| Jain Ajit | Vice Chairman | 39,700Class B Common Stock | $30.1B | Sell | |
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| Jain Ajit | Vice Chairman | 10Class B Common Stock | $7.6M | Gift given | |
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| Chang Charles C | See Remarks | 2Class A Common Stock | $1.6M | Buy | |
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| O'Sullivan Michael J. | See Remarks | 488Class B Common Stock | $380.7M | Buy | |
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| BUFFETT WARREN E | Director, 10% Owner | 8,000Class A Common Stock | $5.9B | Conversion | |
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| BUFFETT WARREN E | Director, 10% Owner | 10,000,000Class B Common Stock | $7.4T | Gift given | |
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| BUFFETT WARREN E | Director, 10% Owner | 12,000,000Class B Common Stock | $8.9T | Conversion | |
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| Jain Ajit | Vice Chairman | 3Class B Common Stock | $2.2M | Gift given | |
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| BUFFETT WARREN E | Director, 10% Owner | 160Class B Common Stock | $116.6M | Gift given | |
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| BUFFETT WARREN E | Director, 10% Owner | 25Class A Common Stock | $18.1M | Conversion | |
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