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BERKSHIRE HATHAWAY INC

BRK-B, BRK-A · Fire, Marine & Casualty Insurance · 941K shares · +2%/yr ↑ shares · EDGAR filings ↗
Net buyback after stock comp: $9.2B (gross $9.2B)

Reference price $467.13 · est. market cap ~$440M — last insider purchase, 2026-05-06 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)

Grade

B77

Dominant, fortress-balance-sheet insurance/industrial conglomerate whose massive equity base depresses headline ROE.

Strengths

Risks

Notable findings

Quarterly revenue

2025-06-30 · $92.5B2025-09-30 · $95.0B2025-12-31 · $94.2B2026-03-31 · $93.7B

Last 4 quarters · from SEC filings.

Key metrics

Net margin
18.0%
Return on equity
9.3%
Return on assets
5.5%
Revenue growth (QoQ)
-0.6%
Net-income growth
-24.8%
Free cash flow
$25.0B
Tangible book value
$634.3B

Insider transactions · last 18 months

DateInsiderTypeSharesPrice
2026-05-22BUFFETT WARREN EGift160—
2026-05-18BUFFETT WARREN EConversion38K—
2026-05-18BUFFETT WARREN EGift19K—
2026-05-18BUFFETT WARREN EGift19K—
2026-05-14GUYMAN CHARLOTTEGift574—
2026-05-06O'Sullivan Michael J.Buy483$467.13
2026-05-06O'Sullivan Michael J.Buy53$470.22
2026-05-01BERKSHIRE HATHAWAY INCSell1.2M$149.84
2026-03-27Jain AjitGift22—
2026-01-29BERKSHIRE HATHAWAY INCSell1.7M$120.56
2026-01-16BERKSHIRE HATHAWAY INCSell7.7K$83.72
2026-01-15BERKSHIRE HATHAWAY INCSell18K$84.04
2026-01-14BERKSHIRE HATHAWAY INCSell59K$83.79
2026-01-13BERKSHIRE HATHAWAY INCSell31K$82.78
2026-01-12BERKSHIRE HATHAWAY INCSell67K$83.27
2026-01-09BERKSHIRE HATHAWAY INCSell19K$82.40
2026-01-08BERKSHIRE HATHAWAY INCSell65K$82.25
2026-01-07BERKSHIRE HATHAWAY INCSell44K$81.22
2026-01-06BERKSHIRE HATHAWAY INCSell20K$83.48
2025-11-10BUFFETT WARREN EGift400K—
2025-11-10BUFFETT WARREN EGift400K—
2025-11-10BUFFETT WARREN EGift400K—
2025-11-10BUFFETT WARREN EGift1.5M—
2025-11-10BUFFETT WARREN EConversion2.7M—
2025-11-03GUYMAN CHARLOTTEGift410—
2025-11-03GUYMAN CHARLOTTEConversion1.5K—
2025-10-27BERKSHIRE HATHAWAY INCSell402K$135.36
2025-10-22Jain AjitGift32—
2025-09-26Jain AjitSell15K—
2025-09-24Jain AjitGift32—
2025-08-08Jain AjitSell2.0K$464.73
2025-08-04BERKSHIRE HATHAWAY INCBuy1.0M$21.63
2025-08-01BERKSHIRE HATHAWAY INCBuy1.9M$21.02
2025-07-31BERKSHIRE HATHAWAY INCBuy85K$21.43
2025-07-31BERKSHIRE HATHAWAY INCBuy2.0M$21.04
2025-07-31BERKSHIRE HATHAWAY INCSell1.6M$140.61
2025-07-30BERKSHIRE HATHAWAY INCSell4.3M$282.15
2025-07-14BUFFETT WARREN EGift30—
2025-06-30BUFFETT WARREN EGift660K—
2025-06-30BUFFETT WARREN EGift660K—
2025-06-30BUFFETT WARREN EGift660K—
2025-06-30BUFFETT WARREN EGift9.4M—
2025-06-30BUFFETT WARREN EGift943K—
2025-06-27BUFFETT WARREN EConversion12.4M—
2025-05-27BERKSHIRE HATHAWAY INCSell12K$140.18
2025-05-27BERKSHIRE HATHAWAY INCSell72K$139.56
2025-05-27BERKSHIRE HATHAWAY INCSell19K$138.59
2025-05-23BERKSHIRE HATHAWAY INCSell36K$138.19
2025-05-23BERKSHIRE HATHAWAY INCSell27K$137.28
2025-05-23BERKSHIRE HATHAWAY INCSell800$138.60
2025-05-22BERKSHIRE HATHAWAY INCSell31K$138.94
2025-05-22BERKSHIRE HATHAWAY INCSell1.3K$139.88
2025-05-14BUFFETT WARREN EGift22—
2025-05-13BUFFETT WARREN EConversion1.5K—
2025-05-13BUFFETT WARREN EGift1.3K—
2025-05-08BERKSHIRE HATHAWAY INCSell1.1M$147.11
2025-04-09BUFFETT WARREN EGift160—
2025-04-02Jain AjitGift10—
2025-03-19GUYMAN CHARLOTTEGift1.0K—
2025-03-14Jain AjitGift10—
2025-03-03WITMER MERYL BSell2$775,883.30
2025-02-24WITMER MERYL BGift1.0K—
2025-02-19BERKSHIRE HATHAWAY INCSell65K$153.60
2025-02-19BERKSHIRE HATHAWAY INCSell55K$154.47
2025-02-19BERKSHIRE HATHAWAY INCSell9.5K$155.25
2025-02-18BERKSHIRE HATHAWAY INCSell200$156.11
2025-02-18BERKSHIRE HATHAWAY INCSell29K$155.41
2025-02-18BERKSHIRE HATHAWAY INCSell50K$154.72
2025-02-18BERKSHIRE HATHAWAY INCSell1.8K$158.01
2025-02-18BERKSHIRE HATHAWAY INCSell40K$153.69
2025-02-14BERKSHIRE HATHAWAY INCSell78K$153.66
2025-02-14BERKSHIRE HATHAWAY INCSell34K$150.78
2025-02-14BERKSHIRE HATHAWAY INCSell30K$151.60
2025-02-14BERKSHIRE HATHAWAY INCSell35K$152.70
2025-02-14BERKSHIRE HATHAWAY INCSell92K$154.70
2025-02-14BERKSHIRE HATHAWAY INCSell70K$155.54
2025-02-14BERKSHIRE HATHAWAY INCSell66K$156.68
2025-02-14BERKSHIRE HATHAWAY INCSell65K$157.74
2025-02-14BERKSHIRE HATHAWAY INCSell28K$158.41
2025-02-14BERKSHIRE HATHAWAY INCSell1.3K$159.16
2025-02-11BERKSHIRE HATHAWAY INCSell203K$156.01
2025-02-07BERKSHIRE HATHAWAY INCBuy763K$46.82
2025-02-03BERKSHIRE HATHAWAY INCBuy433K$23.49
2025-02-03BERKSHIRE HATHAWAY INCBuy284K$24.05
2025-01-31BERKSHIRE HATHAWAY INCBuy840K$23.62
2025-01-30BERKSHIRE HATHAWAY INCBuy751K$22.79
2025-01-16Jain AjitGift3—
2025-01-03BERKSHIRE HATHAWAY INCBuy800$204.94
2025-01-03BERKSHIRE HATHAWAY INCBuy12K$204.61
2025-01-02BERKSHIRE HATHAWAY INCBuy5.9K$204.84
2024-12-31BERKSHIRE HATHAWAY INCBuy1.6K$204.83

All non-derivative Form 4 activity (SEC), newest first.

Supply chain

Customers (1)

Suppliers (0)

    Named in the 10-K; linked when we track them.

    Notable events (8-K)

    DateItems
    2026-05-07ResultsExec/director change5.03Shareholder voteExhibitsfiling ↗
    2026-04-16OtherExhibitsfiling ↗
    2026-03-05OtherExhibitsfiling ↗
    2026-03-02ResultsExhibitsfiling ↗
    2026-01-06Exec/director changefiling ↗
    2025-12-11Exec/director changeExhibitsfiling ↗
    2025-11-21OtherExhibitsfiling ↗
    2025-11-03ResultsExhibitsfiling ↗

    Recent filings

    FormFiledPeriodAccession
    8-K2026-05-072026-05-020001193125-26-212148 ↗
    10-Q2026-05-042026-03-310001193125-26-202243 ↗
    8-K2026-04-162026-04-160001193125-26-159326 ↗
    8-K2026-03-052026-03-040001193125-26-092557 ↗
    8-K2026-03-022026-02-280001193125-26-085801 ↗
    10-K2026-03-022025-12-310001193125-26-083899 ↗
    8-K/A2026-01-062025-05-030001193125-26-004727 ↗
    8-K2025-12-112025-12-080001193125-25-314935 ↗
    8-K2025-11-212025-11-200001193125-25-290864 ↗
    8-K2025-11-032025-11-010001193125-25-262260 ↗
    10-Q2025-11-032025-09-300001193125-25-261548 ↗
    8-K2025-10-032025-09-300001193125-25-229405 ↗