Who
Matthew H. Birenbaum
Executive Vice President & CDO
Company insider
Files Form 4 as: Executive Vice President & CDO, Vivmark Residential; Chief Investment Officer, AvalonBay Communities.
In numbers
- Trades disclosed
- 100
- Buys
- 0
- Sells
- 5
- Bought
- $0
- Sold
- $4.6M
- Companies
- 2
- Companies where not an officer
- 0
- First trade
- 9 Nov 2011
- Last trade
- 20 Aug 2026
- Last filed
- 24 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 20 Aug 2026filed 24 Aug 2026 | Vivmark Residential | SEC FORM 4 Code G | —1,400 at $0.00 | filing |
| 20 Aug 2026filed 24 Aug 2026 | VMRK Vivmark ResidentialREITs | SEC FORM 4 Code G | —1,400 at $0.00 | filing |
| 17 Aug 2026filed 19 Aug 2026 | Vivmark Residential | SEC FORM 4 Code A | —35,946 at $0.00 | filing |
| 17 Aug 2026filed 19 Aug 2026 | Vivmark Residentialoption or derivative | SEC FORM 4 Code A | $6,60413,208 at $0.50 | filing |
| 17 Aug 2026filed 19 Aug 2026 | Vivmark Residentialoption or derivative | SEC FORM 4 Code A | —13,292 at $0.00 | filing |
| 17 Aug 2026filed 19 Aug 2026 | VMRK Vivmark Residentialoption or derivative · REITs | SEC FORM 4 Code A | $6,60413,208 at $0.50 | filing |
| 17 Aug 2026filed 19 Aug 2026 | VMRK Vivmark Residentialoption or derivative · REITs | SEC FORM 4 Code A | —13,292 at $0.00 | filing |
| 17 Aug 2026filed 19 Aug 2026 | VMRK Vivmark Residentialoption or derivative · REITs | SEC FORM 4 Code A | —15,018 at $0.00 | filing |
| 17 Aug 2026filed 19 Aug 2026 | VMRK Vivmark Residentialoption or derivative · REITs | SEC FORM 4 Code A | —31,525 at $0.00 | filing |
| 17 Aug 2026filed 19 Aug 2026 | Vivmark Residentialoption or derivative | SEC FORM 4 Code A | —15,018 at $0.00 | filing |
| 17 Aug 2026filed 19 Aug 2026 | Vivmark Residentialoption or derivative | SEC FORM 4 Code A | —31,525 at $0.00 | filing |
| 17 Aug 2026filed 19 Aug 2026 | VMRK Vivmark ResidentialREITs | SEC FORM 4 Code A | —35,946 at $0.00 | filing |
| 17 Aug 2026filed 17 Aug 2026 | AvalonBay CommunitiesREITs | SEC FORM 4 Code A | —27,735 at $0.00 | filing |
| 17 Aug 2026filed 17 Aug 2026 | AvalonBay CommunitiesREITs | SEC FORM 4 Code D | —113,020.943 at $0.00 | filing |
| 17 Aug 2026filed 17 Aug 2026 | AvalonBay Communitiesoption or derivative · REITs | SEC FORM 4 Code D | —17,458 | filing |
| 17 Aug 2026filed 17 Aug 2026 | AvalonBay Communitiesoption or derivative · REITs | SEC FORM 4 Code D | —17,458 | filing |
| 17 Aug 2026filed 17 Aug 2026 | AvalonBay CommunitiesREITs | SEC FORM 4 Code A | —27,735 at $0.00 | filing |
| 17 Aug 2026filed 17 Aug 2026 | AvalonBay CommunitiesREITs | SEC FORM 4 Code D | —113,020.94 at $0.00 | filing |
| 1 Mar 2026filed 22 Jun 2026 | AvalonBay CommunitiesREITs | SEC FORM 4 Code F | $1.3M7,595 at $177.23 | filing |
| 1 Mar 2026filed 22 Jun 2026 | AvalonBay CommunitiesREITs | SEC FORM 4 Code F | $1.3M7,595 at $177.23 | filing |
News
No headline names them, or the companies they trade most, lately.