Item 1A. RISK FACTORS

For a discussion of our risk factors, see Part I, Item 1A. “Risk Factors” of our Annual Report on Form 10-K for the year ended December 31, 2022 and Part II, Item 1A. “Risk Factors” of our Quarterly Report on Form 10-Q for the quarter ended March 31, 2023.

ITEM 2—UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Information about the shares of our common stock that we repurchased during the quarter ended June 30, 2023 is set forth below:


Period	Total Number of Shares Purchased (1)	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number (or Approximate Dollar Value) of Shares that May Yet Be Purchased Under the Plans or Programs (2)
					(in millions)
April 1-30, 2023	901,486	$	107.01	887,385	$	—
May 1-31, 2023	670,638	98.07		668,041	—
June 1-30, 2023	496,122	99.82		450,590	—
Total	2,068,246	$	103.35	2,006,016	$	1,090.2

(1)Our board of directors has authorized us to repurchase shares of our common stock through any combination of Rule 10b5-1 open-market repurchase plans, accelerated share repurchase plans, discretionary open-market purchases or privately negotiated transactions. During the quarter ended June 30, 2023, pursuant to our employee incentive plans, we withheld 62,230 shares, at an average price per share of $100.70, in order to satisfy employees' tax withholding and payment obligations in connection with the vesting of awards of restricted stock.

(2)As of June 30, 2023, the remaining amount available under our share repurchase program was $1,090.2 million. The authorizations by our board of directors do not expire but could be revoked at any time. In addition, we are not required by the board’s authorization or otherwise to complete any repurchases by any specific time or at all.

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