0000899243-17-017472.txt : 20170628 0000899243-17-017472.hdr.sgml : 20170628 20170628195216 ACCESSION NUMBER: 0000899243-17-017472 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170628 FILED AS OF DATE: 20170628 DATE AS OF CHANGE: 20170628 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: AILERON THERAPEUTICS INC CENTRAL INDEX KEY: 0001420565 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 281 ALBANY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617-995-0900 MAIL ADDRESS: STREET 1: 281 ALBANY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Sigma Emerging Markets Ltd. CENTRAL INDEX KEY: 0001709926 STATE OF INCORPORATION: D8 FISCAL YEAR END: 1217 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38130 FILM NUMBER: 17936546 BUSINESS ADDRESS: STREET 1: OMC CHAMBERS, WICKHAMS CAY 1 CITY: ROAD TOWN, TORTOLA STATE: D8 ZIP: 00000 BUSINESS PHONE: 505-894-93587 MAIL ADDRESS: STREET 1: OMC CHAMBERS, WICKHAMS CAY 1 CITY: ROAD TOWN, TORTOLA STATE: D8 ZIP: 00000 3 1 doc3.xml FORM 3 SUBMISSION X0206 3 2017-06-28 0 0001420565 AILERON THERAPEUTICS INC ALRN 0001709926 Sigma Emerging Markets Ltd. OMC CHAMBERS, WICKHAMS CAY 1 ROAD TOWN, TORTOLA D8 VIRGIN ISLANDS, BRITISH 0 0 1 0 Series F Preferred Stock Common Stock 233086 D The Series F Preferred Stock is convertible into Common Stock on a 9.937-for-one basis into the number of shares of Common Stock shown in column 3 at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares have no expiration date. /s/ Rafael Urquia II 2017-06-28