Arkolith/Insider Trading/BRK.A/Form 4

Buffett Warren E

Chairman and CEO, Director, 10% OwnerBERKSHIRE HATHAWAY INC (BRK.A) · full profile →Form 4 · filed Nov 12, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
6
5 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Nov 10, 2025Gift(G)400K—$0401K
Nov 10, 2025Gift(G)400K—$0801K
Nov 10, 2025Gift(G)1.5M—$01.2M
Nov 10, 2025Conversion(C)2.7M—$02.7M
Nov 10, 2025Gift(G)400K—$01K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Nov 10, 2025Conversion(C)2K——196K

Transaction Codes

G
Gift
C
Conversion of a derivative

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-25-277658) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML