2024-04-11T13:00:20-05:00 2023-06-30 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2022-07-01 136169215 The Carl Marks Foundation Inc % Foundation Source CARL 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Andrew M Boas Co-President 8008391754 2024-03-14 true Andrew M Boas 999009999 Jeffrey D Haskell P01345770 8008391754 2022 2023-04-26 12:10:37Z X 26338543 X 0 X 16924 16924 529003 529003 325064 325068 325064 870991 870991 0 93000 93000 10851 10851 15356 3156 2080 2080 39881 135 39746 161168 3291 145677 256080 256080 417248 3291 401757 453743 867700 1955368 2084060 2084060 8413704 8738755 24254483 10369072 10822815 26338543 0 0 X 10369072 10822815 10369072 10822815 10369072 10822815 10369072 453743 10822815 10822815 Publicly-traded Securities 325068 4 325064 325064 325064 12061 12061 12061 12081 0 300 12381 X 0 320 320 false false false false false false 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 true false false false false false false false false false false false false false false false false false Andrew M Boas Foundation Source 501 Silverside Rd Wilmington DE 198091377 Co-Pres, Dir, Chairman 1.0 0 0 0 Carol A Boas Foundation Source 501 Silverside Rd Wilmington DE 198091377 Treas, Dir 1.0 0 0 0 Carol L Boas Foundation Source 501 Silverside Rd Wilmington DE 198091377 Assistant Treas, Dir 1.0 0 0 0 Rick Boas Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP, VICE CHAIR 1.0 0 0 0 Mark Claster Foundation Source 501 Silverside Rd Wilmington DE 198091377 Co-Pres, Dir 1.0 0 0 0 Susan B Claster Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP, VICE CHAIR 1.0 0 0 0 Kate Liebman Foundation Source 501 Silverside Rd Wilmington DE 198091377 Sec 20.0 0 0 0 SUSAN SHANKMAN 575 RIVERSIDE AVE STE 202A WESTPORT CT 06880 Program Admin 40.0 93000 3737 23064073 1978651 0 25042724 0 25042724 375641 24667083 1233354 1233354 12061 12061 1221293 1221293 1221293 401757 0 0 0 0 401757 1221293 2020 2019 2018 1489473 1638381 1591450 396596 197730 5313630 401757 401757 0 819536 819536 4494094 0 669937 3824157 1638381 1591450 396596 197730 Andrew M Boas Mark Claster X FJC 225 W 39TH ST 12TH FL NEW YORK NY 10018 N/A PC General & Unrestricted 250000 FRIENDS OF THE LEVITT PAVILION INC 260 S COMPO ROAD WESTPORT CT 06880 N/A PC General & Unrestricted 5000 THE CONSERVATIVE SYNAGOGUE INC 30 HILLSPOINT RD WESTPORT CT 06880 N/A PC General & Unrestricted 1080 256080 14 16924 14 529003 18 325064 870991 870991 false false false false false false false false false false BARON FOCUSED GROWTH FD INSTI 1712725 3766489 BERKSHIRE HATHAWAY INC. CLASS 610384 2728000 CANADIAN PACIFIC RAILWAY LTD 372895 3959992 CRIMSON WINE GROUP, LTD 90550 167031 CUBAN ELECTRIC CO FRANCISCO IND INC 1767 JEFFERIES GROUP INC 5602299 12568113 OVINTIV INC 87435 65975 VITESSE ENERGY INC 260700 998883 Administrative Fees 38500 38500 Bank Charges 135 135 ANNUAL CREDIT CARD FEE 150 150 Postage/Delivery Service 18 18 State or Local Filing Fees 750 750 Website Hosting/Support 328 328 990-PF Estimated Tax for 2023 12000 990-PF Extension for 2022 200 Foreign Tax Paid 3156 3156