Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Nov 10, 2025
Reporting period
Not applicable
Filed with the SEC
Nov 12, 2025
CEOOption exercise
Context
Classification
option exercise
Code C — exercise or conversion of a derivative security
Planned / mechanical clue
None found in footnotes
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001193125-25-277658
Filed / recorded
Nov 12, 2025, 9:18 PM UTC
Added to OQRO
Oct 2, 2026, 12:27 PM UTC
Parser
form4-xml-v1
Data quality
Verified: identifiers matched exactly
Issuer
BERKSHIRE HATHAWAY INC
Issuer CIK
1067983
Ticker
BRK.A
Reporting person
Warren E Buffett
Relationship
Director, Officer, 10% owner
Officer title
Chairman and CEO
Security
Class A Common Stock
Table
Derivative (Table II)
Transaction date
Nov 10, 2025
Transaction code
C
Shares / units
1,800
Acquired / disposed
Disposed (D)
Shares owned after
196,317
Ownership form
Direct
Amendment
No
Footnotes from the filing
Each share of Class A Common Stock is convertible at any time at the option of the holder into 1,500 shares of Class B Common Stock. In accordance with the instructions to Form 4, my holdings of shares of Class A Common Stock are reported in Table II.
Congressional trade
Congressional tradeSits on House Financial Services