Aclaris Therapeutics, Inc. — Director's Dealing 2016

Oct 20, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Aclaris Therapeutics, Inc. (ACRS)
CIK: 0001557746
Period of Report: 2016-10-19

Reporting Person: FMR LLC (10% Owner, See Remark 1)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-10-19	Common Stock	J	84223	—	Disposed	2575104	Indirect

Footnotes

F1: F-Prime Capital Partners Healthcare Fund III LP (FPCPH) made a pro-rata distribution to its partners, without payment of consideration, of 114,128 shares of Aclaris Therapeutics Inc. previously reported by FMR LLC. FPCPH distributed 17,079 shares to Impresa Fund III Limited Partnership (IFLP), 87,851 shares to F-Prime Capital Partners Healthcare Advisors Fund III LP (FPCPHA) and 9,198 shares to a recipient whose shares are not subject to reporting by the undersigned (an Other Recipient). FPCPHA made a pro-rata distribution to its partners, without payment of consideration, of 8,542 shares to F-Prime Inc., a wholly-owned subsidiary of FMR LLC, and 70,544 shares to Other Recipients. Finally, F-Prime Inc. made a distribution, without payment of consideration, of 4,481 shares to Other Recipients. As a result, FPCPH beneficially owns 456,514 shares, FPCPHA beneficially owns 8,765 shares, IFLP beneficially owns 2,103,015 shares and F-Prime Inc. beneficially owns 6,810 shares.