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BRK-A

BERKSHIRE HATHAWAY INC

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2792
SEC CIK
0001067983
Parsed reports
463

Last 12 months

Inside the activity.

5 purchase rows · 1 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202600
Feb 202600
Mar 202600
Apr 202600
May 202620
Jun 202600
Jul 202600
Aug 202630
Sep 202601
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 28, 2026 Filed Sep 30, 2026 01:16 UTC
Jain AjitDirector · Vice Chairman
SaleClass B Common Stock 39,700 $503.09 $19,972,776.22
Disclosure

SEC source: 0001728451-26-000004 · primary_doc.xml · nonDerivative · entry 1

Jain Ajit · CIK 0001728451 · Director · Vice Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By Jain Foundation Inc. (Non-Profit Corporation)

Disclosed balance after: 67,608

F1 · price: On September 28th, the non-profit corporation Jain Foundation, Inc. sold 39,700 shares of Class B Common Stock at an average price of $503.092592. Upon request by Berkshire Hathaway Inc., any security holder thereof, or the staff of the Securities and Exchange Commission, the Reporting Person can provide full information regarding the specific pricing of individual sales.

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September 03, 2026 Filed Sep 4, 2026 22:19 UTC
Jain AjitDirector · Vice Chairman
GiftClass B Common Stock 10 Not disclosed Not disclosed
Disclosure

SEC source: 0001728451-26-000003 · primary_doc.xml · nonDerivative · entry 1

Jain Ajit · CIK 0001728451 · Director · Vice Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 317

F1 · price: On September 3rd, the Reporting Person made charitable gifts totaling 10 shares of Class B Common stock.

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August 12, 2026 Filed Aug 13, 2026 21:00 UTC
Chang Charles CSee Remarks
PurchaseClass A Common Stock · Derivative 1 $765,184.18 $765,184.18
Disclosure

SEC source: 0001193125-26-349555 · ownership.xml · derivative · entry 2

Chang Charles C · CIK 0002139769 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By LLC

Disclosed balance after: 8

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

F1 · derivative.underlying: 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.

F1 · derivative.underlying_shares: 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.

F2 · ownership.nature: Shares held by a limited liability company controlled by the reporting person and the reporting person's spouse.

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August 12, 2026 Filed Aug 13, 2026 21:00 UTC
Chang Charles CSee Remarks
PurchaseClass A Common Stock · Derivative 1 $765,189.94 $765,189.94
Disclosure

SEC source: 0001193125-26-349555 · ownership.xml · derivative · entry 1

Chang Charles C · CIK 0002139769 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By LLC

Disclosed balance after: 7

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F1 · derivative.exercise_price: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

F1 · derivative.underlying: 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.

F1 · derivative.underlying_shares: 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.

F2 · ownership.nature: Shares held by a limited liability company controlled by the reporting person and the reporting person's spouse.

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August 12, 2026 Filed Aug 13, 2026 21:06 UTC PurchaseClass B Common Stock 43 $513.61 $22,085.23
Disclosure

SEC source: 0001193125-26-349574 · ownership.xml · nonDerivative · entry 3

O'Sullivan Michael J. · CIK 0001713777 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 1,151

F3 · price: The reported price in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $513.60 to $513.64 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F4 · ownership.nature: Shares held by a living trust of which the reporting person is trustee.

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August 12, 2026 Filed Aug 13, 2026 21:06 UTC PurchaseClass B Common Stock 400 $512.52 $205,008.00
Disclosure

SEC source: 0001193125-26-349574 · ownership.xml · nonDerivative · entry 2

O'Sullivan Michael J. · CIK 0001713777 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 1,108

F2 · price: The reported price in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $512.42 to $512.54 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F4 · ownership.nature: Shares held by a living trust of which the reporting person is trustee.

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August 12, 2026 Filed Aug 13, 2026 21:06 UTC PurchaseClass B Common Stock 45 $510.64 $22,978.80
Disclosure

SEC source: 0001193125-26-349574 · ownership.xml · nonDerivative · entry 1

O'Sullivan Michael J. · CIK 0001713777 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 708

F1 · price: The reported price in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $510.58 to $510.68 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F4 · ownership.nature: Shares held by a living trust of which the reporting person is trustee.

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July 14, 2026 Filed Jul 15, 2026 20:32 UTC
BUFFETT WARREN EDirector · 10% owner
ConversionClass A Common Stock · Derivative 8,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-304843 · ownership.xml · derivative · entry 6

BUFFETT WARREN E · CIK 0000315090 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 188,290

Underlying: See Footnote · Not disclosed shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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, Mr. Buffett's holdings of shares of Class A Common Stock are reported in Table II.

F3 · price: Not applicable.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: 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, Mr. Buffett's holdings of shares of Class A Common Stock are reported in Table II.

F2 · derivative.underlying_shares: 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, Mr. Buffett's holdings of shares of Class A Common Stock are reported in Table II.

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July 14, 2026 Filed Jul 15, 2026 20:32 UTC
BUFFETT WARREN EDirector · 10% owner
GiftClass B Common Stock 1,000,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-304843 · ownership.xml · nonDerivative · entry 5

BUFFETT WARREN E · CIK 0000315090 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,162

F1 · shares: Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.

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July 14, 2026 Filed Jul 15, 2026 20:32 UTC
BUFFETT WARREN EDirector · 10% owner
GiftClass B Common Stock 1,000,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-304843 · ownership.xml · nonDerivative · entry 4

BUFFETT WARREN E · CIK 0000315090 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,001,162

F1 · shares: Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.

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July 14, 2026 Filed Jul 15, 2026 20:32 UTC
BUFFETT WARREN EDirector · 10% owner
GiftClass B Common Stock 1,000,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-304843 · ownership.xml · nonDerivative · entry 3

BUFFETT WARREN E · CIK 0000315090 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,001,162

F1 · shares: Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.

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July 14, 2026 Filed Jul 15, 2026 20:32 UTC
BUFFETT WARREN EDirector · 10% owner
GiftClass B Common Stock 9,000,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-304843 · ownership.xml · nonDerivative · entry 2

BUFFETT WARREN E · CIK 0000315090 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,001,162

F1 · shares: Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.

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July 14, 2026 Filed Jul 15, 2026 20:32 UTC
BUFFETT WARREN EDirector · 10% owner
ConversionClass B Common Stock 12,000,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-304843 · ownership.xml · nonDerivative · entry 1

BUFFETT WARREN E · CIK 0000315090 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,001,162

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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July 01, 2026 Filed Jul 2, 2026 18:33 UTC
Jain AjitDirector · Vice Chairman
GiftClass B Common Stock 3 Not disclosed Not disclosed
Disclosure

SEC source: 0001728451-26-000002 · primary_doc.xml · nonDerivative · entry 1

Jain Ajit · CIK 0001728451 · Director · Vice Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 327

F1 · price: On July 1st, the Reporting Person made charitable gifts totaling 3 shares of Class B Common Stock.

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May 22, 2026 Filed May 26, 2026 23:05 UTC
BUFFETT WARREN EDirector · 10% owner
GiftClass B Common Stock 160 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-239886 · ownership.xml · nonDerivative · entry 1

BUFFETT WARREN E · CIK 0000315090 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,162

F1 · shares: The reported transaction was a gift from Warren E. Buffett to a charitable organization.

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May 18, 2026 Filed May 20, 2026 20:05 UTC
BUFFETT WARREN EDirector · 10% owner
ConversionClass A Common Stock · Derivative 25 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-232543 · ownership.xml · derivative · entry 4

BUFFETT WARREN E · CIK 0000315090 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196,290

Underlying: See footnote · Not disclosed shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F3 · price: Not applicable.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

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May 18, 2026 Filed May 20, 2026 20:05 UTC
BUFFETT WARREN EDirector · 10% owner
GiftClass B Common Stock 18,646 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-232543 · ownership.xml · nonDerivative · entry 3

BUFFETT WARREN E · CIK 0000315090 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,322

F1 · shares: Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.

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May 18, 2026 Filed May 20, 2026 20:05 UTC
BUFFETT WARREN EDirector · 10% owner
GiftClass B Common Stock 18,646 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-232543 · ownership.xml · nonDerivative · entry 2

BUFFETT WARREN E · CIK 0000315090 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,968

F1 · shares: Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.

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May 18, 2026 Filed May 20, 2026 20:05 UTC
BUFFETT WARREN EDirector · 10% owner
ConversionClass B Common Stock 37,500 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-232543 · ownership.xml · nonDerivative · entry 1

BUFFETT WARREN E · CIK 0000315090 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,614

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 14, 2026 Filed May 18, 2026 22:17 UTC GiftClass B Common Stock 574 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-229218 · ownership.xml · nonDerivative · entry 1

GUYMAN CHARLOTTE · CIK 0001269365 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,888

F1 · shares: The reported transaction consists of gifts from Charlotte Guyman of 82 shares each of Class B common stock to seven individuals.

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May 06, 2026 Filed May 6, 2026 23:04 UTC PurchaseClass B Common Stock 53 $470.22 $24,921.66
Disclosure

SEC source: 0001193125-26-209661 · ownership.xml · nonDerivative · entry 2

O'Sullivan Michael J. · CIK 0001713777 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 663

F2 · ownership.nature: Shares held by a living trust of which the reporting person is trustee.

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May 06, 2026 Filed May 6, 2026 23:04 UTC PurchaseClass B Common Stock 483 $467.13 $225,623.79
Disclosure

SEC source: 0001193125-26-209661 · ownership.xml · nonDerivative · entry 1

O'Sullivan Michael J. · CIK 0001713777 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 610

F1 · price: The reported price in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $ 467.07 to $ 467.20 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: Shares held by a living trust of which the reporting person is trustee.

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March 27, 2026 Filed Mar 28, 2026 00:57 UTC
Jain AjitDirector · Vice Chairman
GiftClass B Common Stock 22 Not disclosed Not disclosed
Disclosure

SEC source: 0001728451-26-000001 · primary_doc.xml · nonDerivative · entry 1

Jain Ajit · CIK 0001728451 · Director · Vice Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 330

F1 · price: On March 27th, the Reporting Person made charitable gifts totaling 22 shares of Class B Common Stock.

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March 17, 2026 Filed Mar 19, 2026 22:03 UTC
BUFFETT WARREN EDirector · Chairman and CEO · 10% owner
GiftClass A Common Stock · Derivative 2 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-116315 · ownership.xml · derivative · entry 2

BUFFETT WARREN E · CIK 0000315090 · Director · Chairman and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196,315

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F1 · date: The reported transaction was a gift from Warren E. Buffett to a charitable organization.

F3 · price: Not applicable.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

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March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $733,300.00 $733,300.00
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 20

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 249

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

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March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $733,100.00 $733,100.00
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 19

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 248

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

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March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $732,500.00 $732,500.00
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 18

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 247

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

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March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 2 $732,000.00 $1,464,000.00
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 17

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 246

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

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March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $731,349.99 $731,349.99
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 16

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 244

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

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March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $730,707.01 $730,707.01
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 15

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 243

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $730,700.00 $730,700.00
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 14

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 242

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $730,145.00 $730,145.00
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 13

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 241

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $729,000.00 $729,000.00
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 12

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 240

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 2 $727,530.26 $1,455,060.52
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 11

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 239

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $727,453.25 $727,453.25
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 10

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 237

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 2 $727,185.00 $1,454,370.00
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 9

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 236

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $726,994.76 $726,994.76
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 8

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 234

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $726,407.57 $726,407.57
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 7

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 233

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $726,079.01 $726,079.01
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 6

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 232

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $725,999.99 $725,999.99
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 5

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 231

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $725,995.00 $725,995.00
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 4

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 230

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 12:25 UTC
Abel Gregory E.Director · See Remarks
PurchaseClass A Common Stock · Derivative 1 $725,210.19 $725,210.19
Disclosure

SEC source: 0001193125-26-092556 · ownership.xml · derivative · entry 3

Abel Gregory E. · CIK 0001646348 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Indirect · By Gregory E. Abel Revocable Trust

Disclosed balance after: 229

Underlying: See footnote · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

F1 · ownership.nature: By Gregory E. Abel Revocable Trust - Shares held of record by Gregory E. Abel, trustee of the Gregory E. Abel Revocable Trust, for the benefit of his family.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 21:18 UTC
BUFFETT WARREN EDirector · Chairman and CEO · 10% owner
ConversionClass A Common Stock · Derivative 1,800 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-25-277658 · ownership.xml · derivative · entry 6

BUFFETT WARREN E · CIK 0000315090 · Director · Chairman and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196,317

Underlying: See footnote · Not disclosed shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F3 · price: Not applicable.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying: 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.

F2 · derivative.underlying_shares: 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.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 21:18 UTC
BUFFETT WARREN EDirector · Chairman and CEO · 10% owner
GiftClass B Common Stock 400,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-25-277658 · ownership.xml · nonDerivative · entry 5

BUFFETT WARREN E · CIK 0000315090 · Director · Chairman and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,114

F1 · shares: Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 21:18 UTC
BUFFETT WARREN EDirector · Chairman and CEO · 10% owner
GiftClass B Common Stock 400,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-25-277658 · ownership.xml · nonDerivative · entry 4

BUFFETT WARREN E · CIK 0000315090 · Director · Chairman and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 401,114

F1 · shares: Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 21:18 UTC
BUFFETT WARREN EDirector · Chairman and CEO · 10% owner
GiftClass B Common Stock 400,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-25-277658 · ownership.xml · nonDerivative · entry 3

BUFFETT WARREN E · CIK 0000315090 · Director · Chairman and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 801,114

F1 · shares: Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 21:18 UTC
BUFFETT WARREN EDirector · Chairman and CEO · 10% owner
GiftClass B Common Stock 1,500,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-25-277658 · ownership.xml · nonDerivative · entry 2

BUFFETT WARREN E · CIK 0000315090 · Director · Chairman and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,201,114

F1 · shares: Each of these reported transactions was a gift from Warren E. Buffett to a charitable organization.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 21:18 UTC
BUFFETT WARREN EDirector · Chairman and CEO · 10% owner
ConversionClass B Common Stock 2,700,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-25-277658 · ownership.xml · nonDerivative · entry 1

BUFFETT WARREN E · CIK 0000315090 · Director · Chairman and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,701,114

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 03, 2025 Filed Nov 5, 2025 22:14 UTC ConversionClass A Common Stock · Derivative 1 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-25-267252 · ownership.xml · derivative · entry 3

GUYMAN CHARLOTTE · CIK 0001269365 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54

Underlying: Class B Common Stock · Not disclosed shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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.

F3 · price: Not applicable.

F3 · derivative.exercise_date: Not applicable.

F3 · derivative.expiration_date: Not applicable.

F2 · derivative.underlying_shares: 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.

Read SEC document
November 03, 2025 Filed Nov 5, 2025 22:14 UTC GiftClass B Common Stock 410 $0.00 $0.00
Disclosure

SEC source: 0001193125-25-267252 · ownership.xml · nonDerivative · entry 2

GUYMAN CHARLOTTE · CIK 0001269365 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,462

F1 · shares: The reported transaction consists of gifts from Charlotte Guyman of 82 shares each of Class B common Stock to five charitable organizations.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.