DAVID MANDELBAUM
CIK 1246483 · last filed 2026-05-22
DAVID MANDELBAUM is a corporate insider who has filed 40 SEC Form 4 insider transactions across 8 companies since 2007. The most recent filing, for VNOpO, was dated May 22, 2026. Across all open-market trades the lifetime net is −$706.1K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $357.7M 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.
$357.74M
8
40
-$706.1K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| VNOpO | Director | — | $14.90 | — | $0 | 5 | 2026-05-22 |
| ALX | Director | 1,362,305 | $262.60 | $357.74M | -$706.1K | 16 | 2026-05-22 |
| VNOpN | Director | — | $17.47 | — | $0 | 1 | 2021-05-24 |
| VNOpM | Director | — | $17.67 | — | $0 | 3 | 2020-05-18 |
| VORNADO REALTY TRUST (VNOw) Delisted | Director | — | — | — | $0 | 3 | 2017-05-22 |
| VNOpL | Director | — | $17.85 | — | $0 | 2 | 2013-08-09 |
| VORNADO REALTY TRUST (VNOpJ) Delisted | Director | — | — | — | $0 | 2 | 2012-05-29 |
| VORNADO REALTY TRUST (VNOpI) Delisted | Director | 539,556 | — | — | $0 | 8 | 2010-05-17 |
Recent Filings
40 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-22 | VNOpO | Grant (A) | — | $0 | EDGAR |
| 2026-05-22 | ALX | Grant (A) | — | $0 | EDGAR |
| 2025-05-23 | VNOpO | Grant (A) | — | $0 | EDGAR |
| 2025-05-23 | ALX | Grant (A) | — | $0 | EDGAR |
| 2024-05-24 | VNOpO | Grant (A) | — | $0 | EDGAR |
| 2024-05-24 | ALX | Grant (A) | — | $0 | EDGAR |
| 2023-05-19 | VNOpO | Grant (A) | — | $0 | EDGAR |
| 2023-05-19 | ALX | Grant (A) | — | $0 | EDGAR |
| 2022-05-20 | VNOpO | Grant (A) | — | $0 | EDGAR |
| 2022-05-20 | ALX | Grant (A) | — | $0 | EDGAR |