<SEC-DOCUMENT>0000899243-17-017838-index.html : 20170705
<SEC-HEADER>0000899243-17-017838.hdr.sgml : 20170705
<ACCEPTANCE-DATETIME>20170705180521
ACCESSION NUMBER:		0000899243-17-017838
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:			NOVARTIS AG
		CENTRAL INDEX KEY:			0001114448
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		STATE OF INCORPORATION:			V8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38130
		FILM NUMBER:		17949652

	BUSINESS ADDRESS:	
		STREET 1:		LICHTSTRASSE 35
		CITY:			BASEL
		STATE:			V8
		ZIP:			CH 4056
		BUSINESS PHONE:		01141613241111

	MAIL ADDRESS:	
		STREET 1:		LICHTSTRASSE 35
		CITY:			BASEL
		STATE:			V8
		ZIP:			CH 4056

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Novartis Bioventures Ltd
		CENTRAL INDEX KEY:			0001297709
		STATE OF INCORPORATION:			D0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38130
		FILM NUMBER:		17949653

	BUSINESS ADDRESS:	
		STREET 1:		C/O NOVARTIS INTERNATIONAL AG
		STREET 2:		WSJ-200.220
		CITY:			CH-4002 BASEL
		STATE:			V8
		ZIP:			0000000000
		BUSINESS PHONE:		41-61-324-6210

	MAIL ADDRESS:	
		STREET 1:		C/O NOVARTIS INTERNATIONAL AG
		STREET 2:		WSJ-200.220
		CITY:			CH-4002 BASEL
		STATE:			V8
		ZIP:			0000000000
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html

Document 1 - RAW XML: doc4.xml

</DOCUMENT>
</SEC-DOCUMENT>