Berkshire Hathaway (BRK.B) SVP Michael O'Sullivan Buys Shares

What Happened

• Michael J. O'Sullivan, Senior Vice President, General Counsel and Secretary of Berkshire Hathaway Inc. (BRK.B), made open-market purchases of company stock on August 12, 2026. He acquired three lots: 45 shares at a weighted average price of $510.64 ($22,979), 400 shares at $512.52 ($205,008), and 43 shares at $513.61 ($22,085), for a total of 488 shares costing $250,072. These were purchases (insider buys), which many investors view as a more informative signal than routine sales.

Key Details

• Transaction date: August 12, 2026; Form 4 filed August 13, 2026 (appears timely).
• Lots and reported weighted-average prices:
  • 45 shares @ $510.64 (weighted average; price range reported: $510.58–$510.68) — $22,979
  • 400 shares @ $512.52 (weighted average; price range: $512.42–$512.54) — $205,008
  • 43 shares @ $513.61 (weighted average; price range: $513.60–$513.64) — $22,085
• Total purchased: 488 shares for $250,072.
• Shares owned after the transactions: Not specified in the provided filing excerpt.
• Notable footnotes: reported prices are weighted averages from multiple trades (see ranges above); one footnote indicates shares are held by a living trust for which the reporting person is trustee.
• Transaction code: P = Purchase (open market).

Context

• These were straightforward open-market purchases (no option exercises, awards, or gifts). Purchases by executives can signal confidence but do not prove future performance; they are simply factual disclosures of insider buying.