TENNANT CO (TNC)
NYSE · Refrigeration & Service Industry Machinery · Inc. MN
What they're doing
Between 2026-06-21 and 2026-09-19, public records show 3 signals for TENNANT CO. Most notable: 2026-08-12: Mulligan Donal L (director) bought $539k of stock; 2026-07-30: Filed 8-K disclosing director or officer change; 2026-08-12: Morse Timothy R. (director) bought $102k of stock. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.
Generated 2026-09-19 from public records.
Signals, last 12 months
- Insider purchaseMulligan Donal L (director) bought $539k of stock
- Insider purchaseMorse Timothy R. (director) bought $102k of stock
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing director or officer change
- Insider buying cluster3 insiders bought $1.3M within 14 days
- Insider purchaseGlerum James T Jr. (director) bought $500k of stock
- Material 8-K filingFiled 8-K disclosing director or officer change
- Insider purchaseMulligan Donal L (director) bought $185k of stock
- Insider purchaseMulligan Donal L (director) bought $319k of stock
- Insider purchaseHuml David W. (director) bought $166k of stock
- Insider purchaseHuml David W. (director) bought $80k of stock
- Insider purchaseHuml David W. (director) bought $80k of stock
- Material 8-K filingFiled 8-K disclosing material agreement, director or officer change
Insider transactions
| Date | Insider | Role | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-08-12 | Mulligan Donal L | director | P | 8,000 | 67.34 | $538,720 |
| 2026-08-12 | Morse Timothy R. | director | P | 1,500 | 68.18 | $102,270 |
| 2026-08-10 | Zay Richard H. | officer | A | 2,707 | 0 | $0 |
| 2026-08-10 | Schottler Patrick W. | officer | A | 2,707 | 0 | $0 |
| 2026-05-07 | Zay Richard H. | officer | S | 6,875 | 88.02 | $605,138 |
| 2026-05-07 | Arvani Azita | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | ALLEN PATRICK E | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | EICHER CAROL S | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | Glerum James T Jr. | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | GREEN MARIA C | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | Hider Andrew P. | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | Morse Timothy R. | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | SHEAHAN MARK W | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | Windley David | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | Mulligan Donal L | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | Zay Richard H. | officer | S | 6,875 | 88.02 | $605,103 |
| 2026-05-07 | Arvani Azita | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | ALLEN PATRICK E | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | EICHER CAROL S | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | Glerum James T Jr. | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | GREEN MARIA C | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | Hider Andrew P. | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | Morse Timothy R. | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | SHEAHAN MARK W | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | Windley David | director | A | 1,490 | 0 | $0 |
| 2026-05-07 | Mulligan Donal L | director | A | 1,490 | 0 | $0 |
| 2026-04-14 | Mulligan Donal L | director | F | 2,456 | 78.81 | $193,557 |
| 2026-04-14 | Mulligan Donal L | director | M | 3,538 | 54.7 | $193,529 |
| 2026-04-14 | Mulligan Donal L | director | M | 3,538 | 54.7 | $193,529 |
| 2026-04-14 | Mulligan Donal L | director | F | 2,456 | 78.81 | $193,557 |
| 2026-03-06 | Huml David W. | director | G | 26,755 | 0 | $0 |
| 2026-03-06 | Huml David W. | director | G | 26,755 | 0 | $0 |
| 2026-03-06 | Huml David W. | director | G | 26,755 | 0 | $0 |
| 2026-03-06 | Huml David W. | director | G | 26,755 | 0 | $0 |
| 2026-03-02 | Glerum James T Jr. | director | P | 8,163 | 61.25 | $499,984 |
| 2026-03-02 | Glerum James T Jr. | director | P | 8,163 | 61.25 | $499,980 |
| 2026-02-28 | Schottler Patrick W. | officer | F | 194 | 61.03 | $11,840 |
| 2026-02-28 | Balinski Barb | officer | F | 451 | 61.03 | $27,525 |
| 2026-02-28 | ERICKSON KRISTIN A. | officer | F | 514 | 61.03 | $31,369 |
| 2026-02-28 | Zay Richard H. | officer | F | 840 | 61.03 | $51,265 |
| 2026-02-28 | West Fay | officer | F | 945 | 61.03 | $57,673 |
| 2026-02-28 | Huml David W. | director | F | 4,268 | 61.03 | $260,476 |
| 2026-02-28 | Schottler Patrick W. | officer | F | 194 | 61.03 | $11,840 |
| 2026-02-28 | Balinski Barb | officer | F | 451 | 61.03 | $27,525 |
| 2026-02-28 | ERICKSON KRISTIN A. | officer | F | 514 | 61.03 | $31,369 |
| 2026-02-28 | Zay Richard H. | officer | F | 840 | 61.03 | $51,265 |
| 2026-02-28 | West Fay | officer | F | 945 | 61.03 | $57,673 |
| 2026-02-28 | Huml David W. | director | F | 4,268 | 61.03 | $260,476 |
| 2026-02-27 | Mulligan Donal L | director | P | 3,000 | 61.61 | $184,830 |
| 2026-02-27 | Arvani Azita | director | S | 3,156 | 61.4 | $193,778 |
Federal contracts
No federal contract actions on record for this recipient mapping.
Lobbying
No federal lobbying filings on record for this client mapping.
Public attention
No Wikipedia pageview data linked to this company.
Recent filings
- 2026-09-22 SCHEDULE 13D/A
- 2026-09-11 4
- 2026-09-11 4
- 2026-08-14 SCHEDULE 13G
- 2026-08-13 4
- 2026-08-13 4
- 2026-08-06 10-Q
- 2026-08-06 SCHEDULE 13G
- 2026-08-06 8-K
- 2026-07-30 8-K
- 2026-06-25 11-K
- 2026-06-17 8-K
- 2026-05-28 SD
- 2026-05-13 SCHEDULE 13G/A
- 2026-05-11 4
- 2026-05-11 4
- 2026-05-11 4
- 2026-05-11 4
- 2026-05-11 4
- 2026-05-11 4