Equity Residential Completes Merger with AvalonBay; Renames to Vivmark Residential

What Happened
Equity Residential (filed Aug 17, 2026) reported the closing of its merger with AvalonBay, effective Aug 17, 2026. In connection with the closing, the company changed its corporate name to Vivmark Residential, amended its declaration of trust and bylaws, and will begin trading on the NYSE under the new ticker symbol "VMRK" on Aug 18, 2026. The Board was expanded and reconstituted to 14 trustees (seven from AvalonBay and seven legacy trustees) and Benjamin W. Schall was named President and Chief Executive Officer. Several AvalonBay executives also became officers of the combined company.

Key Details

• Name/ticker change: Articles of Amendment filed in Maryland on Aug 17, 2026; NYSE trading under "VMRK" begins Aug 18, 2026. Outstanding share certificates remain valid (no exchange required).
• Board & leadership: Board increased to 14 trustees (continuing trustees include Angela M. Aman, Chris Carr, Mary Kay Haben, Ann C. Hoff, Nina P. Jones, David J. Neithercut and Stephen E. Sterrett; new trustees from AvalonBay include Terry S. Brown, Conor C. Flynn, Christopher B. Howard, Charles E. Mueller, Jr., Timothy J. Naughton, Benjamin W. Schall and Susan Swanezy). Benjamin W. Schall named Chairman and CEO.
• Executive appointments & pay action: Key AvalonBay executives named officers (including Kevin P. O’Shea as CFO, Matthew H. Birenbaum, Sean J. Breslin). Sean Willson appointed Chief Accounting Officer and will receive a one‑time equity award valued at $261,363.
• Trustee compensation: Non-employee trustees get an annual $100,000 cash retainer plus committee retainers (e.g., Non‑Executive Chairman $250,000); annual equity awards have a grant-date value of $210,000, and initial prorated awards were set at $166,849 (vest in full after one year).

Why It Matters
This 8-K documents the legal and governance changes resulting from the merger and rebrand. For investors, the immediate impacts are the corporate name and ticker change (important for tracking and trading), a larger board combining representation from both companies, and new executive leadership that will run the combined business. The filing also outlines trustee compensation and initial equity awards, which are recurring governance costs investors may want to monitor. Financial disclosures from AvalonBay were filed as exhibits, providing the acquired company’s audited results for investor review.