2026-04-03T08:15:39-04:00 2025-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2025-01-01 260639042 Lesch - Percy Foundation % Foundation Source LESC 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 David P Lesch President 8008391754 2026-03-09 true Jeffrey D Haskell P01345770 8008391754 2025 2025-03-06 01:10:19Z X 180335 X 0 X 24 24 2849 2849 43114 96161 43114 207 207 46194 46194 0 837 837 271 6824 12 6812 7932 849 6812 40500 40500 48432 849 47312 -2238 45345 0 5979 2235 2235 85756 87262 167502 10244 10244 10598 101979 99741 180335 0 0 X 101979 99741 101979 99741 101979 99741 101979 -2238 99741 99741 Publicly-traded Securities 96161 53047 43114 43114 43114 630 630 630 200 0 200 X 0 430 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 David P Lesch Foundation Source 501 Silverside Rd Wilmington DE 198091377 Pres, Dir, Sec 1.0 0 0 0 182652 5824 0 188476 0 188476 2827 185649 9282 9282 630 630 8652 8652 8652 47312 0 0 0 0 47312 8652 2917 3964 19084 7376 5366 38707 47312 8652 38660 77367 0 2917 74450 3964 19084 7376 5366 38660 NONE X BRONX COMMUNITY CABLE PROGRAMMING CORPORATION 250 BEDFORD PARK BLVD W C4 BRONX NY 10468 N/A PC General & Unrestricted 10000 CITIZENS COMMITTEE FOR NEW YORK CITY INC 30 E 125TH ST 189 NEW YORK NY 10035 N/A PC General & Unrestricted 10000 CONGREGATION EMANU-EL OF THE CITY OF NEW YORK 1 E 65TH ST NEW YORK NY 10065 N/A PC General & Unrestricted 4000 NEW YORK JUNIOR TENNIS LEAGUE INC 3636 33RD ST STE 504 LONG IS CITY NY 11106 N/A PC General & Unrestricted 2500 RIVERDALE COUNTRY SCHOOL INC 5250 FIELDSTON RD BRONX NY 10471 N/A PC General & Unrestricted 5000 THE YOUNG MENS AND YOUNG WOMENS HEBREW ASSOCIATION 1395 LEXINGTON AVE NEW YORK NY 10128 N/A PC General & Unrestricted 9000 40500 14 24 14 2849 18 43114 CLASS ACTION LAWSUIT PROCEEDS 01 207 46194 46194 false false false false false false false false false false WAL-MART STORES - 5.250% - 09/ 10244 10598 ALPHABET INC CL A 14616 21910 APPLE INC 4386 27186 FRANKLIN UTILITIES FUND ADVISO 4294 4849 ISHARES US AEROSPACE AND DEFEN 12434 13955 MICROSOFT CORP 4807 31435 PALO ALTO NETWORKS INC 14029 13815 PROCTER GAMBLE CO 8348 14331 SPDR S&P 500 ETF TRUST 11855 27277 SPDR SER TR S&P CAP MKTS ETF 12493 12744 Administrative Fees 6746 6746 Bank Charges 12 12 Postage/Delivery Service 41 41 State or Local Filing Fees 25 25 Class Action Lawsuit Proceeds 207 207 Investment Management Services 837 837 990-PF Estimated Tax for 2025 200 990-PF EXTENSION FOR 2024 71