13D Filings
REPARE THERAPEUTICS INC.
RPTX
Amendment
Ownership

7.80%

Total Shares

3,300,856

Issuer CIK

1808158

CUSIP

760273102

Event Date

Dec 19, 2024

Accepted

Dec 26, 2024, 04:34 PM

Reporting Persons (11)
Joint Filing

This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.

NameType% of ClassAggregateSole VotingShared Voting
ANSBERT GADICKE
Individual
7.80%3,300,85603,300,856
Todd Foley
Individual
4.50%1,906,67001,906,670
MPM BioVentures 2014 LLC
Other
4.50%1,906,67001,906,670
LUKE EVNIN
Individual
4.50%001,906,670
MPM BioVentures 2014 GP LLC
Other
4.30%1,847,06701,847,067
MPM BioVentures 2014, L.P.
Partnership
4.10%1,731,5751,731,5750
MPM BioImpact LLC
Other
3.30%1,394,18601,394,186
Oncology Impact Fund (Cayman) Management L.P.
Partnership
3.30%1,394,18601,394,186
UBS Oncology Impact Fund L.P.
Partnership
3.30%1,394,1861,394,1860
MPM BioVentures 2014 (B), L.P.
Partnership
0.30%115,492115,4920
MPM Asset Management Investors BV2014 LLC
Other
0.10%59,60359,6030
Disclosure Items (4)

Security Title

Common Shares

Issuer Name

REPARE THERAPEUTICS INC.

Issuer Address

7171 FREDERICK BANTING, SAINT-LAURENT, A8, H4S 1Z9

Filing Persons

The entities and persons filing this statement are MPM BioVentures 2014, L.P. ('BV 2014'), MPM BioVentures 2014 (B), L.P. ('BV 2014(B)'), MPM Asset Management Investors BV2014 LLC ('AM BV2014 LLC'), UBS Oncology Impact Fund L.P. ('UBS Oncology'), MPM BioVentures 2014 GP LLC ('BV 2014 GP'), MPM BioVentures 2014 LLC ('BV 2014 LLC'), Oncology Impact Fund (Cayman) Management LP ('Oncology Cayman') and MPM BioImpact LLC ('BioImpact') (collectively, the 'MPM Entities') and Ansbert Gadicke, Luke Evnin and Todd Foley (collectively, the 'Listed Persons' and, together with the MPM Entities, the 'Filing Persons'). The Filing Persons expressly disclaim status as a 'group' for purposes of this Schedule 13D.

Business Address

The address of the principal place of business for each of the MPM Entities and Ansbert Gadicke, Luke Evnin and Todd Foley is 399 Boylston Street, Suite 1100, Boston, MA 02116.

Principal Occupation

The principal business of each of the Filing Persons is the venture capital investment business.

Convictions

During the last five years, none of the Filing Persons has been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree, or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Citizenship

Each of the Listed Persons is a United States citizen and each of the MPM Entities is a Delaware limited partnership or limited liability company, other than UBS Oncology and Oncology Cayman which are Cayman Islands limited partnerships. In accordance with the provisions of General Instruction C to Schedule 13D, information concerning the managers and each other person controlling the general partners of the MPM Entities required by Item 2 of Schedule 13D is listed on Schedule 1 to this Amendment No. 4 and is incorporated by reference herein.

Percentage of Class

See rows (11) and (13) of the Filing Persons Owner Profile of this Amendment No. 4 for the aggregate number of Common Shares and percentages of the shares of Common Shares beneficially owned by the Filing Person. The Common Shares are held as follows: • 1,731,575 shares are held directly by BV 2014; • 115,492 shares are held directly by BV 2014(B); • 59,603 shares are held directly by AM BV2014 LLC; and • 1,394,186 shares are held directly by UBS Oncology. BV 2014 GP and BV 2014 LLC are the direct and indirect general partners of BV 2014 and BV 2014(B) and, accordingly, may be deemed to beneficially own the shares held by BV 2014 and BV 2014(B). BV 2014 LLC is the managing member of AM BV2014 LLC and, accordingly, may be deemed to beneficially own the shares held by AM BV2014 LLC. BioImpact and Oncology Cayman are the direct and indirect general partners of UBS Oncology and, accordingly, may be deemed to beneficially own the shares held by UBS Oncology. Drs. Gadicke and Evnin and Mr. Foley are the managing directors of BV 2014 LLC and, accordingly, may be deemed to beneficially own the shares held by BV 2014, BV 2014(B) and AM BV2014 LLC. Dr. Gadicke is the managing partner of BioImpact and, accordingly may be deemed to beneficially own the shares held by UBS Oncology. Calculation of the percentage of the shares of Common Shares beneficially owned is based upon 42,510,708 share of Common Shares outstanding as of November 1, 2024, as reported in the Issuer's Form 10-Q filed with the SEC on November 7, 2024.

Number of Shares

See rows (7) through (10) of the Filing Persons Owner Profile of this Amendment No. 4 for the number of shares as to which there is sole power to vote or to direct the vote, sole power to dispose or to direct the disposition, or shared power to dispose or to direct the disposition.

Transactions

The Reporting Persons sold the following Common Shares in the open market in the sixty days preceding the date of this filing: Date of Sale Price Range Ave. Price Sold by Sold by Sold By AM BV Sold by BV 2014 BV 2104(B) 2014 LLC UBS Oncology 12/13/24 $1.66-$2.01 $1.82 154,827 10,327 5,329 124,659 12/17/24 $1.45-$1.535 $1.48 13,565 905 466 10,922 12/18/24 $1.23-$1.33 $1.28 17,685 1,180 609 14,239 12/19/24 $1.265-$1.37 $1.33 31,717 2,115 1,092 25,537 12/20/24 $1.305-$1.45 $1.37 60,426 4,030 2,080 48,652 12/23/24 $1.27-$1.36 $1.32 26,894 1,794 925 21,654

Shareholders

Inapplicable.

Date of 5% Ownership

Inapplicable.

Joint Filing Statement