VRSN

SEC source: 0000950170-24-141263 · ownership.xml · nonDerivative · entry 9

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,248,365

F10 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $202.7300 to $203.7100. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 10 to this Form 4.

F2 · ownership.nature: 7,996,889 of the total reported securities are owned as of December 30, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,996,889). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 30, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-141263 · ownership.xml · nonDerivative · entry 8

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,243,365

F9 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $206.0000 to $206.1100. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 9 to this Form 4.

F2 · ownership.nature: 7,996,889 of the total reported securities are owned as of December 30, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,996,889). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 30, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-141263 · ownership.xml · nonDerivative · entry 7

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,243,060

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $204.9800 to $205.9250. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 8 to this Form 4.

F2 · ownership.nature: 7,996,889 of the total reported securities are owned as of December 30, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,996,889). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 30, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-141263 · ownership.xml · nonDerivative · entry 6

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,240,562

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $203.9800 to $204.9700. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 7 to this Form 4.

F2 · ownership.nature: 7,996,889 of the total reported securities are owned as of December 30, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,996,889). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 30, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-141263 · ownership.xml · nonDerivative · entry 5

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,235,811

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $203.0100 to $203.9700. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 6 to this Form 4.

F2 · ownership.nature: 7,996,889 of the total reported securities are owned as of December 30, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,996,889). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 30, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-141263 · ownership.xml · nonDerivative · entry 4

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,217,879

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $201.9800 to $202.9600. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 5 to this Form 4.

F2 · ownership.nature: 7,996,889 of the total reported securities are owned as of December 30, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,996,889). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 30, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-141263 · ownership.xml · nonDerivative · entry 3

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,211,260

F2 · ownership.nature: 7,996,889 of the total reported securities are owned as of December 30, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,996,889). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 30, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-141263 · ownership.xml · nonDerivative · entry 2

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,211,154

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $202.1200 to $203.0600. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 4 to this Form 4.

F2 · ownership.nature: 7,996,889 of the total reported securities are owned as of December 30, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,996,889). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 30, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-141263 · ownership.xml · nonDerivative · entry 1

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,200,094

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $201.1200 to $202.1150. The Reporting Persons undertake to provide Verisign, Inc. ("Verisign"), any security holder of Verisign, 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 footnote 1 to this Form 4.

F2 · ownership.nature: 7,996,889 of the total reported securities are owned as of December 30, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,996,889). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 30, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 14

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,193,349

F15 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $201.5700 to $201.6700. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 15 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 13

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,193,149

F14 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $200.5400 to $201.5300. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 14 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 12

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,181,666

F13 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $199.5400 to $200.5300. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 13 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 11

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,178,428

F12 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $201.0100 to $201.2700. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 12 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 10

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,178,228

F11 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $199.8800 to $200.7800. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 11 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 9

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,163,767

F10 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $198.8400 to $199.8150. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 10 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 8

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,154,289

F9 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $197.8400 to $198.8350. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 9 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 7

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,143,762

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 6

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,143,662

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $199.9800 to $200.9300. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 8 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 5

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,140,503

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $198.9950 to $199.9700. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 7 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 4

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,130,913

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $197.9800 to $198.9750. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 6 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 3

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,057,524

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $196.9800 to $197.9650. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 5 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 2

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,056,445

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $196.7250 to $196.9400. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 4 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-140587 · ownership.xml · nonDerivative · entry 1

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,056,125

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $194.9800 to $195.0500. The Reporting Persons undertake to provide Verisign, Inc. ("Verisign"), any security holder of Verisign, 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 footnote 1 to this Form 4.

F2 · ownership.nature: 7,920,402 of the total reported securities are owned as of December 24, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,920,402). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,272,947 of the total reported securities are owned as of December 24, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (362,815), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-138717 · ownership.xml · nonDerivative · entry 12

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,049,925

F13 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $194.1250 to $194.4900. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 13 to this Form 4.

F2 · ownership.nature: 7,905,481 of the total reported securities are owned as of December 19, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,905,481). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,144,444 of the total reported securities are owned as of December 19, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (234,312), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-138717 · ownership.xml · nonDerivative · entry 11

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,048,028

F12 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $193.1200 to $194.1150. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 12 to this Form 4.

F2 · ownership.nature: 7,905,481 of the total reported securities are owned as of December 19, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,905,481). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,144,444 of the total reported securities are owned as of December 19, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (234,312), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-138717 · ownership.xml · nonDerivative · entry 10

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 12,992,661

F11 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $192.2100 to $193.1050. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 11 to this Form 4.

F2 · ownership.nature: 7,905,481 of the total reported securities are owned as of December 19, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,905,481). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,144,444 of the total reported securities are owned as of December 19, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (234,312), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-138717 · ownership.xml · nonDerivative · entry 9

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 12,983,725

F2 · ownership.nature: 7,905,481 of the total reported securities are owned as of December 19, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,905,481). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,144,444 of the total reported securities are owned as of December 19, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (234,312), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-138717 · ownership.xml · nonDerivative · entry 8

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 12,982,625

F10 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $195.2300 to $195.8600. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 10 to this Form 4.

F2 · ownership.nature: 7,905,481 of the total reported securities are owned as of December 19, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,905,481). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,144,444 of the total reported securities are owned as of December 19, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (234,312), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-138717 · ownership.xml · nonDerivative · entry 7

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 12,978,429

F9 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $194.2700 to $195.1900. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 9 to this Form 4.

F2 · ownership.nature: 7,905,481 of the total reported securities are owned as of December 19, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,905,481). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,144,444 of the total reported securities are owned as of December 19, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (234,312), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-138717 · ownership.xml · nonDerivative · entry 6

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 12,959,425

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $193.2300 to $194.2050. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 8 to this Form 4.

F2 · ownership.nature: 7,905,481 of the total reported securities are owned as of December 19, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,905,481). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,144,444 of the total reported securities are owned as of December 19, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (234,312), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-138717 · ownership.xml · nonDerivative · entry 5

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 12,954,701

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $192.2200 to $193.1900. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 7 to this Form 4.

F2 · ownership.nature: 7,905,481 of the total reported securities are owned as of December 19, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,905,481). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,144,444 of the total reported securities are owned as of December 19, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (234,312), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-138717 · ownership.xml · nonDerivative · entry 4

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 12,952,128

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $191.2200 to $192.2100. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 6 to this Form 4.

F2 · ownership.nature: 7,905,481 of the total reported securities are owned as of December 19, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,905,481). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,144,444 of the total reported securities are owned as of December 19, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (234,312), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-138717 · ownership.xml · nonDerivative · entry 3

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 12,898,625

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $195.8800 to $196.2300. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 5 to this Form 4.

F2 · ownership.nature: 7,905,481 of the total reported securities are owned as of December 19, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,905,481). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,144,444 of the total reported securities are owned as of December 19, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (234,312), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-138717 · ownership.xml · nonDerivative · entry 2

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 12,897,829

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $194.8900 to $195.8600. The Reporting Persons undertake to provide Verisign, any security holder of Verisign, 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 footnote 4 to this Form 4.

F2 · ownership.nature: 7,905,481 of the total reported securities are owned as of December 19, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,905,481). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,144,444 of the total reported securities are owned as of December 19, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (234,312), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0000950170-24-138717 · ownership.xml · nonDerivative · entry 1

BERKSHIRE HATHAWAY INC · CIK 0001067983 · 10% owner

BUFFETT WARREN E · CIK 0000315090 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 12,821,773

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $193.8800 to $194.8750. The Reporting Persons undertake to provide Verisign, Inc. ("Verisign"), any security holder of Verisign, 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 footnote 1 to this Form 4.

F2 · ownership.nature: 7,905,481 of the total reported securities are owned as of December 19, 2024 by the following subsidiary of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (7,905,481). As Berkshire is in the chain of ownership of the subsidiary, it may be deemed presently to both beneficially own and have a pecuniary interest in all shares presently directly owned by the subsidiary. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, the shares presently owned by the subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

F3 · ownership.nature: 5,144,444 of the total reported securities are owned as of December 19, 2024 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (1,015,032), Precision CastParts Corp Master Trust (234,312), Scott Fetzer Collective Investment Trust (95,100) and BNSF Master Retirement Trust (3,800,000). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

SEC source: 0001940987-24-000029 · wk-form4_1733266509.xml · nonDerivative · entry 1

McPherson Danny R · CIK 0001940987 · EVP - Technology & CSO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,157

F1 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $192.39 to $192.435, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001530819-24-000016 · wk-form4_1731972735.xml · nonDerivative · entry 3

CALYS JOHN · CIK 0001530819 · SVP, Cont., Chief Acct Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,992

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001530819-24-000016 · wk-form4_1731972735.xml · nonDerivative · entry 2

CALYS JOHN · CIK 0001530819 · SVP, Cont., Chief Acct Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,029

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001530819-24-000016 · wk-form4_1731972735.xml · nonDerivative · entry 1

CALYS JOHN · CIK 0001530819 · SVP, Cont., Chief Acct Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,064

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001940987-24-000027 · wk-form4_1731972637.xml · nonDerivative · entry 3

McPherson Danny R · CIK 0001940987 · EVP - Technology & CSO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,249

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001940987-24-000027 · wk-form4_1731972637.xml · nonDerivative · entry 2

McPherson Danny R · CIK 0001940987 · EVP - Technology & CSO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,460

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001940987-24-000027 · wk-form4_1731972637.xml · nonDerivative · entry 1

McPherson Danny R · CIK 0001940987 · EVP - Technology & CSO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,618

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001624651-24-000030 · wk-form4_1731972506.xml · nonDerivative · entry 3

Indelicarto Thomas C · CIK 0001624651 · EVP, Gen Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,097

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001624651-24-000030 · wk-form4_1731972506.xml · nonDerivative · entry 2

Indelicarto Thomas C · CIK 0001624651 · EVP, Gen Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,308

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001624651-24-000030 · wk-form4_1731972506.xml · nonDerivative · entry 1

Indelicarto Thomas C · CIK 0001624651 · EVP, Gen Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,466

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001397763-24-000010 · wk-form4_1731972395.xml · nonDerivative · entry 3

Kilguss George E III · CIK 0001397763 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,126

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001397763-24-000010 · wk-form4_1731972395.xml · nonDerivative · entry 2

Kilguss George E III · CIK 0001397763 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,337

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001397763-24-000010 · wk-form4_1731972395.xml · nonDerivative · entry 1

Kilguss George E III · CIK 0001397763 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,521

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001204816-24-000014 · wk-form4_1731972263.xml · nonDerivative · entry 3

BIDZOS D JAMES · CIK 0001204816 · Director · Exec. Chairman, Pres, & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 528,321

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.

SEC source: 0001204816-24-000014 · wk-form4_1731972263.xml · nonDerivative · entry 2

BIDZOS D JAMES · CIK 0001204816 · Director · Exec. Chairman, Pres, & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 528,783

F1 · kind: Disposition of shares exempt under Rule 16b-3 as payment of tax liability to Company by delivery or withholding securities incident to vesting of restricted stock units.