0001193125-22-293425 15-12G 1 20221128 20221128 20221128 Stealth BioTherapeutics Corp 0001696396 2834 000000000 E9 1231 15-12G 34 001-38810 221425907 190 ELGIN AVENUE GEORGE TOWN GRAND CAYMAN E9 KY1-9005 617-600-6888 190 ELGIN AVENUE GEORGE TOWN GRAND CAYMAN E9 KY1-9005 15-12G 1 d427006d1512g.htm 15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-38810 STEALTH BIOTHERAPEUTICS CORP (Exact name of registrant as specified in its charter) Stealth BioTherapeutics Corp c/o Intertrust Corporate Services (Cayman) Limited One Nexus Way, Camana Bay Grand Cayman KY1-9005 Cayman Islands Telephone: (617) 600-6888 (Address, including zip code, and telephone number, including area code, of registrantís principal executive offices) Ordinary Shares, par value US$0.0003 per share American Depositary Shares, each representing 12 ordinary shares (Title of each class of securities covered by this Form) None (Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains) Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports: Rule 12g-4(a)(1) ? Rule 12g-4(a)(2) ? Rule 12h-3(b)(1)(i) ? Rule 12h-3(b)(1)(ii) ? Rule 15d-6 ? Rule 15d-22(b) ? Approximate number of holders of record as of the certification or notice date: five -------------------------------------------------------------------------------- Pursuant to the requirements of the Securities Exchange Act of 1934, Stealth BioTherapeutics Corp has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person. Stealth BioTherapeutics Corp Date: November 28, 2022 By: /s/ Irene P. McCarthy Name: Irene P. McCarthy Title: Chief Executive Officer