2026-05-14T18:51:59-05:00 2025-06-30 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2024-07-01 276641409 The Sarah Min and Matt Pincus Foundation % Foundation Source WOOD 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 SARAH MIN TRUSTEE 8008391754 2026-05-14 true true Jeffrey D Haskell P01345770 8008391754 2024 2025-03-06 01:10:19Z X 60397817 X 0 X 83361 83361 753088 753088 1259283 1963885 1230132 741229 738633 2836961 2805214 0 4905 0 0 4905 6509 6509 10587 10587 37196 1519 372996 285964 80703 432193 304579 0 85608 2398334 2398334 2830527 304579 0 2483942 6434 2500635 0 5755076 3567039 3567039 23548479 23548479 29244193 13912050 16106521 27586585 43215605 43222039 60397817 0 0 X 43215605 43222039 43215605 43222039 43215605 43222039 43215605 6434 43222039 43222039 Publicly-traded Securities 37017 0 37017 37017 Passthrough K1 Capital Gain/(Loss) 300087 JEN 6 FEEDER LP P 2018-12-14 2025-04-01 1061435 774578 286857 286857 WARBURG PINCUS JOVIAN FS (CAYMAN), L.P P 2024-12-17 2024-12-31 117520 60200 57320 57320 WARBURG PINCUS JOVIAN FS, LP P 2024-12-18 2024-12-19 104959 50876 54083 54083 WARBURG PINCUS JOVIAN GG, LP P 2024-12-17 2024-12-19 487694 253925 233769 233769 WPGG JOVIAN CALISTO (CAYMAN-A), LP P 2025-01-27 2025-01-28 78593 80151 -1558 -1558 WPGG JOVIAN CALISTO (CAYMAN-A), LP P 2024-12-30 2024-12-31 76667 76760 -93 -93 DISTRIBUTION IN EXCESS OF BASIS 262650 1230132 34759 34759 34759 30569 0 30569 X 112 4302 false false false false false true true false true true NY 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 Sarah Min Foundation Source 501 Silverside Rd Wilmington DE 198091377 Trustee 1.0 0 0 0 Matthew Pincus Foundation Source 501 Silverside Rd Wilmington DE 198091377 Trustee 1.0 0 0 0 Foundation Source 55 Walls Drive suite 302 Fairfield CT 06824 Administrative 79203 28061239 3278002 27210896 58550137 0 58550137 878252 57671885 2883594 2883594 34759 1206 35965 2847629 2847629 2847629 2483942 0 0 0 0 2483942 2847629 2072632 2483942 2072632 411310 0 0 2436319 0 0 Matthew Pincus Sarah Min X CORNELL UNIVERSITY PO BOX 22497 NEW YORK NY 10087 N/A PC General & Unrestricted 650000 CORNELL UNIVERSITY PO BOX 37334 BOONE IA 50037 N/A PC General & Unrestricted 100000 ELDER ABUSE SOLUTIONS INC 276 5TH AVE RM 704 NEW YORK NY 10001 N/A PC General & Unrestricted 25000 FRIENDS OF THE HIGH LINE INC 820 WASHINGTON ST NEW YORK NY 10014 N/A PC General & Unrestricted 791667 FUND FOR THE GUGGENHEIM FELLOWSHIPS 90 PARK AVE 33RD FLOOR NEW YORK NY 10016 N/A PC Fellowship in either Fiction, General Nonfiction, or Biography for a woman or a person of color 70000 KOREAN-AMERICAN COMMUNITY FOUNDATION INC 135 E 64TH ST NEW YORK NY 10065 N/A PC General & Unrestricted 70000 LEE INITIATIVE INC 610 W MAGNOLIA AVE LOUISVILLE KY 40208 N/A PC General & Unrestricted 100000 MEMORIAL SLOAN-KETTERING CANCER CENTER The Societ PO BOX 27106 NEW YORK NY 10087 N/A PC Immunotherapy research for pancreas cancer and the MERIT program 166667 NEW YORK-PRESBYTERIAN FUND INC PO BOX 25667 NEW YORK NY 10087 N/A PC General & Unrestricted 225000 SURFRIDER FOUNDATION PO BOX 73550 SAN CLEMENTE CA 92673 N/A PC General & Unrestricted 200000 2398334 14 83361 14 753088 525990 29151 18 1230132 K-1 Inc/Loss 525990 2596 14 460713 INCOME FROM WARBURG PINCUS GG EUROPA 01 277920 31747 2805214 2836961 false false false false false false false false false false PART I LINE 6A (990-PF) PART I LINE 6A (990-PF) RECONCILIATION OF NET GAIN/(LOSS) FROM SALES OF ASSETS NOT INCLUDED IN PART IV TOTAL INCLUDED IN PART IV: (DETAILS BELOW) NET GAIN/(LOSS): $1,230,132 TOTAL NOT INCLUDED IN PART IV: PASSTHROUGH K-1 CAPITAL GAIN/(LOSS) - UBI NET GAIN/(LOSS): $29,151 TOTAL PART I, LINE 6A: $1,259,283 DETAILS OF ASSETS INCLUDED IN PART IV: PUBLICLY-TRAIDED SECURITIES GROSS SALES PRICE: $37,017 BOOK BASIS: $- NET GAIN/(LOSS): $37,017 PASSTHROUGH K-1 CAPITAL GAIN/(LOSS) - NON UBI NET GAIN/(LOSS): $300,087 JEN 6 FEEDER LP GROSS SALES PRICE: $1,061,435 BOOK BASIS: $774,578 NET GAIN/(LOSS): $286,857 WARBURG PINCUS JOVIAN FS (CAYMAN), L.P GROSS SALES PRICE: $117,520 BOOK BASIS: $60,200 NET GAIN/(LOSS): $57,320 WARBURG PINCUS JOVIAN FS, LP GROSS SALES PRICE: $104,959 BOOK BASIS: $50,876 NET GAIN/(LOSS): $54,083 WARBURG PINCUS JOVIAN GG, LP GROSS SALES PRICE: $487,694 BOOK BASIS: $253,925 NET GAIN/(LOSS): $233,769 WPGG JOVIAN CALISTO (CAYMAN-A), LP GROSS SALES PRICE: $78,593 BOOK BASIS: $80,151 NET GAIN/(LOSS): $(1,558) WPGG JOVIAN CALISTO (CAYMAN-A), LP GROSS SALES PRICE: $76,667 BOOK BASIS: $76,760 NET GAIN/(LOSS): $(93) DISTRIBUTIONS IN EXCESS OF BASIS NET GAIN/(LOSS): $262,650 FORM 8621 DISCLOSURE FORM 8621 DISCLOSURE THE FOUNDATION HAS PREPARED FORMS 8621 TO THE BEST OF ITS ABILITY BASED ON THE LIMITED INFORMATION PROVIDED TO IT BY THE INVESTMENT ON WHICH THE FOUNDATION IS REPORTING 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. FORM 926 DISCLOSURE FORM 926 DISCLOSURE THE FOUNDATION HAS PREPARED FORMS 926 TO THE BEST OF ITS ABILITY BASED ON THE LIMITED INFORMATION PROVIDED TO IT BY THE INVESTMENT ON WHICH THE FOUNDATION IS REPORTING 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. VANGUARD DEVELOPED MARKETS IDX 2518893 3857976 VANGUARD EMERGING MARKETS STOC 1818389 2086306 VANGUARD INDEX TR VANGUARD TOT 5179185 11026888 VANGUARD SHORT-TERM BOND INDEX 1506549 1479847 VANGUARD TOTAL BOND MARKET IND 12525463 10793176 ASF CRUISE LP 863459 ASF IX LP 515307 640439 ASF VIII 1838512 3250807 GOLUB CAPITAL PARTNERS INTERNA 1863509 2052289 JEN 7 FEEDER LP 1268657 1492750 JEN 8 FEEDER LP 566450 654220 RIVERVIEW STRATEGIC OPPTYS FUN 250842 WARBURG PINCUS FIN SEC -CAYMAN 724927 1648463 WARBURG PINCUS FIN SECTOR LP 330854 WARBURG PINCUS GG EUROPA (CAYM 1733761 4052682 WARBURG PINCUS GG 14 E&P-2 LP 187780 188090 WARBURG PINCUS GLOBAL GROWTH14 3281037 4546882 WARBURG PINCUS GLOBAL GROWTH E 214693 242050 WARBURG PINCUS GLOBAL GROWTH L 2798335 5513954 WP GG 14 CALLISTO (CAYMAN-A), 1113553 1858804 General Consultations 4905 4905 Administrative Fees 79203 79203 K-1 Exp JEN 6 FEEDER LP 456 456 K-1 Exp JEN 7 FEEDER LP 684 684 K-1 Exp JEN 8 FEEDER LP 307 307 K-1 Exp WARBURG PINCUS FINANCI 38407 32102 K-1 EXP WARBURG PINCUS GG 14E 1515 1515 K-1 EXP WARBURG PINCUS GG 14 163341 163330 K-1 EXP WARBURG PINCUS GG E 1546 1546 K-1 EXP WARBURG PINCUS GG LP 86037 86024 State or Local Filing Fees 1500 1500 K-1 Inc/Loss JEN 6 FEEDER LP 80898 80898 K-1 Inc/Loss JEN 7 FEEDER LP 117014 117014 K-1 Inc/Loss JEN 8 FEEDER LP 38602 38602 K-1 INC/LOSS WARBURG PINCUS FINANCIAL SE 41437 38841 K-1 INC/LOSS WARBURG PINCUS FI SECTOR LP 1850 1850 K-1 INC/LOSS WARBURG PINCUS GLO GROW 14E 9228 9228 K-1 INC/LOSS WARBURG PINCUS GLO GROW 14 34869 34869 K-1 INC/LOSS WARBURG PINCUS GLO GROWTH E 451 451 K-1 INC/LOSS WARBURG PINCUS GLOBAL GROWT 138960 138960 INCOME FROM WARBURG PINCUS GG EUROPA 277920 277920 Investment Management Services 6509 6509 990-PF Estimated Tax for 2025 23600 990-T Extension for 2024 2500 990-T Income Tax for 2024 4577 Foreign Tax Paid 1519 1519 IRS MISCELLANEOUS FEE 302 State Income Tax 2024 4698