David W. Grzebinski, CEO of Kirby Corporation (KEX 1.37%), reported the sale of 34,152 shares of Common Stock for approximately $4.44 million on Feb. 24, 2026, according to an SEC Form 4 filing.
Transaction summary
| Metric | Value |
|---|---|
| Shares sold (direct) | 34,152 |
| Transaction value | ~$4.4 million |
| Post-transaction shares (direct) | 98,241 |
| Post-transaction value (direct ownership) | ~$12.8 million |
Transaction value based on SEC Form 4 weighted average purchase price ($130.05); post-transaction value based on Feb. 24, 2026 market close ($130.05).
Key questions
- What was the structure of the transaction?
All 34,152 shares sold were acquired via the immediate exercise of options and then sold as Common Stock; this is a typical liquidity event for senior executives. - How did this sale impact Grzebinski’s overall direct ownership stake?
The sale reduced Grzebinski’s direct Common Stock holdings by 25.80%, leaving him with 98,241 shares directly held following the transaction.
Company overview
| Metric | Value |
|---|---|
| Revenue (TTM) | $3.36 billion |
| Net income (TTM) | $354.57 million |
| Price | $129.80 |
| 1-year price change | 26.74% |
*Price and 1-year performance calculated using Feb. 28, 2026 as the reference date.
NYSE: KEX
Key Data Points
Company snapshot
Kirby Corporation is a leading U.S. provider of marine transportation and specialized distribution services, operating one of the largest fleets of tank barges and towboats in the country. It transports materials such as petrochemicals, agricultural chemicals, various industrial oils, and refined petroleum products.
What this transaction means for investors
At the end of January, Kirby reported strong Q4 FY 2025 earnings, exceeding earnings per share (EPS) estimates of $1.62 and posting $1.68, the best in a quarter. The company also closed out FY2025 with another strong year of results, as it has continuously throughout the years. The stock has seen five consecutive years of annual growth and is already up 18% this year (as of Feb. 28, 2026). In February alone, the stock climbed 10.50%.
Kirby operates in an industry that may be unfamiliar to everyday consumers but is relied upon heavily in the energy and industrial sectors, as the country’s largest tech, petroleum, cargo shipping, and automobile companies rely on its transportation services to receive and send bulk inventory and waste.
It’s America’s largest operator of tank barges, which are non-operated shipping vessels that are attached to a boat that either pushes or pulls them. Barges typically operate in inland waterways, and Kirby often uses the Mississippi River system to transport goods.
If investors want a unique type of investment opportunity in an industry that remains essential among industrial conglomerates, then Kirby is a viable option.
