O'sullivan Michael J.

EDGAR CIK 0001713777

Berkshire Hathaway Inc - BRK-B

  1. Finance, Insurance, Real Estate
  2. Insurance Carriers
  3. Fire, Marine & Casualty Insurance
Officer
Senior Vice President, General Counsel and Secreta
Direct Buys
0
$0
0 Shares
Direct Sells
0
$0
0 Shares
Indirect Buys
2
$500,617
1,024 Shares
Indirect Sells
0
$0
0 Shares
Monthly Values

Transaction Filed Type Shares @ Price Value Balance ( Change % ) Ownership
08/12/2026
08/13/2026
Buy
488 @ $512.44
 $250,072 1,151 (73.60%) Indirect - By Trust
05/06/2026
05/06/2026
Buy
536 @ $467.44
 $250,545 663 (422.05%) Indirect - By Trust

Snap Inc - SNAP

  1. Services
  2. Business Services
  3. Computer Programming, Data Processing, Etc.
Officer
General Counsel
Direct Buys
0
$0
0 Shares
Direct Sells
1
($591,021)
-70,882 Shares
Indirect Buys
0
$0
0 Shares
Indirect Sells
1
($185,623)
-24,000 Shares
Monthly Values

Transaction Filed Type Shares @ Price Value Balance ( Change % ) Ownership
11/17/2025
11/19/2025
Sell
-70,882 @ $8.34
 ($591,021) 1,854,982 (-3.68%) Direct
10/31/2025
10b5-1
11/04/2025
Sell
-24,000 @ $7.73
 ($185,623) 490,454 (-4.67%) Indirect - By Trust