David W. Grzebinski
President & CEO at Kirby Corporation
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Kirby Corporation, 3 years.
Chief executive roles
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Nov 14, 2024 | Kirby Corporation | Gift | โ1,000 | โ | โ |
| Sep 16, 2024 | Kirby Corporation | Option exercise | +26,358 | $75.50 | $1,990,029 |
| Sep 16, 2024 | Kirby Corporation | Open-market sale | โ26,358 | $120.46 | $3,175,085 |
| Jun 26, 2024 | Kirby Corporation | Open-market sale | โ3,000 | $120.31 | $360,930 |
| Feb 12, 2024 | Kirby Corporation | Open-market sale | โ18,000 | $85.44 | $1,537,920 |
| Feb 6, 2024 | Kirby Corporation | Open-market sale | โ7,000 | $84.72 | $593,040 |
| Feb 3, 2024 | Kirby Corporation | Option exercise | +13,392 | โ | โ |
| Feb 3, 2024 | Kirby Corporation | Shares withheld for tax | โ5,271 | $83.76 | $441,499 |
| Jan 24, 2024 | Kirby Corporation | Option exercise | +40,110 | โ | โ |
| Jan 24, 2024 | Kirby Corporation | Shares withheld for tax | โ15,838 | $77.55 | $1,228,237 |
| Dec 28, 2023 | Kirby Corporation | Gift | โ1,000 | โ | โ |
| Dec 1, 2023 | Kirby Corporation | Open-market sale | โ4,000 | $76.78 | $307,120 |
| Oct 3, 2023 | Kirby Corporation | Open-market sale | โ5,000 | $80.54 | $402,700 |
| Sep 6, 2023 | Kirby Corporation | Option exercise | +26,634 | $68.50 | $1,824,429 |
| Sep 6, 2023 | Kirby Corporation | Open-market sale | โ26,634 | $83.03 | $2,211,421 |
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