The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
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
Estimated average burden
hours per response: 23.8

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 FIGI (to the nearest dollar) 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