Matthew H. Birenbaum
CIK 1532949 · Chief Investment Officer · last filed 2026-03-03
Matthew H. Birenbaum is a Chief Investment Officer who has filed 40 SEC Form 4 insider transactions across 1 company since 2011. The most recent filing shows the insider had shares withheld for taxes covering $1.0M of AVB on Mar 3, 2026. Across all open-market trades the lifetime net is −$4.6M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $16.3M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$16.30M
1
40
-$4.62M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| AVB | Chief Investment Officer | 87,168 | $187.03 | $16.30M | -$4.62M | 40 | 2026-03-03 |
Recent Filings
40 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-03 | AVB | Tax (F) | −5,706 | -$1.01M | EDGAR |
| 2026-03-02 | AVB | Grant (A) | +20,067 | $0 | EDGAR |
| 2025-06-18 | AVB | Gift (G) | −500 | $0 | EDGAR |
| 2025-03-04 | AVB | Mixed | −6,449 | -$1.36M | EDGAR |
| 2025-02-28 | AVB | Grant (A) | +13,774 | $0 | EDGAR |
| 2024-08-07 | AVB | Sell (S) | −5,000 | -$1.04M | EDGAR |
| 2024-05-03 | AVB | Gift (G) | −500 | $0 | EDGAR |
| 2024-03-05 | AVB | Tax (F) | −7,162 | $0 | EDGAR |
| 2024-02-15 | AVB | Grant (A) | +16,467 | $0 | EDGAR |
| 2023-08-15 | AVB | Gift (G) | −500 | $0 | EDGAR |