SEC Form 4 · Updated Daily

TNC

— TENNANT COMPANY Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

Financials Ownership

Current Reporting Owners

Owner	Role	Shares Owned	As Of	Last Activity
KILLINGSTAD CHRIS	Director	155,264	2021-04-20	M
DOLAN JANET M	Director	90,448.85	2005-12-31	F
Huml David W.	Director · Officer	72,930	2026-03-06	G
West Fay	Officer	48,253	2026-02-28	F
SHANK STEPHEN G	Director	40,810	2016-11-02	M
PAULSON THOMAS	Director	40,007	2018-08-09	M
McKnight Carol E.	Officer	37,759	2023-05-26	M
Huijser Karel	Officer	35,333	2011-03-09	M
HALE JAMES T	Director	33,158	2016-02-18	M
Sonnenberg Steven Alan	Director	31,904.04	2024-02-27	M
EICHER CAROL S	Director	30,326	2026-05-07	A
Zay Richard H.	Officer	30,225	2026-08-10	A
Austen William F.	Director · Officer	26,943.72	2021-05-07	A
Hoard Heidi M	Officer	25,433	2017-03-06	M
ERICKSON KRISTIN A.	Officer	25,176	2026-02-28	F
BALAGNA JEFFREY A	Director	22,614	2012-08-28	M
Balinski Barb	Officer	19,218	2026-02-28	F
Arvani Azita	Director	18,925	2026-05-07	A
RUSSELL EDWIN L	Director	18,686	2008-04-29	A
MATHIESON DAVID	Officer	17,964	2015-04-30	A
KNOUS PAMELA K	Director	16,585.69	2007-05-04	A
WICHMANN DAVID S	Director	16,472	2020-12-03	M
Mulligan Donal L	Director	16,000	2026-08-12	P
Schottler Patrick W.	Officer	13,857	2026-08-10	A
Coopersmith Steven M	Officer	13,711	2008-06-05	M
LENDERS ANTHONY	Officer	13,615.75	2007-02-28	D
SIMS FRANK L	Director	13,252	2007-05-04	A
GREEN MARIA C	Director	12,709	2026-05-07	A
Woodward Keith Alan	Officer	12,624	2020-02-25	A
Westman Don B	Officer	12,586	2015-02-27	A
Eckert Andrew J	Officer	12,324	2014-05-27	S
Schaefer Michael	Officer	11,726	2017-02-28	A
Morse Timothy R.	Director	10,614	2026-08-12	P
DYBSKY THOMAS	Officer	10,297	2014-04-24	A
Glerum James T Jr.	Director	10,090	2026-05-07	A
Windley David	Director	8,912	2026-05-07	A
Cotter Jeffrey Louis	Officer	7,561	2018-02-27	A
Moorefield Jeffrey C.	Officer	7,043	2018-02-27	A
Hider Andrew P.	Director · Officer	6,987	2026-05-07	A
Christianson Brock R.	Officer	6,315	2025-02-21	A
Luck Robert J	Officer	6,172	2005-12-31	F
Glusick Daniel E.	Officer	5,940	2022-03-01	A
Talbott Mary E	Officer	5,738	2020-02-25	A
ALLEN PATRICK E	Director	4,927	2026-08-31	P
FLEIGLE MARK J	Officer	4,655	2007-12-31	F
SHEAHAN MARK W	Director	4,348	2026-05-07	A
BRAUSEN ANTHONY T	Officer	4,209.28	2005-12-31	F
CEBULLA ANDREW J.	Officer	2,085	2020-02-26	A
BLANCHARD ERIC A	Officer	2,010	2005-12-31	F
ONeill Patrick J	Officer	1,452	2006-02-15	A
SIEDSCHLAG GREG	Officer	1,092	2006-02-15	A
CARTER REX L	Officer	716	2005-12-31	F

Recent Filings

Date	Owner	Activity	Shares	Price	Owned After
2026-08-31	ALLEN PATRICK E	Open-market buy	3,000	$69.42	4,927
2026-08-12	Morse Timothy R.	Open-market buy	1,500	$68.18	10,614
2026-08-12	Mulligan Donal L	Open-market buy	8,000	$67.34	16,000
2026-08-10	Zay Richard H.	Grant / award	2,707	$0.00	30,225
2026-08-10	Schottler Patrick W.	Grant / award	2,707	$0.00	13,857
2026-05-07	Mulligan Donal L	Grant / award	1,490	$0.00	22,175
2026-05-07	Windley David	Grant / award	1,490	$0.00	8,912
2026-05-07	SHEAHAN MARK W	Grant / award	1,490	$0.00	4,348
2026-05-07	Morse Timothy R.	Grant / award	1,490	$0.00	9,114
2026-05-07	Hider Andrew P.	Grant / award	1,490	$0.00	6,987
2026-05-07	GREEN MARIA C	Grant / award	1,490	$0.00	12,709
2026-05-07	Glerum James T Jr.	Grant / award	1,490	$0.00	10,090
2026-05-07	EICHER CAROL S	Grant / award	1,490	$0.00	30,326
2026-05-07	ALLEN PATRICK E	Grant / award	1,490	$0.00	1,927
2026-05-07	Arvani Azita	Grant / award	1,490	$0.00	18,925
2026-05-07	Zay Richard H.	Open-market sale	6,875	$88.02	27,518
2026-04-14	Mulligan Donal L	Option exercise (derivative)	3,538	$0.00	0
2026-04-14	Mulligan Donal L	Tax withholding	2,456	$78.81	20,685
2026-04-14	Mulligan Donal L	Option exercise	3,538	$54.70	23,141
2026-03-06	Huml David W.	Gift	26,755	$0.00	72,930
2026-03-06	Huml David W.	Gift	26,755	$0.00	65,629
2026-03-02	Glerum James T Jr.	Open-market buy	8,163	$61.25	8,600
2026-02-28	Huml David W.	Tax withholding	4,268	$61.03	92,384
2026-02-28	West Fay	Tax withholding	945	$61.03	48,253
2026-02-28	Zay Richard H.	Tax withholding	840	$61.03	34,393
2026-02-28	ERICKSON KRISTIN A.	Tax withholding	514	$61.03	25,176
2026-02-28	Balinski Barb	Tax withholding	451	$61.03	19,218
2026-02-28	Schottler Patrick W.	Tax withholding	194	$61.03	11,150
2026-02-27	Arvani Azita	Option exercise (derivative)	3,538	$0.00	0
2026-02-27	Arvani Azita	Open-market sale	3,156	$61.40	17,435
2026-02-27	Arvani Azita	Option exercise	3,538	$54.70	20,591
2026-02-27	Mulligan Donal L	Open-market buy	3,000	$61.61	8,000
2026-02-26	ALLEN PATRICK E	Grant / award	437	$0.00	437
2026-02-26	ERICKSON KRISTIN A.	Grant / award	5,158	$0.00	25,690
2026-02-26	ERICKSON KRISTIN A.	Tax withholding	2,013	$62.73	20,532
2026-02-26	ERICKSON KRISTIN A.	Grant / award	6,366	$0.00	22,545
2026-02-26	Schottler Patrick W.	Grant / award	4,519	$0.00	11,344
2026-02-26	Schottler Patrick W.	Tax withholding	552	$62.73	6,825
2026-02-26	Schottler Patrick W.	Grant / award	1,537	$0.00	7,377
2026-02-26	Huml David W.	Grant / award	28,694	$0.00	96,652

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.