2025-11-26T09:11:27-06:00 2025-07-31 BDO USA 200 PARK AVENUE 38TH FLOOR NEW YORK NY 10166 990PF 2024-08-01 133437893 THOMAS G & ANDREA MENDELL FOUNDATION % BDO USA THOM 2127050156 777 THIRD AVENUE SUITE 2103 NEW YORK NY 10017 THOMAS G MENDELL TRUSTEE 2127050156 2025-11-11 true true Gary Duboff P00481803 2128858000 2024 2025-03-06 01:10:19Z X 1639395 X 197930 458 458 23275 23275 109971 109971 109971 331634 133704 0 5158 2579 0 2579 2571 838 250 7729 3417 0 2829 218153 218153 225882 3417 0 220982 105752 130287 0 12161 33629 33629 757835 767884 1605766 769996 801513 1639395 0 0 X 45049 45049 724947 756464 769996 801513 769996 801513 769996 105752 -74235 801513 801513 95 SHS THERMO FISHER SCIENTIFIC INC CMN 2009-05-26 2025-06-11 40175 3583 36592 36592 457 SHS ESTEE LAUDER COS INC CL-A CMN CLASS A 1997-03-06 2025-06-11 32698 5502 27196 27196 100 SHS JPMORGAN CHASE & CO CMN 1986-01-01 2024-12-05 24686 92 24594 24594 50 SHS MICROSOFT CORPORATION CMN 1995-06-08 2024-12-05 21852 263 21589 21589 109971 1811 1811 1811 750 0 750 X 1061 false false false false false false false false true NY true false false false false true N/A BDO USA 2128858000 200 PARK AVENUE 38TH FLOOR new york NY 10016 false false false false false false false false false false false false false false false false false false false false false THOMAS G MENDELL 777 3rd Avenue Suite 2103 new york NY 10017 TRUSTEE 0.0 0 0 0 ANDREA MENDELL 777 3rd Avenue Suite 2103 new york NY 10017 TRUSTEE 0.0 0 0 0 THE FOUNDATION IS NOT INVOLVED IN ANY DIRECT CHARITABLE ACTIVITIES. ITS PRIMARY PURPOSE IS TO SUPPORT, BY CONTRIBUTIONS, OTHER ORGANIZATIONS EXEMPT FROM TAX UNDER IRC SECTION 501(C)(3). 1556199 8817 0 1565016 0 1565016 23475 1541541 77077 77077 1811 1811 75266 75266 75266 220982 0 0 0 0 220982 75266 0 2022 2021 2020 0 128249 61478 88909 116878 223454 618968 220982 0 75266 145716 764684 0 0 0 0 128249 636435 61478 88909 116878 223454 145716 THOMAS G MENDELL NONE X A BETTER BALANCE 40 WORTH STREET 10TH FLOOR NEW YORK NY 10013 EOF CHARITABLE CONTRIBUTION 1000 AMERICAN RED CROSS 520 W 49TH STREET NEW YORK NY 10019 EOF CHARITABLE CONTRIBUTION 250 BRAIN & BEHAVIOR RESEARCH FOUNDATION 747 THIRD AVENUE 33RDFLOOR NEW YORK NY 10017 EOF CHARITABLE CONTRIBUTION 5000 CANCER RESEARCH INSTITUTE ONE EXCHANGE PLAZA 55 BROADWAY SU NEW YORK NY 10006 EOF CHARITABLE CONTRIBUTION 25000 CITY HARVEST 6 EAST 32ND STREET 5TH FLOOR NEW YORK NY 10016 EOF CHARITABLE CONTRIBUTION 500 CITY MEALS ON WHEELS 355 LEXINGTON AVENUE 3 NEW YORK NY 10017 EOF CHARITABLE CONTRIBUTION 500 COLGATE UNIVERSITY 13 OAK DR HAMILTON NEW YORK NY 13346 EOF CHARITABLE CONTRIBUTION 1000 COMMON GROUND CENTER 473 TATRO ROAD STAKSBORO VT 05487 EOF CHARITABLE CONTRIBUTION 5000 DOCTORS WITHOUT BORDERS 40 RECTOR STREET 16TH FLOOR NEW YORK NY 65216 EOF CHARITABLE CONTRIBUTION 1000 FIBROLAMELLAR CANCER FOUNDATION 20 HORSENECK LANE GREENWICH CT 06830 EOF CHARITABLE CONTRIBUTION 1000 GALLOP NYC 88 03 70TH ROAD FLUSHING NY 11375 EOF CHARITABLE CONTRIBUTION 250 GEORGE SCHOOL 1690 NEWTOWN LANGHORNE ROAD NEWTOWN PA 18940 EOF CHARITABLE CONTRIBUTION 5000 HARVARD BUSINESS SCHOOL SOLDIERS FIELD BOSTON MA 02163 EOF CHARITABLE CONTRIBUTION 1000 HELEN KELLER INTERNATIONAL ONE DAG HAMMARSKJOLD PLAZA FLOOR 2 NEW YORK NY 10017 EOF CHARITABLE CONTRIBUTION 1000 INSTITUTE FOR THE STUDY & WAR 1400 16TH STREET NW SUITE 515 WASHINGTON DC 20036 EOF CHARITABLE CONTRIBUTION 500 JEWISH SENIOR SERVICE 4200 PARK AVENUE BRIDGEPORT CT 06604 EOF CHARITABLE CONTRIBUTION 1000 LYMPHOMA RESEARCH FOUNDATION WALL STREET PLAZA 88 PINE STREET NEW YORK NY 10005 EOF CHARITABLE CONTRIBUTION 5000 MANHATTAN THEATRE CLUB 311 W 43RD STREET 9 NEW YORK NY 10036 EOF CHARITABLE CONTRIBUTION 5000 MANHATTAN THEATRE CLUB 311 W 43RD STREET 9 NEW YORK NY 10036 EOF CHARITABLE CONTRIBUTION 8500 NEIGHBORHOOD COALITION FOR SHELTER INC 50 BROADWAY SUITE 1301 NEW YORK NY 10004 EOF CHARITABLE CONTRIBUTION 250 NEW EYES FOR THE NEEDY 549 MILLBURN AVENUE SHORT HILLS NJ 07078 EOF CHARITABLE CONTRIBUTION 250 NEW YORK COMMON PANTRY 8 E 109TH STREET NEW YORK NY 10029 EOF CHARITABLE CONTRIBUTION 500 OPERATION SMILE 3641 FACULTY BOULEVARD VIRIGINIA BEACH VA 23453 EOF CHARITABLE CONTRIBUTION 250 ROBIN HOOD FOUNDATION 826 BROADWAY 9TH FLOOR NEW YORK NY 10003 EOF CHARITABLE CONTRIBUTION 1000 SCHOOL OF AMERICAN BALLET 70 LINCOLN CENTER PLAZA NEW YORK NY 10023 EOF CHARITABLE CONTRIBUTION 5000 ST BERNARD'S SCHOOL 4 EAST 98TH STREET NEW YORK NY 10029 EOF CHARITABLE CONTRIBUTION 1000 STUDENT ADVOCACY 3 W MAIN STREET 212 ELMSFORD NY 10523 EOF CHARITABLE CONTRIBUTION 500 THE BUONICONTI FUND TO CURE PARALYSIS 1095 NW 14TH TERRACE LOUIS POPE LIFE CENTER MIAMI FL 33136 EOF CHARITABLE CONTRIBUTION 500 THE CHAPIN SCHOOL 100 EAST END AVENUE NEW YORK NY 10028 EOF CHARITABLE CONTRIBUTION 1000 THE DOE FUND 345 E 102ND STREET 305 NEW YORK NY 10029 EOF CHARITABLE CONTRIBUTION 500 THE JED FOUNDATION 583 BROADWAY NEW YORK NY 10012 EOF CHARITABLE CONTRIBUTION 25000 THE MICHAEL J FOX FOUNDATION 469 7TH AVENUE NEW YORK NY 10018 EOF CHARITABLE CONTRIBUTION 1000 THE NATURE CONSERVANCY 322 8TH AVENUE NEW YORK NY 10001 EOF CHARITABLE CONTRIBUTION 1000 THE OSBORNE ASSOCIATION 809 WESTCHESTER AVENUE BRONX NY 10455 EOF CHARITABLE CONTRIBUTION 2500 THE ROCK SCHOOL FOR DANCE EDUCATION 1230 YORK AVENUE NEW YORK NY 10065 EOF CHARITABLE CONTRIBUTION 2000 THE ROCKEFELLER UNIVERSITY 1230 YORK AVENUE NEW YORK NY 10065 EOF CHARITABLE CONTRIBUTION 1000 THE SALVATION ARMY 536 W 46TH STREET NEW YORK NY 10036 EOF CHARITABLE CONTRIBUTION 100 THE WATERSIDE SCHOOL 770 PACIFIC STREET STAMFORD CT 06902 EOF CHARITABLE CONTRIBUTION 500 WOUNDED WARRIOR PROJECT 370 7TH AVENUE SUITE 1802 NEW YORK NY 10001 EOF CHARITABLE CONTRIBUTION 1000 YALE UNIVERSITY 205 PROSPECT STREET NEW HAVEN CT 06511 EOF CHARITABLE CONTRIBUTION 500 MENTOR NATIONAL MENTORING PARTNERSHIP INC 201 SOUTH STREET SUITE 615 BOSTON MA 02111 EOF CHARITABLE CONTRIBUTION 14893 ANTI-DEFAMATION LEAGUE 605 3RD AVENUE NEW YORK NY 10158 EOF CHARITABLE CONTRIBUTION 15265 CONNECTICUT COLLEGE 270 MOHEGAN AVENUE PARKWAY NEW LONDON CT 06320 EOF CHARITABLE CONTRIBUTION 19747 VANDERBILT UNIVERSITY 2201 WEST END AVENUE NASHVILLE TN 37235 EOF CHARITABLE CONTRIBUTION 24867 TUFTS UNIVERSITY 419 BOSTON AVENUE MEDFORD MA 02155 EOF CHARITABLE CONTRIBUTION 30531 218153 14 458 14 23275 18 109971 133704 133704 false false false false false false false false false false X X 1 THOMAS MENDELL 777 THIRD AVENUE SUITE 2103 New York NY 10017 99104 X 2 ANDREA MENDELL 777 THIRD AVENUE SUITE 2103 New York NY 10017 98826 X 1 Marriott Int'l Inc., 170 Shares. Equity Security, Regularly traded on an exchange. 48804 2024-12-13 1 ASML Holding N.V., 70 Shares. Equity Security, Regularly traded on an exchange. 50301 2024-12-13 2 APPLE, INC. 200 Shares. Equity Security, Regularly traded on an exchange. 49626 2024-12-13 2 Microsoft Corp, 110 Shares. Equity Security, Regularly traded on an exchange. 49200 2024-12-13 PROFESSIONAL FEES 5158 2579 2579 660 SHS ABBOTT LABORATORIES 282 83285 1803 SHS CHARLES SCHWAB CORP 358 176207 840 SHS JPMORGAN CHASE & CO 772 248842 673 SHS MEDTRONIC INC 51787 60732 537 SHS ABBVIE INC 249 101504 1700 SHS CANADIAN NATIONAL RAI 150904 158865 0 SHS ESTEE LAUDER 0 0 680 SHS MICROSOFT CORPORATION 185354 362780 384 SHS ASML HOLDING N.V. 230120 266769 399 SHS MARRIOTT INTERNATIONAL 98432 105268 0 SHS THERMO FISCHER 0 0 200 SHS APPLE, INC. 49626 41514 FEDERAL EXCISE TAX 1483 FOREIGN TAXES PAID 838 838 NYS FILING FEES 250 250 BOOK TO TAX DIFFERENCE -74235