Novartis AG — Director's Dealing 2018

Jul 31, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AILERON THERAPEUTICS INC (ALRN)
CIK: 0001420565
Period of Report: 2018-07-27

Reporting Person: Novartis Bioventures Ltd (10% Owner)
Reporting Person: NOVARTIS AG (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-07-27	Common Stock	S	6458	$3.38	Disposed	2473227	Direct
2018-07-30	Common Stock	S	2000	$3.27	Disposed	2471227	Direct

Footnotes

F1: Reflects sales of common stock executed in multiple transactions at prices ranging from $3.36 to $3.50. The price reported reflects the weighted average sale price. The Reporting Persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the sales were effected.

F2: The shares are directly owned by Novartis Bioventures Ltd. Novartis Bioventures Ltd is a wholly-owned indirect subsidiary of Novartis AG, which is an indirect beneficial owner of the reported securities.

F3: Reflects sales of common stock executed in multiple transactions at prices ranging from $3.14 to $3.30. The price reported reflects the weighted average sale price. The Reporting Persons hereby undertake to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the sales were effected.