KEX

SEC source: 0000950170-24-019157 · ownership.xml · nonDerivative · entry 1

STEWART RICHARD ROSS · CIK 0001256402 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,660

SEC source: 0000950170-24-015013 · ownership.xml · nonDerivative · entry 1

Grzebinski David W · CIK 0001483620 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,399

F1 · shares: These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 20, 2023.

F2 · price: The reported price is the weighted average sales price. The sales were at prices ranging from $85.14 to $85.77 per share. The reporting person will provide, upon request by the commission staff, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-24-012556 · ownership.xml · nonDerivative · entry 1

DRAGG RONALD A · CIK 0001205692 · Vice President and Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,651

SEC source: 0000950170-24-012554 · ownership.xml · nonDerivative · entry 1

MILLER SCOTT P · CIK 0001662899 · VP - CIO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,000

F1 · shares: These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 2, 2023.

SEC source: 0000950170-24-012552 · ownership.xml · nonDerivative · entry 1

O'Neil Christian G. · CIK 0001548929 · President-Kirby Inland Marine

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,079

F1 · price: The reported price is the weighted average sales price. The sales were at prices ranging from $85.10 to $85.23 per share. The reporting person will provide, upon request by the commission staff, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-24-012550 · ownership.xml · nonDerivative · entry 1

Husted Amy D. · CIK 0001423809 · VP General Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,280

F1 · price: The reported price is the weighted average sales price. The sales were at prices ranging from $84.29 to $84.40 per share. The reporting person will provide, upon request by the commission staff, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-24-012548 · ownership.xml · nonDerivative · entry 1

Grzebinski David W · CIK 0001483620 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,399

F1 · price: The reported price is the weighted average sales price. The sales were at prices ranging from $84.42 to $85.03 per share. The reporting person will provide, upon request by the commission staff, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-24-011574 · ownership.xml · derivative · entry 4

Woodruff William Matthew · CIK 0001721923 · VP of Public and Govt Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,112

Underlying: Common Stock · 278 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F3 · derivative.exercise_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F3 · derivative.expiration_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011574 · ownership.xml · derivative · entry 3

Woodruff William Matthew · CIK 0001721923 · VP of Public and Govt Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 909

Underlying: Common Stock · 303 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F2 · derivative.exercise_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F2 · derivative.expiration_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011574 · ownership.xml · nonDerivative · entry 2

Woodruff William Matthew · CIK 0001721923 · VP of Public and Govt Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,691

SEC source: 0000950170-24-011574 · ownership.xml · nonDerivative · entry 1

Woodruff William Matthew · CIK 0001721923 · VP of Public and Govt Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,937

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

SEC source: 0000950170-24-011570 · ownership.xml · derivative · entry 4

STRAHAN DORMAN LYNN · CIK 0001205693 · President-Kirby Engine Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,664

Underlying: Common Stock · 666 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F3 · derivative.exercise_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F3 · derivative.expiration_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011570 · ownership.xml · derivative · entry 3

STRAHAN DORMAN LYNN · CIK 0001205693 · President-Kirby Engine Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,184

Underlying: Common Stock · 728 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F2 · derivative.exercise_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F2 · derivative.expiration_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011570 · ownership.xml · nonDerivative · entry 2

STRAHAN DORMAN LYNN · CIK 0001205693 · President-Kirby Engine Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,054

SEC source: 0000950170-24-011570 · ownership.xml · nonDerivative · entry 1

STRAHAN DORMAN LYNN · CIK 0001205693 · President-Kirby Engine Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,649

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

SEC source: 0000950170-24-011568 · ownership.xml · derivative · entry 4

O'Neil Christian G. · CIK 0001548929 · President-Kirby Inland Marine

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,648

Underlying: Common Stock · 2,662 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F3 · derivative.exercise_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F3 · derivative.expiration_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011568 · ownership.xml · derivative · entry 3

O'Neil Christian G. · CIK 0001548929 · President-Kirby Inland Marine

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,184

Underlying: Common Stock · 2,728 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F2 · derivative.exercise_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F2 · derivative.expiration_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011568 · ownership.xml · nonDerivative · entry 2

O'Neil Christian G. · CIK 0001548929 · President-Kirby Inland Marine

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,073

SEC source: 0000950170-24-011568 · ownership.xml · nonDerivative · entry 1

O'Neil Christian G. · CIK 0001548929 · President-Kirby Inland Marine

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,195

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

SEC source: 0000950170-24-011566 · ownership.xml · derivative · entry 4

Niemietz Kurt A. · CIK 0001772191 · VP IR & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,664

Underlying: Common Stock · 416 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F3 · derivative.exercise_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F3 · derivative.expiration_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011566 · ownership.xml · derivative · entry 3

Niemietz Kurt A. · CIK 0001772191 · VP IR & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,365

Underlying: Common Stock · 455 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F2 · derivative.exercise_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F2 · derivative.expiration_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011566 · ownership.xml · nonDerivative · entry 2

Niemietz Kurt A. · CIK 0001772191 · VP IR & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,149

SEC source: 0000950170-24-011566 · ownership.xml · nonDerivative · entry 1

Niemietz Kurt A. · CIK 0001772191 · VP IR & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,408

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

SEC source: 0000950170-24-011564 · ownership.xml · derivative · entry 4

MILLER SCOTT P · CIK 0001662899 · VP - CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,656

Underlying: Common Stock · 1,664 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F3 · derivative.exercise_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F3 · derivative.expiration_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011564 · ownership.xml · derivative · entry 3

MILLER SCOTT P · CIK 0001662899 · VP - CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,773

Underlying: Common Stock · 1,591 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F2 · derivative.exercise_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F2 · derivative.expiration_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011564 · ownership.xml · nonDerivative · entry 2

MILLER SCOTT P · CIK 0001662899 · VP - CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,461

SEC source: 0000950170-24-011564 · ownership.xml · nonDerivative · entry 1

MILLER SCOTT P · CIK 0001662899 · VP - CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,255

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

SEC source: 0000950170-24-011562 · ownership.xml · derivative · entry 4

Kumar Raj · CIK 0001769605 · Exec VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,992

Underlying: Common Stock · 1,498 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F3 · derivative.exercise_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F3 · derivative.expiration_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011562 · ownership.xml · derivative · entry 3

Kumar Raj · CIK 0001769605 · Exec VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,365

Underlying: Common Stock · 1,455 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F2 · derivative.exercise_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F2 · derivative.expiration_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011562 · ownership.xml · nonDerivative · entry 2

Kumar Raj · CIK 0001769605 · Exec VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,287

SEC source: 0000950170-24-011562 · ownership.xml · nonDerivative · entry 1

Kumar Raj · CIK 0001769605 · Exec VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,521

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

SEC source: 0000950170-24-011558 · ownership.xml · derivative · entry 4

Kruger Julie Marie · CIK 0001968571 · VP Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,664

Underlying: Common Stock · 416 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F3 · derivative.exercise_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F3 · derivative.expiration_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011558 · ownership.xml · derivative · entry 3

Kruger Julie Marie · CIK 0001968571 · VP Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 729

Underlying: Common Stock · 243 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F2 · derivative.exercise_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F2 · derivative.expiration_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011558 · ownership.xml · nonDerivative · entry 2

Kruger Julie Marie · CIK 0001968571 · VP Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,589

SEC source: 0000950170-24-011558 · ownership.xml · nonDerivative · entry 1

Kruger Julie Marie · CIK 0001968571 · VP Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,871

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

SEC source: 0000950170-24-011554 · ownership.xml · derivative · entry 4

Husted Amy D. · CIK 0001423809 · VP General Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,876

Underlying: Common Stock · 2,219 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F3 · derivative.exercise_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F3 · derivative.expiration_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011554 · ownership.xml · derivative · entry 3

Husted Amy D. · CIK 0001423809 · VP General Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,819

Underlying: Common Stock · 2,273 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F2 · derivative.exercise_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F2 · derivative.expiration_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011554 · ownership.xml · nonDerivative · entry 2

Husted Amy D. · CIK 0001423809 · VP General Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,008

SEC source: 0000950170-24-011554 · ownership.xml · nonDerivative · entry 1

Husted Amy D. · CIK 0001423809 · VP General Counsel & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,772

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

SEC source: 0000950170-24-011552 · ownership.xml · derivative · entry 4

Grzebinski David W · CIK 0001483620 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,288

Underlying: Common Stock · 6,572 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F3 · derivative.exercise_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F3 · derivative.expiration_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011552 · ownership.xml · derivative · entry 3

Grzebinski David W · CIK 0001483620 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,460

Underlying: Common Stock · 6,820 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F2 · derivative.exercise_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F2 · derivative.expiration_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011552 · ownership.xml · nonDerivative · entry 2

Grzebinski David W · CIK 0001483620 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,399

SEC source: 0000950170-24-011552 · ownership.xml · nonDerivative · entry 1

Grzebinski David W · CIK 0001483620 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,670

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

SEC source: 0000950170-24-011549 · ownership.xml · derivative · entry 4

DRAGG RONALD A · CIK 0001205692 · Vice President and Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,052

Underlying: Common Stock · 763 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F3 · derivative.exercise_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F3 · derivative.expiration_date: These restricted stock units granted on February 1, 2023, vest in five equal annual installments beginning on February 3, 2024. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011549 · ownership.xml · derivative · entry 3

DRAGG RONALD A · CIK 0001205692 · Vice President and Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,274

Underlying: Common Stock · 758 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F2 · derivative.exercise_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F2 · derivative.expiration_date: These restricted stock units granted on January 28, 2022, vest in five equal annual installments beginning on February 3, 2023. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011549 · ownership.xml · nonDerivative · entry 2

DRAGG RONALD A · CIK 0001205692 · Vice President and Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,064

SEC source: 0000950170-24-011549 · ownership.xml · nonDerivative · entry 1

DRAGG RONALD A · CIK 0001205692 · Vice President and Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,432

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

SEC source: 0000950170-24-011574 · ownership.xml · derivative · entry 5

Woodruff William Matthew · CIK 0001721923 · VP of Public and Govt Affairs

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,495

Underlying: Common Stock · 1,495 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F4 · derivative.exercise_date: These restricted stock units granted on February 2, 2024, vest in five equal annual installments beginning on February 3, 2025. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F4 · derivative.expiration_date: These restricted stock units granted on February 2, 2024, vest in five equal annual installments beginning on February 3, 2025. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011570 · ownership.xml · derivative · entry 5

STRAHAN DORMAN LYNN · CIK 0001205693 · President-Kirby Engine Systems

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,390

Underlying: Common Stock · 2,390 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F4 · derivative.exercise_date: These restricted stock units granted on February 2, 2024, vest in five equal annual installments beginning on February 3, 2025. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F4 · derivative.expiration_date: These restricted stock units granted on February 2, 2024, vest in five equal annual installments beginning on February 3, 2025. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

SEC source: 0000950170-24-011568 · ownership.xml · derivative · entry 5

O'Neil Christian G. · CIK 0001548929 · President-Kirby Inland Marine

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,535

Underlying: Common Stock · 12,535 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive cash or one share of common stock of the issuer.

F4 · derivative.exercise_date: These restricted stock units granted on February 2, 2024, vest in five equal annual installments beginning on February 3, 2025. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.

F4 · derivative.expiration_date: These restricted stock units granted on February 2, 2024, vest in five equal annual installments beginning on February 3, 2025. Cash or shares of common stock of the issuer, at the election of the issuer, will be delivered to the reporting person on or as soon as practicable on each vesting date.