LOS ANGELES, CA
| Filer | Form | Target | Filed | Activity | |
|---|---|---|---|---|---|
STANTON JOHN WCIK · 904858 | 4 Trade | COSTCO WHOLESALE CORP /NEWCIK · 909832 | Oct 27, 2026 1d ago | 3txn | |
SULLIVAN JOHN CHRISTOPHERCIK · 1902272 | 4 Trade | COSTCO WHOLESALE CORP /NEWCIK · 909832 | Oct 27, 2026 1d ago | 6txn | |
SELF ADAM WEBBCIK · 2150337 | 4 Trade | COSTCO WHOLESALE CORP /NEWCIK · 909832 | Oct 27, 2026 1d ago | 5txn | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 4 Trade | LENNAR CORP /NEW/CIK · 920760 | Oct 6, 2026 Oct 6, 2026 | 15txn | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 4 Trade | LENNAR CORP /NEW/CIK · 920760 | Sep 30, 2026 Sep 30, 2026 | 5txn | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 4 Trade | LENNAR CORP /NEW/CIK · 920760 | Sep 26, 2026 Sep 26, 2026 | 9txn | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 4 Trade | LENNAR CORP /NEW/CIK · 920760 | Sep 22, 2026 Sep 22, 2026 | 16txn | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 3 Initial | LENNAR CORP /NEW/CIK · 920760 | Sep 22, 2026 Sep 22, 2026 | 2txn | |
RUBANENKO YORAMCIK · 1886447 | 4 Trade | COSTCO WHOLESALE CORP /NEWCIK · 909832 | Sep 14, 2026 Sep 14, 2026 | 2txn | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 13F-HR Holdings | — | Aug 14, 2026 Aug 14, 2026 | — | |
O'SULLIVAN MICHAEL J.CIK · 1713777 | 4 Trade | BERKSHIRE HATHAWAY INCCIK · 1067983 | Aug 13, 2026 Aug 13, 2026 | 3txn | |
CHANG CHARLES CCIK · 2139769 | 4 Trade | BERKSHIRE HATHAWAY INCCIK · 1067983 | Aug 13, 2026 Aug 13, 2026 | 2txn | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 4 Trade | DAVITA INC.CIK · 927066 | Aug 4, 2026 Aug 4, 2026 | 1txn | |
DAILY JOURNAL CORPCIK · 783412 | 13F-HR Holdings | — | Jul 16, 2026 Jul 16, 2026 | — | |
BUFFETT WARREN ECIK · 315090 | 4 Trade | BERKSHIRE HATHAWAY INCCIK · 1067983 | Jul 15, 2026 Jul 15, 2026 | 6txn | |
RAIKES JEFFREY SCIK · 1193112 | 4 Trade | COSTCO WHOLESALE CORP /NEWCIK · 909832 | Jul 14, 2026 Jul 14, 2026 | 1txn | |
DENMAN KENNETH DCIK · 1254779 | 144 Sale | COSTCO WHOLESALE CORP /NEWCIK · 909832 | Jun 23, 2026 Jun 23, 2026 | — | |
BUFFETT WARREN ECIK · 315090 | 4 Trade | BERKSHIRE HATHAWAY INCCIK · 1067983 | May 26, 2026 May 26, 2026 | 2txn | |
BUFFETT WARREN ECIK · 315090 | 4 Trade | BERKSHIRE HATHAWAY INCCIK · 1067983 | May 20, 2026 May 20, 2026 | 4txn | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 13F-HR Holdings | — | May 15, 2026 May 15, 2026 | — | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 4 Trade | DAVITA INC.CIK · 927066 | May 5, 2026 May 5, 2026 | 1txn | |
O'SULLIVAN MICHAEL J.CIK · 1713777 | 3 Initial | BERKSHIRE HATHAWAY INCCIK · 1067983 | May 5, 2026 May 5, 2026 | 1txn | |
DAILY JOURNAL CORPCIK · 783412 | 13F-HR Holdings | — | Apr 15, 2026 Apr 15, 2026 | — | |
FRATES CATONCIK · 1928633 | 144 Sale | COSTCO WHOLESALE CORP /NEWCIK · 909832 | Apr 1, 2026 Apr 1, 2026 | — | |
FRATES CATONCIK · 1928633 | 4 Trade | COSTCO WHOLESALE CORP /NEWCIK · 909832 | Apr 1, 2026 Apr 1, 2026 | 1txn |