COLLEGIUM PHARMACEUTICAL, INC 10-K

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities Market Information Our common stock is publicly traded on the NASDAQ Global Select Market under the symbol “COLL” since May 7, 2015. Prior to May 7, 2015, there was no public trading market for our common stock. Holders As of January 31, 2021, there were 24 holders of record of our common stock. The number of holders of record does not include beneficial owners whose shares are held by nominees in street name. Dividends We have never declared or paid cash dividends on our common stock, and we do not expect to pay any cash dividends on our common stock in the foreseeable future. Stock Performance Graph The following graph shows a comparison from May 7, 2015, the date on which our common stock first began trading on the NASDAQ Global Select Market, of the total cumulative shareholder return on an assumed investment of $100.00 in cash in our common stock as compared to the same investment in the NASDAQ Composite Index and the NASDAQ Biotechnology Index, all through December 31, 2020. Such returns are based on historical results and are not intended to 36 Table of Contents suggest future performance. Data for the NASDAQ Composite Index and NASDAQ Biotechnology Index assume reinvestment of dividends, however no dividends have been declared on our common stock to date. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, December 31, $100 investment in stock or index ​ May 7, 2015 2019 2020 Collegium Pharmaceutical, Inc. (COLL) ​ $ 100.00 $ 167.45 $ 162.98 NASDAQ Composite Index (IXIC) ​ $ 100.00 $ 181.43 $ 260.60 NASDAQ Biotechnology Index (NBI) ​ $ 100.00 $ 105.13 $ 132.14 ​ The performance graph and related information shall not be deemed to be “soliciting material” or to be “filed” with the SEC, nor shall such information be incorporated by reference into any future filing under the Securities Act, except to the extent that we specifically incorporate it by reference into such filing. Recent Sales of Unregistered Securities There were no unregistered sales of equity securities during the period covered by this Form 10-K. ​ 37 Table of Contents Purchases of Equity Securities by the Issuer and Affiliated Purchasers ​ The following table sets forth purchases of our common stock for the three months ended December 31, 2020: ​ ​ ​ ​ ​ ​ ​ Period (a) Total number of shares purchased (1) (b) Average Price Paid per Share (c) Total number of shares purchased as part of publicly announced plans or programs (d) Maximum number of shares that may yet be purchased under the plans or programs October 1, 2020 through October 31, 2020 — $ — — — November 1, 2020 through November 30, 2020 4,672 $ 18.49 — — December 1, 2020 through December 31, 2020 — $ — — — Total 4,672 $ 18.49 — — (1) All of the shares were transferred to us from employees in satisfaction of minimum tax withholding obligations associated with the vesting of restricted stock units during the period. Item 6. Selected Financial Data ​ Not applicable. ​