TNC
TENNANT CO
Refrigeration & Service Industry MachineryNYSELarge accelerated filer
Total Trades
50
Buys
4
Sells
23
Largest Trade
N/A
Insiders
12
Institutional Funds
198
Inst. Value
$1M+
Activist Filings
13
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Glerum James T Jr. | Director | GRANT | N/A | 437 | — | Mar 2, 2026 |
| Glerum James T Jr. | Director | BUY | $100K–$500K | 8K | $61.25 | Mar 2, 2026 |
| Mulligan Donal L | Director | BUY | $500K+ | 8K | $63.02 | Mar 2, 2026 |
| EICHER CAROL S | Director | EXERCISE | $100K–$500K | 4K | $54.70 | Mar 2, 2026 |
| EICHER CAROL S | Director | SELL | $100K–$500K | 3K | $61.98 | Mar 2, 2026 |
| Arvani Azita | Director | SELL | $100K–$500K | 3K | $61.40 | Mar 2, 2026 |
| Arvani Azita | Director | EXERCISE | $100K–$500K | 4K | $54.70 | Mar 2, 2026 |
| Windley David | Director | EXERCISE | $100K–$500K | 4K | $54.32 | Mar 2, 2026 |
| Windley David | Director | SELL | $100K–$500K | 4K | $63.86 | Mar 2, 2026 |
| Huml David W. | PRESIDENT AND CEO | BUY | $100K–$500K | 4K | $64.39 | Mar 2, 2026 |
| Huml David W. | PRESIDENT AND CEO | GRANT | N/A | 64K | — | Mar 2, 2026 |
| Zay Richard H. | CHIEF COMMERCIAL O… | GRANT | N/A | 11K | — | Feb 25, 2025 |
| Zay Richard H. | CHIEF COMMERCIAL O… | SELL | $500K+ | 7K | $87.58 | Feb 25, 2025 |
| Zay Richard H. | CHIEF COMMERCIAL O… | EXERCISE | $100K–$500K | 7K | $52.42 | Feb 25, 2025 |
| Balinski Barb | SVP | SELL | $100K–$500K | 2K | $96.61 | Aug 30, 2024 |
| EICHER CAROL S | Director | SELL | $100K–$500K | 2K | $116.45 | Feb 29, 2024 |
| EICHER CAROL S | Director | EXERCISE | $100K–$500K | 4K | $64.73 | Feb 29, 2024 |
| Windley David | Director | SELL | $500K+ | 7K | $113.23 | Feb 29, 2024 |
| Zay Richard H. | CHIEF COMMERCIAL O… | SELL | $1M+ | 15K | $110.19 | Feb 29, 2024 |
| Zay Richard H. | CHIEF COMMERCIAL O… | EXERCISE | $500K+ | 15K | $60.01 | Feb 29, 2024 |
| Zay Richard H. | CHIEF COMMERCIAL O… | GRANT | N/A | 10K | — | Feb 29, 2024 |
| Mulligan Donal L | Director | EXERCISE | $100K–$500K | 2K | $65.12 | Feb 29, 2024 |
| Mulligan Donal L | Director | SELL | $100K–$500K | 2K | $110.00 | Feb 29, 2024 |
| Sonnenberg Steven Alan | Director | SELL | $500K+ | 9K | $110.09 | Feb 29, 2024 |
| Sonnenberg Steven Alan | Director | EXERCISE | $500K+ | 9K | $63.66 | Feb 29, 2024 |
| ERICKSON KRISTIN A. | SVP, GENERAL COUNSEL | SELL | $50K–$100K | 950 | $82.00 | Nov 9, 2023 |
| ERICKSON KRISTIN A. | SVP, GENERAL COUNSEL | EXERCISE | $50K–$100K | 950 | $60.67 | Nov 9, 2023 |
| Mulligan Donal L | Director | SELL | $100K–$500K | 2K | $73.94 | Oct 5, 2023 |
| Mulligan Donal L | Director | EXERCISE | $100K–$500K | 2K | $64.20 | Oct 5, 2023 |
| Sonnenberg Steven Alan | Director | SELL | $100K–$500K | 2K | $83.24 | Aug 31, 2023 |
| Sonnenberg Steven Alan | Director | EXERCISE | $100K–$500K | 2K | $64.20 | Aug 31, 2023 |
| Huml David W. | PRESIDENT AND CEO | SELL | $100K–$500K | 5K | $83.83 | Aug 16, 2023 |
| Huml David W. | PRESIDENT AND CEO | EXERCISE | $100K–$500K | 5K | $64.83 | Aug 16, 2023 |
| Zay Richard H. | CHIEF COMMERCIAL O… | SELL | $100K–$500K | 6K | $85.79 | Aug 14, 2023 |
| Zay Richard H. | CHIEF COMMERCIAL O… | EXERCISE | $100K–$500K | 4K | $60.67 | Aug 14, 2023 |
| McKnight Carol E. | FORMER | EXERCISE | $1M+ | 20K | $68.35 | May 30, 2023 |
| McKnight Carol E. | FORMER | SELL | $1M+ | 20K | $75.48 | May 30, 2023 |
| McKnight Carol E. | SVP | EXERCISE | $500K+ | 11K | $59.02 | May 25, 2023 |
| McKnight Carol E. | SVP | SELL | $500K+ | 11K | $76.75 | May 25, 2023 |
| Zay Richard H. | CHIEF COMMERCIAL O… | SELL | $100K–$500K | 4K | $79.46 | May 5, 2023 |
| Mulligan Donal L | Director | EXERCISE | $100K–$500K | 2K | $46.59 | Apr 5, 2023 |
| Mulligan Donal L | Director | SELL | $100K–$500K | 2K | $68.38 | Apr 5, 2023 |
| Arvani Azita | Director | SELL | $100K–$500K | 2K | $70.69 | Mar 9, 2023 |
| Arvani Azita | Director | EXERCISE | $100K–$500K | 2K | $46.59 | Mar 9, 2023 |
| Sonnenberg Steven Alan | Director | SELL | $100K–$500K | 2K | $46.59 | Nov 15, 2022 |
| Sonnenberg Steven Alan | Director | EXERCISE | $100K–$500K | 2K | $65.98 | Nov 15, 2022 |
| EICHER CAROL S | Director | EXERCISE | $100K–$500K | 2K | $46.59 | Aug 23, 2022 |
| EICHER CAROL S | Director | SELL | $100K–$500K | 2K | $68.50 | Aug 23, 2022 |
| Zay Richard H. | CHIEF COMMERCIAL O… | SELL | $100K–$500K | 3K | $70.78 | Aug 18, 2022 |
| Anand Kapila K | Director | BUY | $15K–$50K | 1K | $28.48 | Mar 3, 2022 |
🔓Seeing ranges? Sign in for exact trade values — free forever
Institutional Ownership
13F filings as of Dec 31, 2025 · 198 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| VANGUARD GROUP INC | 2.0M | $1M+ | SH |
| MAIRS & POWER INC | 1.1M | $1M+ | SH |
| STATE STREET CORP | 690K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 541K | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 515K | $1M+ | SH |
| GAMCO INVESTORS, INC. ET AL | 503K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 373K | $1M+ | SH |
| Vision One Management Partners, LP | 345K | $1M+ | SH |
| River Road Asset Management, LLC | 266K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 265K | $1M+ | SH |
| FULLER & THALER ASSET MANAGEMENT, INC. | 253K | $1M+ | SH |
| FULLER & THALER ASSET MANAGEMENT, INC. | 253K | $1M+ | SH |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 232K | $1M+ | SH |
| GABELLI FUNDS LLC | 179K | $1M+ | SH |
| DEPRINCE RACE & ZOLLO INC | 157K | $1M+ | SH |
| Lightrock Netherlands B.V. | 149K | $1M+ | SH |
| Kopion Asset Management, LLC | 123K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 77K | $1M+ | SH |
| TEACHER RETIREMENT SYSTEM OF TEXAS | 75K | $1M+ | SH |
| Squarepoint Ops LLC | 67K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 17, 2026
5.9%
1.1M shares
SC 13G/A · May 15, 2025
7.6%
1.4M shares
SC 13G/A · Apr 28, 2025
15.0%
2.8M shares
ArrowMark Colorado Holdings LLC
SC 13G/A · Feb 14, 2024
0.0%
0 shares
SC 13G/A · Feb 14, 2024
6.6%
1.2M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
12.1%
2.3M shares
SC 13G/A · Jan 22, 2024
16.7%
3.1M shares
ArrowMark Colorado Holdings LLC
SC 13G/A · Feb 14, 2023
9.3%
1.7M shares
SC 13G/A · Feb 14, 2023
8.8%
1.6M shares
SC 13G/A · Jan 23, 2023
16.4%
3.1M shares
ArrowMark Colorado Holdings LLC
SC 13G/A · Feb 14, 2022
10.9%
2.0M shares
SC 13G/A · Jan 27, 2022
15.1%
2.8M shares
SC 13G · Jan 25, 2022
15.1%
2.8M shares