2026-05-01T11:04:29-05:00 2025-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2025-01-01 873860107 The Chasnoff Family Foundation % Foundation Source CHAS 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Michael J Chasnoff President 8008391754 2026-03-24 true Jeffrey D Haskell P01345770 8008391754 2025 2025-03-06 01:10:19Z X 560326 X 0 X 1065 1065 12130 12130 4643 42545 4643 17838 17838 0 9506 9506 9506 0 9506 15000 15000 24506 0 24506 -6668 17838 0 31002 36805 36805 430171 417700 523521 461173 454505 560326 0 0 X 461173 454505 461173 454505 461173 454505 461173 -6668 454505 454505 Publicly-traded Securities 42545 37902 4643 4643 4643 248 248 248 11 0 11 237 0 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 499210 33347 0 532557 0 532557 7988 524569 26228 26228 248 248 25980 25980 25980 24506 0 0 0 0 24506 25980 7218 24506 7218 17288 0 0 8692 0 0 Michael J Chasnoff X CINCINNATI WORKS INC 708 WALNUT ST STE 200 CINCINNATI OH 45202 N/A PC General & Unrestricted 15000 15000 14 1065 14 12130 18 4643 17838 17838 false false false false false false false false false false AVANTIS US SMALL CAP VALUE ETF 41676 52520 DFA DIMENSIONAL CORE FIXED INC 49063 51200 DFA DIMENSIONAL US LARGE CAP V 28986 38007 DFA EMERGING MARKETS CORE EQ P 34781 40647 DFA INTERNATIONAL VECTOR EQUIT 47416 62089 DIMENSIONAL EMERGING MARKETS C 1977 2646 ISHARES S&P 500 INDEX FD 86583 125344 VANGUARD FTSE DEVELOPED MARKET 33213 40918 VANGUARD GROWTH ETF 13506 22442 VANGUARD MID-CAP GROWTH ETF 29961 36009 VANGUARD ST BOND ETF 50538 51699 Administrative Fees 9481 9481 State or Local Filing Fees 25 25