Company Analysis

Kirby Corporation (KEX)

NYSE: KEX · Water Transportation · Houston, TX · filing with the SEC since 1994
Grade5.5
◀ Past 5.2● Present 5.8▶ Future 5.5

Who owns Kirby Corporation

As filed with the SEC
Holders of 5% or more
3
Dimensional Fund Advisors LP holds 5.2% of Common Stock, as its SCHEDULE 13G filed Jul 14, 2026 says.
Directors and officers
20
report now, of 37 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Dimensional Fund Advisors LP
5.2%
Vanguard Capital Management
5.17%
Vanguard Portfolio Management
5.03%
Morgan Stanley
SCHEDULE 13G/A · filed Feb 12, 2026 · Common Stock · reported falling below 5%, from 6% in May 6, 2025
under 5%
Neuberger Berman Group LLC
SCHEDULE 13G/A · filed Mar 6, 2025 · Common · reported falling below 5%
under 5%
Goldman Sachs Asset Management, L.P.
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock · reported falling below 5%, from 5.1% in May 11, 2026
under 5%
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
under 5%
What KEX reports owning in othersstakes of 5% or more, and other ties

58 subsidiaries in 4 countries, from the list filed with the 10-K filed Feb 17, 2026.

Insider tradesForm 4
19sales
0purchases
0sales on a scheduled plan
10people selling
$21.7Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 4, 2025 to Nov 4, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
17181920212223242526
2026 runs to Nov 4, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window10 of 37 on the roster
PersonRole as filedSalesSoldOn a planBuysBought
Grzebinski David WCEO3$10.2M00$0
O'Neil Christian G.President and COO3$4.4M00$0
Husted Amy D.Exec VP General Counsel & Sec3$3.2M00$0
Dragg Ronald AVice President and Controller3$1.2M00$0
Davis Barry Edirector1$1.1M00$0
Miller Scott PVP - CIO1$500,00000$0
Kumar RajExec VP and CFO1$400,00000$0
Woodruff William MatthewVP of Public and Govt Affairs2$300,00000$0
Niemietz Kurt A.VP IR & Treasurer1$200,00000$0
Stewart Richard Rossdirector1$200,00000$0
SI Assistanton KEX · research, not advice