Quick Takeaways
- David W. Grzebinski has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $14,984,933.
- Recent insider filing activity is available below.
Insider Trading & Ownership of David W. Grzebinski
- Location
- Houston, TX
- Summary
- The estimated net worth of David W. Grzebinski is at least $14,984,933 dollars as of 26 Feb 2026. David W. Grzebinski is the CEO, Director of KIRBY CORP and owns shares of KIRBY CORP (KEX) stock worth about $14.98M.
- Signature
- Ronald A. Dragg, Agent and Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow David W. Grzebinski and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: KIRBY CORP ($14,984,933).
- Past-year value change for that position: -$7,604,800.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of David W. Grzebinski
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| KEX | KIRBY CORP | CEO, Director | $14,984,933 | -$7,604,800 | -34% | 24 Feb 2026 |
Insider Transactions Reported by David W. Grzebinski:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.