Summary
Updated Aug 31, 2026
Katherine E. White files SEC Form 4 reports at ALTA EQUIPMENT GROUP INC. (ALTG). 1 SEC Form 4 filing on record, dated 1 June 2026.
Recent Transactions
1Every recent SEC Form 4 transaction Katherine E. White has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Katherine E. White go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Katherine E. White 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.
- Mill Road Capital III, L.P. - $492K of ALTG open-market activity in the last 12 months
- Daniel Shribman - $203K of ALTG open-market activity in the last 12 months
- Ryan Greenawalt - $197K of ALTG open-market activity in the last 12 months
- Anthony Colucci - $57K of ALTG open-market activity in the last 12 months
- Sidhartha Nair - $27K of ALTG open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Katherine E. White?
Katherine E. White is a corporate insider of ALTA EQUIPMENT GROUP INC. (ALTG). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Katherine E. White last file a Form 4?
The only primary Form 4 on record is dated 1 June 2026.
Where can I see all of Katherine E. White's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Follow Katherine E. White and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial