Michael J. O'Sullivan, See Remarks at BERKSHIRE HATHAWAY INC (BRK.B), bought 536 shares at $467.13 ($251K) on 2026-05-06, disclosed to the SEC on 2026-05-06.
Berkshire Hathaway insider Michael J. O'Sullivan purchased 483 shares worth approximately $225,623.79 on May 6, 2026, marking the largest purchase of his career and a rare reversal in trading activity. This significant buyback comes as the stock trades near the bottom of its 52-week range, potentially signaling confidence in the conglomerate's long-term value despite recent portfolio shifts.
BRK.B is currently trading at $469.75, down 1.2% over the past five days and 1.49% over the last month, placing it 5.82% below its 52-week high of $498.80.
The market is closely watching the leadership transition to CEO Greg Abel, with recent commentary suggesting the 'Buffett Premium' may be fading as the market adjusts to a less celebrity-driven leadership style (May 11). Additionally, Berkshire's recent portfolio reallocation—specifically the exit from AMZN and UNH and entry into GOOG—has generated significant headlines that could influence investor sentiment (May 18, May 20).
Analysts have noted that the 'Buffett Premium' may be fading as the market adjusts to a leader who is less of a celebrity, potentially limiting the stock's upside (May 11). Furthermore, Berkshire's recent exit from underperforming positions like UnitedHealth and Domino's suggests the conglomerate is actively pruning underperforming assets, which could weigh on sentiment (May 20).
Clearly above the average filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $467.13 | 483 | $226K | 90.1% |
| 2 | $470.22 | 53 | $25K | 9.9% |
| Total | $467.44 avg | 536 | $251K | 100% |
| Filing → |
| SNAP | SELL | 2025-11-04 | $186K | — | Filing → |
| SNAP | SELL | 2025-10-02 | $189K | — | Filing → |
| SNAP | SELL | 2025-09-18 | $217K | — | Filing → |