Common stock (Tables)

12 Months Ended

Dec. 31, 2021

Changes in issued, treasury and outstanding Berkshire common stock

Changes in Berkshire’s issued, treasury and outstanding common stock during the three years ending December 31, 2021 are shown in the table below. In addition to our common stock, 1,000,000 shares of preferred stock are authorized, but none are issued.

	Class A, $5 Par Value (1,650,000 shares authorized)									Class B, $0.0033 Par Value (3,225,000,000 shares authorized)
	Issued			Treasury			Outstanding			Issued		Treasury			Outstanding
Balance December 31, 2018		742,213			(12,897	)		729,316			1,373,558,983		(6,138,909	)		1,367,420,074
Conversions of Class A common stock to Class B common stock and exercises of replacement stock options		(22,906	)		—			(22,906	)		34,624,869		—			34,624,869
Treasury stock acquired		—			(4,440	)		(4,440	)		—		(17,563,410	)		(17,563,410	)
Balance December 31, 2019		719,307			(17,337	)		701,970			1,408,183,852		(23,702,319	)		1,384,481,533
Conversions of Class A common stock to Class B common stock		(40,784	)		—			(40,784	)		61,176,000		—			61,176,000
Treasury stock acquired		—			(17,255	)		(17,255	)		—		(95,614,062	)		(95,614,062	)
Balance December 31, 2020		678,523			(34,592	)		643,931			1,469,359,852		(119,316,381	)		1,350,043,471
Conversions of Class A common stock to Class B common stock		(12,622	)		—			(12,622	)		18,933,000		—			18,933,000
Treasury stock acquired		—			(14,196	)		(14,196	)		—		(78,501,968	)		(78,501,968	)
Balance December 31, 2021		665,901			(48,788	)		617,113			1,488,292,852		(197,818,349	)		1,290,474,503

- Definition

Tabular disclosure of an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation, and EPS information. Stock by class includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued, and outstanding.

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+ Details