X0609 4 2026-11-05 0 0001809104 Alight, Inc. / Delaware ALIT 0001348380 Massey Richard N false C/O ALIGHT, INC. 510 LAKE COOK ROAD, SUITE 400 DEERFIELD IL 60015 1 0 0 0 0 Class A Common Stock 2026-11-05 4 S 0 25000 12.1071 D 71016 D Class A Common Stock 5000 I By Limited Partnership The sales reported in this Form 4 were effected by the reporting person for personal tax and financial planning purposes. The price represents the weighted average price of the shares sold. The shares were sold within a range of $12.08 to $12.245. The reporting person will provide, upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each separate price. Includes restricted stock units scheduled to vest in the future. /s/ John A. Mikowski, Deputy General Counsel and Assistant Corporate Secretary, as Attorney-in-Fact 2026-11-06