Item 1(a).
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Name of Issuer:
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Leap Therapeutics, Inc. (the Issuer)
Item 1(b).
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Address of Issuers Principal Executive Offices:
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47 Thorndike St, Suite B1-1, Cambridge, MA 02141
Item 2(a).
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Name of Person Filing:
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Item 2(b).
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Address of Principal Business Office or, if none, Residence:
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(i) Invus Public Equities, L.P. (Invus Public Equities)
750 Lexington Avenue, 30th Floor, New York, NY 10022
Citizenship: Bermuda limited partnership
(ii) Invus Public Equities Advisors, LLC (Invus PE Advisors)
750 Lexington Avenue, 30th Floor, New York, NY 10022
Citizenship: Delaware limited liability company
(iii) Artal Treasury Limited (Artal Treasury)
Suite 4, Borough House, rue du Pré, St. Peter Port, Guernsey GY1 3JJ
Citizenship: Guernsey company
(iv) Artal International S.C.A. (Artal International)
Valley Park, 44, Rue de la Vallée, L-2661, Luxembourg
Citizenship: Luxembourg limited partnership
(v) Artal International Management S.A. (Artal International Management)
Valley Park, 44, Rue de la Vallée, L-2661, Luxembourg
Citizenship: Luxembourg société anonyme
(vi) Artal Group S.A. (Artal Group)
Valley Park, 44, Rue de la Vallée, L-2661, Luxembourg
Citizenship: Luxembourg société anonyme
(vii) Westend S.A. (Westend)
Valley Park, 44, Rue de la Vallée, L-2661, Luxembourg
Citizenship: Luxembourg société anonyme
(viii) Stichting Administratiekantoor Westend (the Stichting)
Claude Debussylaan, 46, 1082 MD Amsterdam, The Netherlands
Citizenship: Netherlands foundation
(ix) Mr. Pascal Minne
8
Clos du Bocage, B-1332 Genval, Belgium
Citizenship: Belgium
The foregoing persons are hereinafter sometimes collectively referred to as the Reporting Persons.
Item 2(d).
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Title of Class of Securities:
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Common Stock, par value $0.001 per share (the Shares)
52187K101