William R. Berkley serves as Executive at BERKLEY W R CORP, where they oversee executive responsibilities. Since joining the company, William R. Berkley has executed 499 insider transactions totaling $38.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Aug 15, 2025 involved receiving (via award) 111,869 shares valued at $0.
William R. Berkley currently holds 17,367,562 shares of BERKLEY W R CORP (BER), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William R. Berkley has been a net seller of BER stock. They have purchased $0 and sold $38.7M worth of shares.
William R. Berkley's most recent insider trade was on Aug 15, 2025, when they sold 111,869 shares at $0.00 per share.
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| $71.24 |
| Discretionary |
| Aug 15, 2024 | WRB | $265.9K | Payment | 4,604 | $57.75 | Discretionary |
| Aug 15, 2024 | WRB | $0 | Award | 120,430 | $N/A | Discretionary |
| Jun 12, 2024 | WRB | $0 | Award | 2,534 | $N/A | Discretionary |
| Aug 15, 2023 | WRB | $215.7K | Payment | 3,417 | $63.14 | Discretionary |
| Aug 15, 2023 | WRB | $0 | Award | 89,507 | $N/A | Discretionary |
| Jun 14, 2023 | WRB | $0 | Award | 3,479 | $N/A | Discretionary |
| Aug 15, 2022 | WRB | $249.4K | Payment | 3,792 | $65.78 | Discretionary |
| Aug 15, 2022 | WRB | $0 | Award | 99,374 | $N/A | Discretionary |
| Jun 15, 2022 | WRB | $0 | Award | 2,995 | $N/A | Discretionary |
| Aug 16, 2021 | WRB | $0 | Award | 49,438 | $N/A | Discretionary |
| Aug 16, 2021 | WRB | $140.3K | Payment | 1,887 | $74.35 | Discretionary |
| Aug 5, 2021 | WRB | $84.1K | Payment | 1,164 | $72.23 | Discretionary |
| Aug 5, 2021 | WRB | $0 | Award | 30,512 | $N/A | Discretionary |
| Jun 15, 2021 | WRB | $0 | Award | 2,652 | $N/A | Discretionary |
| Aug 17, 2020 | WRB | $0 | Award | 26,028 | $N/A | Discretionary |
| Aug 17, 2020 | WRB | $60.8K | Payment | 993 | $61.27 | Discretionary |
| Aug 5, 2020 | WRB | $0 | Award | 78,736 | $N/A | Discretionary |
| Aug 5, 2020 | WRB | $186.5K | Payment | 3,004 | $62.07 | Discretionary |
| Jun 12, 2020 | WRB | $0 | Award | 3,483 | $N/A | Discretionary |
| Aug 5, 2019 | WRB | $0 | Award | 260,235 | $N/A | Discretionary |
| Aug 5, 2019 | WRB | $680.9K | Payment | 9,930 | $68.57 | Discretionary |
| Jun 6, 2019 | WRB | $0 | Award | 3,151 | $N/A | Discretionary |
| Aug 6, 2018 | WRB | $93.3K | Payment | 1,227 | $76.06 | Discretionary |
| Aug 6, 2018 | WRB | $0 | Award | 32,148 | $N/A | Discretionary |
| May 31, 2018 | WRB | $0 | Award | 2,619 | $N/A | Discretionary |
| Aug 7, 2017 | WRB | $665.8K | Payment | 9,727 | $68.45 | Discretionary |
| May 16, 2017 | WRB | $0 | Award | 3,000 | $N/A | Discretionary |
| May 25, 2016 | WRB | $0 | Award | 3,000 | $N/A | Discretionary |