Matson CEO sells 10,000 shares around $224 each

Matson, Inc. (MATX) reported that Chairman & CEO Matthew J. Cox sold a total of 10,000 shares of common stock on August 28, 2026 in three open-market transactions.

Rhea-AI Filing Summary

Matson, Inc. (MATX) reported that Chairman & CEO Matthew J. Cox sold a total of 10,000 shares of common stock on August 28, 2026 in three open-market transactions. The reported weighted average sale prices were $225.05, $223.91, and $223.22 per share, with each trade executed in multiple lots within disclosed price ranges. All sales were effected under a Rule 10b5-1 trading plan adopted on March 9, 2026.

Insider Trade Summary 10b5-1

Net Seller: 10,000 shares

Net Sell 3 txns

Insider COX MATTHEW J

Role Chairman & CEO

Sold 10,000 shs ($2.24M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	442	$225.05	$99K
Sale	Common Stock F1, F3	3,443	$223.91	$771K
Sale	Common Stock F1, F4	6,115	$223.22	$1.36M

Holdings After Transaction: Common Stock — 229,296 shares (Direct)

Footnotes (4)

1. F1. 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.
2. F2. This transaction was executed in multiple trades at prices ranging from $224.97 to $225.08. 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.
3. F3. This transaction was executed in multiple trades at prices ranging from $223.58 to $224.41. 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.
4. F4. This transaction was executed in multiple trades at prices ranging from $222.58 to $223.57. 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.

Key Figures

Shares sold (total): 10,000 shares First transaction shares and price: 442 shares at $225.05 per share Second transaction shares and price: 3,443 shares at $223.91 per share +5 more

8 metrics

Shares sold (total) 10,000 shares Total MATX common shares sold by Matthew J. Cox on August 28, 2026

First transaction shares and price 442 shares at $225.05 per share Open-market sale of MATX common stock on August 28, 2026

Second transaction shares and price 3,443 shares at $223.91 per share Open-market sale of MATX common stock on August 28, 2026

Third transaction shares and price 6,115 shares at $223.22 per share Open-market sale of MATX common stock on August 28, 2026

Price range for first transaction $224.97–$225.08 Range of individual trade prices; weighted average $225.05

Price range for second transaction $223.58–$224.41 Range of individual trade prices; weighted average $223.91

Price range for third transaction $222.58–$223.57 Range of individual trade prices; weighted average $223.22

Rule 10b5-1 plan adoption date March 9, 2026 Date Matthew J. Cox adopted the trading plan governing these sales

Key Terms

Rule 10b5-1 trading plan, weighted average sale price, open market or private transaction

3 terms

Rule 10b5-1 trading plan regulatory

"The sale of shares ... were effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average sale price financial

"The price reported above reflects the weighted average sale price"

open market or private transaction financial

"transaction code description: Sale in open market or private transaction"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider trading activity did MATX report for Matthew J. Cox on this Form 4?

The filing reports that Chairman & CEO Matthew J. Cox sold 10,000 shares of Matson, Inc. common stock on August 28, 2026 in three open-market transactions at reported weighted average prices between about $223 and $225 per share.

How many MATX shares did Matthew J. Cox sell in each transaction?

Matthew J. Cox sold 442 shares at a weighted average price of $225.05, 3,443 shares at $223.91, and 6,115 shares at $223.22, all on August 28, 2026, totaling 10,000 shares of Matson, Inc. common stock.

Were the August 28, 2026 MATX insider sales under a Rule 10b5-1 plan?

Yes. The filing states the sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Matthew J. Cox on March 9, 2026, meaning the transactions followed a pre-arranged trading plan rather than being initiated at the time of sale.

What price ranges applied to the MATX share sales reported in this Form 4?

The filing notes that individual trades occurred in ranges of $224.97–$225.08, $223.58–$224.41, and $222.58–$223.57. For each transaction, the Form 4 reports a weighted average sale price within the respective range.

How many total MATX shares were sold by Matthew J. Cox according to this Form 4?

According to the Form 4, Matthew J. Cox sold a total of 10,000 shares of Matson, Inc. common stock on August 28, 2026, all reported as open-market or private sales of non-derivative common stock held directly.

Does the MATX Form 4 disclose Matthew J. Cox’s remaining share holdings after these sales?

No. For each reported sale, the field for shares owned following the transaction is left blank, so this Form 4 does not state Matthew J. Cox’s remaining Matson, Inc. share holdings after the August 28, 2026 transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/28/2026 - 08:39 PM EDT Accepted by SEC EDGAR 08/28/2026 - 08:38 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

COX MATTHEW J

(Last) (First) (Middle)

1411 SAND ISLAND PARKWAY

(Street)

HONOLULU HAWAII 96819

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Matson, Inc. [ MATX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/28/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/28/2026		S(1)		442	D	$225.05(2)	238,854	D
Common Stock	08/28/2026		S(1)		3,443	D	$223.91(3)	235,411	D
Common Stock	08/28/2026		S(1)		6,115	D	$223.22(4)	229,296	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

2. This transaction was executed in multiple trades at prices ranging from $224.97 to $225.08. 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.

3. This transaction was executed in multiple trades at prices ranging from $223.58 to $224.41. 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.

4. This transaction was executed in multiple trades at prices ranging from $222.58 to $223.57. 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	08/28/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)