David W. Huml
PRESIDENT AND CEO · TENNANT CO
- 2026
- Mar 10, 2026
- 3
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies David W. Huml files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Donal L. Mulligan - $1.04M in TNC purchases and sales in the last 12 months
- Richard H. Zay - $605K in TNC purchases and sales in the last 12 months
- James T. Glerum Jr. - $500K in TNC purchases and sales in the last 12 months
- David Windley - $236K in TNC purchases and sales in the last 12 months
- Patrick E. Allen - $208K in TNC purchases and sales in the last 12 months
- Carol S. Eicher - $194K in TNC purchases and sales in the last 12 months
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Frequently asked questions
Who is David W. Huml?
David W. Huml is a corporate insider, tracked as PRESIDENT AND CEO of TENNANT CO (TNC). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did David W. Huml last file a Form 4?
The most recent primary Form 4 on record is dated 10 March 2026, one of 3 filings going back to 2026.
Has David W. Huml been buying or selling stock?
Recorded transactions: 3 open-market purchases ($258K) and 0 open-market sales across all tracked filings.
