2024-04-18T09:13:15-05:00 2023-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2023-01-01 883709233 The Foster Family Foundation % Foundation Source FOST 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 JUSTIN FOSTER PRESIDENT 8008391754 2024-04-09 true JUSTIN FOSTER 999009999 true Jeffrey D Haskell P01345770 8008391754 2023 2023-04-26 12:10:37Z X 3204519 X 1000000 47587 47587 28798 28798 -21674 323848 0 1054711 76385 0 16481 16481 917 9 11712 11712 29110 16490 11712 0 0 29110 16490 11712 1025601 59895 2011257 1267514 1267514 1769344 1937005 2011257 3036858 3204519 0 0 X 2011257 3036858 2011257 3036858 2011257 3036858 2011257 1025601 3036858 3036858 Publicly-traded Securities 323848 345522 -21674 -21674 -21674 833 833 833 800 0 800 X 0 33 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 Corinne Foster Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 1.0 0 0 0 Justin Foster Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Pres, Sec, Treas 1.0 0 0 0 1078613 1182518 0 2261131 0 2261131 33917 2227214 111361 111361 833 833 110528 110528 110528 11712 0 0 0 0 11712 110528 5062 2021 2020 2019 11712 5062 6650 0 0 103878 0 0 NONE X 14 47587 14 28798 18 -21674 54711 54711 false false false false false false false false false false X X 1 The Foster Family Trust UAD 04141 Dr Justin Foster 250 Somerset St Belmont MA 02478 1000000 X ABR 75/25 VOLATILITY INSTITUTI 31700 34845 ALPHABET INC CL A 38363 44002 AMAZON COM 45175 53179 APPLE INC 46933 52946 BOOZ ALLEN HAMILTON HOLDING CO 34650 42850 EXXON MOBIL CORP 66084 60488 FEDERAL SIGNAL CORP 11340 16499 FIRST TRUST SENIOR LOAN FUND 59231 59891 FOMENTO ECONOMICO MEXICANO 58818 71041 GLOBAL X FTSE GREECE 20 14740 15376 INNOVATOR ETFS TR PREM INCOME 14801 14829 INNOVATOR ETFS TR PREM INCOME 14781 14741 INVESCO BULLETSHARES 2025 CORP 29684 29890 INVESCO BULLETSHARES 2030 CORP 59658 62279 INVESCO BULLETSHARES HIGH YIEL 29668 30069 IRON MOUNTAIN 29470 35410 ISHARES MSCI-MEXICO 31585 35282 ISHARES SHORT MATURITY BOND ET 60508 61634 JABIL CIRCUIT INC 51754 70070 JP MORGAN ULTRA SHORT INCOME E 121968 122108 JPMORGAN EQUITY PREMIUM INCO 29878 29964 KBR INC 46780 44328 META PLATFORMS INC 50182 58403 MICROSOFT CORP 42578 54526 MODERNA, INC 50713 58278 MONOLITHIC POWER SYSTEMS, INC 33361 44155 MURPHY USA INC 48752 49918 NORTHEAST UTIL 30898 37010 NORTHERN LTS FD TR SIERRA TATI 90192 89485 NVIDIA CORP 14705 23275 O'REILLY AUTOMOTIVE INC 41808 41804 OLD DOMINION FREIGHT LINE 35579 38506 REGENERON PHARMACEUTICALS INC 43207 45671 SIERRA STRATEGIC INCOME FUND C 120249 117868 SPDR SER TR BARCLAYS CAP CONV 29999 31385 STERLING CONSTRUCTION COMPANY 48199 67266 UBS AG 30960 39089 VERIZON COMMUNICATIONS 66231 68350 VISA INC 64162 70295 Administrative Fees 11687 11687 State or Local Filing Fees 25 25 Investment Management Services 16481 16481 990-PF Estimated Tax for 2023 800 990-PF Excise Tax for 2022 108 Foreign Tax Paid 9 9