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.

Kirby Corporation Director ยท CEO
3 years ยท Since 2023

Chief executive roles

Kirby Corporation ยท President & CEO
Dates unknown

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 โˆ’1,000 โ€” โ€”
Sep 16, 2024 Kirby Corporation Option exercise +26,358 $75.50 $1,990,029
Sep 16, 2024 Kirby Corporation Open-market sale โˆ’26,358 $120.46 $3,175,085
Jun 26, 2024 Kirby Corporation Open-market sale โˆ’3,000 $120.31 $360,930
Feb 12, 2024 Kirby Corporation Open-market sale โˆ’18,000 $85.44 $1,537,920
Feb 6, 2024 Kirby Corporation Open-market sale โˆ’7,000 $84.72 $593,040
Feb 3, 2024 Kirby Corporation Option exercise +13,392 โ€” โ€”
Feb 3, 2024 Kirby Corporation Shares withheld for tax โˆ’5,271 $83.76 $441,499
Jan 24, 2024 Kirby Corporation Option exercise +40,110 โ€” โ€”
Jan 24, 2024 Kirby Corporation Shares withheld for tax โˆ’15,838 $77.55 $1,228,237
Dec 28, 2023 Kirby Corporation Gift โˆ’1,000 โ€” โ€”
Dec 1, 2023 Kirby Corporation Open-market sale โˆ’4,000 $76.78 $307,120
Oct 3, 2023 Kirby Corporation Open-market sale โˆ’5,000 $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 โˆ’26,634 $83.03 $2,211,421

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