Item 5. Market for Registrant’s Common Equity
ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES
Market Information
Our common stock is traded on the NYSE under the symbol "IPI". As of February 24, 2021, we had 65 record holders of our common stock based upon information provided by our transfer agent.
Performance Graph—Comparison of Cumulative Return
The graph below compares the cumulative total stockholder return on our common stock with the cumulative total stockholder return on the S&P 500 Index, the Dow Jones U.S. Basic Materials Index, and a peer group for the period beginning on December 31, 2015, through December 31, 2020, assuming an initial investment of $100 and the reinvestment of dividends. The peer group consisted of Potash Corporation of Saskatchewan Inc., The Mosaic Company, Compass Minerals International, Inc., and Agrium Inc. for the period beginning on December 31, 2015, through December 31, 2017, and The Mosaic Company, Compass Minerals International, Inc., and Nutrien Ltd. from January 1, 2018, through December 31, 2020. On January 1, 2018, Potash Corporation of Saskatchewan Inc. and Agrium Inc. merged to form Nutrien Ltd.
IPI Peer Group S&P 500 Dow Jones U.S. Basic Materials
December 31, 2015 $ 100.00 $ 100.00 $ 100.00 $ 100.00
December 31, 2016 $ 70.51 $ 117.03 $ 111.96 $ 120.27
December 31, 2017 $ 161.36 $ 131.63 $ 136.40 $ 150.45
December 31, 2018 $ 88.14 $ 121.62 $ 130.42 $ 126.12
December 31, 2019 $ 91.86 $ 119.68 $ 171.49 $ 151.03
December 31, 2020 $ 81.86 $ 129.54 $ 203.04 $ 178.71
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Dividends
We currently intend to retain earnings to reinvest for future operations and growth of our business and do not anticipate paying any cash dividends on our common stock. However, our board of directors, in its discretion, may decide to declare a dividend at an appropriate time in the future, subject to the terms of our debt agreements. A decision to pay a dividend would depend upon, among other factors, our results of operations, financial condition, and cash requirements and the terms of our debt agreements at the time a payment is considered.
Purchases of Equity Securities by the Issuer
Issuer Purchases of Equity Securities
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 (or Approximate Dollar Value) of Shares that May Yet Be Purchased Under the Plan or Programs
October 1, 2020, through October 31, 2020 — — – N/A
November 1, 2020, through November 30, 2020 8,665 $8.76 – N/A
December 1, 2020, through December 31, 2020 — — – N/A
Total 8,665 $8.76 — N/A
1 Represents shares of common stock withheld by us as payment of withholding taxes due upon the vesting of restricted stock held by our employees.
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ITEM 6. SELECTED FINANCIAL DATA
Financial information related to fiscal years ended December 31, 2017 and 2016 may be found in Part II, Item 6. Selected Financial Data in our Annual Report on Form 10-K for the fiscal year ended December 31, 2019, filed with the SEC on March 3, 2020. Please refer to the consolidated financial statements included herein in Part II, Item 8. Financial Statements and Supplementary Data for information with respect to the fiscal years December 31, 2020, 2019, and 2018.
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