2026-04-03T08:15:32-04:00 2025-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2025-01-01 205632137 The Rice Family Charitable Foundation % Foundation Source RICE 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 William P Rice President 8008391754 2026-03-18 true Jeffrey D Haskell P01345770 8008391754 2025 2025-03-06 01:10:19Z X 2316504 X 0 X 1648 1648 63894 63894 24476 335436 24476 90018 90018 0 2223 488 12666 115 12551 14889 603 12551 87000 87000 101889 603 99551 -11871 89415 0 37859 36358 36358 1529269 1518899 2280146 1567128 1555257 2316504 0 0 X 1567128 1555257 1567128 1555257 1567128 1555257 1567128 -11871 1555257 1555257 Publicly-traded Securities 335436 310960 24476 24476 24476 1243 1243 1243 1100 0 1100 X 0 143 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 Lynn L Rice Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 Paige S Rice Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 William P Rice Foundation Source 501 Silverside Rd Wilmington DE 198091377 Pres, Dir, Sec 1.0 0 0 0 William P Rice Jr Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 2243244 44795 0 2288039 0 2288039 34321 2253718 112686 112686 1243 1243 111443 111443 111443 99551 0 0 0 0 99551 111443 99500 99551 99500 51 0 0 111392 0 0 Lynn L Rice William P Rice X ACADEMY AT OCEAN REEF INC 395 S HARBOR DR KEY LARGO FL 33037 N/A PC General & Unrestricted 4000 ALDEN KINDRED OF AMERICA INC PO BOX 2754 DUXBURY MA 02331 N/A PC Alden Building Campaign 2500 COLONIAL WILLIAMSBURG FOUNDATION 301 1ST ST WILLIAMSBURG VA 23185 N/A PC General & Unrestricted 1000 CROSSROADS FOR KIDS INC 119 MYRTLE ST DUXBURY MA 02332 N/A PC General & Unrestricted 8000 CURE ALZHEIMER'S FUND 34 WASHINGTON ST SUITE 230 WELLESLEY HILLS MA 02481 N/A PC General & Unrestricted 2000 DANA FARBER CANCER INSTITUTE INC PO BOX 849168 BOSTON MA 02284 N/A PC General & Unrestricted 1000 DUXBURY BAY MARITIME SCHOOL INC 457 WASHINGTON ST DUXBURY MA 02332 N/A PC General & Unrestricted 7500 DUXBURY BEACH RESERVATION INC PO BOX 2593 DUXBURY MA 02331 N/A PC General & Unrestricted 3500 DUXBURY RURAL AND HISTORICAL SOCIETY INC PO BOX 2865 DUXBURY MA 02331 N/A PC General & Unrestricted 2000 DYC HISTORICAL PRESERVATION FOUNDATION INC 489 WASHINGTON ST DUXBURY MA 02332 N/A PC General & Unrestricted 5000 FISHER HOUSE FOUNDATION INC 12300 TWINBROOK PKWY STE 410 ROCKVILLE MD 20852 N/A PC General & Unrestricted 1000 FRIENDS OF DANA-FARBER CANCER INSTITUTE 450 BROOKLINE AVE - 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