Berkshire Hathaway (BRK.B) Stock: New Insider Purchase Signals Confidence Despite Market Underperformance

Key Takeaways

• Michael O’Sullivan, Berkshire’s newly appointed general counsel, acquired 536 Class B shares worth approximately $250,000 this week.
• This marks only the second insider transaction in 2026, following CEO Greg Abel’s $15 million Class A stock purchase in March.
• Shares of BRK.B have declined 6.5% year-to-date, underperforming the S&P 500 index by approximately 14 percentage points.
• Questions persist about whether CEO Greg Abel should increase his Berkshire holdings, given that his stake may account for under 20% of his total wealth.
• Wall Street analysts currently rate the stock as “Hold” with an average price target of $521.50, suggesting roughly 11% potential upside.

Berkshire Hathaway’s newly appointed general counsel has made his inaugural stock acquisition since taking the position, purchasing $250,000 in Class B shares this Wednesday.

Berkshire Hathaway Inc., BRK-B

Michael O’Sullivan acquired 536 shares of BRK.B at approximately $468 per share. His total holdings now stand at 663 shares valued at roughly $300,000, based on a Form 4 disclosure filed with the Securities and Exchange Commission.

O’Sullivan assumed his role at Berkshire on January 1, joining from Snap Inc. to fill a newly established in-house general counsel position. His background includes more than two decades with Munger, Tolles & Olson — the prestigious law firm that was co-founded by Berkshire’s late Vice Chairman Charlie Munger.

This transaction represents just the second instance of insider buying in 2026. Earlier, CEO Greg Abel purchased 21 shares of Class A stock for approximately $15 million on March 4, financed through after-tax proceeds from his $25 million 2026 compensation package. Abel has committed to making similar annual investments.

BRK.B concluded Wednesday’s trading session just under $470. Year-to-date, the stock has declined approximately 6.5%, contrasting sharply with the S&P 500’s roughly 7.6% gain during the identical timeframe — creating a performance gap of about 14 percentage points.

Looking at the trailing twelve-month period, the underperformance becomes even more pronounced, with BRK.B lagging the benchmark index by approximately 40 percentage points.

Berkshire’s first-quarter financial results, announced on May 2, revealed total revenue of $93.7 billion, representing a 4.4% increase year-over-year. Earnings per share reached $4.68, nearly doubling with a 120% surge compared to the prior year. Despite these solid results, shares declined 1% in the session following the earnings release.

Scrutiny on CEO Abel’s Holdings

Abel is widely considered to have billionaire status, with a substantial portion of his fortune originating from an $870 million cash distribution received when he divested a 1% interest in Berkshire Hathaway Energy back in 2022. His current Berkshire position includes 249 Class A shares valued at approximately $175 million, plus Class B shares worth roughly $1 million.

This Berkshire investment may constitute less than 20% of Abel’s estimated total net worth. According to Berkshire’s proxy statement guidelines, directors are expected to maintain a “significant investment in Berkshire relative to their resources,” and certain shareholders believe Abel should consider expanding his stake.

At present valuations, BRK.B is trading at approximately 1.4 times Berkshire’s book value as of March 31, and closer to 1.3 times the anticipated June 30 book value — both figures sitting below historical averages from recent years.

Wall Street’s Perspective

Among the six analysts providing coverage on BRK.B, the consensus rating stands at “Hold” — consisting of two Strong Buy recommendations, three Hold ratings, and one Strong Sell. This represents a downgrade from the “Moderate Buy” consensus observed just one month earlier.

On May 6, DBS analyst Edmond Fok reaffirmed his Hold recommendation with a $500 price target, suggesting approximately 6.4% upside potential from current trading levels.

The average analyst price target is positioned at $521.50, representing about 11% upside from the stock’s present valuation. The most optimistic forecast on Wall Street stands at $570, which would translate to potential gains of roughly 21%.

For the complete fiscal year, Wall Street consensus projects BRK.B’s diluted earnings per share will decline modestly by 1.8% to $20.25.

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