X0609 4 2026-10-29 0000003453 Matson, Inc. MATX 0001206911 COX MATTHEW J false 1411 SAND ISLAND PARKWAY HONOLULU HI 96819 1 1 Chairman & CEO 1 Common Stock 2026-10-29 4 S 0 280.0000 230.6314 D 219016.0000 D Common Stock 2026-10-29 4 S 0 1290.0000 226.4400 D 217726.0000 D Common Stock 2026-10-29 4 S 0 1560.0000 229.9300 D 216166.0000 D Common Stock 2026-10-29 4 S 0 3320.0000 227.7100 D 212846.0000 D Common Stock 2026-10-29 4 S 0 3550.0000 228.8700 D 209296.0000 D The sale of shares reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 9, 2026. This transaction was executed in multiple trades at prices ranging from $230.63 to $230.64. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $226.06 to $226.92. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $229.50 to $230.35. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $227.23 to $228.18. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $228.44 to $229.43. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Matthew J. Cox 2026-10-29