---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-097833"
form_type: "8-K"
ticker: "AVB"
cik: "0000915912"
company_name: "AVALONBAY COMMUNITIES INC"
filed_at: "2026-08-17T20:01:44+00:00"
generated_at: "2026-08-17T20:03:37.916511+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 1.0
calibrated_materiality_score: 1.0
confidence: "high"
source: SEC EDGAR
---

# AvalonBay-EQR merger closes; Vivmark Residential debuts on NYSE as VMRK

## Summary
- Merger of equals completed Aug 17, 2026; AvalonBay shareholders receive 2.793 Vivmark shares per AVB share.
- Vivmark begins trading Aug 18 on NYSE under VMRK; ~$51B equity market cap, ~$70B enterprise value.
- Combined portfolio: 184,000+ apartments, 11,100 under construction, $4.4B development pipeline.
- Benjamin Schall (ex-AvalonBay CEO) named CEO; Stephen Sterrett Chairman; dual HQ Arlington, VA and Chicago.
- AvalonBay delisted from NYSE; ERP Operating Partnership assumes debt obligations via supplemental indentures.

## SEC filing metadata
- accession: 0001104659-26-097833
- form_type: 8-K
- ticker: AVB
- cik: 0000915912
- company_name: AVALONBAY COMMUNITIES INC
- filed_at: 2026-08-17T20:01:44+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 1.0
- calibrated_materiality_score: 1.0
- confidence: high
- sec_items: 2.01, 3.01, 3.03, 5.01, 5.02, 5.03, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/915912/000110465926097833/0001104659-26-097833-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/915912/000110465926097833/tm2623381d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-097833
- JSON: https://secwatch.observer/filing/0001104659-26-097833.json
- Plain text: https://secwatch.observer/filing/0001104659-26-097833.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.