Show all First Quarter 2024 Q1 2024 Kelly Services, Inc. Earnings Webcast Proxy Statements Filing Date Form View April 4, 2008 DEF 14A 0000950124-08-001758.pdf 0000950124-08-001758.rtf 0000950124-08-001758.xls View HTML Form 10-Q Filing Date Form View August 11, 2010 10-Q 0000950123-10-076171.pdf 0000950123-10-076171.rtf 0000950123-10-076171.xls View HTML May 18, 1999 10-Q 0000889697-99-000101.pdf 0000889697-99-000101.rtf 0000889697-99-000101.xls View HTML Form 10-K Filing Date Form View February 20, 2018 10-K View HTML 0000055135-18-000006.pdf 0000055135-18-000006.rtf 0000055135-18-000006.xls EX-101.INS - XBRL INSTANCE DOCUMENT February 22, 2005 10-K View HTML 0001193125-05-033771.pdf 0001193125-05-033771.rtf 0001193125-05-033771.xls