COGENT COMMUNICATIONS HOLDINGS, INC. 10-K

ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES Our sole class of common equity is our common stock, par value $0.001, which is currently traded on the NASDAQ Global Select Market under the symbol “CCOI.” Prior to March 6, 2006, our common stock traded on the American Stock Exchange under the symbol “COI.” Prior to February 5, 2002, no established public trading market for our common stock existed. As of February 1, 2024, there were 112 holders of record of shares of our common stock holding 47,425,367 shares of our common stock. Performance Graph Our common stock currently trades on the NASDAQ Global Select Market. The chart below compares the relative changes in the cumulative total return of our common stock for the period from December 31, 2018 to December 31, 2023, against the cumulative total return for the same period of the (1) The Standard & Poor’s 500 (S&P 500) Index and (2) the NASDAQ Telecommunications Index. The comparison below assumes $100 was invested on December 31, 2018 in our common stock, the S&P 500 Index and the NASDAQ Telecommunications Index, with dividends, if any, reinvested. ​ Page 32 of 90 Table of Contents ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 12/18 12/19 12/20 12/21 12/22 12/23 Cogent Communications Holdings $ 100.00 $ 151.89 $ 143.88 $ 183.76 $ 152.19 ​ $ 214.92 S&P 500 ​ 100.00 ​ 131.49 ​ 155.68 ​ 200.37 ​ ​ 164.08 ​ ​ 207.21 NASDAQ Telecommunications ​ 100.00 ​ 118.74 ​ 130.71 ​ 133.51 ​ 97.62 ​ ​ 108.00 ​ The stock price performance included in this graph is not necessarily indicative of future stock price performance. Issuer Purchases of Equity Securities Our Board of Directors authorized a plan to permit the repurchase of up to $50.0 million of our common stock in negotiated and open market transactions through December 31, 2024. As of December 31, 2023, $30.4 million remained available for such negotiated and open market transactions concerning our common stock. We may purchase shares from time to time depending on market, economic, and other factors. We did not purchase shares of our common stock during the year ended December 31, 2023. ​ Page 33 of 90 Table of Contents