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( Mark One ) ☑ ☐ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - Q Quarterly Report Pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 For the quarterly period ended September 30 , 2021 or Transition Report Pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 For the transition period from Delaware Commission File No. 1-13998 ༴ Insperity Insperity , Inc. to ( Exact name of registrant as specified in its charter ) ( State or other jurisdiction of incorporation or organization ) 76-0479645 ( I.R.S. Employer Identification No. ) 19001 Crescent Springs Drive Kingwood , Texas 77339 ( Address of principal executive offices ) ( Registrant's Telephone Number , Including Area Code ) : ( 281 ) 358-8986 Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Common Stock , $ .01 par value per share Ticker symbol ( s ) NSP Name of each exchange on which registered New York Stock Exchange Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes > No □ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes > No ☐ Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , smaller reporting company or an emerging growth company . See definition of “ large accelerated filer , ” “ accelerated filer " , " non- accelerated filer ” , “ smaller reporting company " and " emerging growth company ” in Rule 12b - 2 of the Exchange Act . Large accelerated filer Non - accelerated filer Smaller reporting company ☑ ☐ Accelerated filer Emerging growth company ☐ If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . ☐