Michael J. O'Sullivan has bought stock on 2 days since May 2026

Michael J. O'Sullivan

Michael J. O'Sullivan is Senior Vice President, General Counsel, and Secretary at Berkshire Hathaway Inc. (BRK), a position created for him starting January 1, 2026, marking the first in-house legal director role at the company, which previously relied on external counsel.( Based in Omaha, Nebraska, he oversees corporate legal matters.(

O'Sullivan brings over 20 years of experience from Munger, Tolles & Olson, the law firm co-founded by Charlie Munger, Berkshire's late vice chairman.( He most recently served as general counsel at Snap Inc. (Snapchat's parent) since 2017.( On May 6, 2026, his living trust, for which he is trustee, purchased 536 Class B shares of BRK.B indirectly at prices around $467–$470, totaling about $250,545, bringing his holdings to 663 shares valued at roughly $300,000.(

Written by Perplexity from public sources.