Item 1A. Risk Factors.

Our Annual Report on Form 10-K for the year ended December 31, 2020 includes "Risk Factors" under Item 1A of Part I. There have been no material changes from the updated risk factors described in our Form 10-K.

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

Purchases of Equity Securities by the Issuer

The following table presents Charter’s purchases of equity securities completed during the third quarter of 2021 (dollars in millions, except per share amounts):

(1)Includes 15,614, 174,028 and 32,268 shares withheld from employees for the payment of taxes and exercise costs upon the exercise of stock options or vesting of other equity awards for the months of July, August and September 2021, respectively.

(2)During the three months ended September 30, 2021, Charter purchased approximately 4.7 million shares of its Class A common stock for approximately $3.6 billion, which includes 1.2 million Charter class A common shares purchased from Liberty Broadband pursuant to the LBB Letter Agreement at an average price per unit of $733.20, or $0.9 billion. Charter Holdings purchased 0.6 million Charter Holdings common units from A/N at an average price per unit of $724.50, or $410 million, during the three months ended September 30, 2021. As of September 30, 2021, Charter had remaining board authority to purchase an additional $1.5 billion of Charter’s Class A common stock and/or Charter Holdings common units. In addition to open market purchases including pursuant to Rule 10b5-1 plans adopted from time to time, Charter may also buy shares of Charter Class A common stock, from time to time, pursuant to private transactions outside of its Rule 10b5-1 plan and any such repurchases may also trigger the repurchases from A/N pursuant to and to the extent provided in the A/N Letter Agreement or Liberty Broadband pursuant to the LBB Letter Agreement.