144 0001593839 XXXXXXXX LIVE 0001810019 Rackspace Technology, Inc. 001-39420 19122 US HIGHWAY 281N SUITE 128 SAN ANTONIO TX 78258-7667 1-800-961-4454 SINHA DHARMENDRA KUMAR Officer Common Stock Morgan Stanley Smith Barney LLC

1 New York Plaza 8th Floor New York NY 10004

155000 164300.00 243592120 11/28/2025 NASDAQ Common Stock 11/28/2025 vesting of restricted stock units Issuer N 283935 11/28/2025 not applicable (securities acquired in connection with vesting of restricted stock units) Y estimated shares to be sold for the purpose of satisfying tax withholding obligations in connection with the vesting of restricted stock units previously granted to the reporting person. 11/28/2025 09/14/2023 /s/ Sarah Alexander, as power of attorney for Dharmendra Kumar Sinha