IVAN G SEIDENBERG
CIK 1187727 · Chairman · last filed 2026-02-19
IVAN G SEIDENBERG is a Chairman who has filed 232 SEC Form 4 insider transactions across 7 companies since 2007. The most recent filing, for MSGS, was dated Feb 19, 2026. Across all open-market trades the lifetime net is −$8.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $15.6M 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.
$15.62M
7
232
-$8.78M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| MSGS | Director | — | $384.68 | — | $0 | 12 | 2026-02-19 |
| PWP | Director | 9,476 | $15.66 | $148.4K | $0 | 2 | 2022-05-26 |
| BLK | Director | 14,434 | $1032.00 | $14.90M | $0 | 36 | 2020-04-02 |
| BXP, Inc. (BXPpB) Delisted | Director | 9,038 | $25.16 | $227.4K | $0 | 17 | 2016-05-02 |
| VERIZON COMMUNICATIONS INC (WWVY) Delisted | Chairman | 629,218 | — | — | -$8.78M | 139 | 2011-12-27 |
| HON | Director | 2,597 | $220.31 | $572.1K | $0 | 20 | 2008-02-27 |
| WYETH (WYEp) Delisted | Director | 8,086 | — | — | $0 | 6 | 2008-01-23 |
Recent Filings
232 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-02-19 | MSGS | Grant (A) | — | $0 | EDGAR |
| 2025-12-10 | MSGS | Grant (A) | — | $0 | EDGAR |
| 2025-02-20 | MSGS | Grant (A) | — | $0 | EDGAR |
| 2024-12-06 | MSGS | Grant (A) | — | $0 | EDGAR |
| 2024-02-16 | MSGS | Grant (A) | — | $0 | EDGAR |
| 2023-12-12 | MSGS | Grant (A) | — | $0 | EDGAR |
| 2023-02-17 | MSGS | Grant (A) | — | $0 | EDGAR |
| 2022-12-13 | MSGS | Grant (A) | — | $0 | EDGAR |
| 2022-05-26 | PWP | Grant (A) | +13,859 | $0 | EDGAR |
| 2022-02-17 | MSGS | Grant (A) | — | $0 | EDGAR |