Berkshire CFO entity buys 2 Class A shares

BERKSHIRE HATHAWAY INC executive Charles C. Chang, Senior Vice President and Chief Financial Officer, reported two open-market purchases of Class A Common Stock on August 12, 2026.

Rhea-AI Filing Summary

BERKSHIRE HATHAWAY INC executive Charles C. Chang, Senior Vice President and Chief Financial Officer, reported two open-market purchases of Class A Common Stock on August 12, 2026. An entity controlled by Chang and his spouse acquired 2 shares in total, at prices around $765,000 per share. Each Class A share is convertible at any time into 1,500 Class B shares.

Insider Trade Summary

Net Buyer: 2 shares

Net Buy 2 txns

Insider Chang Charles C

Role See Remarks

Bought 2 shs ($1.53M)

Type	Security	Shares	Price	Value
Purchase	Class A Common Stock F1, F2	1	$765,189.94	$765K
Purchase	Class A Common Stock F1, F2	1	$765,184.18	$765K

Holdings After Transaction: Class A Common Stock — 8 contracts (Indirect, By LLC)

Footnotes (2)

1. F1. 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.
2. F2. Shares held by a limited liability company controlled by the reporting person and the reporting person's spouse.

Key Figures

Shares purchased: 2 shares Purchase price per share: $765,189.94 Purchase price per share: $765,184.18 +2 more

5 metrics

Shares purchased 2 shares Total Berkshire Hathaway Class A shares acquired on August 12, 2026

Purchase price per share $765,189.94 Price for 1 Class A share in first reported transaction

Purchase price per share $765,184.18 Price for 1 Class A share in second reported transaction

Conversion ratio 1,500 Class B shares per Class A share Each Class A share convertible at any time at holder’s option

Transactions classified as buys 2 transactions Both reported with code P and acquisition flag A

Key Terms

Class A Common Stock, indirect ownership, limited liability company, convertible

4 terms

Class A Common Stock financial

"Security title reported as Class A Common Stock in both transactions"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

indirect ownership financial

"Transactions marked indirect with nature of ownership By LLC"

limited liability company financial

"Shares held by a limited liability company controlled by the reporting person"

A limited liability company (LLC) is a business structure that separates the owners’ personal assets from the company’s debts and legal obligations, like a protective shield that keeps personal savings and property distinct from business risk. For investors, that protection reduces personal financial exposure and often brings flexible rules for profit sharing and taxes, but it can also affect how easily interests are bought or sold and how decisions are made.

convertible financial

"Each share of Class A Common Stock is convertible at any time"

A convertible is a type of investment that starts as a loan or preferred stake (like a bond or preferred share) but can be exchanged for common shares of the company at a set price or under certain conditions. It matters to investors because it offers a mix of steady income and downside protection like a loan, plus the upside of stock ownership if the company does well—similar to holding a coupon that you can trade for a full ticket if the event becomes valuable.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did BERKSHIRE HATHAWAY (BRK) report for Charles C. Chang?

Charles C. Chang reported two purchases of Berkshire Hathaway Class A Common Stock on August 12, 2026. An LLC controlled by Chang and his spouse acquired 2 shares total in open-market transactions, according to the filing details.

At what prices were the BRK.A shares bought in this Form 4 filing?

The shares were purchased at $765,189.94 and $765,184.18 per share. Both transactions involved 1 share of Berkshire Hathaway Class A Common Stock each, recorded as open-market or private purchases on August 12, 2026.

Did Charles C. Chang buy Berkshire Hathaway (BRK) shares directly or indirectly?

The purchases were reported as indirect ownership through an LLC. The filing notes the shares are held by a limited liability company controlled by Charles C. Chang and his spouse, rather than being held directly in his own name.

How many Berkshire Hathaway Class A shares were acquired in this BRK Form 4?

The Form 4 reports the acquisition of 2 shares of Berkshire Hathaway Class A Common Stock. These were two separate open-market purchases of 1 share each, executed on the same date and held indirectly through a controlled LLC.

What is the conversion feature on Berkshire Hathaway Class A stock mentioned in the Form 4?

Each Berkshire Hathaway Class A share is convertible into 1,500 Class B shares. The filing notes this conversion can occur at any time at the option of the holder, describing the relationship between the company’s two common stock classes.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/13/2026 - 05:01 PM Accepted by SEC EDGAR 08/13/2026 - 05:00 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Chang Charles C

(Last) (First) (Middle)

3555 FARNAM STREET

(Street)

OMAHA NEBRASKA 68131

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
BERKSHIRE HATHAWAY INC [ BRK.A ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/12/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class A Common Stock	(1)	08/12/2026		P		1		(1)	(1)	See footnote(1)	(1)	$765,189.94	7	I	By LLC(2)
Class A Common Stock	(1)	08/12/2026		P		1		(1)	(1)	See footnote(1)	(1)	$765,184.18	8	I	By LLC(2)

Explanation of Responses:

1. 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.

2. Shares held by a limited liability company controlled by the reporting person and the reporting person's spouse.

Remarks:

Senior Vice President and Chief Financial Officer

	/s/ Charles C. Chang	08/13/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)