2025-11-17T10:28:30-06:00 2024-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2024-01-01 275022921 Weseley Family Charitable Foundation % Foundation Source WESE 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 MITCHELL J WESELEY PRESIDENT 8008391754 2025-11-14 true true Jeffrey D Haskell P01345770 8008391754 2024 2025-03-06 01:10:19Z X 105404 X 95673 1169 1169 325 325 3783 38014 17993 100950 19487 0 821 3256 3256 7803 7803 11880 0 11059 43976 43976 55856 0 55035 45094 19487 0 19814 3248 3248 16781 27652 106093 102156 64247 109341 105404 0 0 X 64247 109341 64247 109341 64247 109341 64247 45094 109341 109341 Publicly-traded Securities 38014 20021 17993 17993 17993 271 271 271 0 300 300 29 29 false false false false false false true true true DE true false false false false true Foundation Source 8008391754 501 Silverside Road Suite 123 Wilmington DE 198091377 false false true false true false false 0 false false false false false false false false false false false false false false Mitchell J Weseley Foundation Source 501 Silverside Rd Wilmington DE 198091377 Pres, Dir, Sec 1.0 0 0 0 Randie Weseley Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 1.0 0 0 0 31417 28298 0 59715 0 59715 896 58819 2941 2941 271 271 2670 2670 2670 55035 0 0 0 0 55035 2670 47597 24499 32421 57795 69507 231819 55035 2670 52365 284184 0 47597 236587 24499 32421 57795 69507 52365 Mitchell J Weseley Randie Weseley X AMERICAN JEWISH JOINT DISTRIBUTION COMMITTEE INC 220 E 42ND ST STE 400 NEW YORK NY 10017 N/A PC General & Unrestricted 5000 ANTI DEFAMATION LEAGUE FOUNDATION 605 THIRD AVE NEW YORK NY 10158 N/A PC General & Unrestricted 600 ANTI-DEFAMATION LEAGUE 605 3RD AVE NEW YORK NY 10158 N/A PC General & Unrestricted 25000 ASPETUCK LAND TRUST INC 239 TOILSOME HILL RD FAIRFIELD CT 06825 N/A PC General & Unrestricted 150 BEIT CHAVERIM SYNAGOGUE OF WESTPORT NORWALK INC 24 LUDLOW RD WESTPORT CT 06880 N/A PC General & Unrestricted 4140 BOSTON SYMPHONY ORCHESTRA INC 301 MASS AVE BOSTON MA 02115 N/A PC Friends of Tanglewood 100 EARTHJUSTICE PO BOX 194330 SAN FRANCISCO CA 94119 N/A PC General & Unrestricted 180 ENVIRONMENTAL DEFENSE FUND INCORPORATED 257 PARK AVE S 11TH FL NEW YORK NY 10010 N/A PC General & Unrestricted 200 GREENPEACE FUND INC 1300 EYE ST NW SUITE 1100 EAST WASHINGTON DC 20005 N/A PC General & Unrestricted 150 HIAS INC PO BOX 97077 WASHINGTON DC 20090 N/A PC General & Unrestricted 180 NATURAL RESOURCES DEFENSE COUNCIL INC 40 WEST 20TH ST 11TH FLOOR NEW YORK NY 10011 N/A PC General & Unrestricted 100 NATURE CONSERVANCY 55 CHURCH ST FLOOR 3 NEW HAVEN CT 06510 N/A PC General & Unrestricted 150 NEW YORK CITY CENTER INC 130 WEST 56TH ST NEW YORK NY 10019 N/A PC General & Unrestricted 250 NEW YORK GILBERT & SULLIVAN PLAYERS INC 225 W 99TH ST NEW YORK NY 10025 N/A PC General & Unrestricted 6416 OCEAN CONSERVANCY INC 1300 19TH ST NW 8TH FLOOR WASHINGTON DC 20036 N/A PC General & Unrestricted 100 SHATTERPROOF A NONPROFIT CORP PO BOX 24942 NEW YORK NY 10087 N/A PC General & Unrestricted 260 SIERRA CLUB FOUNDATION 2101 WEBSTER ST STE 1250 OAKLAND CA 94612 N/A PC General & Unrestricted 150 THE BI-CULTURAL HEBREW ACADEMY OF CONNECTICUT INCO 2186 HIGH RIDGE RD STAMFORD CT 06903 N/A PC General & Unrestricted 250 METROPOLITAN MUSEUM OF ART 1000 5TH AVENUE NEW YORK NY 100280198 N/A PC GENERAL & UNRESTRICTED 600 43976 14 1169 14 325 18 3783 5277 5277 false false false false false false false false false false X X 1 Weseley Mitchell J 35 Fanton Hill Road Weston CT 06883 95673 X 1 QUANTA SVCS INC PWR, 90 sh. 29584 2024-12-11 1 MARTIN MARIETTA MATLS INC MLM, 117 sh. 66089 2024-12-11 BERKSHIRE HATHAWAY INC. CLASS 6975 9066 MARTIN MARIETTA MATLS INC 66088 60430 MICROSOFT CORP 3446 4215 QUANTA SVCS INC 29584 28445 As explained below, the Foundation has no plans for dissolution. This statement is submitted to report the distribution of certain assets during the year. The distributions resulted in a substantial contraction of assets. The following information is submitted in accordance with Treasury Regulation Section 1.6043-3(a)(1) and the Form 990-PF instructions: During the taxable year ending December 31, 2024, the Foundation made distributions from assets from sources other than current income. Collectively, the distributions in excess of current income totaled $43,976. This amount represents 25% or more of the Foundation's net assets of $66,475 (as measured by fair market value) at the beginning of the Foundation's taxable year ending December 31, 2024. Although the Foundation technically experienced a substantial contraction, it will continue in existence and has no plans for dissolution. The Foundation made distributions of cash to the grantees listed in the attachment to Part XIV, Line 3a; each such grant was made solely for the charitable purpose specified therein. Administrative Fees 7778 7778 State or Local Filing Fees 25 25 990-PF Excise Tax for 2023 821