BUFFETT WARREN E — SEC Form 4 filings
SEC reporting owner CIK 315090. 84 Form 4 filings on record with FilingPulse; latest filed 2026-08-04.
Transaction summary — filings shown
Covers the 50 most recent of 84 filings on record, filed 2024-08-01 to 2026-08-04. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 70 legs across 12 filings — 29,786,262 shares, $995,719,866 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 84 legs across 24 filings — 207,370,112 shares, $10,129,155,449 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 45.
- Largest priced transaction: sale of 4,300,000 shares @ $282.15 ($1,213,245,000) in VERISIGN INC/CA, filed 2025-08-01.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| BANK OF AMERICA CORP /DE/ (BAC) | 10% owner | 13 | — | 41 legs · 195,341,253 sh · $7,840,747,504 | — |
| VERISIGN INC/CA (VRSN) | 10% owner | 5 | 41 legs · 474,267 sh · $93,629,042 | 1 leg · 4,300,000 sh · $1,213,245,000 | — |
| DAVITA INC. (DVA) | 10% owner | 9 | — | 33 legs · 7,398,341 sh · $1,047,775,958 | — |
| SIRIUS XM HOLDINGS INC. (SIRI) | 10% owner | 6 | 23 legs · 19,652,088 sh · $457,213,601 | — | — |
| OCCIDENTAL PETROLEUM CORP /DE/ (OXY) | 10% owner | 2 | 6 legs · 9,659,907 sh · $444,877,222 | — | — |
| Liberty Live Holdings, Inc. (LLYVA) | 10% owner | 1 | — | 9 legs · 330,518 sh · $27,386,987 | — |
| BERKSHIRE HATHAWAY INC (BRK.A) | Director, 10% owner | 12 | — | — | 43 |
| Liberty Media Corp (LSXMA) | 10% owner | 2 | — | — | 2 |
Form 4 filings — BUFFETT WARREN E
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-04 | 4 | DAVITA INC. (DVA) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 182,980 @ $199.55 | EDGAR |
| 2026-07-15 | 4 | BERKSHIRE HATHAWAY INC (BRK.A) | Conversion (C): 12,000,000 @ $0 · Gift (G): 9,000,000 @ $0 · Gift (G): 1,000,000 @ $0 · Gift (G): 1,000,000 @ $0 · Gift (G): 1,000,000 @ $0 · Conversion (C): 8,000 (derivative) | EDGAR |
| 2026-05-26 | 4 | BERKSHIRE HATHAWAY INC (BRK.A) | Gift (G): 160 @ $0 | EDGAR |
| 2026-05-20 | 4 | BERKSHIRE HATHAWAY INC (BRK.A) | Conversion (C): 37,500 @ $0 · Gift (G): 18,646 @ $0 · Gift (G): 18,646 @ $0 · Conversion (C): 25 (derivative) | EDGAR |
| 2026-05-05 | 4 | DAVITA INC. (DVA) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 1,220,376 @ $149.84 | EDGAR |
| 2026-03-19 | 4 | BERKSHIRE HATHAWAY INC (BRK.A) | Gift (G): 2 (derivative) | EDGAR |
| 2026-02-17 | 4 | Liberty Live Holdings, Inc. (LLYVA) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 20,226 @ $83.48 · Sale (S): 44,100 @ $81.22 · Sale (S): 65,071 @ $82.25 · Sale (S): 18,689 @ $82.40 · Sale (S): 66,568 @ $83.27 · Sale (S): 30,643 @ $82.78 · +3 more | EDGAR |
| 2026-02-02 | 4 | DAVITA INC. (DVA) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 1,658,480 @ $120.56 | EDGAR |
| 2025-11-12 | 4 | BERKSHIRE HATHAWAY INC (BRK.A) | Conversion (C): 2,700,000 @ $0 · Gift (G): 1,500,000 @ $0 · Gift (G): 400,000 @ $0 · Gift (G): 400,000 @ $0 · Gift (G): 400,000 @ $0 · Conversion (C): 1,800 (derivative) | EDGAR |
| 2025-10-29 | 4 | DAVITA INC. (DVA) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 401,514 @ $135.36 | EDGAR |
| 2025-08-04 | 4 | SIRIUS XM HOLDINGS INC. (SIRI) jointly with BERKSHIRE HATHAWAY INC | Purchase (P): 1,977,837 @ $21.04 · Purchase (P): 85,389 @ $21.43 · Purchase (P): 1,930,000 @ $21.02 · Purchase (P): 1,037,199 @ $21.63 | EDGAR |
| 2025-08-04 | 4 | DAVITA INC. (DVA) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 1,635,962 @ $140.61 | EDGAR |
| 2025-08-01 | 4 | VERISIGN INC/CA (VRSN) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 4,300,000 @ $282.15 | EDGAR |
| 2025-07-16 | 4 | BERKSHIRE HATHAWAY INC (BRK.A) | Gift (G): 30 @ $0 | EDGAR |
| 2025-06-30 | 4 | BERKSHIRE HATHAWAY INC (BRK.A) | Conversion (C): 12,358,500 @ $0 · Gift (G): 9,433,839 @ $0 · Gift (G): 943,384 @ $0 · Gift (G): 660,366 @ $0 · Gift (G): 660,366 @ $0 · Gift (G): 660,366 @ $0 · +1 more | EDGAR |
| 2025-05-27 | 4 | DAVITA INC. (DVA) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 31,404 @ $138.94 · Sale (S): 1,256 @ $139.88 · Sale (S): 27,172 @ $137.28 · Sale (S): 36,094 @ $138.19 · Sale (S): 800 @ $138.60 · Sale (S): 19,330 @ $138.59 · +2 more | EDGAR |
| 2025-05-15 | 4 | BERKSHIRE HATHAWAY INC (BRK.A) | Conversion (C): 1,500 @ $0 · Gift (G): 1,304 @ $0 · Gift (G): 22 @ $0 · Conversion (C): 1 (derivative) | EDGAR |
| 2025-05-12 | 4 | DAVITA INC. (DVA) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 1,145,938 @ $147.11 | EDGAR |
| 2025-04-09 | 4 | BERKSHIRE HATHAWAY INC (BRK.A) | Gift (G): 160 @ $0 · Gift (G): 2 (derivative) | EDGAR |
| 2025-02-19 | 4 | DAVITA INC. (DVA) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 34,132 @ $150.78 · Sale (S): 30,075 @ $151.60 · Sale (S): 34,789 @ $152.70 · Sale (S): 77,665 @ $153.66 · Sale (S): 91,987 @ $154.70 · Sale (S): 70,460 @ $155.54 · +12 more | EDGAR |
| 2025-02-13 | 4 | DAVITA INC. (DVA) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 203,091 @ $156.01 | EDGAR |
| 2025-02-11 | 4 | OCCIDENTAL PETROLEUM CORP /DE/ (OXY) jointly with BERKSHIRE HATHAWAY INC | Purchase (P): 763,017 @ $46.82 | EDGAR |
| 2025-02-03 | 4 | SIRIUS XM HOLDINGS INC. (SIRI) jointly with BERKSHIRE HATHAWAY INC | Purchase (P): 751,141 @ $22.79 · Purchase (P): 840,000 @ $23.62 · Purchase (P): 433,079 @ $23.49 · Purchase (P): 283,899 @ $24.05 | EDGAR |
| 2025-01-03 | 4 | VERISIGN INC/CA (VRSN) jointly with BERKSHIRE HATHAWAY INC | Purchase (P): 1,621 @ $204.83 · Purchase (P): 5,879 @ $204.84 · Purchase (P): 11,744 @ $204.61 · Purchase (P): 800 @ $204.94 | EDGAR |
| 2024-12-30 | 4 | VERISIGN INC/CA (VRSN) jointly with BERKSHIRE HATHAWAY INC | Purchase (P): 6,745 @ $201.75 · Purchase (P): 11,060 @ $202.71 · Purchase (P): 106 @ $203.13 · Purchase (P): 6,619 @ $202.51 · Purchase (P): 17,932 @ $203.79 · Purchase (P): 4,751 @ $204.19 · +5 more | EDGAR |
| 2024-12-26 | 4 | VERISIGN INC/CA (VRSN) jointly with BERKSHIRE HATHAWAY INC | Purchase (P): 6,200 @ $194.98 · Purchase (P): 320 @ $196.80 · Purchase (P): 1,079 @ $197.61 · Purchase (P): 73,389 @ $198.80 · Purchase (P): 9,590 @ $199.35 · Purchase (P): 3,159 @ $200.39 · +8 more | EDGAR |
| 2024-12-19 | 4 | VERISIGN INC/CA (VRSN) jointly with BERKSHIRE HATHAWAY INC | Purchase (P): 6,160 @ $194.63 · Purchase (P): 76,056 @ $195.26 · Purchase (P): 796 @ $196.00 · Purchase (P): 53,503 @ $191.47 · Purchase (P): 2,573 @ $192.79 · Purchase (P): 4,724 @ $193.65 · +6 more | EDGAR |
| 2024-12-19 | 4 | OCCIDENTAL PETROLEUM CORP /DE/ (OXY) jointly with BERKSHIRE HATHAWAY INC | Purchase (P): 2,477,362 @ $46.25 · Purchase (P): 2,430,924 @ $46.16 · Purchase (P): 374,589 @ $46.92 · Purchase (P): 3,372,309 @ $45.55 · Purchase (P): 241,706 @ $46.31 | EDGAR |
| 2024-12-19 | 4 | SIRIUS XM HOLDINGS INC. (SIRI) jointly with BERKSHIRE HATHAWAY INC | Purchase (P): 1,440,000 @ $22.13 · Purchase (P): 915,527 @ $21.94 · Purchase (P): 538,940 @ $22.49 · Purchase (P): 2,038,051 @ $20.85 · Purchase (P): 31,326 @ $21.52 | EDGAR |
| 2024-12-04 | 4 | BERKSHIRE HATHAWAY INC (BRK.A) | Conversion (C): 6,000 @ $0 · Gift (G): 6,382 @ $0 · Conversion (C): 4 (derivative) | EDGAR |
| 2024-11-25 | 4 | BERKSHIRE HATHAWAY INC (BRK.A) | Conversion (C): 2,400,000 @ $0 · Gift (G): 1,500,000 @ $0 · Gift (G): 300,000 @ $0 · Gift (G): 300,000 @ $0 · Gift (G): 300,000 @ $0 · Conversion (C): 1,600 (derivative) | EDGAR |
| 2024-10-31 | 4 | SIRIUS XM HOLDINGS INC. (SIRI) jointly with BERKSHIRE HATHAWAY INC | Purchase (P): 623,527 @ $27.65 · Purchase (P): 925,205 @ $27.44 · Purchase (P): 679,207 @ $26.59 | EDGAR |
| 2024-10-18 | 4 | SIRIUS XM HOLDINGS INC. (SIRI) jointly with BERKSHIRE HATHAWAY INC | Purchase (P): 342,133 @ $26.99 · Purchase (P): 1,040,000 @ $27.01 · Purchase (P): 175,569 @ $27.43 | EDGAR |
| 2024-10-17 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 8,370,178 @ $42.52 · Sale (S): 324,360 @ $43.19 | EDGAR |
| 2024-10-11 | 4 | SIRIUS XM HOLDINGS INC. (SIRI) jointly with BERKSHIRE HATHAWAY INC | Purchase (P): 869,800 @ $23.55 · Purchase (P): 917,846 @ $24.16 · Purchase (P): 517,154 @ $24.47 · Purchase (P): 1,259,259 @ $24.95 | EDGAR |
| 2024-10-10 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 3,933,197 @ $39.99 · Sale (S): 4,002,225 @ $40.14 · Sale (S): 1,614,511 @ $39.92 | EDGAR |
| 2024-10-07 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 302,604 @ $39.25 · Sale (S): 5,192,207 @ $40.04 · Sale (S): 4,076,169 @ $40.05 | EDGAR |
| 2024-10-02 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 4,985,553 @ $39.61 · Sale (S): 1,839,871 @ $39.40 · Sale (S): 1,722,523 @ $39.40 | EDGAR |
| 2024-09-27 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 2,305,415 @ $39.27 · Sale (S): 5,457,825 @ $39.46 · Sale (S): 3,915,126 @ $39.52 | EDGAR |
| 2024-09-24 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 10,247,961 @ $40.36 · Sale (S): 4,941,403 @ $39.94 · Sale (S): 6,371,845 @ $39.49 | EDGAR |
| 2024-09-19 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 3,966,178 @ $39.58 · Sale (S): 6,883,333 @ $39.71 · Sale (S): 11,422,560 @ $40.78 | EDGAR |
| 2024-09-13 | 4 | BERKSHIRE HATHAWAY INC (BRK.A) | Gift (G): 10 @ $0 · Gift (G): 10 @ $0 | EDGAR |
| 2024-09-12 | 4 | Liberty Media Corp (LSXMA) jointly with BERKSHIRE HATHAWAY INC | Other (J): 35,182,219 @ $0 | EDGAR |
| 2024-09-12 | 4 | Liberty Media Corp (LSXMK) jointly with BERKSHIRE HATHAWAY INC | Other (J): 70,002,897 @ $0 | EDGAR |
| 2024-09-10 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 1,081,102 @ $39.67 · Sale (S): 1,721,366 @ $39.57 · Sale (S): 2,994,625 @ $39.30 | EDGAR |
| 2024-09-05 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 8,031,639 @ $40.66 · Sale (S): 5,683,651 @ $40.61 · Sale (S): 5,031,014 @ $40.28 | EDGAR |
| 2024-08-30 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 7,081,075 @ $39.95 · Sale (S): 6,056,699 @ $40.10 · Sale (S): 7,938,699 @ $40.61 | EDGAR |
| 2024-08-27 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 6,754,272 @ $39.79 · Sale (S): 10,975,008 @ $39.87 · Sale (S): 6,931,283 @ $39.75 | EDGAR |
| 2024-08-19 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 5,183,829 @ $39.31 · Sale (S): 3,750,096 @ $39.27 · Sale (S): 5,035,018 @ $39.65 | EDGAR |
| 2024-08-01 | 4 | BANK OF AMERICA CORP /DE/ (BAC) jointly with BERKSHIRE HATHAWAY INC | Sale (S): 6,524,622 @ $41.27 · Sale (S): 50,768 @ $41.84 · Sale (S): 6,854,372 @ $40.62 · Sale (S): 139,148 @ $41.26 · Sale (S): 5,251,726 @ $39.47 · Sale (S): 396,197 @ $40.15 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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