Michael J. O'Sullivan
Senior Vice President, General Counsel and Secretary · 2 filings · Latest: Aug 12, 2026
BERKSHIRE HATHAWAY INC
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
SNAP | O'Sullivan Michael J. | — | Feb 18, 2025 | Proposed Sale | $10.84 | 69,119 | $749.4K | — | |
SNAP | Michael O'Sullivan Living Trust | — | Jan 31, 2025 | Proposed Sale | $11.29 | 18,000 | $203.2K | — | |
SNAP | Michael O'Sullivan Living Trust | — | Dec 31, 2024 | Proposed Sale | $10.77 | 18,000 | $193.9K | — | |
SNAP | O'Sullivan Michael J. | — | Dec 16, 2024 | Proposed Sale | $11.44 | 56,961 | $651.8K | — | |
SNAP | Michael O'Sullivan Living Trust | — | Nov 29, 2024 | Proposed Sale | $11.61 | 18,000 | $209.0K | — | |
SNAP | O'Sullivan Michael J. | — | Nov 18, 2024 | Proposed Sale | $10.54 | 12,315 | $129.9K | — | |
SNAP | Michael O'Sullivan Living Trust | — | Oct 31, 2024 | Proposed Sale | $12.16 | 18,000 | $218.9K | — | |
SNAP | Michael O'Sullivan Living Trust | — | Sep 30, 2024 | Proposed Sale | $10.70 | 18,000 | $192.6K | — | |
SNAP | O'Sullivan Michael J. | — | Sep 16, 2024 | Proposed Sale | $9.29 | 59,053 | $548.6K | — | |
SNAP | Michael O'Sullivan Living Trust | — | Aug 30, 2024 | Proposed Sale | $9.22 | 18,000 | $166.0K | — | |
SNAP | Michael O'Sullivan | — | Jul 31, 2025 | Proposed Sale | $9.43 | 24,000 | $226.3K | — |
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