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Form SCHEDULE 13G/A TENNANT CO Filed by: MAIRS & POWER INC

May 13, 2026 10:43 AM





Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)




schemaVersion:


SCHEDULE 13G





SCHEDULE 13G



Mairs and Power, Inc.
Signature:Brent M. Williams
Name/Title:Brent M. Williams, CCO
Date:05/13/2026

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SEC Filings