Every officer and director reconciles for this period.
David Maughan: minor difference of 167 shares. Difference is under 0.5% of holdings.
Inferred rename: "PTG GRAT 12" is treated as the same holder as "GRAT", because the old name was never reported again and the new one opened with the same balance (61,930 shares). Old name, new name
Inferred rename: "John M. Nehra Jr., Trustee, John Nehra Revocable Trust UAD 09/23/09" is treated as the same holder as "John Nehra Revocable Trust UAD 9/23/2009", because the old name was never reported again and the new one opened with the same balance (81,595 shares). Old name, new name
Inferred rename: "Javier Rodriguez & Jodi L. Rodriguez JT Ten" is treated as the same holder as "Trust", because the old name was never reported again and the new one opened with the same balance (118,810 shares). Old name, new name
Inferred rename: "Trust" is treated as the same holder as "Zumwalt 2000 Family Trust", because the old name was never reported again and the new one opened with the same balance (807 shares). Old name, new name
Inferred rename: "following subsidiaries of Berkshire Hathaway Inc" is treated as the same holder as "Government Employees Insurance Company", because the old name was never reported again and the new one opened with the same balance (36,095,570 shares). Old name, new name
Inferred rename: "certain subsidiaries and subsidiary benefit plans of Berkshire Hathaway Inc" is treated as the same holder as "Berkshire, Berkshire's subsidiaries and its subsidiary pension plans", because the old name was never reported again and the new one opened with the same balance (29,947,812 shares). Old name, new name
Inferred rename: "Rita E. Weschler Trust" is treated as the same holder as "certain relatives of the reporting person, but", because the old name was never reported again and the new one opened with the same balance (50,000 shares). Old name, new name
Inferred typo: the share class "CommonStock" is treated as the same class as "Common Stock" on 1 holding line, because the two spellings are nearly identical and each balance carried over exactly. Example (William Roper, 21,048 shares): old title, new title
Inferred typo: the share class "Common Stoack" is treated as the same class as "Common Stock" on 1 holding line, because the two spellings are nearly identical and each balance carried over exactly. Example (Laura Mildenberger, 6,736 shares): old title, new title
External context: we only cite outside events when a documented connection exists. None is shown for this period.