0000899243-17-017898.txt : 20170705 0000899243-17-017898.hdr.sgml : 20170705 20170705202827 ACCESSION NUMBER: 0000899243-17-017898 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170705 FILED AS OF DATE: 20170705 DATE AS OF CHANGE: 20170705 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: Platt Jon B. CENTRAL INDEX KEY: 0001618173 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38130 FILM NUMBER: 17950603 MAIL ADDRESS: STREET 1: 393 ARBOR STREET CITY: LUNENBERG STATE: MA ZIP: 01462 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2017-07-05 1 0001420565 AILERON THERAPEUTICS INC ALRN 0001618173 Platt Jon B. C/O TERRIE LOOTENS HYDE ON THE LINE COMPANY, 393 ARBOR STREET LUNENBERG MA 01462 0 0 1 0 Common Stock 2017-07-05 4 C 0 90218 A 90318 D Series C-2 Preferred Stock 2017-07-05 4 C 0 211930 0.00 D Common Stock 21327 0 D Series D Preferred Stock 2017-07-05 4 C 0 127158 0.00 D Common Stock 12796 0 D Series E Preferred Stock 2017-07-05 4 C 0 298500 0.00 D Common Stock 30039 0 D Series E-1 Preferred Stock 2017-07-05 4 C 0 258912 0.00 D Common Stock 26055 0 D The Series C-2, Series D, Series E and Series E-1 Preferred Stock converted into Common Stock on a 9.937-for-one-basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series C-2, Series D, Series E and Series E-1 Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date. /s/ Jon B. Platt 2017-07-05