SEC CIK 918186

BERKLEY WILLIAM R

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
WRBview stock →17,366,3752026-06-03

Position History — WRB

Reported shares owned immediately after each Form 4 transaction, over time.

05,789,18711,578,37517,367,5622006-022009-122011-122013-052019-062021-082025-082026-06

Recent Filings — WRB

DateActivitySharesPriceOwned After
2026-06-03Grant / award3,090$0.0017,366,375
2025-08-15Grant / award111,869$0.0017,367,562
2025-08-15Tax withholding4,277$71.2417,363,285
2025-06-11Grant / award2,776$0.0017,255,693
2024-08-15Tax withholding4,604$57.7517,252,917
2024-08-15Grant / award120,430$0.0017,257,521
2024-06-12Grant / award2,534$0.0011,424,727
2023-08-15Tax withholding3,417$63.1411,422,193
2023-08-15Grant / award89,507$0.0011,425,610
2023-06-14Grant / award3,479$0.0011,336,103
2022-08-15Tax withholding3,792$65.7811,332,624
2022-08-15Grant / award99,374$0.0011,336,416
2022-06-15Grant / award2,995$0.0011,237,042
2021-08-16Grant / award49,438$0.007,491,250
2021-08-16Tax withholding1,887$74.357,489,363
2021-08-05Tax withholding1,164$72.237,441,812
2021-08-05Grant / award30,512$0.007,442,976
2021-06-15Grant / award2,652$0.007,412,464
2020-08-17Grant / award26,028$0.007,410,805
2020-08-17Tax withholding993$61.277,409,812
2020-08-05Grant / award78,736$0.007,387,781
2020-08-05Tax withholding3,004$62.077,384,777
2020-06-12Grant / award3,483$0.007,309,045
2019-08-05Grant / award260,235$0.007,315,491
2019-08-05Tax withholding9,930$68.577,305,561
2019-06-06Grant / award3,151$0.007,055,256
2018-08-06Tax withholding1,227$76.064,841,403
2018-08-06Grant / award32,148$0.004,842,630
2018-05-31Grant / award2,619$0.004,810,482
2017-08-07Tax withholding9,727$68.454,807,863
2017-05-16Grant / award3,000$0.004,817,590
2016-05-25Grant / award3,000$0.004,814,590
2015-12-30Gift429,328$0.004,811,590
2015-06-02Grant / award3,000$0.003,958,826
2015-03-02Tax withholding11,663$49.965,472,667
2014-05-20Grant / award3,000$0.005,484,330
2013-07-22Gift297,315$0.007,481,330
2013-05-21Grant / award3,000$0.007,248,235
2012-12-27Gift10,000$0.007,245,235
2012-12-27Gift10,000$0.00260,000
2012-12-17Tax withholding7,462$38.937,255,235
2012-09-26Grant / award250,000$0.007,262,697
2012-05-22Grant / award3,000$0.006,591,822
2012-02-02Option exercise (derivative)179,688$0.000
2012-02-02Option exercise179,688$11.396,327,743
2012-02-02Tax withholding106,987$36.116,220,756
2011-12-30Option exercise (derivative)100,000$0.00179,688
2011-12-30Option exercise100,000$11.396,209,994
2011-12-30Tax withholding61,939$34.466,148,055
2011-12-22Option exercise (derivative)100,000$0.00279,688
2011-12-22Tax withholding62,171$34.046,359,994
2011-12-22Gift250,000$0.006,109,994
2011-12-22Gift250,000$0.00250,000
2011-12-22Option exercise100,000$11.396,422,165
2011-05-17Grant / award3,000$0.005,910,915
2011-03-11Option exercise (derivative)500,000$0.000
2011-03-11Option exercise500,000$9.345,513,750
2011-03-11Tax withholding303,764$29.935,209,986
2011-03-10Option exercise (derivative)525,000$0.00500,000
2011-03-10Tax withholding319,078$29.895,013,750
2011-03-10Option exercise525,000$9.345,332,828
2010-12-31Option exercise (derivative)1,000,000$0.001,025,000
2010-12-31Tax withholding623,898$27.417,550,762
2010-12-31Option exercise1,000,000$9.348,174,660
2010-05-18Grant / award3,000$0.006,661,493
2010-03-02Grant / award300,000$0.005,936,493
2009-12-30Option exercise (derivative)265,780$0.000
2009-12-30Option exercise265,780$3.065,769,606
2009-12-30Tax withholding133,113$24.475,636,493
2009-05-19Grant / award2,000$0.007,203,826
2008-06-17Grant / award300,000$0.0010,292,757
2008-05-28Grant / award2,000$0.009,992,757
2008-05-12Option exercise (derivative)303,750$0.000
2008-05-12Tax withholding187,264$27.109,990,757
2008-05-12Option exercise303,750$9.3510,178,021
2007-05-08Option exercise (derivative)1,796,875$0.000
2007-05-08Tax withholding957,087$33.219,919,802
2007-05-08Grant / award1,500$0.009,080,014
2007-05-08Option exercise1,796,875$6.7010,876,889
2007-03-01Option exercise (derivative)1,000,000$0.001,796,875
2007-03-01Option exercise1,000,000$6.709,078,514
2006-12-26Option exercise (derivative)1,000,000$0.002,796,875
2006-12-26Option exercise1,000,000$6.708,078,514
2006-05-16Grant / award1,500$0.007,078,009
2006-02-10Option exercise (derivative)253,125—0
2006-02-10Option exercise253,125$8.554,717,673

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.