Berkley W R CORP Form 4 insider transactions

Mitsui Sumitomo Insurance Co. Ltd. and MS&AD Insurance Group Holdings, Inc. increased their beneficial ownership in W.R. Berkley Corp. through a series of common stock purchases under a Rule 10b5-1 plan.

Mitsui Sumitomo Insurance Co Ltd and MS&AD Insurance Group Holdings, Inc. increased their beneficial ownership in W.R. Berkley Corp by acquiring 879,573 shares of common stock through a Rule 10b5-1 plan.

Mitsui Sumitomo Insurance Co. Ltd., a 10% owner of W.R. Berkley Corp., acquired additional common stock through a Rule 10b5-1 plan in December 2025.

W. R. Berkley Corporation's EVP of Investments, James G. Shiel, donated 1,250 shares of common stock to a donor-advisor fund under a Rule 10b5-1 plan.

W. R. Berkley Corporation's EVP of Investments, James G. Shiel, reported the vesting of 16,126 performance-based restricted stock units and the disposition of 744 shares for tax liability.

W. R. Berkley Corporation EVP Lucille T. Sgaglione reported future vesting of 16,126 performance-based restricted stock units and a related tax withholding of 717 shares.

W. R. Berkley Corporation's EVP & Secretary, Philip S. Welt, reported a pre-planned acquisition of 16,126 shares from RSU vesting and disposition of 678 shares for tax withholding.

W. R. Berkley Corporation's EVP & CFO, Richard Mark Baio, reported the vesting of performance-based restricted stock units and subsequent tax-related share withholding.

W. R. Berkley Corporation's President and CEO, William R. Berkley Jr., reported the vesting of over 111,000 performance-based restricted stock units and a related tax withholding transaction.

W. R. Berkley's Executive Chairman, William R. Berkley, reported the vesting of over 111,000 performance-based restricted stock units and a subsequent sale of shares to cover tax liabilities.

William R. Berkley, Executive Chairman of W. R. Berkley Corporation, reported the acquisition of 2,776 shares of common stock as an equity award, increasing his beneficial ownership.

W. R. Berkley Corporation's Director, Daniel Lynn Mosley, reported the acquisition of 2,776 shares of common stock as an award, with his total beneficial ownership reflecting a prior 3-for-2 stock split.

W. R. Berkley Corporation Director Marie Angela Mattson was granted 2,776 shares of common stock as an award, bringing her total beneficial ownership to 6,577 shares, which includes an adjustment for the company's recent 3-for-2 stock split.

Maria Luisa Ferre, a Director at W. R. Berkley Corporation, was granted 2,776 shares of common stock as an award, bringing her total beneficial ownership to 56,144 shares, reflecting the company's recent 3-for-2 stock split.

Jonathan Talisman, a Director at W. R. Berkley Corporation, reported the acquisition of 2,776 shares of common stock as an equity award and updated his beneficial ownership to reflect a prior 3-for-2 stock split.

W. R. Berkley Corporation Director Mary C. Farrell has filed a Form 4 detailing a future acquisition of 2,776 shares as an award, with all reported beneficial ownership figures reflecting the company's recent 3-for-2 stock split.

William R. Berkley Jr., President, CEO, and Director of W. R. Berkley Corporation, reported the acquisition of 2,776 shares of common stock through a compensation award, increasing his direct and indirect beneficial ownership.

W. R. Berkley Corporation Director Ronald E. Blaylock reported the acquisition of 2,776 shares of common stock as an award and updated his beneficial ownership reflecting a recent 3-for-2 stock split.

W. R. Berkley Corporation Director Christopher L. Augostini received an award of 2,776 shares of common stock, bringing his total beneficial ownership to 106,769 shares, which includes adjustments for a recent 3-for-2 stock split.

W. R. Berkley Corporation's Director, Robert Alan Rusbuldt, was granted 2,776 shares of common stock on June 11, 2025, as an award under the company's 2009 Directors Stock Plan.

Executive Vice President of Investments at W. R. Berkley Corporation, James G. Shiel, gifted 208,000 shares of common stock to his spouse, who then gifted them to a trust.

Executive Vice President of Investments at W. R. Berkley Corporation, James G. Shiel, donated 1,500 shares of common stock to a donor-advised fund on December 26, 2024.

Executive Vice President of Investments, James G. Shiel, reports acquisition and disposal of W. R. Berkley Corporation shares following a 3-for-2 stock split and vesting of restricted stock units.

Lucille T. Sgaglione, EVP of W. R. Berkley Corporation, reports acquisition and disposal of common stock related to RSU vesting and tax liability following a 3-for-2 stock split.

Richard Baio, EVP & CFO of W. R. Berkley Corporation, reports acquisition and disposal of company stock due to RSU vesting, tax liability payment, and adjustments following a 3-for-2 stock split.

Executive Vice President and Secretary Philip S. Welt reports changes in beneficial ownership of W. R. Berkley Corporation stock due to RSU vesting, tax withholding, and a recent stock split.

William R. Berkley Jr., President and CEO of W. R. Berkley Corporation, reports acquisition and disposal of common stock following a 3-for-2 stock split and vesting of performance-based restricted stock units.

William R. Berkley, Executive Chairman of W. R. Berkley Corporation, reports acquisition and disposal of common stock following a 3-for-2 stock split and vesting of restricted stock units.

William R. Berkley, Executive Chairman of W. R. Berkley Corporation, reports acquiring 2,534 shares of common stock through an award granted under the company's 2009 Directors Stock Plan.

Director Maria Luisa Ferre acquired 2,534 shares of W. R. Berkley Corporation (WRB) on June 12, 2024, through an award granted under the company's 2009 Directors Stock Plan.