Tennant Co (TNC) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, Tennant's top three insider holders are Chris Killingstad (Director, 152.75K shares), David W. Huml (President And Ceo, 138.56K shares), Fay West (Senior Vp, Cfo, 48.25K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Chris Killingstad 152,752 0 21 Apr, 2021
David W. Huml President And Ceo 65,629 72,930 10 Mar, 2026
Fay West Senior Vp, Cfo 48,253 0 03 Mar, 2026
Richard H. Zay Chief Commercial Officer 34,393 0 03 Mar, 2026
Carol S Eicher 28,836 0 02 Mar, 2026
William F. Austen 26,944 0 11 May, 2021
Kristin A. Erickson Svp, Chro Gc 25,176 0 03 Mar, 2026
Steven Alan Sonnenberg 22,994 0 29 Feb, 2024
Carol E. Mcknight Former, Svp, Chief Admin Offr 21,760 0 30 May, 2023
Donal L Mulligan 19,603 0 08 May, 2025
Barb Balinski Svp, Chief Transf Officer 19,218 0 03 Mar, 2026
Azita Arvani 17,435 0 02 Mar, 2026
Maria C Green 11,219 0 08 May, 2025
Patrick W. Schottler Svp, Chief Mktg Tech Officer 11,150 0 03 Mar, 2026
James T Jr. Glerum 8,600 0 02 Mar, 2026
Donal L Mulligan 0 8,000 02 Mar, 2026
Timothy R. Morse 7,624 0 08 May, 2025
David Windley 7,422 0 02 Mar, 2026
Brock R. Christianson Svp, Chief Hr Officer 6,315 0 25 Feb, 2025
Daniel E. Glusick Svp, Operations 5,940 0 03 Mar, 2022
Andrew P. Hider 5,497 0 08 May, 2025
Mark W Sheahan 2,858 0 08 May, 2025
Patrick E Allen 437 0 02 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
06 Mar, 2026 David W. Huml Common Stock D 26,755 $0.00 65,629 D G
06 Mar, 2026 David W. Huml Common Stock A 26,755 $0.00 72,930 I G
28 Feb, 2026 Barb Balinski Common Stock D 451 $61.03 19,218 D F
28 Feb, 2026 Patrick W. Schottler Common Stock D 194 $61.03 11,150 D F
28 Feb, 2026 Richard H. Zay Common Stock D 840 $61.03 34,393 D F
28 Feb, 2026 Fay West Common Stock D 945 $61.03 48,253 D F
28 Feb, 2026 Kristin A. Erickson Common Stock D 514 $61.03 25,176 D F
28 Feb, 2026 David W. Huml Common Stock D 4,268 $61.03 92,384 D F
26 Feb, 2026 Richard H. Zay Common Stock A 10,399 $0.00 31,397 D A
26 Feb, 2026 Fay West Common Stock A 11,697 $0.00 45,009 D A
26 Feb, 2026 Donal L Mulligan Common Stock A 5,000 $63.86 5,000 I P
26 Feb, 2026 Kristin A. Erickson Common Stock A 6,366 $0.00 22,545 D A
26 Feb, 2026 Barb Balinski Common Stock A 5,579 $0.00 17,050 D A
26 Feb, 2026 Patrick E Allen Common Stock A 437 $0.00 437 D A
26 Feb, 2026 James T Jr. Glerum Common Stock A 437 $0.00 437 D A
27 Feb, 2026 Azita Arvani Common Stock A 3,538 $54.70 20,591 D M
26 Feb, 2026 Patrick W. Schottler Common Stock A 1,537 $0.00 7,377 D A
26 Feb, 2026 Carol S Eicher Common Stock A 3,538 $54.70 31,966 D M
26 Feb, 2026 David Windley Common Stock A 707 $52.42 7,578 D M
26 Feb, 2026 Fay West Common Stock D 3,646 $62.73 41,363 D F