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O

O'Sullivan Michael J.

Open-market buys

5

$501K total

Open-market sells

2

$777K total

Tracking since

Oct 2025

Activity timeline

Open-market buy — $22K

BERKSHIRE HATHAWAY INC · Aug 12, 2026

Open-market buy — $205K

BERKSHIRE HATHAWAY INC · Aug 12, 2026

Open-market trades from the last two years.

Holdings as last reported

1,794,888 Class A Common Stock in SNAP

Held directly · as of 2025-11-17

550,548 Class A Common Stock in SNAP

Held indirectly (By Trust) · as of 2025-11-17

Companies touched

BERKSHIRE HATHAWAY INC