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The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
FULCRUM THERAPEUTICS, INC. COM 359616109   17,058,161 2,343,154 SH   SOLE   2,343,154 0 0
MAGENTA THERAPEUTICS, INC. COM 55910K108   2,669,491 6,758,204 SH   SOLE   6,758,204 0 0
PLIANT THERAPEUTICS, INC. COM 729139105   41,228,319 2,132,867 SH   SOLE   2,132,867 0 0
REVOLUTION MEDICINES, INC. COM 76155X100   33,822,018 1,419,900 SH   SOLE   1,419,900 0 0
TANGO THERAPEUTICS, INC. COM 87583X109   140,388,819 19,363,975 SH   SOLE   19,363,975 0 0