4Filing Date: Aug 19, 2026

Equity Residential (EQR)

Statement of Changes in Beneficial Ownership

View SEC Filing
ACC: 0000906107-26-000071
Total Value$16.1K
Trades3
Insiders1

Transaction Details

Willson Sean Thomas
Senior Vice President & CAO·Direct
Sell · Dispose
Common Shares Of Beneficial Interest
Shares-250
Price$64.32
Total Value$16.1K
Shares Owned After18.29K
Transaction DateAug 19, 2026
Footnotes ▸

Direct total includes restricted shares of VMRK scheduled to vest in the future.

Willson Sean Thomas
Senior Vice President & CAO·Direct
Grant · Acquire
Common Shares Of Beneficial Interest
Shares+2.05K
Price$0.00
Total Value$0
Shares Owned After18.54K
Transaction DateAug 17, 2026
Footnotes ▸

Represents restricted shares scheduled to vest on August 17, 2029. | Direct total includes restricted shares of VMRK scheduled to vest in the future.

Willson Sean Thomas
Senior Vice President & CAO·Direct
Grant · Acquire
Common Shares Of Beneficial Interest
Shares+3.99K
Price$0.00
Total Value$0
Shares Owned After16.49K
Transaction DateAug 17, 2026
Footnotes ▸

Pursuant to the Agreement and Plan of Merger, dated as of May 20, 2026 (the "Merger Agreement"), by and among AvalonBay Communities, Inc., a Maryland corporation ("AVB"), Vivmark Residential (f/k/a Equity Residential), a Maryland real estate investment trust ("VMRK"), ERP Operating Limited Partnership, an Illinois limited partnership (the "OP"), and Canopy Merger Sub LLC, a Maryland limited liability company ("Merger Sub"), AVB and VMRK combined in a merger of equals on August 17, 2026, with AVB merging with and into Merger Sub, with Merger Sub surviving as a wholly owned subsidiary of VMRK (the "Merger"). Merger Sub subsequently merged with and into the OP, with the OP continuing as the surviving entity. | Pursuant to the Merger Agreement, each award outstanding immediately prior to the effective time of the Merger (the "Effective Time") with respect to shares of common stock, par value $0.01 per share (the "AVB Common Stock"), of AVB that vest on the basis of the achievement of applicable performance goals (each, an "AVB Performance Award") was converted into a VMRK restricted share award. | Each VMRK restricted share award is subject to the same time-based vesting conditions that were previously applicable to the AVB Performance Award with respect to a number of common shares of beneficial interest, $0.01 par value per share ("VMRK Common Shares"), of VMRK, rounded to the nearest whole number of shares, equal to the product of (i) the number of shares of AVB Common Stock subject to such AVB Performance Award, determined by deeming any performance-based vesting criteria applicable to such AVB Performance Award to be achieved based on the greater of target performance and the actual level of performance (which was calculated as of the latest practicable date prior to the Effective Time and certified by the Compensation Committee of the AVB board prior to the Effective Time) and (ii) 2.793. | Direct total includes restricted shares of VMRK scheduled to vest in the future.

Post-Transaction Holdings

Willson Sean Thomas · Senior Vice President & CAO
SecuritySharesChange
Common Shares Of Beneficial Interest18.29K+5.80K (46.40%)
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-17 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: VIVMARK RESIDENTIAL (VMRK) CIK: 0000906107 --- Reporting Owner --- Name: Willson Sean Thomas CIK: 0002048274 Role: Officer (Senior Vice President & CAO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Shares Of Beneficial Interest Date: 2026-08-17 | Code: A (Grant or award) Shares: +3,994 | Price: $0.00 Shares Owned After: 16,486 | Ownership: D (Direct) Footnotes: [F1] Pursuant to the Agreement and Plan of Merger, dated as of May 20, 2026 (the "Merger Agreement"), by and among AvalonBay Communities, Inc., a Maryland corporation ("AVB"), Vivmark Residential (f/k/a Equity Residential), a Maryland real estate investment trust ("VMRK"), ERP Operating Limited Partnership, an Illinois limited partnership (the "OP"), and Canopy Merger Sub LLC, a Maryland limited liability company ("Merger Sub"), AVB and VMRK combined in a merger of equals on August 17, 2026, with AVB merging with and into Merger Sub, with Merger Sub surviving as a wholly owned subsidiary of VMRK (the "Merger"). Merger Sub subsequently merged with and into the OP, with the OP continuing as the surviving entity. [F2] Pursuant to the Merger Agreement, each award outstanding immediately prior to the effective time of the Merger (the "Effective Time") with respect to shares of common stock, par value $0.01 per share (the "AVB Common Stock"), of AVB that vest on the basis of the achievement of applicable performance goals (each, an "AVB Performance Award") was converted into a VMRK restricted share award. [F3] Each VMRK restricted share award is subject to the same time-based vesting conditions that were previously applicable to the AVB Performance Award with respect to a number of common shares of beneficial interest, $0.01 par value per share ("VMRK Common Shares"), of VMRK, rounded to the nearest whole number of shares, equal to the product of (i) the number of shares of AVB Common Stock subject to such AVB Performance Award, determined by deeming any performance-based vesting criteria applicable to such AVB Performance Award to be achieved based on the greater of target performance and the actual level of performance (which was calculated as of the latest practicable date prior to the Effective Time and certified by the Compensation Committee of the AVB board prior to the Effective Time) and (ii) 2.793. [F4] Direct total includes restricted shares of VMRK scheduled to vest in the future. [Transaction #2] Security: Common Shares Of Beneficial Interest Date: 2026-08-17 | Code: A (Grant or award) Shares: +2,052 | Price: $0.00 Shares Owned After: 18,538 | Ownership: D (Direct) Footnotes: [F5] Represents restricted shares scheduled to vest on August 17, 2029. [F4] Direct total includes restricted shares of VMRK scheduled to vest in the future. [Transaction #3] Security: Common Shares Of Beneficial Interest Date: 2026-08-19 | Code: S (Open market sale) Shares: -250 | Price: $64.32 Total Value: $16,080.00 Shares Owned After: 18,288 | Ownership: D (Direct) Footnotes: [F4] Direct total includes restricted shares of VMRK scheduled to vest in the future. --- Footnotes (Complete Index) --- F1: Pursuant to the Agreement and Plan of Merger, dated as of May 20, 2026 (the "Merger Agreement"), by and among AvalonBay Communities, Inc., a Maryland corporation ("AVB"), Vivmark Residential (f/k/a Equity Residential), a Maryland real estate investment trust ("VMRK"), ERP Operating Limited Partnership, an Illinois limited partnership (the "OP"), and Canopy Merger Sub LLC, a Maryland limited liability company ("Merger Sub"), AVB and VMRK combined in a merger of equals on August 17, 2026, with AVB merging with and into Merger Sub, with Merger Sub surviving as a wholly owned subsidiary of VMRK (the "Merger"). Merger Sub subsequently merged with and into the OP, with the OP continuing as the surviving entity. F2: Pursuant to the Merger Agreement, each award outstanding immediately prior to the effective time of the Merger (the "Effective Time") with respect to shares of common stock, par value $0.01 per share (the "AVB Common Stock"), of AVB that vest on the basis of the achievement of applicable performance goals (each, an "AVB Performance Award") was converted into a VMRK restricted share award. F3: Each VMRK restricted share award is subject to the same time-based vesting conditions that were previously applicable to the AVB Performance Award with respect to a number of common shares of beneficial interest, $0.01 par value per share ("VMRK Common Shares"), of VMRK, rounded to the nearest whole number of shares, equal to the product of (i) the number of shares of AVB Common Stock subject to such AVB Performance Award, determined by deeming any performance-based vesting criteria applicable to such AVB Performance Award to be achieved based on the greater of target performance and the actual level of performance (which was calculated as of the latest practicable date prior to the Effective Time and certified by the Compensation Committee of the AVB board prior to the Effective Time) and (ii) 2.793. F4: Direct total includes restricted shares of VMRK scheduled to vest in the future. F5: Represents restricted shares scheduled to vest on August 17, 2029. --- Signature --- /s/ /s/ Samantha Thompson, Attorney-in-fact (2026-08-19)

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