0001144204-15-059087.txt : 20151013 0001144204-15-059087.hdr.sgml : 20151012 20151013093401 ACCESSION NUMBER: 0001144204-15-059087 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20151007 FILED AS OF DATE: 20151013 DATE AS OF CHANGE: 20151013 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Aclaris Therapeutics, Inc. CENTRAL INDEX KEY: 0001557746 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 460571712 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: SUITE 400, 101 LINDENWOOD DRIVE CITY: MALVERN STATE: PA ZIP: 19355 BUSINESS PHONE: 484-321-5554 MAIL ADDRESS: STREET 1: SUITE 400, 101 LINDENWOOD DRIVE CITY: MALVERN STATE: PA ZIP: 19355 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Kolchinsky Peter CENTRAL INDEX KEY: 0001384859 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37581 FILM NUMBER: 151154855 MAIL ADDRESS: STREET 1: 20 PARK PLAZA, SUITE 1200 CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: RA CAPITAL MANAGEMENT, LLC CENTRAL INDEX KEY: 0001346824 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37581 FILM NUMBER: 151154856 BUSINESS ADDRESS: STREET 1: 20 PARK PLAZA, SUITE 1200 CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-778-2500 MAIL ADDRESS: STREET 1: 20 PARK PLAZA, SUITE 1200 CITY: BOSTON STATE: MA ZIP: 02116 4 1 v422054_4.xml OWNERSHIP DOCUMENT X0306 4 2015-10-07 0 0001557746 Aclaris Therapeutics, Inc. ACRS 0001346824 RA CAPITAL MANAGEMENT, LLC 20 PARK PLAZA, SUITE 1200 BOSTON MA 02116 0 0 1 0 0001384859 Kolchinsky Peter 20 PARK PLAZA, SUITE 1200 BOSTON MA 02116 0 0 1 0 Common Stock 2015-10-07 4 P 0 938041 10.6605 A 938041 I See Footnote 1 Common Stock 2015-10-07 4 P 0 1250000 11.00 A 2188041 I See Footnote 1 Common Stock 2015-10-07 4 P 0 27398 11.00 A 2215439 I See Footnote 1 Common Stock 2015-10-08 4 P 0 21691 10.9979 A 2237130 I See Footnote 1 The Adviser and Mr. Kolchinsky disclaim beneficial ownership of the reported securities for purposes of Rule 16a-1(a)(1) under the Exchange Act in reliance on Rule 16a-1(a)(1)(v) and (vii), respectively, and therefore disclaim any obligation to report ownership of or transactions in the reported securities under Section 16a of the Exchange Act. The filing of this Form 4 shall not be construed as an admission that either the Adviser or Mr. Kolchinsky is or was, for purposes of Section 16 of the Securities Exchange Act of 1934, the beneficial owner of any of the securities reported herein. The reported securities are owned by RA Capital Healthcare Fund, L.P. (the "Fund") and an account owned by Blackwell Partners, LLC (the "Blackwell Account"). Following the reported transactions, the Fund held 1,871,841 shares and the Blackwell Account held 365,289 shares. RA Capital Management, LLC (the "Adviser") is the general partner of the Fund and the investment adviser of the Blackwell Account. Peter Kolchinsky is the sole manager of the Adviser. In their respective capacities, each of Mr. Kolchinsky and the Adviser may be deemed to beneficially own the reported securities for purposes of Section 13(d) of the Exchange Act. /s/ Peter Kolchinsky Manager of RA Capital Management, LLC 2015-10-12 /s/ Peter Kolchinsky Individually 2015-10-12