SEC Form 4 · accession 0000315066-15-003188
Dimension Therapeutics, Inc. · DMTX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Oct 27, 2015 | C | 5,131,713 | — | A | 5,371,192 | I | Beacon Bioventures Fund III Limited Partnership |
| Common StockF1 | Oct 27, 2015 | C | 1,628,914 | — | A | 7,000,106 | I | Beacon Bioventures Fund III Limited Partnership |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Series A Preferred StockF1 | — | Oct 27, 2015 | C | 15,000,000 | A | — | — | Common Stock | 5,131,713 | 0 | I |
| Series B Preferred StockF1 | — | Oct 27, 2015 | C | 4,761,313 | A | — | — | Common Stock | 1,628,914 | 0 | I |
Explanation of responses
- F1On October 27, 2015, in connection with the completion of the issuer's initial public offering, each share of Series A and Series B Preferred Stock converted into 0.342114 shares of Common Stock.
Remarks
Remark 1: Edward C. Johnson 3d is a Director and the Chairman of FMR LLC and Abigail P. Johnson is a Director, the Vice Chairman, the Chief Executive Officer and the President of FMR LLC. Members of the family of Edward C. Johnson 3d, including Abigail P. Johnson, are the predominant owners, directly or through trusts, of Series B voting common shares of FMR LLC, representing 49% of the voting power of FMR LLC. The Johnson family group and all other Series B shareholders have entered into a shareholders' voting agreement under which all Series B voting common shares will be voted in accordance with the majority vote of Series B voting common shares. Accordingly, through their ownership of voting common shares and the execution of the shareholders' voting agreement, members of the Johnson family may be deemed, under the Investment Company Act of 1940, to form a controlling group with respect to FMR LLC. The address of Edward C. Johnson 3d and Abigail P. Johnson is c/o FMR LLC, 245 Summer Street, Boston, MA 02110. Remark 2: Beacon Bioventures Advisors Fund III Limited Partnership is the general partner of Beacon Bioventures Fund III Limited Partnership. Beacon Bioventures Advisors Fund III Limited Partnership is solely managed by Impresa Management LLC, its general partner and investment manager. Impresa Management LLC is owned, directly or indirectly, by various shareholders and employees of FMR LLC, including certain members of the family of Edward C. Johnson 3d.