0001104659-15-074205.txt : 20151029 0001104659-15-074205.hdr.sgml : 20151029 20151029181431 ACCESSION NUMBER: 0001104659-15-074205 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20151027 FILED AS OF DATE: 20151029 DATE AS OF CHANGE: 20151029 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Dimension Therapeutics, Inc. CENTRAL INDEX KEY: 0001592288 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 463942159 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 840 MEMORIAL DRIVE STREET 2: 4TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617-401-0011 MAIL ADDRESS: STREET 1: 840 MEMORIAL DRIVE STREET 2: 4TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gupta Rishi CENTRAL INDEX KEY: 0001537370 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37601 FILM NUMBER: 151184904 MAIL ADDRESS: STREET 1: C/O CHEMOCENTRYX, INC. STREET 2: 850 MAUDE AVENUE CITY: MOUNTAIN VIEW STATE: CA ZIP: 94043 4 1 a4.xml 4 X0306 4 2015-10-27 0 0001592288 Dimension Therapeutics, Inc. DMTX 0001537370 Gupta Rishi C/O DIMENSION THERAPEUTICS, INC. 840 MEMORIAL DRIVE, 4TH FLOOR CAMBRIDGE MA 02139 1 0 1 0 Common Stock 2015-10-27 4 C 0 3250085 A 3250085 I See Footnotes Common Stock 2015-10-27 4 C 0 1947613 A 5197698 I See Footnotes Common Stock 2015-10-27 4 P 0 200000 13 A 5397698 I See Footnotes Series A Preferred Stock 2015-10-27 4 C 0 9500000 D Common Stock 3250085 0 I See Footnotes Series B Preferred Stock 2015-10-27 4 C 0 5692874 D Common Stock 1947613 0 I See Footnotes The Series A Preferred Stock automatically converted into Common Stock, for no additional consideration, on a 2.923-for-1 basis at the closing of the Issuer's initial public offering, and had no expiration date. The Series B Preferred Stock automatically converted into Common Stock, for no additional consideration, on a 2.923-for-1 basis at the closing of the Issuer's initial public offering, and had no expiration date. These securities are held of record by OrbiMed Private Investments V, LP ("OPI V"). OrbiMed Capital GP V LLC ("GP V") is the sole general partner of OPI V. OrbiMed Advisors LLC ("Advisors") is the managing member of GP V. Samuel D. Isaly ("Isaly"), a natural person, is the managing member of and owner of a controlling interest in Advisors. By virtue of such relationships, GP V, Advisors and Isaly may be deemed to have voting and investment power over the securities held by OPI V and as a result may be deemed to have beneficial ownership over such securities. The Reporting Person is an employee of Advisors. Each of GP V, Advisors, Isaly, and the Reporting Person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose. /s/ Mary Thistle, as Attorney-in-Fact for Rishi Gupta 2015-10-29