Summary
Updated Aug 30, 2026
William Matthew Woodruff is VP of Public and Govt Affairs of KIRBY CORP (KEX). 5 SEC Form 4 filings on record, most recently on 18 May 2026. Most recent open-market trade: sold $100K of KEX on 18 May 2026. Lifetime open-market sales: $344K.
Recent Transactions
6Every recent SEC Form 4 transaction William Matthew Woodruff has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies William Matthew Woodruff 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.
- David W. Grzebinski - $7.60M of KEX open-market activity in the last 12 months
- Christian G. O'Neil - $4.39M of KEX open-market activity in the last 12 months
- Amy D. Husted - $3.21M of KEX open-market activity in the last 12 months
- Barry E. Davis - $1.09M of KEX open-market activity in the last 12 months
- Ronald A. Dragg - $550K of KEX open-market activity in the last 12 months
- Scott P. Miller - $478K of KEX 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 William Matthew Woodruff?
William Matthew Woodruff is a corporate insider, tracked as VP of Public and Govt Affairs of KIRBY CORP (KEX). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did William Matthew Woodruff last file a Form 4?
The most recent primary Form 4 on record is dated 18 May 2026, one of 5 filings going back to 2026.
Has William Matthew Woodruff been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($344K) across all tracked filings.
Where can I see all of William Matthew Woodruff'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.
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