[SCHEDULE 13G/A] TENNANT CO Amended Passive Investment Disclosure

Rhea-AI Filing Summary

Tennant Company ownership disclosure: Mairs and Power, Inc. reports beneficial ownership of 789,895 shares of Tennant Company common stock, representing 4.4% of the class. The filing is an Amendment No. 9 to a Schedule 13G/A.

The report states Mairs and Power has sole voting power over 789,760 shares and sole dispositive power over 789,895 shares. The signature block shows the form was signed by Brent M. Williams on 05/13/2026.

Insights

Institutional Ownership Analyst

Mairs and Power holds a passive sub-5% stake in Tennant Company.

The filing is a Schedule 13G/A amendment reporting beneficial ownership of 789,895 shares or 4.4% of common stock as of the amendment. The paper shows sole voting and dispositive power figures consistent with direct control by the filer.

Because the position is below 5%, this is a routine institutional ownership disclosure; subsequent filings would reveal increases or reductions.

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 9)

TENNANT COMPANY

(Name of Issuer)

Common Stock, par value $0.375 per share

(Title of Class of Securities)

880345103

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

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

CUSIP Number(s): 880345103

1

Names of Reporting Persons

Mairs and Power, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

MINNESOTA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 789,760.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 789,895.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

789,895.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

4.4 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: TENNANT COMPANY
(b)	Address of issuer's principal executive offices: 10400 Clean Street, Eden Prairie, MN 55344
Item 2.
(a)	Name of person filing: Mairs and Power, Inc.
(b)	Address or principal business office or, if none, residence: 30 East 7th Street, Suite 2500, St. Paul, MN 55101
(c)	Citizenship: Minnesota
(d)	Title of class of securities: Common Stock, par value $0.375 per share
(e)	CUSIP No.: 880345103
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 789,895
(b)	Percent of class: 4.4%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 789,760
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 789,895
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Mairs and Power, Inc.

Signature:	Brent M. Williams
Name/Title:	Brent M. Williams, CCO
Date:	05/13/2026