InsiderFlow

Michael J. O'Sullivan

SNAP

Michael J. O'Sullivan serves as officer: See Remarks at Snap Inc. (SNAP). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$250.5K

Total Sells

74 trades

$36.96M

Net Position

Net Seller

$36.71M

Companies Traded

2

BRK.B, SNAP

Active Period

Apr 2021 – May 2026

75 total trades

Most Recent

Buy BRK.B

May 6, 2026 · $250.5K

Michael J. O'Sullivan's Insider Trading at Snap Inc. (SNAP)

Buys

0 · $0.00

Sells

49 · $13.44M

Total Shares Bought

0

Total Shares Sold

1,300,095

SNAP Price Chart
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DateTypeValue
Nov 19, 2025 Sell$591.0K
Nov 4, 2025 Sell$185.6K
Oct 2, 2025 Sell$188.5K
Sep 18, 2025 Sell$108.3K
Aug 29, 2025 Sell$171.9K
Aug 20, 2025 Sell$493.1K
Aug 4, 2025 Sell$229.6K
Jul 2, 2025 Sell$209.0K
Jun 18, 2025 Sell$115.0K
Jun 3, 2025 Sell$195.5K
May 19, 2025 Sell$591.7K
May 1, 2025 Sell$185.9K
Apr 2, 2025 Sell$206.4K
Mar 18, 2025 Sell$125.2K
Mar 4, 2025 Sell$243.8K
Feb 20, 2025 Sell$749.5K
Feb 3, 2025 Sell$206.9K
Jan 2, 2025 Sell$195.1K
Dec 18, 2024 Sell$651.8K
Dec 3, 2024 Sell$213.9K
Nov 20, 2024 Sell$129.9K
Nov 4, 2024 Sell$221.7K
Oct 2, 2024 Sell$194.6K
Sep 18, 2024 Sell$548.6K
Sep 4, 2024 Sell$167.5K
Aug 20, 2024 Sell$113.9K
Aug 2, 2024 Sell$239.1K
Jul 2, 2024 Sell$298.1K
Jun 20, 2024 Sell$913.8K
Jun 4, 2024 Sell$270.2K
May 20, 2024 Sell$202.0K
May 2, 2024 Sell$271.8K
Apr 1, 2024 Sell$207.6K
Mar 20, 2024 Sell$655.9K
Mar 4, 2024 Sell$200.8K
Feb 2, 2024 Sell$210.0K
Dec 19, 2023 Sell$219.4K
Dec 1, 2023 Sell$179.8K
Nov 20, 2023 Sell$424.6K
Nov 2, 2023 Sell$129.1K
Oct 3, 2023 Sell$113.8K
Sep 1, 2023 Sell$134.3K
Aug 18, 2023 Sell$332.7K
Aug 2, 2023 Sell$145.9K
Jul 5, 2023 Sell$154.3K
Jun 2, 2023 Sell$129.9K
May 18, 2023 Sell$517.5K
May 2, 2023 Sell$111.2K
Apr 4, 2023 Sell$144.7K

Michael J. O'Sullivan's Insider Trading at Berkshire Hathaway Inc. (BRK.B)

Buys

1 · $250.5K

Sells

0 · $0.00

Total Shares Bought

536

Total Shares Sold

0

BRK.B Price Chart
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DateTypeValue
May 6, 2026 Buy$250.5K

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