MILLER SCOTT P 4

What Happened

• Scott P. Miller, Vice President and Chief Investment Officer of Kirby Corp (KEX), had 2,010 restricted stock units (RSUs vest) convert into common shares on January 24, 2026. The gross value at the reporting price ($128.70) was about $258,687. To cover tax withholding, 549 shares were surrendered (disposed) at $128.70 for ~$70,656, leaving approximately 1,461 net shares delivered (net value ≈ $188,031). This was a vesting/settlement of awards (not an open‑market buy or sell).

Key Details

• Transaction date: January 24, 2026.
• Primary events: conversion/settlement of 2,010 RSUs (code M) and share withholding for taxes of 549 shares (code F) at $128.70 (withheld value $70,656).
• Net shares received: ~1,461 (2,010 vested − 549 withheld).
• Footnotes: F1 — each RSU is a contingent right to cash or one common share. F2 — these RSUs were granted Jan 29, 2021 and vest in five equal annual installments beginning Jan 24, 2022; issuer may deliver cash or shares on each vesting date.
• Filing timing: Form 4 was filed Jan 27, 2026 for the Jan 24 transaction; the filing shows no late‑filing flag in the provided data.

Context

• This was a routine equity award settlement (RSU vesting) with share withholding to satisfy tax obligations (a common cashless withholding method). It is not an open‑market sale or purchase that signals a trading decision by the insider.