LOS ANGELES, CA
| Filer | Form | Target | Filed | Activity | |
|---|---|---|---|---|---|
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 | |
JAIN AJITCIK · 1728451 | 4 Trade | BERKSHIRE HATHAWAY INCCIK · 1067983 | Mar 27, 2026 Mar 27, 2026 | 6txn | |
BUFFETT WARREN ECIK · 315090 | 4 Trade | BERKSHIRE HATHAWAY INCCIK · 1067983 | Mar 19, 2026 Mar 19, 2026 | 2txn | |
GEORGE SARAH CATHERINECIK · 2112687 | 4 Trade | COSTCO WHOLESALE CORP /NEWCIK · 909832 | Mar 13, 2026 Mar 13, 2026 | 2txn | |
MILLERCHIP GARYCIK · 1771770 | 4 Trade | COSTCO WHOLESALE CORP /NEWCIK · 909832 | Mar 13, 2026 Mar 13, 2026 | 1txn | |
GEORGE SARAH CATHERINECIK · 2112687 | 3 Initial | COSTCO WHOLESALE CORP /NEWCIK · 909832 | Mar 11, 2026 Mar 11, 2026 | 2txn | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 13F-HR Holdings | — | Feb 17, 2026 Feb 17, 2026 | — | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 4 Trade | LIBERTY LIVE HOLDINGS, INC.CIK · 2078416 | Feb 17, 2026 Feb 17, 2026 | 10txn | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 3 Initial | LIBERTY LIVE HOLDINGS, INC.CIK · 2078416 | Feb 17, 2026 Feb 17, 2026 | 2txn | |
BERKSHIRE HATHAWAY INCCIK · 1067983 | 4 Trade | DAVITA INC.CIK · 927066 | Feb 2, 2026 Feb 2, 2026 | 1txn |