Hi and welcome to the board,
if CIK and date in columns A and B on sheet 1 and also on sheet 2 this formula should help

=IF((SUMPRODUCT(--(Sheet2!A2:A9=Sheet1!A2);--(Sheet2!B2:B9>=(Sheet1!B2)-60)))>=1;"found";"")

Replace ; with , if needed

Adapt the ranges to your needs