William S. Rubenstein
CIK 1715394 · last filed 2026-05-21
William S. Rubenstein is a corporate insider who has filed 15 SEC Form 4 insider transactions across 1 company since 2018. The most recent filing, for BKU, was dated May 21, 2026. Across all open-market trades the lifetime net is −$303.2K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $677.0K 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.
$677.0K
1
15
-$303.2K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| BKU | Director | 13,827 | $48.96 | $677.0K | -$303.2K | 15 | 2026-05-21 |
Recent Filings
15 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-21 | BKU | Grant (A) | +1,511 | $0 | EDGAR |
| 2025-05-27 | BKU | Grant (A) | +2,034 | $0 | EDGAR |
| 2024-08-02 | BKU | Sell (S) | −7,864 | -$303.3K | EDGAR |
| 2024-05-16 | BKU | Grant (A) | +2,320 | $0 | EDGAR |
| 2023-05-17 | BKU | Grant (A) | +4,133 | $0 | EDGAR |
| 2022-05-19 | BKU | Grant (A) | +1,766 | $0 | EDGAR |
| 2021-05-26 | BKU | Grant (A) | +1,514 | $0 | EDGAR |
| 2020-05-18 | BKU | Grant (A) | +5,004 | $0 | EDGAR |
| 2019-05-16 | BKU | Grant (A) | +2,045 | $0 | EDGAR |
| 2019-05-02 | BKU | L | +2 | $76 | EDGAR |