Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

The following table sets forth the reported high and low sales prices of our Common Stock for the quarters indicated as traded at the New York Stock Exchange. Our Common Stock is traded under the symbol FIX:

As of February 16, 2017 there were approximately 263 stockholders of record of our Common Stock, and the last reported sale price on that date was $34.05 per share.

We expect to continue paying cash dividends quarterly, although there is no assurance as to future dividends because they depend on future earnings, capital requirements, and financial condition. In addition, our revolving credit agreement may limit the amount of dividends we can pay at any time that our Net Leverage Ratio exceeds 1.0.

The following Corporate Performance Graph and related information shall not be deemed “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 or the Exchange Act, except to the extent that we specifically incorporate it by reference into such filing.

COMPARISON OF 5 YEAR CUMULATIVE TOTAL RETURN*

Among Comfort Systems USA, Inc., the S&P 500 Index, and the Russell 2000 Index

*$100 invested on 12/31/11 in stock or index, including reinvestment of dividends.

Fiscal year ending December 31.

Copyright© 2017 S&P, a division of McGraw Hill Financial. All rights reserved.

Copyright© 2017 Russell Investment Group. All rights reserved.

Recent Sales of Unregistered Securities

None.

Issuer Purchases of Equity Securities

On March 29, 2007, our Board of Directors (the “Board”) approved a stock repurchase program to acquire up to 1.0 million shares of our outstanding common stock. Subsequently, the Board has from time to time approved extensions of the program to acquire additional shares. On August 11, 2016, the Board approved an extension to the program by increasing the shares authorized for repurchase by 0.6 million shares. Since the inception of the repurchase program, the Board has approved 8.1 million shares to be repurchased. As of December 31, 2016, we have repurchased a cumulative total of 7.3 million shares at an average price of $13.02 per share under the repurchase program.

The share repurchases will be made from time to time at our discretion in the open market or privately negotiated transactions as permitted by securities laws and other legal requirements, and subject to market conditions and other factors. The Board may modify, suspend, extend or terminate the program at any time. During the twelve months ended December 31, 2016, we repurchased 0.5 million shares for approximately $13.1 million at an average price of $28.44 per share.

During the year ended December 31, 2016, we purchased our common shares in the following amounts at the following weighted‑average prices: