Tennant Company

Last updated September 27, 2026

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Organization details

Legal name: Tennant Company
Ownership: Public
Status: Active
Sector (GICS): Industrials
SIC code: 3580 — Refrigeration & Service Industry Machinery
Jurisdiction of incorporation: Minnesota
Headquarters city: Eden Prairie
Headquarters state / province: Minnesota
Headquarters country: United States
Fiscal year end: December
Ticker symbol: TNC
Primary stock exchange: NYSE

Identifiers

SEC CIK: 0000097134
EIN: 41-0572550

Board of directors

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Andrew P. Hider · Director
Since 2023
Azita Arvani · Director
Since 2023
Carol S. Eicher · Director
Since 2023
David W. Huml · Director · PRESIDENT AND CEO
Since 2023
David Windley · Director
Since 2023
Donal L. Mulligan · Director
Since 2023
James T. Glerum Jr. · Director
Since 2026
Maria C. Green · Director
Since 2023
Mark W. Sheahan · Director
Since 2024
Patrick E. Allen · Director
Since 2026
Steven Alan Sonnenberg · Director
Since 2023
Timothy R. Morse · Director
Since 2023

Chief executives

David W. Huml · PRESIDENT AND CEO

Dates unknown

Director election results

Annual meeting of April 29, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

11 of this board's directors also sit on 17 other boards. 7 are in the same sector.

Shared director Other board Same sector +1 more in the list below

Alliant Energy Corporation
via Patrick E. Allen
Amcor plc
via James T. Glerum Jr.
Arq Inc.
via Carol S. Eicher
Arxis Inc. Same sector
via Patrick E. Allen
Baxter International Inc.
via Andrew P. Hider
DHI Group Inc. Same sector
via David Windley
Energizer Holdings Inc. Same sector
via Donal L. Mulligan
Graco Inc. Same sector
via Mark W. Sheahan
Herbalife Ltd.
via Donal L. Mulligan
Littelfuse Inc. Same sector
via Maria C. Green
Midera Food Processing Inc. Same sector
via James T. Glerum Jr.
Pinnacle West Capital Corporation
via Carol S. Eicher
Sensata Technologies Holding plc
via Steven Alan Sonnenberg
Steel Dynamics Inc.
via Steven Alan Sonnenberg
The Toro Company Same sector
via David W. Huml
Vuzix Corporation
via Azita Arvani
WEC Energy Group Inc.
via Maria C. Green

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months: $2,110,912; 9 purchases by 5 insiders
Sold, last 12 months: $1,228,812; 4 sales by 4 insiders

Date	Insider	Transaction	Shares	Price	Value
Aug 31, 2026	Patrick E. Allen Director	Open-market purchase	+3,000	$69.42	$208,260
Aug 12, 2026	Timothy R. Morse Director	Open-market purchase	+1,500	$68.18	$102,270
Aug 12, 2026	Donal L. Mulligan Director	Open-market purchase	+8,000	$67.34	$538,720
Aug 10, 2026	Schottler Patrick W. Officer (SVP, Robotics)	Grant or award	+2,707	—	—
Aug 10, 2026	Zay Richard H. Officer (SVP, COO)	Grant or award	+2,707	—	—
May 7, 2026	Zay Richard H. Officer (CHIEF COMMERCIAL OFFICER)	Open-market sale	−6,875	$88.02	$605,138
May 7, 2026	Azita Arvani Director	Grant or award	+1,490	—	—
May 7, 2026	Patrick E. Allen Director	Grant or award	+1,490	—	—
May 7, 2026	Carol S. Eicher Director	Grant or award	+1,490	—	—
May 7, 2026	James T. Glerum Jr. Director	Grant or award	+1,490	—	—
May 7, 2026	Maria C. Green Director	Grant or award	+1,490	—	—
May 7, 2026	Andrew P. Hider Director	Grant or award	+1,490	—	—
May 7, 2026	Timothy R. Morse Director	Grant or award	+1,490	—	—
May 7, 2026	Mark W. Sheahan Director	Grant or award	+1,490	—	—
May 7, 2026	David Windley Director	Grant or award	+1,490	—	—

Peers

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Questions about Tennant Company

Who is the CEO of Tennant Company?

David W. Huml is Tennant Company's PRESIDENT AND CEO.

How many directors are on Tennant Company's board?

Tennant Company's board has 12 directors: Andrew P. Hider, Azita Arvani, Carol S. Eicher, David W. Huml, David Windley, Donal L. Mulligan, James T. Glerum Jr., Maria C. Green, Mark W. Sheahan, Patrick E. Allen and 2 others.

Are Tennant Company insiders buying or selling shares?

Over the last 12 months, Tennant Company insiders bought $2.1 million of shares in 9 purchases and sold $1.2 million of shares in 4 sales on the open market, as reported to the SEC on Forms 4 and 5.

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