O'sullivan Michael J. Insider Trades

Insider Trading History

Track insider trading activity for O'sullivan Michael J.. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Berkshire Hathaway
Berkshire Hathaway BRK.B
See Remarks
Holding Value $248k 610 shares
Last Trade
May 06, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$196k 483 shares
$405.77
$405.77
Berkshire Hathaway
Berkshire Hathaway BRK.B
See Remarks
Holding Value $269k 663 shares
Last Trade
May 06, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$21.5k 53 shares
$405.77
$405.77
Snap
Snap SNAP
General Counsel
Holding Value $10.6M 1,854,982 shares
Last Trade
Nov 17, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$591k 70,882 shares
$8.34
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $3.15M 550,548 shares
Last Trade
Nov 17, 2025 Purchase (Other)Another type of insider transaction reported on SEC Form 4.
$492k 60,094 shares
$8.18
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $10.3M 1,794,888 shares
Last Trade
Nov 17, 2025 Sale (Other)Another type of insider transaction reported on SEC Form 4.
$492k 60,094 shares
$8.18
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $2.81M 490,454 shares
Last Trade
Oct 31, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$186k 24,000 shares
$7.73
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $2.95M 514,454 shares
Last Trade
Sep 30, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$189k 24,000 shares
$7.86
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $11M 1,925,864 shares
Last Trade
Sep 16, 2025 Sale (Other)Another type of insider transaction reported on SEC Form 4.
$102k 13,200 shares
$7.74
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $3.09M 538,454 shares
Last Trade
Sep 16, 2025 Purchase (Other)Another type of insider transaction reported on SEC Form 4.
$102k 13,200 shares
$7.74
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $11.1M 1,939,064 shares
Last Trade
Sep 16, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$108k 14,290 shares
$7.58
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $3.01M 525,254 shares
Last Trade
Aug 29, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$172k 24,000 shares
$7.16
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $11.2M 1,953,354 shares
Last Trade
Aug 18, 2025 Sale (Other)Another type of insider transaction reported on SEC Form 4.
$457k 62,270 shares
$7.34
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $11.5M 2,015,624 shares
Last Trade
Aug 18, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$493k 68,705 shares
$7.18
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $3.15M 549,254 shares
Last Trade
Aug 18, 2025 Purchase (Other)Another type of insider transaction reported on SEC Form 4.
$457k 62,270 shares
$7.34
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $2.79M 486,984 shares
Last Trade
Jul 31, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$230k 24,000 shares
$9.57
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $2.93M 510,984 shares
Last Trade
Jun 30, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$209k 24,000 shares
$8.71
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $3.07M 534,984 shares
Last Trade
Jun 16, 2025 Purchase (Other)Another type of insider transaction reported on SEC Form 4.
$109k 13,194 shares
$8.27
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $12M 2,097,523 shares
Last Trade
Jun 16, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$115k 14,297 shares
$8.04
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $11.9M 2,084,329 shares
Last Trade
Jun 16, 2025 Sale (Other)Another type of insider transaction reported on SEC Form 4.
$109k 13,194 shares
$8.27
$5.73
Snap
Snap SNAP
General Counsel
Holding Value $2.99M 521,790 shares
Last Trade
May 30, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$196k 24,000 shares
$8.15
$5.73

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