MarketPeel
Insider Trading Intelligence
DM

Donal L. Mulligan

TNC
DIRECTOR · TENNANT CO · CIK 0001406019
FILING MIX · LIFETIME73%/27%
BUYS
35
SELLS
13
TOTAL VALUE
$4.08M
COMPANIES
3
ACTIVE SINCE
May 2020
HOLDINGS NOW
92,516
AVG SELL PX
$82.64
TRADE KIND
SHOWING 48 / 48
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
11 backtested trades · 8 horizons · 9 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Donal L. Mulligan, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d11+63.64%+1.66%+0.17%+1.49%+0.71%
14d11+63.64%+3.31%+0.45%+2.86%+0.93%
30d11+54.55%+2.71%-0.94%+3.65%+5.23%
60d11+45.45%+9.45%+3.79%+5.67%+7.59%
90d11+72.73%+13.73%+5.42%+2.51%+9.32%
180d11(2 pending)+44.44%-2.92%+8.34%-12.51%-17.03%
1y11(3 pending)+25.00%-11.50%+17.69%-29.18%-37.16%
2y11(4 pending)+42.86%-8.78%+38.53%-47.31%-51.95%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
TNC · 16,000 shares · as of Aug 12, 2026
05,78511,57117,35623,141202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
2026
FLOW · 35 buys / 13 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
TNC
TENNANT CO
PURCHASE
8,000$67.34$538.7K16,000Aug 12, 2026Aug 13, 2026View →
HLF
HERBALIFE LTD.
PURCHASEGRANT
Stock grant
11,87968,982May 8, 2026May 12, 2026View →
TNC
TENNANT CO
PURCHASEGRANT
Stock grant
1,49022,175May 7, 2026May 11, 2026View →
TNC
TENNANT CO
SALE
2,456$78.81$193.6K20,685Apr 14, 2026Apr 16, 2026View →
TNC
TENNANT CO
SALE
3,5380Apr 14, 2026Apr 16, 2026View →
TNC
TENNANT CO
PURCHASE
3,538$54.70$193.5K23,141Apr 14, 2026Apr 16, 2026View →
TNC
TENNANT CO
PURCHASE
3,000$61.61$184.8K8,000Feb 27, 2026Mar 2, 2026View →
TNC
TENNANT CO
PURCHASE
5,000$63.86$319.3K5,000Feb 26, 2026Mar 2, 2026View →
ENR
ENERGIZER HOLDINGS, INC.
PURCHASEGRANT
Stock grant
7,5347,534Jan 2, 2026Jan 5, 2026View →
ENR
ENERGIZER HOLDINGS, INC.
PURCHASE
15,000$17.40$261.0K25,000Dec 2, 2025Dec 3, 2025View →
ENR
ENERGIZER HOLDINGS, INC.
PURCHASE
10,000$23.66$236.6K10,000May 19, 2025May 20, 2025View →
TNC
TENNANT CO
PURCHASEGRANT
Stock grant
1,81519,603May 6, 2025May 8, 2025View →
HLF
HERBALIFE LTD.
PURCHASEGRANT
Stock grant
21,85757,103May 2, 2025May 6, 2025View →
ENR
ENERGIZER HOLDINGS, INC.
PURCHASEGRANT
Stock grant
4,3354,335Jan 2, 2025Jan 3, 2025View →
ENR
ENERGIZER HOLDINGS, INC.
SALE
4,7090Jan 2, 2025Jan 3, 2025View →
ENR
ENERGIZER HOLDINGS, INC.
PURCHASE
4,70910,519Jan 2, 2025Jan 3, 2025View →
TNC
TENNANT CO
PURCHASEGRANT
Stock grant
1,07317,788May 8, 2024May 10, 2024View →
HLF
HERBALIFE LTD.
PURCHASEGRANT
Stock grant
15,65735,246May 3, 2024May 6, 2024View →
HLF
HERBALIFE LTD.
PURCHASE
30,000$9.65$289.5K60,000May 3, 2024May 6, 2024View →
TNC
TENNANT CO
SALE
2,3580Feb 27, 2024Feb 29, 2024View →
TNC
TENNANT CO
PURCHASE
2,358$65.12$153.6K19,073Feb 27, 2024Feb 29, 2024View →
TNC
TENNANT CO
SALE10b5-1
10b5-1 plan
2,358$110.00$259.4K16,715Feb 27, 2024Feb 29, 2024View →
ENR
ENERGIZER HOLDINGS, INC.
PURCHASEGRANT
Stock grant
4,7094,709Jan 2, 2024Jan 4, 2024View →
TNC
TENNANT CO
SALE
1,7650Oct 3, 2023Oct 5, 2023View →
TNC
TENNANT CO
PURCHASE
1,765$64.20$113.3K18,480Oct 3, 2023Oct 5, 2023View →
TNC
TENNANT CO
SALE
1,765$73.94$130.5K16,715Oct 3, 2023Oct 5, 2023View →
HLF
HERBALIFE LTD.
PURCHASEGRANT
Stock grant
11,02919,589May 4, 2023May 8, 2023View →
TNC
TENNANT CO
PURCHASEGRANT
Stock grant
1,44716,715May 3, 2023May 5, 2023View →
TNC
TENNANT CO
SALE
2,320$68.38$158.6K15,268Apr 3, 2023Apr 5, 2023View →
TNC
TENNANT CO
SALE
2,3200Apr 3, 2023Apr 5, 2023View →
TNC
TENNANT CO
PURCHASE
2,320$46.59$108.1K17,588Apr 3, 2023Apr 5, 2023View →
HLF
HERBALIFE LTD.
PURCHASE
15,000$19.32$289.8K30,000Feb 22, 2023Feb 24, 2023View →
ENR
ENERGIZER HOLDINGS, INC.
PURCHASE
3,5615,810Jan 3, 2023Jan 5, 2023View →
ENR
ENERGIZER HOLDINGS, INC.
SALE
3,5610Jan 3, 2023Jan 5, 2023View →
ENR
ENERGIZER HOLDINGS, INC.
PURCHASEGRANT
Stock grant
4,2444,244Jan 3, 2023Jan 5, 2023View →
HLF
HERBALIFE LTD.
PURCHASE
15,000$22.69$340.4K23,560May 11, 2022May 12, 2022View →
HLF
HERBALIFE LTD.
PURCHASEGRANT
Stock grant
5,3878,560May 5, 2022May 9, 2022View →
TNC
TENNANT CO
PURCHASEGRANT
Stock grant
1,73615,268May 3, 2022May 5, 2022View →
ENR
ENERGIZER HOLDINGS, INC.
PURCHASE
2,2492,249Jan 4, 2022Jan 5, 2022View →
ENR
ENERGIZER HOLDINGS, INC.
SALE
2,2490Jan 4, 2022Jan 5, 2022View →
ENR
ENERGIZER HOLDINGS, INC.
PURCHASEGRANT
Stock grant
3,5613,561Jan 3, 2022Jan 5, 2022View →
TNC
TENNANT CO
PURCHASE
2,531$41.97$106.2K16,063Nov 1, 2021Nov 3, 2021View →
TNC
TENNANT CO
SALE
2,5310Nov 1, 2021Nov 3, 2021View →
TNC
TENNANT CO
SALE
2,531$80.00$202.5K13,532Nov 1, 2021Nov 3, 2021View →
TNC
TENNANT CO
PURCHASEGRANT
Stock grant
1,28313,532May 7, 2021May 11, 2021View →
HLF
HERBALIFE LTD.
PURCHASEGRANT
Stock grant
3,1733,173May 6, 2021May 10, 2021View →
ENR
ENERGIZER HOLDINGS, INC.
PURCHASEGRANT
Stock grant
2,2492,249Apr 1, 2021Apr 5, 2021View →
TNC
TENNANT CO
PURCHASEGRANT
Stock grant
1,95512,249May 11, 2020May 13, 2020View →
Other insiders · TNC
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About this filer
CIK 0001406019
ROLE
Director
PRIMARY
TNC
COMPANIES
3
ACTIVE SINCE
May 2020
MARKETPEEL · /INSIDER/0001406019DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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