2021-11-15T15:30:37-06:00 2020-12-31 331197384 ANDERSEN TAX LLC 125 HIGH STREET BOSTON MA 02110 990PF 2020-01-01 263403705 SAMANTHA BECKY MARK FOUNDATION SAMA 6172928400 16 BOARDMAN AVENUE MANCHESTER MA 01944 BECKY LEVIN TRUSTEE 6172928400 2021-11-11 1 BECKY LEVIN 999009999 SUSAN M DELGADO P01052054 6172928400 2021-11-11 2 AAL1 IAL1 2020 2022-09-23 18:48:47Z X 18086968 X 6983679 4087 4087 150049 150049 946123 15554253 7906525 13611 0 8097549 8060661 0 0 0 31200 0 5600 109514 109514 0 106 106 0 3851 2226 125 144671 111846 5725 5097500 5097500 5242171 111846 5103225 2855378 7948815 3525 534 534 1611615 1865308 1865311 1348753 1924794 1963814 3360115 2002912 3536524 6291505 9677343 10720785 12615513 15470891 18086968 0 0 X 0 0 0 0 12615513 15470891 12615513 15470891 12615513 15470891 12615513 2855378 0 15470891 0 15470891 PUBLICLY TRADED SECURITIES P 7872959 7035524 837435 837435 CAPITAL GAINS DISTRIBUTIONS P 2152 2152 2152 CAPITAL GAINS FROM K-1S P 2213 2213 2213 CAPITAL GAINS - DISPOSITION OF HEDGE FUND MANAGERS (DIVERSIFIED) P 2020-05-01 700275 600000 100275 100275 21,000 SHARES OF BPMC D 2466148 2466148 2466148 26,000 SHARES OF CNST D 861192 861192 861192 444 SHARES OF CYTK D 9408 2025 7383 7383 25,000 SHARES OF GBT D 1095211 1095211 1095211 23,000 SHARES OF RYTM D 651936 9613 642323 642323 25,000 SHARES OF SAGE D 1892270 1892270 1892270 79 SHARES OF SCYX D 489 566 -77 -77 7906525 110489 0 110489 0 110489 13523 0 120000 0 133523 X 0 23034 23034 0 0 0 0 0 0 0 0 0 0 0 1 1 MA 1 0 1 0 0 1 N/A ANDREW KYRIACOU 6172928400 125 HIGH STREET 16TH FLOOR BOSTON MA 02110 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 MARK J LEVIN C/O THIRD ROCK VENT 29 NEWBURY ST BOSTON MA 02116 TRUSTEE 2.00 0 0 0 BECKY RUHMANN LEVIN C/O THIRD ROCK VENT 29 NEWBURY ST BOSTON MA 02116 TRUSTEE 2.00 0 0 0 NONE 0 GOLDMAN SACHS 125 HIGH STREET 1700 BOSTON MA 02110 INVESTMENT SERVICES 107898 DONNA FORLIZZI 55 TOPSFIELD ROAD BOXFORD MA 01921 ACCOUNTING 20000 ANDERSEN TAX LLC 125 HIGH STREET 16TH FLOOR BOSTON MA 02110 TAX PREPARATION 11200 0 NONE 0 0 11488956 661061 0 12150017 0 0 12150017 182250 11967767 598388 598388 110489 110489 487899 0 487899 0 487899 5103225 0 5103225 0 5103225 487899 0 0 1583336 1981849 2915679 2792473 4772472 14045809 5103225 0 0 0 487899 4615326 0 0 18661135 0 0 0 0 0 0 1583336 17077799 1981849 2915679 2792473 4772472 4615326 MARK J LEVIN BECKY RUHMANN LEVIN X THE POSSIBLE PROJECT 16 BOARDMAN AVENUE MANCHESTER MA 01944 RELATED PARTY 501(C)(3) GENERAL 4950000 UNION CAPITAL BOSTON 1542 COLUMBUS AVENUE BOSTON MA 02119 N/A 501(C)(3) GENERAL 5000 COMMONWEALTH KITCHEN 196 QUINCY STREET DORCHESTER MA 02121 N/A 501(C)(3) GENERAL 5000 HYDE SQUARE TASK FORCE 30 SUNNYSIDE STREET JAMAICA PLAIN MA 02130 N/A 501(C)(3) GENERAL 5000 URBAN EDGE 1542 COLUMBUS AVE BOSTON MA 02119 N/A 501(C)(3) GENERAL 5000 BOSTON MEDICAL CENTER 801 MASSACHUSETTS AVENUE FIRST FLOOR BOSTON MA 02118 N/A 501(C)(3) GENERAL 5000 BLACK ECONOMIC COUNCIL OF MASSACHUSETTS ONE BEACON STREET BOSTON MA 02108 N/A 501(C)(3) GENERAL 5000 GREEN LIGHT FUND 200 CLARENDON STREET 9TH FLOOR BOSTON MA 02116 N/A 501(C)(3) GENERAL 37500 LIFE SCIENCE CARES PO BOX 425486 CAMBRIDGE MA 02142 N/A 501(C)(3) GENERAL 10000 ZAMNI BENI ORPHANAGE 6201 RIVERA DRIVE CORAL GABELS FL 33134 N/A 501(C)(3) GENERAL 70000 5097500 0 14 4087 14 150049 14 13611 14 946123 0 1113870 0 1113870 0 0 0 0 0 0 0 0 0 0 X X 1 MARK LEVIN 16 BOARDMAN AVENUE MANCHESTER MA 01944 31200 X 2 MARK LEVIN 16 BOARDMAN AVENUE MANCHESTER MA 01944 6952479 X 2 21,000 SHS. OF BLUEPRINT MEDICINES CORPORATION 2476635 2020-12-16 2 26,000 SHS. OF CONSTELLATION PHARMACEUTICALS 855140 2020-12-16 2 444 SHS. OF CYTOKINETICS, INCORPORATED 9197 2020-12-16 2 25,000 SHS. OF GLOBAL BLOOD THERAPEUTICS, INC. 1092500 2020-12-16 2 23,000 SHS. OF RHYTHM PHARMACEUTICALS, INC. 662170 2020-12-16 2 25,000 SHS. OF SAGE THERAPEUTICS, INC. 1856250 2020-12-16 2 79 SHS. OF SCYNEXIS, INC. 587 2020-12-16 ACCOUNTING FEES 20000 0 0 TAX PREPARATION 11200 0 5600 GOLDMAN SACHS - 59658 845037 1224520 GOLDMAN SACHS - 50253 472086 773503 GOLDMAN SACHS - 70410 685789 1538501 1924794 1963814 0 0 GOLDMAN SACHS - 59664 (INDEX FUNDS) AT COST 7429070 8162083 FIRST REPUBLIC - 37922 (MUTUAL FUNDS) AT COST 456056 681336 GOLDMAN SACHS - 70215 (ALTERNATIVE INVESTMENTS) AT COST 1175913 1282827 GOLDMAN SACHS - 70215 (HEDGE FUNDS + PRIVATE EQUITY) AT COST 616304 594539 NON-DIVIDEND DISTRIBUTIONS 13611 0 13611 INVESTMENT FEES 107898 107898 0 PORTFOLIO EXPENSE 1616 1616 0 MARK LEVIN 16 BOARDMAN AVENUE MANCHESTER MA 01944 FOREIGN TAXES PAID 2226 2226 0 MA FILING FEE 125 0 125 FEDERAL 990-PF 1500 0 0