TNC

Tennant CoCluster buy · 3 insiders

Insider trading activity for Tennant Co, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

+$849.2K

net buying

Bought(3 · 3 insiders): $849.2K
Sold(0 · 0 insiders): $0

Past 6 months

+$244.1K

net buying

Bought(3 · 3 insiders): $849.2K
Sold(1 · 1 insiders): $605.1K

Past 12 months

+$882.1K

net buying

Bought(9 · 5 insiders): $2.1M
Sold(4 · 4 insiders): $1.2M

Active cluster buy

3 insiders bought on the open market within 30 days.

All clusters →

TNC

Tennant Co

$849.2K

total bought

3 insiders3 buys12,500 shares

Aug 122 separate daysAug 31

Mulligan Donal LDirector$538.7K
Allen Patrick EDirector$208.3K
Morse Timothy R.Director$102.3K

Transaction history

The 76 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 31	Allen Patrick E	Director	PBUY★	3,000	$69.42	$208.3K	+155.7%	Open the original filing on SEC.gov
Aug 12	Morse Timothy R.	Director	PBUY★	1,500	$68.18	$102.3K	+16.5%	Open the original filing on SEC.gov
Aug 12	Mulligan Donal L	Director	PBUY	8,000	$67.34	$538.7K	+100.0%	Open the original filing on SEC.gov
Aug 10	Zay Richard H.	SVP, COO	AGRANT	2,707	—	—	+9.8%	Open the original filing on SEC.gov
Aug 10	Schottler Patrick W.	SVP, Robotics	AGRANT	2,707	—	—	+24.3%	Open the original filing on SEC.gov
May 7	Windley David	Director	AGRANT	1,490	—	—	+20.1%	Open the original filing on SEC.gov
May 7	Zay Richard H.	Chief Commercial Officer	SSELL	6,875	$88.02	$605.1K	-20.0%	Open the original filing on SEC.gov
May 7	Sheahan Mark W	Director	AGRANT	1,490	—	—	+52.1%	Open the original filing on SEC.gov
May 7	Mulligan Donal L	Director	AGRANT	1,490	—	—	+7.2%	Open the original filing on SEC.gov
May 7	Morse Timothy R.	Director	AGRANT	1,490	—	—	+19.5%	Open the original filing on SEC.gov
May 7	Hider Andrew P.	Director	AGRANT	1,490	—	—	+27.1%	Open the original filing on SEC.gov
May 7	Glerum James T Jr.	Director	AGRANT	1,490	—	—	+17.3%	Open the original filing on SEC.gov
May 7	Green Maria C	Director	AGRANT	1,490	—	—	+13.3%	Open the original filing on SEC.gov
May 7	Eicher Carol S	Director	AGRANT	1,490	—	—	+5.2%	Open the original filing on SEC.gov
May 7	Arvani Azita	Director	AGRANT	1,490	—	—	+8.6%	Open the original filing on SEC.gov
May 7	Allen Patrick E	Director	AGRANT	1,490	—	—	+341.0%	Open the original filing on SEC.gov
Apr 14	Mulligan Donal L	Director	MEXER◆	3,538	—	—	—	Open the original filing on SEC.gov
Apr 14	Mulligan Donal L	Director	FTAX	2,456	$78.81	$193.6K	-10.6%	Open the original filing on SEC.gov
Apr 14	Mulligan Donal L	Director	MEXER	3,538	$54.70	$193.5K	+18.1%	Open the original filing on SEC.gov
Mar 6	Huml David W.	President and CEO	GGIFT	26,755	—	—	+57.9%	Open the original filing on SEC.gov
Mar 6	Huml David W.	President and CEO	GGIFT	26,755	—	—	-29.0%	Open the original filing on SEC.gov
Mar 2	Glerum James T Jr.	Director	PBUY★	8,163	$61.25	$500K	+1,868%	Open the original filing on SEC.gov
Feb 28	West Fay	Senior VP, CFO	FTAX	945	$61.03	$57.7K	-1.9%	Open the original filing on SEC.gov
Feb 28	Zay Richard H.	Chief Commercial Officer	FTAX	840	$61.03	$51.3K	-2.4%	Open the original filing on SEC.gov
Feb 28	Schottler Patrick W.	SVP, Chief Mktg & Tech…	FTAX	194	$61.03	$11.8K	-1.7%	Open the original filing on SEC.gov
Feb 28	Huml David W.	President and CEO	FTAX	4,268	$61.03	$260.5K	-4.4%	Open the original filing on SEC.gov
Feb 28	Erickson Kristin A.	SVP, CHRO & GC	FTAX	514	$61.03	$31.4K	-2.0%	Open the original filing on SEC.gov
Feb 28	Balinski Barb	SVP, Chief Transf…	FTAX	451	$61.03	$27.5K	-2.3%	Open the original filing on SEC.gov
Feb 27	Mulligan Donal L	Director	PBUY	3,000	$61.61	$184.8K	+60.0%	Open the original filing on SEC.gov
Feb 27	Arvani Azita	Director	MEXER◆	3,538	—	—	—	Open the original filing on SEC.gov
Feb 27	Arvani Azita	Director	SSELL	3,156	$61.40	$193.8K	-15.3%	Open the original filing on SEC.gov
Feb 27	Arvani Azita	Director	MEXER	3,538	$54.70	$193.5K	+20.8%	Open the original filing on SEC.gov
Feb 26	Windley David	Director	MEXER◆	3,538	—	—	—	Open the original filing on SEC.gov
Feb 26	Windley David	Director	MEXER◆	707	—	—	—	Open the original filing on SEC.gov
Feb 26	Windley David	Director	SSELL	3,694	$63.86	$235.9K	-33.2%	Open the original filing on SEC.gov
Feb 26	Windley David	Director	MEXER	3,538	$54.70	$193.5K	+46.7%	Open the original filing on SEC.gov
Feb 26	Windley David	Director	MEXER	707	$52.42	$37.1K	+10.3%	Open the original filing on SEC.gov
Feb 26	West Fay	Senior VP, CFO	AGRANT	7,835	—	—	+18.9%	Open the original filing on SEC.gov
Feb 26	West Fay	Senior VP, CFO	FTAX	3,646	$62.73	$228.7K	-8.1%	Open the original filing on SEC.gov
Feb 26	West Fay	Senior VP, CFO	AGRANT	11,697	—	—	+35.1%	Open the original filing on SEC.gov
Feb 26	Zay Richard H.	Chief Commercial Officer	AGRANT	7,105	—	—	+25.3%	Open the original filing on SEC.gov
Feb 26	Zay Richard H.	Chief Commercial Officer	FTAX	3,269	$62.73	$205.1K	-10.4%	Open the original filing on SEC.gov
Feb 26	Zay Richard H.	Chief Commercial Officer	AGRANT	10,399	—	—	+49.5%	Open the original filing on SEC.gov
Feb 26	Schottler Patrick W.	SVP, Chief Mktg & Tech…	AGRANT	4,519	—	—	+66.2%	Open the original filing on SEC.gov
Feb 26	Schottler Patrick W.	SVP, Chief Mktg & Tech…	FTAX	552	$62.73	$34.6K	-7.5%	Open the original filing on SEC.gov
Feb 26	Schottler Patrick W.	SVP, Chief Mktg & Tech…	AGRANT	1,537	—	—	+26.3%	Open the original filing on SEC.gov
Feb 26	Mulligan Donal L	Director	PBUY★	5,000	$63.86	$319.3K	—	Open the original filing on SEC.gov
Feb 26	Huml David W.	President and CEO	AGRANT	28,694	—	—	+42.2%	Open the original filing on SEC.gov
Feb 26	Huml David W.	President and CEO	PBUY	175	$65.48	$11.5K	+0.3%	Open the original filing on SEC.gov
Feb 26	Huml David W.	President and CEO	PBUY	1,225	$65.01	$79.6K	+1.8%	Open the original filing on SEC.gov
Feb 26	Huml David W.	President and CEO	PBUY★	2,600	$64.02	$166.5K	+4.1%	Open the original filing on SEC.gov
Feb 26	Huml David W.	President and CEO	FTAX	13,807	$62.73	$866.1K	-17.8%	Open the original filing on SEC.gov
Feb 26	Huml David W.	President and CEO	AGRANT	35,472	—	—	+83.9%	Open the original filing on SEC.gov
Feb 26	Glerum James T Jr.	Director	AGRANT	437	—	—	—	Open the original filing on SEC.gov
Feb 26	Erickson Kristin A.	SVP, CHRO & GC	AGRANT	5,158	—	—	+25.1%	Open the original filing on SEC.gov
Feb 26	Erickson Kristin A.	SVP, CHRO & GC	FTAX	2,013	$62.73	$126.3K	-8.9%	Open the original filing on SEC.gov
Feb 26	Erickson Kristin A.	SVP, CHRO & GC	AGRANT	6,366	—	—	+39.4%	Open the original filing on SEC.gov
Feb 26	Eicher Carol S	Director	MEXER◆	3,538	—	—	—	Open the original filing on SEC.gov
Feb 26	Eicher Carol S	Director	SSELL	3,130	$61.98	$194K	-9.8%	Open the original filing on SEC.gov
Feb 26	Eicher Carol S	Director	MEXER	3,538	$54.70	$193.5K	+12.4%	Open the original filing on SEC.gov
Feb 26	Balinski Barb	SVP, Chief Transf…	AGRANT	4,429	—	—	+29.1%	Open the original filing on SEC.gov
Feb 26	Balinski Barb	SVP, Chief Transf…	FTAX	1,810	$62.73	$113.5K	-10.6%	Open the original filing on SEC.gov
Feb 26	Balinski Barb	SVP, Chief Transf…	AGRANT	5,579	—	—	+48.6%	Open the original filing on SEC.gov
Feb 26	Allen Patrick E	Director	AGRANT	437	—	—	—	Open the original filing on SEC.gov
Nov 3, 2025	Schottler Patrick W.	SVP, Chief Mktg & Tech…	FTAX	153	$80.00	$12.2K	-2.5%	Open the original filing on SEC.gov
Aug 19, 2025	Zay Richard H.	Chief Commercial Officer	SSELL	4,042	$83.21	$336.3K	-16.1%	Open the original filing on SEC.gov
May 6, 2025	Windley David	Director	AGRANT	1,815	—	—	+35.9%	Open the original filing on SEC.gov
May 6, 2025	Sheahan Mark W	Director	AGRANT	1,815	—	—	+174.0%	Open the original filing on SEC.gov
May 6, 2025	Mulligan Donal L	Director	AGRANT	1,815	—	—	+10.2%	Open the original filing on SEC.gov
May 6, 2025	Morse Timothy R.	Director	AGRANT	1,815	—	—	+31.2%	Open the original filing on SEC.gov
May 6, 2025	Hider Andrew P.	Director	AGRANT	1,815	—	—	+49.3%	Open the original filing on SEC.gov
May 6, 2025	Green Maria C	Director	AGRANT	1,815	—	—	+19.3%	Open the original filing on SEC.gov
May 6, 2025	Eicher Carol S	Director	AGRANT	1,815	—	—	+6.8%	Open the original filing on SEC.gov
May 6, 2025	Arvani Azita	Director	AGRANT	1,815	—	—	+11.9%	Open the original filing on SEC.gov
Apr 14, 2025	Huml David W.	President and CEO	GGIFT	17,571	—	—	+61.4%	Open the original filing on SEC.gov
Apr 14, 2025	Huml David W.	President and CEO	GGIFT	17,571	—	—	-29.3%	Open the original filing on SEC.gov

PBUY★$208.3K

Allen Patrick E · DirectorAug 31

3,000 sh @ $69.42 · +155.7% own

PBUY★$102.3K

Morse Timothy R. · DirectorAug 12

1,500 sh @ $68.18 · +16.5% own

PBUY$538.7K

Mulligan Donal L · DirectorAug 12

8,000 sh @ $67.34 · +100.0% own

AGRANT—

Zay Richard H. · SVP, COOAug 10

2,707 sh · +9.8% own

AGRANT—

Schottler Patrick W. · SVP, RoboticsAug 10

2,707 sh · +24.3% own

AGRANT—

Windley David · DirectorMay 7

1,490 sh · +20.1% own

SSELL$605.1K

Zay Richard H. · Chief Commercial…May 7

6,875 sh @ $88.02 · -20.0% own

AGRANT—

Sheahan Mark W · DirectorMay 7

1,490 sh · +52.1% own

AGRANT—

Mulligan Donal L · DirectorMay 7

1,490 sh · +7.2% own

AGRANT—

Morse Timothy R. · DirectorMay 7

1,490 sh · +19.5% own

AGRANT—

Hider Andrew P. · DirectorMay 7

1,490 sh · +27.1% own

AGRANT—

Glerum James T Jr. · DirectorMay 7

1,490 sh · +17.3% own

AGRANT—

Green Maria C · DirectorMay 7

1,490 sh · +13.3% own

AGRANT—

Eicher Carol S · DirectorMay 7

1,490 sh · +5.2% own

AGRANT—

Arvani Azita · DirectorMay 7

1,490 sh · +8.6% own

AGRANT—

Allen Patrick E · DirectorMay 7

1,490 sh · +341.0% own

MEXER◆—

Mulligan Donal L · DirectorApr 14

3,538 sh

FTAX$193.6K

Mulligan Donal L · DirectorApr 14

2,456 sh @ $78.81 · -10.6% own

MEXER$193.5K

Mulligan Donal L · DirectorApr 14

3,538 sh @ $54.70 · +18.1% own

GGIFT—

Huml David W. · President and CEOMar 6

26,755 sh · +57.9% own

GGIFT—

Huml David W. · President and CEOMar 6

26,755 sh · -29.0% own

PBUY★$500K

Glerum James T Jr. · DirectorMar 2

8,163 sh @ $61.25 · +1,868% own

FTAX$57.7K

West Fay · Senior VP, CFOFeb 28

945 sh @ $61.03 · -1.9% own

FTAX$51.3K

Zay Richard H. · Chief Commercial…Feb 28

840 sh @ $61.03 · -2.4% own

FTAX$11.8K

Schottler Patrick W. · SVP, Chief Mktg &…Feb 28

194 sh @ $61.03 · -1.7% own

FTAX$260.5K

Huml David W. · President and CEOFeb 28

4,268 sh @ $61.03 · -4.4% own

FTAX$31.4K

Erickson Kristin A. · SVP, CHRO & GCFeb 28

514 sh @ $61.03 · -2.0% own

FTAX$27.5K

Balinski Barb · SVP, Chief Transf…Feb 28

451 sh @ $61.03 · -2.3% own

PBUY$184.8K

Mulligan Donal L · DirectorFeb 27

3,000 sh @ $61.61 · +60.0% own

MEXER◆—

Arvani Azita · DirectorFeb 27

3,538 sh

SSELL$193.8K

Arvani Azita · DirectorFeb 27

3,156 sh @ $61.40 · -15.3% own

MEXER$193.5K

Arvani Azita · DirectorFeb 27

3,538 sh @ $54.70 · +20.8% own

MEXER◆—

Windley David · DirectorFeb 26

3,538 sh

MEXER◆—

Windley David · DirectorFeb 26

707 sh

SSELL$235.9K

Windley David · DirectorFeb 26

3,694 sh @ $63.86 · -33.2% own

MEXER$193.5K

Windley David · DirectorFeb 26

3,538 sh @ $54.70 · +46.7% own

MEXER$37.1K

Windley David · DirectorFeb 26

707 sh @ $52.42 · +10.3% own

AGRANT—

West Fay · Senior VP, CFOFeb 26

7,835 sh · +18.9% own

FTAX$228.7K

West Fay · Senior VP, CFOFeb 26

3,646 sh @ $62.73 · -8.1% own

AGRANT—

West Fay · Senior VP, CFOFeb 26

11,697 sh · +35.1% own

AGRANT—

Zay Richard H. · Chief Commercial…Feb 26

7,105 sh · +25.3% own

FTAX$205.1K

Zay Richard H. · Chief Commercial…Feb 26

3,269 sh @ $62.73 · -10.4% own

AGRANT—

Zay Richard H. · Chief Commercial…Feb 26

10,399 sh · +49.5% own

AGRANT—

Schottler Patrick W. · SVP, Chief Mktg &…Feb 26

4,519 sh · +66.2% own

FTAX$34.6K

Schottler Patrick W. · SVP, Chief Mktg &…Feb 26

552 sh @ $62.73 · -7.5% own

AGRANT—

Schottler Patrick W. · SVP, Chief Mktg &…Feb 26

1,537 sh · +26.3% own

PBUY★$319.3K

Mulligan Donal L · DirectorFeb 26

5,000 sh @ $63.86

AGRANT—

Huml David W. · President and CEOFeb 26

28,694 sh · +42.2% own

PBUY$11.5K

Huml David W. · President and CEOFeb 26

175 sh @ $65.48 · +0.3% own

PBUY$79.6K

Huml David W. · President and CEOFeb 26

1,225 sh @ $65.01 · +1.8% own

PBUY★$166.5K

Huml David W. · President and CEOFeb 26

2,600 sh @ $64.02 · +4.1% own

FTAX$866.1K

Huml David W. · President and CEOFeb 26

13,807 sh @ $62.73 · -17.8% own

AGRANT—

Huml David W. · President and CEOFeb 26

35,472 sh · +83.9% own

AGRANT—

Glerum James T Jr. · DirectorFeb 26

437 sh

AGRANT—

Erickson Kristin A. · SVP, CHRO & GCFeb 26

5,158 sh · +25.1% own

FTAX$126.3K

Erickson Kristin A. · SVP, CHRO & GCFeb 26

2,013 sh @ $62.73 · -8.9% own

AGRANT—

Erickson Kristin A. · SVP, CHRO & GCFeb 26

6,366 sh · +39.4% own

MEXER◆—

Eicher Carol S · DirectorFeb 26

3,538 sh

SSELL$194K

Eicher Carol S · DirectorFeb 26

3,130 sh @ $61.98 · -9.8% own

MEXER$193.5K

Eicher Carol S · DirectorFeb 26

3,538 sh @ $54.70 · +12.4% own

AGRANT—

Balinski Barb · SVP, Chief Transf…Feb 26

4,429 sh · +29.1% own

FTAX$113.5K

Balinski Barb · SVP, Chief Transf…Feb 26

1,810 sh @ $62.73 · -10.6% own

AGRANT—

Balinski Barb · SVP, Chief Transf…Feb 26

5,579 sh · +48.6% own

AGRANT—

Allen Patrick E · DirectorFeb 26

437 sh

FTAX$12.2K

Schottler Patrick W. · SVP, Chief Mktg &…Nov 3, 2025

153 sh @ $80.00 · -2.5% own

SSELL$336.3K

Zay Richard H. · Chief Commercial…Aug 19, 2025

4,042 sh @ $83.21 · -16.1% own

AGRANT—

Windley David · DirectorMay 6, 2025

1,815 sh · +35.9% own

AGRANT—

Sheahan Mark W · DirectorMay 6, 2025

1,815 sh · +174.0% own

AGRANT—

Mulligan Donal L · DirectorMay 6, 2025

1,815 sh · +10.2% own

AGRANT—

Morse Timothy R. · DirectorMay 6, 2025

1,815 sh · +31.2% own

AGRANT—

Hider Andrew P. · DirectorMay 6, 2025

1,815 sh · +49.3% own

AGRANT—

Green Maria C · DirectorMay 6, 2025

1,815 sh · +19.3% own

AGRANT—

Eicher Carol S · DirectorMay 6, 2025

1,815 sh · +6.8% own

AGRANT—

Arvani Azita · DirectorMay 6, 2025

1,815 sh · +11.9% own

GGIFT—

Huml David W. · President and CEOApr 14, 2025

17,571 sh · +61.4% own

GGIFT—

Huml David W. · President and CEOApr 14, 2025

17,571 sh · -29.3% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

4 of 46 filings we hold were filed after the two-business-day deadline. The furthest past the deadline was 216 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Apr 14, 2025	Mar 1	Huml David W.President and CEO	216days · about 10 months	$866.1K	Filing ↗
Aug 10	Sep 11	Schottler Patrick W.SVP, Robotics	21days	—	Filing ↗
Aug 10	Sep 11	Zay Richard H.SVP, COO	21days	—	Filing ↗
Aug 31	Sep 23	Allen Patrick EDirector	14days	$208.3K	Filing ↗

Huml David W.President and CEO

216days · about 10 months

Traded Apr 14, 2025 · filed Mar 1Filing ↗

Schottler Patrick W.SVP, Robotics

21days

Traded Aug 10 · filed Sep 11Filing ↗

Zay Richard H.SVP, COO

21days

Traded Aug 10 · filed Sep 11Filing ↗

Allen Patrick EDirector

14days

Traded Aug 31 · filed Sep 23Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.