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Table of Contents 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 25 , 2021 OR □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 0-22684 UFP INDUSTRIES , INC . ( Exact name of registrant as specified in its charter ) Michigan ( State or other jurisdiction of incorporation or 38-1465835 ( I.R.S. Employer Identification Number ) organization ) 2801 East Beltline NE , Grand Rapids , Michigan ( Address of principal executive offices ) Registrant's telephone number , including area code ( 616 ) 364-6161 NONE 49525 ( Zip Code ) ( Former name or former address , if changed since last report . ) Indicate by checkmark 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 ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes + No □ Indicate by checkmark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of “ large accelerated filer , ” “ accelerated filer " , " smaller reporting company ” , and “ emerging growth company ” in Rule 12b - 2 of the Exchange Act . Smaller Large Accelerated Filer Reporting Accelerated Filer □ Non - Accelerated Filer ☐ Company □ 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 a new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . Indicate by checkmark whether the registrant is a shell company ( as defined by Rule 12b - 2 of the Exchange Act ) . Yes □ No ☑ Indicate the number of shares outstanding of each of the issuer's classes of common stock , as of the latest practicable date : Outstanding as of September 25 , 2021 61,887,770 Class Common stock , $ 1 par value Title of Each Class Common Stock , no par value Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol UFPI Name of Each Exchange On Which Registered The Nasdaq Stock Market , LLC