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The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
BERKSHIRE HATHAWAY INC DEL CL A 084670108 36,440,000 50 SH DFND 2 50 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 273,268,456 562,547 SH DFND 2 562,547 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 10,465,915 21,545 SH OTR 21,545 0 0
DIMENSIONAL ETF TRUST INTL CORE EQT MK 25434V203 436,965 12,640 SH OTR 12,640 0 0
ISHARES TR CORE S&P MCP ETF 464287507 86,828,000 1,400,000 SH DFND 2 1,400,000 0 0
ISHARES TR CORE S&P SCP ETF 464287804 49,726,950 455,000 SH DFND 2 455,000 0 0
ISHARES TR CORE S&P MCP ETF 464287507 26,978,700 435,000 SH DFND 1 435,000 0 0
ISHARES TR CORE S&P SCP ETF 464287804 14,754,150 135,000 SH DFND 1 135,000 0 0
ISHARES TR CORE S&P MCP ETF 464287507 2,099,129 33,846 SH OTR 33,846 0 0
ISHARES TR CORE S&P SCP ETF 464287804 1,010,277 9,244 SH OTR 9,244 0 0
VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 267,542,130 471,000 SH DFND 2 471,000 0 0
VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 84,068,440 148,000 SH DFND 1 148,000 0 0
VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 7,283,849 12,823 SH OTR 12,823 0 0