BERKLEY WILLIAM R
CIK 918186 · Executive Chairman · last filed 2026-06-04
BERKLEY WILLIAM R is an Executive Chairman who has filed 56 SEC Form 4 insider transactions across 9 companies since 2007. The most recent filing, for WRBpH, was dated Jun 4, 2026. Across all open-market trades the lifetime net is −$9.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.13B 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.
$1.13B
9
56
-$9.88M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| WRBpH | Executive Chairman | 18,716,375 | $15.43 | $288.70M | $0 | 12 | 2026-06-04 |
| WRBpF | Executive Chairman | 8,009,812 | $19.10 | $152.99M | $0 | 3 | 2020-08-19 |
| WRBpE | Executive Chairman | 7,915,491 | $21.44 | $169.71M | $0 | 4 | 2019-08-07 |
| WRBpD | Executive Chairman | 24,680,170 | $25.33 | — | $0 | 2 | 2017-08-09 |
| WRBpC | Executive Chairman | 4,875,143 | — | — | $0 | 1 | 2016-05-26 |
| WRBpB | Executive Chairman | 24,683,897 | — | — | $0 | 5 | 2016-01-14 |
| WRB | Chairman and CEO | 7,775,645 | $67.22 | $522.68M | $0 | 17 | 2013-01-15 |
| FMD | Director | 4,277,525 | — | — | -$9.88M | 10 | 2011-09-22 |
| BER | Chairman and CEO | 13,764,948 | — | — | $0 | 2 | 2007-05-09 |
Recent Filings
56 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-04 | WRBpH | Grant (A) | +3,090 | $0 | EDGAR |
| 2025-08-19 | WRBpH | Mixed | +107,592 | -$304.7K | EDGAR |
| 2025-06-13 | WRBpH | Grant (A) | +2,776 | $0 | EDGAR |
| 2024-08-19 | WRBpH | Mixed | +115,826 | -$265.9K | EDGAR |
| 2024-06-12 | WRBpH | Grant (A) | +2,534 | $0 | EDGAR |
| 2023-08-17 | WRBpH | Mixed | +86,090 | -$215.7K | EDGAR |
| 2023-06-14 | WRBpH | Grant (A) | +3,479 | $0 | EDGAR |
| 2022-08-17 | WRBpH | Mixed | +95,582 | -$249.4K | EDGAR |
| 2022-06-15 | WRBpH | Grant (A) | +2,995 | $0 | EDGAR |
| 2021-08-18 | WRBpH | Mixed | +47,551 | -$140.3K | EDGAR |