Warren E. Buffett

CIK 315090 · View on SEC EDGAR ↗

Insider Activist

First SEC filing: Feb. 13, 2025 · Latest: May 26, 2026

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Institution

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 100 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 22, 2026 BRK-B G 160 — — 1,162 Direct -12.10% Disposed
May 18, 2026 BRK-B C 25 — — 196,290 Direct -0.01% Disposed
May 18, 2026 BRK-B G 18,646 — — 1,322 Direct -93.38% Disposed
May 18, 2026 BRK-B G 18,646 — — 19,968 Direct -48.29% Disposed
May 18, 2026 BRK-B C 37,500 — — 38,614 Direct +3366.25% Acquired
March 17, 2026 BRK-B G 2 — — 196,315 Direct 0.00% Disposed
Nov. 10, 2025 BRK-B C 1,800 — — 196,317 Direct -0.91% Disposed
Nov. 10, 2025 BRK-B G 400,000 — — 1,114 Direct -99.72% Disposed
Nov. 10, 2025 BRK-B G 400,000 — — 401,114 Direct -49.93% Disposed
Nov. 10, 2025 BRK-B G 400,000 — — 801,114 Direct -33.30% Disposed
Nov. 10, 2025 BRK-B G 1,500,000 — — 1,201,114 Direct -55.53% Disposed
Nov. 10, 2025 BRK-B C 2,700,000 — — 2,701,114 Direct +242369.84% Acquired
July 14, 2025 BRK-B G 30 — — 1,114 Direct -2.62% Disposed
June 30, 2025 BRK-B G 660,366 — — 1,144 Direct -99.83% Disposed
June 30, 2025 BRK-B G 660,366 — — 661,510 Direct -49.96% Disposed
June 30, 2025 BRK-B G 660,366 — — 1,321,876 Direct -33.31% Disposed
June 30, 2025 BRK-B G 943,384 — — 1,982,242 Direct -32.25% Disposed
June 30, 2025 BRK-B G 9,433,839 — — 2,925,626 Direct -76.33% Disposed
June 27, 2025 BRK-B C 8,239 — — 198,117 Direct -3.99% Disposed
June 27, 2025 BRK-B C 12,358,500 — — 12,359,465 Direct +1280673.58% Acquired
May 14, 2025 BRK-B G 22 — — 965 Direct -2.23% Disposed
May 13, 2025 BRK-B C 1 — — 206,356 Direct 0.00% Disposed
May 13, 2025 BRK-B G 1,304 — — 987 Direct -56.92% Disposed
May 13, 2025 BRK-B C 1,500 — — 2,291 Direct +189.63% Acquired
April 9, 2025 BRK-B G 160 — — 791 Direct -16.82% Disposed
April 7, 2025 BRK-B G 2 — — 206,357 Direct 0.00% Disposed
Dec. 4, 2024 BRK-B G 6,382 — — 951 Direct -87.03% Disposed
Dec. 3, 2024 BRK-B C 4 — — 206,359 Direct 0.00% Disposed
Dec. 3, 2024 BRK-B C 6,000 — — 7,333 Direct +450.11% Acquired
Nov. 25, 2024 BRK-B G 300,000 — — 1,333 Direct -99.56% Disposed
Nov. 25, 2024 BRK-B G 300,000 — — 301,333 Direct -49.89% Disposed
Nov. 25, 2024 BRK-B G 300,000 — — 601,333 Direct -33.28% Disposed
Nov. 25, 2024 BRK-B G 1,500,000 — — 901,333 Direct -62.47% Disposed
Nov. 25, 2024 BRK-B C 2,400,000 — — 2,401,333 Direct +180045.01% Acquired
Sept. 12, 2024 BRK-B G 10 — — 1,333 Direct -0.74% Disposed
Sept. 12, 2024 BRK-B G 10 — — 1,343 Direct -0.74% Disposed
July 2, 2024 BRK-B G 1,233 — — 1,353 Direct -47.68% Disposed
June 28, 2024 BRK-B C 8,674 — — 207,963 Direct -4.00% Disposed
June 28, 2024 BRK-B G 695,122 — — 2,586 Direct -99.63% Disposed
June 28, 2024 BRK-B G 695,122 — — 697,708 Direct -49.91% Disposed
June 28, 2024 BRK-B G 695,122 — — 1,392,830 Direct -33.29% Disposed
June 28, 2024 BRK-B G 993,035 — — 2,087,952 Direct -32.23% Disposed
June 28, 2024 BRK-B G 9,930,357 — — 3,080,987 Direct -76.32% Disposed
June 28, 2024 BRK-B C 13,011,000 — — 13,011,344 Direct +3782267.44% Acquired
Nov. 25, 2023 BRK-B C 1,600 — — 206,363 Direct -0.77% Disposed
Nov. 21, 2023 BRK-B C 1,600 — — 216,637 Direct -0.73% Disposed
Nov. 21, 2023 BRK-B G 300,000 — — 344 Direct -99.89% Disposed
Nov. 21, 2023 BRK-B G 300,000 — — 300,344 Direct -49.97% Disposed
Nov. 21, 2023 BRK-B G 300,000 — — 600,344 Direct -33.32% Disposed
Nov. 21, 2023 BRK-B G 1,500,000 — — 900,344 Direct -62.49% Disposed
Nov. 21, 2023 BRK-B C 2,400,000 — — 2,400,344 Direct +697674.42% Acquired
Nov. 21, 2023 BRK-B C 1,600 — — 216,687 Direct -0.73% Disposed
Nov. 21, 2023 BRK-B G 300,000 — — 344 Direct -99.89% Disposed
Nov. 21, 2023 BRK-B G 300,000 — — 300,344 Direct -49.97% Disposed
Nov. 21, 2023 BRK-B G 300,000 — — 600,344 Direct -33.32% Disposed
Nov. 21, 2023 BRK-B G 1,500,000 — — 900,344 Direct -62.49% Disposed
Nov. 21, 2023 BRK-B C 2,400,000 — — 2,400,344 Direct +697674.42% Acquired
Aug. 15, 2023 BRK-B G 50 — — 218,237 Direct -0.02% Disposed
June 21, 2023 BRK-B C 9,129 — — 218,287 Direct -4.01% Disposed
June 21, 2023 BRK-B G 731,708 — — 344 Direct -99.95% Disposed
June 21, 2023 BRK-B G 731,708 — — 732,052 Direct -49.99% Disposed
June 21, 2023 BRK-B G 731,708 — — 1,463,760 Direct -33.33% Disposed
June 21, 2023 BRK-B G 1,045,300 — — 2,195,468 Direct -32.25% Disposed
June 21, 2023 BRK-B G 10,453,008 — — 3,240,768 Direct -76.33% Disposed
June 21, 2023 BRK-B C 13,693,500 — — 13,693,776 Direct +4961413.04% Acquired
Nov. 23, 2022 BRK-B G 300,000 — — 276 Direct -99.91% Disposed
Nov. 23, 2022 BRK-B G 300,000 — — 300,276 Direct -49.98% Disposed
Nov. 23, 2022 BRK-B G 300,000 — — 600,276 Direct -33.32% Disposed
Nov. 23, 2022 BRK-B G 1,500,000 — — 900,276 Direct -62.49% Disposed
Nov. 22, 2022 BRK-B C 1,600 — — 227,416 Direct -0.70% Disposed
Nov. 22, 2022 BRK-B C 2,400,000 — — 2,400,276 Direct +869565.22% Acquired
June 14, 2022 BRK-B C 9,608 — — 229,016 Direct -4.03% Disposed
June 14, 2022 BRK-B G 770,218 — — 276 Direct -99.96% Disposed
June 14, 2022 BRK-B G 770,218 — — 770,494 Direct -49.99% Disposed
June 14, 2022 BRK-B G 770,218 — — 1,540,712 Direct -33.33% Disposed
June 14, 2022 BRK-B G 1,100,316 — — 2,310,930 Direct -32.26% Disposed
June 14, 2022 BRK-B G 11,003,166 — — 3,411,246 Direct -76.33% Disposed
June 14, 2022 BRK-B C 14,412,000 — — 14,414,412 Direct +597512.44% Acquired
June 23, 2021 BRK-B G 810,756 — — 2,412 Direct -99.70% Disposed
June 23, 2021 BRK-B G 810,756 — — 813,168 Direct -49.93% Disposed
June 23, 2021 BRK-B G 810,756 — — 1,623,924 Direct -33.30% Disposed
June 23, 2021 BRK-B G 1,158,228 — — 2,434,680 Direct -32.24% Disposed
June 23, 2021 BRK-B G 11,582,280 — — 3,592,908 Direct -76.32% Disposed
June 21, 2021 BRK-B C 10,110 — — 238,624 Direct -4.06% Disposed
June 21, 2021 BRK-B C 15,165,000 — — 15,175,188 Direct +148851.59% Acquired
July 7, 2020 BRK-B C 10,648 — — 248,734 Direct -4.11% Disposed
July 7, 2020 BRK-B G 853,428 — — 10,188 Direct -98.82% Disposed
July 7, 2020 BRK-B G 853,428 — — 863,616 Direct -49.70% Disposed
July 7, 2020 BRK-B G 853,428 — — 1,717,044 Direct -33.20% Disposed
July 7, 2020 BRK-B G 1,219,187 — — 2,570,472 Direct -32.17% Disposed
July 7, 2020 BRK-B G 12,191,874 — — 3,789,659 Direct -76.29% Disposed
July 7, 2020 BRK-B C 15,972,000 — — 15,981,533 Direct +167544.32% Acquired
July 1, 2019 BRK-B C 11,250 — — 259,394 Direct -4.16% Disposed
July 1, 2019 BRK-B G 898,345 — — 65,129 Direct -93.24% Disposed
July 1, 2019 BRK-B G 898,345 — — 963,474 Direct -48.25% Disposed
July 1, 2019 BRK-B G 898,345 — — 1,861,819 Direct -32.55% Disposed
July 1, 2019 BRK-B G 1,283,355 — — 2,760,164 Direct -31.74% Disposed
July 1, 2019 BRK-B G 12,833,551 — — 4,043,519 Direct -76.04% Disposed
July 1, 2019 BRK-B C 16,875,000 — — 16,877,070 Direct +815217.39% Acquired
April 18, 2019 BRK-B G 119 — — 2,070 Direct -5.44% Disposed

Showing latest 100 of 283 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
May 18, 2026 BRK-B Class A Common Stock See footnote [F2] — — 25 Disposed
March 17, 2026 BRK-B Class A Common Stock See footnote [F2] — — 2 Disposed
Nov. 10, 2025 BRK-B Class A Common Stock See footnote [F2] — — 1,800 Disposed
June 27, 2025 BRK-B Class A Common Stock See footnote [F2] — — 8,239 Disposed
May 13, 2025 BRK-B Class A Common Stock See footnote [F2] — — 1 Disposed
April 7, 2025 BRK-B Class A Common Stock See footnote [F2] — — 2 Disposed
Dec. 3, 2024 BRK-B Class A Common Stock See footnote [F2] — — 4 Disposed
June 28, 2024 BRK-B Class A Common Stock See footnote [F2] — — 8,674 Disposed
Nov. 25, 2023 BRK-B Class A Common Stock See footnote [F2] — — 1,600 Disposed
Nov. 21, 2023 BRK-B Class A Common Stock See footnote [F2] — — 1,600 Disposed
Nov. 21, 2023 BRK-B Class A Common Stock See footnote [F2] — — 1,600 Disposed
Aug. 15, 2023 BRK-B Class A Common Stock See footnote [F1] — — 50 Disposed
June 21, 2023 BRK-B Class A Common Stock See footnote [F2] — — 9,129 Disposed
Nov. 22, 2022 BRK-B Class A Common Stock See footnote [F2] — — 1,600 Disposed
June 14, 2022 BRK-B Class A Common Stock See footnote [F2] — — 9,608 Disposed
June 21, 2021 BRK-B Class A Common Stock See footnote [F2] — — 10,110 Disposed
July 7, 2020 BRK-B Class A Common Stock See footnote [F2] — — 10,648 Disposed
July 1, 2019 BRK-B Class A Common Stock See Footnote [F2] — — 11,250 Disposed
July 16, 2018 BRK-B Class A Common Stock See Footnote [F2] — — 11,867 Disposed
Jan. 2, 2018 BRK-B Class A Common Stock See Footnote [F4] — — 100 Disposed
July 10, 2017 BRK-B Class A Common Stock See Footnote [F2] — — 12,500 Disposed
March 22, 2017 BRK-B Class A Common Stock See footnote [F2] — — 50 Disposed
July 13, 2016 BRK-B Class A Common Stock See footnote [F3] — — 13,100 Disposed
Jan. 25, 2016 BRK-B Class A Common Stock See footnote [F2] — — 139 Disposed
June 25, 2015 BRK-B Class A Common Stock See footnote [F3] — — 12,600 Disposed
July 2, 2014 BRK-B Class A Common Stock See footnote [F2] — — 15,000 Disposed
July 5, 2013 BRK-B Class A Common Stock See footnote [F2] — — 14,000 Disposed
July 6, 2006 BRK-B Class A Common Stock see footnote 1 — — 124,998 Disposed
April 3, 2006 KO Phantom Stock Units Common Stock, $.25 par value (924) — — 924 Acquired
Dec. 15, 2005 KO Phantom Stock Units Common Stock, $.25 par value (922) — — 922 Acquired
Oct. 3, 2005 KO Phantom Stock Units Common Stock, $.25 par value (868) — — 868 Acquired
July 1, 2005 KO Phantom Stock Units Common Stock, $.25 par value (885) — — 885 Acquired
April 1, 2005 KO Phantom Stock Units Common Stock, $.25 par value (891) — — 891 Acquired
Dec. 15, 2004 KO Phantom Stock Units Common Stock, $.25 par value (878) — — 878 Acquired
Oct. 1, 2004 KO Phantom Stock Units Common Stock, $.25 par value (889) — — 889 Acquired
July 1, 2004 KO Phantom Stock Units Common Stock, $.25 par value (709) — — 709 Acquired
April 1, 2004 KO Phantom Stock Units Common Stock $.25 par value (707) — — 707 Acquired
Dec. 15, 2003 KO Phantom Stock Units Common Stock, $.25 par value (704) — — 704 Acquired
Oct. 1, 2003 KO Phantom Stock Units Common Stock, $.25 par value (801) — — 801 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).