Birenbaum Matthew H. (CIK 1532949) reported 10 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-08-19). Recent activity: Buy VMRK (35,946 shares), Buy AVB (27,735 shares), Sell AVB (113,021 shares), Sell AVB (7,595 shares), Sell AVB (5,706 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | VIVMARK RESIDENTIAL (VMRK) | Executive Vice President & CDO | Buy | 35,946 | $0 |
| 2026-08-17 | AVALONBAY COMMUNITIES INC (AVB) | Chief Investment Officer | Buy | 27,735 | $0 |
| 2026-08-17 | AVALONBAY COMMUNITIES INC (AVB) | Chief Investment Officer | Sell | 113,021 | $0 |
| 2026-06-22 | AVALONBAY COMMUNITIES INC (AVB) | Chief Investment Officer | Sell | 7,595 | $1.3M |
| 2026-03-03 | AVALONBAY COMMUNITIES INC (AVB) | Chief Investment Officer | Sell | 5,706 | $1.0M |
| 2026-03-02 | AVALONBAY COMMUNITIES INC (AVB) | Chief Investment Officer | Buy | 7,926 | $0 |
| 2026-03-02 | AVALONBAY COMMUNITIES INC (AVB) | Chief Investment Officer | Buy | 12,141 | $0 |
| 2025-06-18 | AVALONBAY COMMUNITIES INC (AVB) | Chief Investment Officer | Sell | 500 | $0 |
| 2025-03-04 | AVALONBAY COMMUNITIES INC (AVB) | Chief Investment Officer | Sell | 450 | $0 |
| 2025-03-04 | AVALONBAY COMMUNITIES INC (AVB) | Chief Investment Officer | Sell | 5,999 | $1.4M |
Source: SEC Form 4 filings · as of 2026-08-19