Massivemarkets

SEC Form 4

Kirby Corporation (KEX) insider trading

In the 12 months to Oct 24, 2026, 10 KEX insiders reported open-market sales of $19.1M across 18 filings; no open-market purchases were filed.

Latest filing · Last 12 months · Source: SEC EDGAR · How we count

Open-market sales
$19.1M
18 filings · 10 insiders
Open-market purchases
$0
0 filings

Who traded KEX, and when

  • Sale

KEX daily close from Oct 24, 2025 to Oct 23, 2026, between $86.87 and $152.59, last $133.15. 18 sale and 0 purchase filings by 10 insiders, marked at their filing dates. David W. Grzebinski, CEO: sold $7.6M across 2 filings, first filed Nov 24, 2025, last Feb 26, 2026. Christian G. O'Neil, President and COO: sold $4.4M across 3 filings, first filed Dec 23, 2025, last May 18, 2026. Amy D. Husted, Exec VP General Counsel & Sec: sold $3.2M across 3 filings, first filed Nov 24, 2025, last May 18, 2026. Ronald A. Dragg, Vice President and Controller: sold $1.2M across 3 filings, first filed Nov 13, 2025, last May 6, 2026. Barry E. Davis, Director: sold $1.1M across 1 filing, first filed Feb 23, 2026, last Feb 23, 2026. Scott P. Miller, VP - CIO: sold $477.9K across 1 filing, first filed Feb 11, 2026, last Feb 11, 2026. 4 others: sold $1.1M across 5 filings, first filed Nov 12, 2025, last May 18, 2026.

Largest mark · tap a row for others

David W. Grzebinski · CEO

Sale $4,441,468

34,152 shares at $130.05 avg

Filed Feb 26, 2026 · traded Feb 24

Close on filing date $129.66

KEX daily closelast $133.15

David W. Grzebinski · CEO

$7.6M sold

Christian G. O'Neil · President and COO

$4.4M sold

Amy D. Husted · Exec VP General Counsel & Sec

$3.2M sold

Ronald A. Dragg · Vice President and Controller

$1.2M sold

Barry E. Davis · Director

$1.1M sold

Scott P. Miller · VP - CIO

$477.9K sold

4 others

$1.1M sold
One row per insider, smaller filers combined; marks sit at the SEC filing date, sized by dollar value.

Has the Kirby Corporation's CEO sold stock?

Yes. David W. Grzebinski (CEO) sold 63,603 shares ($7.6M) between Nov 2025 and Feb 2026.

Open-market trades

18 filings in the last 12 months
InsiderRoleSoldBoughtFilingsPre-arranged (10b5-1)Last filed
David W. GrzebinskiCEO$7.6M—2—
Christian G. O'NeilPresident and COO$4.4M—3—
Amy D. HustedExec VP General Counsel & Sec$3.2M—3—
Ronald A. DraggVice President and Controller$1.2M—3—
Barry E. DavisDirector$1.1M—1—
Scott P. MillerVP - CIO$477.9K—1—
Raj KumarExec VP and CFO$398.1K—1—
William Matthew WoodruffVP of Public and Govt Affairs$343.7K—2—
Richard Ross StewartDirector$207.4K—1—
Kurt A. NiemietzVP IR & Treasurer$171.2K—1—
Other insider activity (not market trades) · 53 records
  • Option exercises27 records
  • Tax withholding17 records
  • Grants and awards9 records

Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.

Build this yourself

This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:

Agent prompt

Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for KEX every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.

How to read this page

Open-market purchase or sale
A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
Filing date
Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.