2025-08-13T09:13:20-05:00 2024-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2024-01-01 873860107 The Chasnoff Family Foundation % Foundation Source CHAS 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Michael Chasnoff President 8008391754 2025-08-08 true true Jeffrey D Haskell P01345770 8008391754 2024 2025-03-06 01:10:19Z X 497987 X 0 X 1344 1344 11080 11080 1198 14064 1198 2142 15764 13622 0 9200 9200 9200 0 9200 0 0 9200 0 9200 6564 13622 0 27889 31002 31002 426720 430171 466985 454609 461173 497987 0 0 X 454609 461173 454609 461173 454609 461173 454609 6564 461173 461173 Publicly-traded Securities 14064 12866 1198 1198 1198 189 189 189 200 0 200 11 11 false false false false false false false true true DE true false false false false true Foundation Source 8008391754 501 Silverside Road Suite 123 Wilmington DE 198091377 false false false false false false false false false false false false false false false false false false false false false Michael J Chasnoff Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Pres, Sec, Treas 1.0 0 0 0 452811 32737 0 485548 0 485548 7283 478265 23913 23913 189 189 23724 23724 23724 9200 0 0 0 0 9200 23724 7306 7306 9200 9200 0 7306 7306 7218 Michael J Chasnoff X 14 1344 14 11080 18 1198 Federal Tax Refund 01 2142 15764 15764 false false false false false false false false false false AVANTIS US SMALL CAP VALUE ETF 37269 45176 DFA DIMENSIONAL CORE FIXED INC 45395 46099 DFA DIMENSIONAL US LARGE CAP V 25984 30480 DFA EMERGING MARKETS CORE EQ P 34781 32540 DFA INTERNATIONAL VECTOR EQUIT 53556 52447 DIMENSIONAL EMERGING MARKETS C 1977 2095 ISHARES S&P 500 INDEX FD 85158 106551 VANGUARD FTSE DEVELOPED MARKET 54981 51646 VANGUARD GROWTH ETF 15055 20932 VANGUARD MID-CAP GROWTH ETF 29961 32734 VANGUARD ST BOND ETF 46054 46285 Administrative Fees 9175 9175 State or Local Filing Fees 25 25 Federal Tax Refund 2142