2025-11-07T07:45:09-06:00 2024-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2024-01-01 222777617 William & Karen Tell Foundation % Foundation Source WILL 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 0 President 8008391754 2025-11-06 true true Jeffrey D Haskell P01345770 8008391754 2024 2025-03-06 01:10:19Z X 5314857 X 0 X 9194 9194 79395 79395 219752 1873790 219752 308341 308341 109464 109464 15184 15184 43667 43667 4117 3317 173 173 27545 126 27419 200150 47110 152240 95715 95715 295865 47110 247955 12476 261231 0 158782 377840 377840 344066 131684 129867 2639809 2753955 4707624 206312 97966 99526 3348969 3361445 5314857 0 0 X 3348969 3361445 3348969 3361445 3348969 3361445 3348969 12476 3361445 3361445 Publicly-traded Securities 1873790 1654038 219752 219752 219752 3631 3631 3631 1019 0 2700 3719 X 0 88 88 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 true false false false false false false false false false false false false false false false false false Caroline Tell Falk Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Chair, VP 10.0 35138 0 0 Katie Falk Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Sec 10.0 17569 1244 0 Karen Tell Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Treas 1.0 0 0 0 Madeleine W Tell Foundation Source 501 Silverside Rd Wilmington DE 198091377 Sec, Dir 10.0 12834 4705 0 William F Tell Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Pres 30.0 43923 0 0 5079784 244792 0 5324576 0 5324576 79869 5244707 262235 262235 3631 3631 258604 258604 258604 247955 0 0 0 0 247955 258604 299268 115673 109828 524769 247955 247955 0 10649 10649 514120 0 288619 225501 115673 109828 Karen Tell X 4 PITS SAKE RESCUE 515 BURLINGTON RD SAINT PAUL MN 55119 N/A PC General 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