, 2026.
Montrose Environmental Group, Inc. 8-K event analysis
AI summary of each reported item and its exhibits
Item 5.03 · Amendments to Articles of Incorporation or Bylaws
- Corporate rebrand from Montrose Environmental Group, Inc. to Onterris, Inc., effective April 17, 2026
- Common stock begins trading as “ONT” on the NYSE May 4, 2026
- No change to voting rights, share validity, transferability, or CUSIP
- Stockholder approval was not required under Delaware Section 242
Item 7.01 · Regulation FD Disclosure
- April 21, 2026 press release announced Montrose Environmental Group’s name change
- Name change may affect investor recognition, ticker-related materials, branding, and company communications
- Full announcement details appear in Exhibit 99.1
Item EX-99.1 · Exhibit EX-99.1
- Corporate rebrand from Montrose Environmental Group to Onterris, consolidating Montrose, ECT2, CTEH, Enthalpy Analytical and Epic Environmental
- NYSE ticker changes from MEG to ONT effective May 4, 2026
- Unified branding intended to improve client engagement, cross-service alignment and long-term organic growth
- No transaction, financial obligation or operating-results change disclosed; investor impact primarily branding and ticker recognition
Generated from the filing text and exhibits; verify against the original. What 8-K item codes mean
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