2025-10-09T16:06:52-05:00 2024-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2024-01-01 841979492 Platt Family Foundation Inc % Foundation Source PLAT 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Ira Platt President 8008391754 2025-10-02 true true Jeffrey D Haskell P01345770 8008391754 2024 2025-03-06 01:10:19Z X 3020908 X 427313 1452 1452 84016 84016 -293462 1521815 0 -8080 777 211239 86245 0 1600 26774 7377 17424 28374 7377 17424 278500 278500 306874 7377 295924 -95635 78868 0 169576 60627 60627 2144991 2204132 2322031 463109 417282 638250 2777676 2682041 3020908 0 0 X 2777676 2682041 2777676 2682041 2777676 2682041 2777676 -95635 2682041 2682041 Publicly-traded Securities 1521815 1815503 -293688 -293688 Passthrough K1 Capital Gain/(Loss) 226 -293462 1096 1096 1096 1527 0 1527 X 0 431 431 false false false false false false false true true UT true false true false false true Foundation Source 8008391754 501 Silverside Road Suite 123 Wilmington DE 198091377 true CA false false false false false false false false false false false false false false false false false false false false Ben Platt Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Treas 1.0 0 0 0 Georgiana Platt Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 1.0 0 0 0 Ira Platt Foundation Source 501 Silverside Rd Wilmington DE 198091377 Pres, Dir 1.0 0 0 0 Jeremy Platt Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Sec 1.0 0 0 0 2373387 79538 231716 2684641 0 2684641 40270 2644371 132219 132219 1096 1096 131123 131123 131123 295924 0 0 0 0 295924 131123 38329 10317 48646 295924 131123 164801 213447 0 213447 38329 10317 164801 Georgiana Platt Ira Platt X A BETTER CHANCE OF WESTPORT INC 134 N AVE WESTPORT CT 06880 N/A PC General & Unrestricted 500 AMERICAN SOCIETY FOR THE PREVENTION OF CRUELTY TO 424 E 92ND ST NEW YORK NY 10128 N/A PC General & Unrestricted 500 CHRIST & HOLY TRINITY CHURCH 55 MYRTLE AVE WESTPORT CT 06880 N/A PC General & Unrestricted 6000 CIRCLE OF CARE FOR FAMILIES WITH CANCER 144 DANBURY RD WILTON CT 06897 N/A PC Charitable Event 3500 DUKE UNIVERSITY BOX 90581 DURHAM NC 27708 N/A PC General & Unrestricted 2500 FAIRFIELD THEATRE COMPANY INC 70 SANFORD ST FAIRFIELD CT 06824 N/A PC New chapter in FTC lore 10000 FJC 225 W 39TH ST 12TH FL NEW YORK NY 10018 N/A PC Forest-Pfeiffer Kidney Match Fund 15000 FOXG1 RESEARCH INC 1 LUCKENBACH LN SANDS POINT NY 11050 N/A PC General & Unrestricted 2000 FRIENDS OF THE ISRAEL DEFENSE FORCES PO BOX 4224 NEW YORK NY 10163 N/A PC General & Unrestricted 15000 KID SMART 2533 COLUMBUS ST STE 201 NEW ORLEANS LA 70119 N/A PC General & Unrestricted 1500 LEAVING A POSITIVE LEGACY INC 2020 NE 35TH ST LIGHTHOUSE PT FL 33064 N/A PC General & Unrestricted 7500 LIVE LIKE SAM FOUNDATION 6300 N SAGEWOOD DR H665 PARK CITY UT 84098 N/A PC General & Unrestricted 3000 MOUNTAIN TOWN STAGES PO BOX 680896 PARK CITY UT 84068 N/A PC General & Unrestricted 5000 NATIONAL ABILITY CENTER 1000 ABILITY WAY PARK CITY UT 84060 N/A PC General & Unrestricted 7500 PEGGY LILLIS FOUNDATION 415 AVE C 4D BROOKLYN NY 11218 N/A PC General & Unrestricted 5000 PRESERVATION HALL FOUNDATION INC 726 SAINT PETER ST NEW ORLEANS LA 70116 N/A PC General & Unrestricted 7500 SON OF A SAINT PO BOX 19205 NEW ORLEANS LA 70119 N/A PC Charitable Event 25000 SONG SUMMIT FOUNDATION INC PO BOX 982733 PARK CITY UT 84098 N/A PC General & Unrestricted 25000 THE ADMINISTRATORS OF THE TULANE EDUCATIONAL FUND PO BOX 669394 DALLAS TX 75266 N/A PC Platt Family Scholarship Fund 20000 THE CARVER INC 7 ACADEMY ST NORWALK CT 06850 N/A PC General & Unrestricted 1000 THE DIVIDED SKY FOUNDATION CORPORATION 262 FOX LN LUDLOW VT 05149 N/A PC General & Unrestricted 10000 THE LOUISIANA MUSIC AND HERITAGE EXPERIENCE INC 330 CARONDELET ST NEW ORLEANS LA 70130 N/A PC General & Unrestricted 100000 THE V FOUNDATION 14600 WESTON PKWY CARY NC 27513 N/A PC Charitable Event 5000 WILDLIFE IN CRISIS INC PO BOX 1246 WESTON CT 06883 N/A PC General & Unrestricted 500 278500 14 1452 14 84016 18 -293462 K-1 Inc/Loss 525990 -8857 14 777 -8857 -207217 -216074 false false false false false false false false false false X X 1 Ira J Platt Revocable Trust PO Box 2519 224 Woodside Ave Park City UT 84060 427313 X 1 GEO GROUP INC GEO, 15000 sh. 427313 2024-11-27 990-PF 990-PF ONE OR MORE PARTNERSHIPS HAVE PROVIDED A SCHEDULE K-3 FOR THE TAX YEAR IN WHICH THEY HAVE CHECKED ONE OR MORE OF THE BOXES IN PART I BUT NOT PROVIDED SUFFICIENT BACK-UP INFORMATION TO ALLOW THE FOUNDATION TO VERIFY WHY SUCH BOXES WERE CHECKED OR THE EXTENT TO WHICH THE CHECKING OF SUCH BOXES AFFECTS ANY ITEM ON THIS RETURN. THE FOUNDATION HAS PREPARED THIS RETURN TO THE BEST OF ITS ABILITY AND WITHOUT ANY FOREIGN FILINGS FOR SUCH PARTNERSHIPS BASED ON THE INFORMATION PROVIDED TO IT BY THESE PARTNERSHIPS AND ON THE BASIS OF HAVING RECEIVED NO INFORMATION TO THE CONTRARY. ANY MISSING OR INCOMPLETE INFORMATION IS DUE TO THE FOUNDATION'S INABILITY TO OBTAIN SUCH INFORMATION AND IS NOT A WILLFUL ATTEMPT TO WITHHOLD SUCH INFORMATION. ALPHABET INC CL C 134015 190440 CANOPY GROWTH CORP 321940 2101 CION INV CORPORATION 168611 171000 FEDERAL REALTY INVESTMENT TRUS 107170 123284 GEO GROUP INC 427313 419700 GOLDMAN SACHS TREASURYACCESS 0 100092 99920 LIMBACH HOLDINGS 181486 342160 MICROSOFT CORP 245205 434977 PERMA-FIX ENVIRONMENTAL SERVIC 78153 83678 TRANSMEDICS GROUP INC 89220 93525 UBER 91244 90480 VICI PROPERTIES INC 150682 157406 WHITESTONE REIT 109001 113360 AMBERSTONE VENTURES FD 1 LP 157310 231716 ENERGY TRANSFER LP 90374 156720 MPLX LP 86231 138794 PLAINS ALL AMERICAN PIPELINE L 83367 111020 Administrative Fees 17424 17424 K-1 Exp AMBERSTONE VENTURES FD 5406 5406 K-1 Exp ENERGY TRANSFER LP 1523 174 K-1 Exp MPLX LP 19 K-1 Exp PLAINS ALL AMERICAN PI 2402 1797 K-1 Inc/Loss AMBERSTONE VENTURES FD 1 LP 60 60 K-1 Inc/Loss ENERGY TRANSFER LP -748 946 K-1 Inc/Loss MPLX LP -3664 1 K-1 Inc/Loss PLAINS ALL AMERICAN PIPELINE LP -3728 -230 Ira J Platt Revocable Trust PO Box 2519 224 Woodside Ave Park City UT 84060 990-PF Estimated Tax for 2024 1400 990-PF Extension for 2023 200