Item 1A. Risk Factors.

There were no material changes to the risks described in Part I, Item 1A "Risk Factors" in our Annual Report on Form 10-K for the year ended December 31, 2021.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

(a)None

(b)None

(c)Purchases of Equity Securities by the Issuer

In February 2022, our Board of Directors authorized a share repurchase program of up to 20 million shares of our outstanding common stock. The shares may be repurchased from time to time in one or more open market repurchases or privately negotiated transactions, including accelerated share repurchase transactions. The actual timing, number and value of shares repurchased under the program will depend on a number of factors, including the market price of our common stock, general market and economic conditions, applicable legal requirements, compliance with the terms of our outstanding indebtedness and other considerations. There is no assurance as to the number of shares that will be repurchased, and the repurchase program may be suspended or discontinued at any time at our Board of Directors' discretion. This share repurchase authorization replaces the previous share repurchase authorization announced in February 2018.


Period	Total Number of Shares (or Units) Purchased	Average Price Paid per Share (or Unit)		Total Number of Shares (or Units) Purchased as Part of Publicly Announced Repurchase Plans or Programs	Maximum Number of Shares (or Units) that May Yet Be Purchased Under the Plans or Programs
July 1, 2022 - July 31, 2022	—	$	—	—	15,203,974
August 1, 2022 - August 31, 2022	—	—		—	15,203,974
September 1, 2022 - September 30, 2022	25,205	93.20		—	15,203,974
Total	25,205	$	93.20	—

Item 3. Defaults Upon Senior Securities.

None.

Item 4. Mine Safety Disclosures.

Not applicable.

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