2025-12-08T11:44:35-05:00 2024-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2024-01-01 770500312 Marks Family Foundation % Foundation Source MARK 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Amy Dornbusch President 8008391754 2025-11-18 true true Jeffrey D Haskell P01345770 8008391754 2024 2025-03-06 01:10:19Z X X 95765211 X 2115500 19845 19845 800241 800241 646108 2460703 1187892 -73642 -472361 3508052 1535617 308333 308333 15359 15359 36800 0 0 36800 4500 4500 38700 36094 36094 1059709 854137 63063 1499495 854137 0 464149 3040408 3040408 4539903 854137 0 3504557 -1031851 681480 0 554948 295910 295910 1768250 1768250 1768250 3062476 0 3062476 3403812 44875492 90297239 50859306 51414254 50002128 95765211 404535 55645 404535 55645 X 51009719 49946483 51009719 49946483 51414254 50002128 51009719 -1031851 49977868 31385 49946483 Passthrough K1 Capital Gain/(Loss) -280163 LIDO RETAIL GROUP P 2023-12-30 2024-12-31 870467 NEW LEGACY SPARROW LLC P 2023-12-31 2024-01-16 692453 467423 225030 225030 ROCKETSHIP VC FUND I LP P 2023-12-31 2024-12-31 1768250 1395692 372558 372558 1187892 9473 9473 9473 117405 0 117405 X 0 107932 10000 97932 false false false false false true true false true true CA true false true false false true N/A 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 Amy Dornbusch Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Pres 1.0 308333 148 0 Carole J Marks Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 Michael E Marks Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 Foundation Source 55 Walls Drive Suite 302 Fairfield CT 06824 Administrative 58110 0 796055 95504403 96300458 0 96300458 1444507 94855951 4742798 4742798 9473 9473 4733325 4733325 4733325 3504557 0 0 0 0 3504557 4733325 1802610 234718 2037328 3504557 3504557 0 1228768 1228768 808560 0 808560 573842 234718 AMY DORNBUSCH CAROLE MARKS MICHAEL MARKS X AERIAL RECOVERY 4235 HILLSBORO PIKE STE 300 NASHVILLE TN 37215 N/A PC General & Unrestricted 50000 AMERICAN CONSERVATORY THEATRE FOUNDATION 415 GEARY ST SAN FRANCISCO CA 94102 N/A PC to provide discounted tickets for attendees 10000 AMERICAN HIMALAYAN FOUNDATION 550 CALIFORNIA ST STE 350 SAN FRANCISCO CA 94104 N/A PC General & Unrestricted 5000 ANGEL FLIGHT WEST INC 3161 DONALD DOUGLAS LOOP S SANTA MONICA CA 90405 N/A PC Angel Flight West Endeavor Awards 20000 BERKLEE COLLEGE OF MUSIC INC 1140 BOYLSTON ST BOSTON MA 02215 N/A PC General & Unrestricted 250000 BLACK MUSIC ENTREPRENEURSHIP INCUBATOR 4400 KELLER AVE STE 140 PMB 118 OAKLAND CA 94605 N/A PC General & Unrestricted 100000 BRANNAN CENTER PO BOX 466 CALISTOGA CA 94515 N/A PC General & Unrestricted 25000 CAMP RAINBOW GOLD INC 1120 S FIVE MILE RD BOISE ID 83709 N/A PC Charitable Event 10000 COLLEGE TRACK 483 9TH ST STE 200 OAKLAND CA 94607 N/A PC General & Unrestricted 100000 COMMUNITY-WORD PROJECT INC 11 BROADWAY STE 508 NEW YORK NY 10004 N/A PC General & Unrestricted 10000 EARTHENABLE 11 CANDLEBERRY LN WESTON MA 02493 N/A PC General & Unrestricted 150000 EAST COAST ASSISTANCE DOGS INC PO BOX 831 TORRINGTON CT 06790 N/A PC General & Unrestricted 300000 EDESIA INC 550 ROMANO VINEYARD WAY N KINGSTOWN RI 02852 N/A PC GAZA 5000 EDESIA INC 550 ROMANO VINEYARD WAY N KINGSTOWN RI 02852 N/A PC General & Unrestricted 5000 EL DORADO FOUNDATION INC 4800 N SCOTTSDALE RD 3850 SCOTTSDALE AZ 85251 N/A PC General & Unrestricted 10000 FLOURISH FOUNDATION PO BOX 2429 KETCHUM ID 83340 N/A PC General & Unrestricted 5000 FROM THE TOP INC 6 LIBERTY SQ PMB 6169 BOSTON MA 02109 N/A PC General & Unrestricted 5000 GIVE2ASIA TWO EMBARCADERO CENTER 8TH FL SAN FRANCISCO CA 94111 N/A PC Juilliard (Beijing) 104000 HONEYWELL ARTS ACADEMY INC 275 W MARKET ST WABASH IN 46992 N/A SO I General & Unrestricted 90000 HONEYWELL ARTS ACADEMY INC 275 W MARKET ST WABASH IN 46992 N/A SO I WABASS 90000 NATIONAL PARKS CONSERVATION ASSOCIATION 777 6TH ST NW STE 700 WASHINGTON DC 20001 N/A PC General & Unrestricted 10000 NEO PHILANTHROPY INC 1001 AVE OF THE AMERICAS 12TH FL NEW YORK NY 10018 N/A PC Daughters for Earth 100000 PATHWAYS HOME HEALTH AND HOSPICE 585 N MARY AVE SUNNYVALE CA 94085 N/A PC General & Unrestricted 10000 PIANOSONOMA MUSIC FESTIVAL INC 42 WESTBOURNE RD NEWTON MA 02459 N/A PC General & Unrestricted 30000 PROJECT GLIMMER 269 STRATFORD DR SAN FRANCISCO CA 94132 N/A PC General & Unrestricted 10000 PROJECT MUSIC HEALS US INC 800 VILLAGE WALK STE 296 GUILFORD CT 06437 N/A PC to support overhead expansion 200000 PROJECT MUSIC HEALS US INC 800 VILLAGE WALK STE 296 GUILFORD CT 06437 N/A PC General & Unrestricted 250000 REALIZE IMPACT 271 WINSLOW WAY E 10234 BAINBRIDGE ISLAND WA 98110 N/A PC gDiapers 100000 REALIZE IMPACT 271 WINSLOW WAY E 10234 BAINBRIDGE ISLAND WA 98110 N/A PC General & Unrestricted 150000 SCHOLARSHIP AMERICA INC PO BOX 772858 DETROIT MI 48277 N/A PC College Track 50000 SILICON VALLEY EDUCATION FOUNDATION 1400 PARKMOOR AVE SUITE 200 SAN JOSE CA 95126 N/A PC General & Unrestricted 10000 SUN VALLEY CENTER FOR THE ARTS INC PO BOX 656 SUN VALLEY ID 83353 N/A PC Charitable Event 5000 SUN VALLEY MUSIC FESTIVAL PO BOX 1914 SUN VALLEY ID 83353 N/A PC General & Unrestricted 25000 SUN VALLEY PERFORMING ARTS CENTER INC PO BOX 4921 KETCHUM ID 83340 N/A PC General & Unrestricted 7900 TAHOE EXPEDITION ACADEMY INC 8651 SPECKLED AVE BOX 1272 KINGS BEACH CA 96143 N/A PC General & Unrestricted 150000 TEEN CANCER AMERICA INC 1250 6TH ST STE 301 SANTA MONICA CA 90401 N/A PC General & Unrestricted 10000 THE AASHA FOUNDATION 4790 CAUGHLIN PKWY - SUITE 435 RENO NV 89519 N/A PC General & Unrestricted 50000 THE V FOUNDATION 14600 WESTON PKWY CARY NC 27513 N/A PC General & Unrestricted 250000 WE CARE SOLAR 2550 9TH ST STE 113A BERKELEY CA 94710 N/A PC General & Unrestricted 250000 WESTERN CONNECTICUT YOUTH ORCHESTRA INC 77 DANBURY RD RIDGEFIELD CT 06877 N/A PC Charles Ives Music Festival 5000 WOMEN MOVING MILLIONS INC 19 FULTON ST STE 301 NEW YORK NY 10038 N/A PC General & Unrestricted 13508 YMCA OF SILICON VALLEY 550 S WINCHESTER BLVD STE 250 SAN JOSE CA 95128 N/A PC El Camino Y 10000 3040408 14 19845 14 800241 525990 -135 18 646243 K-1 Inc/Loss 525990 398719 14 -597361 MANAGEMENT FEE REBATE 01 125000 398584 993968 1392552 false false false false false false false false false false X X 1 Marks Family Trust 8082 Villandry Drive Truckee CA 96161 2115500 X Audit Fees 24400 24400 General Consultations 10200 10200 Tax Return Preparation/Review 2200 2200 Form 8865 FORM 8865 The Foundation has prepared this form 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 990-PF FORM 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. FORM 990-PF FORM 990-PF One or more partnerships in which the foundation was invested in 2024 have provided a Schedule K-1 indicating that a Schedule K-3 would be provided, but it was not provided. As a result, there is insufficient information to allow Foundation Source, as tax preparer, to ascertain whether there is missing information about direct or indirect foreign investments that might have affected any item on this return or required additional forms to be filed. 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. 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): $646,243 TOTAL NOT INCLUDED IN PART IV: PASSTHROUGH K-1 CAPITAL GAIN/(LOSS) - UBI NET GAIN/(LOSS): $(135) TOTAL PART I, LINE 6A: $646,108 DETAILS OF ASSETS INCLUDED IN PART IV: PASSTHROUGH K-1 CAPITAL GAIN/(LOSS) - NON UBI NET GAIN/(LOSS): $(280,163) SALES OF OTHER ITEMIZED ASSETS GROSS SALES PRICE: $2,460,703 BOOK BASIS: $1,534,297 NET GAIN/(LOSS): $926,406 560 BUILDING LLC 91330 91330 9900 BUILDING LLC 368800 327216 ALBANY ROAD III-SOLANA LLC 185165 307560 ALBANY ROAD RE FUND III LLC 3567406 4150055 ALBANY ROAD SPORTS COMPLEX INV 39747 424839 AT CROYDON WAY LP 394477 652500 AT NORTH RANCH A LP 329421 1280000 AT SOUTHPORT LP 538184 794333 AT-SR3 PARTNERS LP 92533 501841 CARBITEX INC 1687427 3301 CELESTA CAPITAL II LP 6352751 7697905 CELESTA CAPITAL III LP 8624222 12210156 CELESTA CAPITAL IV LP 4193518 4766485 CURA INC 562476 514019 DRAKE REAL ESTATE PARTNERS FUN 830425 924080 GATEWAY MV OPERATING LLC 81434 76601 H BARTON CO-INVEST FUND V LLC 497893 584509 H BARTON SELECT IV LLC 616209 744964 H2O.AI INC 1874918 7902217 HALOGEN VENTURES FUND 2 LP 326045 580283 HALOGEN VENTURES FUND 3 LP 277544 274946 MINA GROUP INC 1468290 1146992 NEWBOUND VENTURES FUND I 389191 425543 NH CREDIT PARTNERS II OFF CORE 194706 194706 OPERATOR COLLECTIVE FUND - Q L 690668 1463797 OUTLIER HOLDINGS LLC 5709115 38450000 PIMCO BRAVO FD II SPECIAL 42159 41557 PIMCO BRAVO FUND II OFFSHORE F 27370 8376 RSP FLINTRIDGE MANAGER LLC 50000 SAGEVIEW III (B) LP 1682852 1682852 VARO TOPCO LLC 553785 299425 WARREN EQUITY PARTNERS LLC 383010 205334 WATCHFIRE VENTURES FUND II LP 277503 301749 WHITERABBIT.AI INC 1874918 1267768 PRIOR PERIOD ADJUSTMENT 31385 Administrative Fees 50110 50110 Administrative Set-Up Fee 8000 8000 Bank Charges 25 25 Computers/Electronic Devices 1842 1842 Foundation Dues & Memberships 1688 1688 K-1 Exp AT CROYDON WAY LP 28146 K-1 Exp AT NORTH RANCH A LP 108443 K-1 Exp CELESTA CAPITAL II LP 128652 128652 K-1 Exp CELESTA CAPITAL III LP 227461 227461 K-1 Exp CELESTA CAPITAL IV LP 181345 181345 K-1 Exp DRAKE REAL ESTATE PART 886 886 K-1 Exp GATEWAY MV OPERATING L 8 K-1 Exp H BARTON CO-INVEST FUN 25529 25529 K-1 Exp H BARTON SELECT IV LLC 26144 24823 K-1 Exp HALOGEN VENTURES FUND 13567 13567 K-1 Exp HALOGEN VENTURES FUND 15296 15296 K-1 Exp LIDO GROUP RETAIL HOLD 80 80 K-1 Exp LIDO RETAIL GROUP 259 259 K-1 Exp NEWBOUND VENTURES FUND 10359 10355 K-1 Exp OPERATOR COLLECTIVE FU 21719 21719 K-1 Exp OUTLIER HOLDINGS LLC 90286 86585 K-1 Exp PIMCO BRAVO FD II SPEC 213 213 K-1 Exp PIMCO BRAVO FUND II OF 50 50 K-1 Exp ROCKETSHIP VC FUND I L 42337 42337 K-1 Exp SAGEVIEW III (B) LP 52170 52170 K-1 Exp VARO TOPCO LLC 215 K-1 Exp WARREN EQUITY PARTNERS 671 K-1 Exp WATCHFIRE VENTURES FUN 22785 22785 Payroll Processing Fees 594 594 Postage/Delivery Service 641 641 Website Hosting/Support 188 188 K-1 Inc/Loss 560 BUILDING LLC 2807 2807 K-1 Inc/Loss 9900 BUILDING LLC 16176 16176 K-1 Inc/Loss ALBANY ROAD III-SOLANA LLC -6762 -6762 K-1 Inc/Loss ALBANY ROAD SPORTS COMPLEX INVESTOR 3489 32656 K-1 Inc/Loss AT CROYDON WAY LP 22991 10977 K-1 Inc/Loss AT NORTH RANCH A LP -137328 -84187 K-1 Inc/Loss AT SOUTHPORT LP -125404 -119578 K-1 Inc/Loss AT-SR3 PARTNERS LP -3195 30709 K-1 Inc/Loss CELESTA CAPITAL II LP 27000 27000 K-1 Inc/Loss CELESTA CAPITAL III LP 12461 12461 K-1 Inc/Loss CELESTA CAPITAL IV LP 16340 16340 K-1 Inc/Loss DRAKE REAL ESTATE PARTNERS FUND IV L 6883 6883 K-1 Inc/Loss GATEWAY MV OPERATING LLC -18400 -199 K-1 Inc/Loss H BARTON CO-INVEST FUND V LLC -424 -424 K-1 Inc/Loss H BARTON SELECT IV LLC 1495 1117 K-1 Inc/Loss HALOGEN VENTURES FUND 2 LP 250 250 K-1 Inc/Loss LIDO GROUP RETAIL HOLDINGS LLC -2317 1558 K-1 Inc/Loss LIDO RETAIL GROUP -12337 -652956 K-1 Inc/Loss NEWBOUND VENTURES FUND I 1489 1489 K-1 Inc/Loss OPERATOR COLLECTIVE FUND - Q LP 713 713 K-1 Inc/Loss OUTLIER HOLDINGS LLC 114904 114904 K-1 Inc/Loss PIMCO BRAVO FD II SPECIAL -114 -114 K-1 Inc/Loss PIMCO BRAVO FUND II OFFSHORE FEEDER 20 20 K-1 Inc/Loss RSP FLINTRIDGE MANAGER LLC -22161 -22161 K-1 Inc/Loss SAGEVIEW III (B) LP 1675 1675 K-1 Inc/Loss VARO TOPCO LLC -48016 8976 K-1 Inc/Loss WARREN EQUITY PARTNERS LLC -53186 K-1 Inc/Loss WATCHFIRE VENTURES FUND II LP 2309 2309 Management Fee Rebate 125000 125000 LIDO GROUP RETAIL HOLDINGS LLC 404535 55645 CURA INC 562476 0 D LIGHT DESIGN INC 2500000 0 Website Development 4500 4500 Marks Family Trust 8082 Villandry Drive Truckee CA 96161 990-PF Estimated Tax for 2024 38700