Matson CEO sells 10,000 shares in planned trade

Matson, Inc.’s Chairman & CEO Matthew J. Cox sold 10,000 shares of common stock in open-market transactions on June 8, 2026.

Rhea-AI Filing Summary

Matson, Inc.’s Chairman & CEO Matthew J. Cox sold 10,000 shares of common stock in open-market transactions on June 8, 2026. The sales occurred at prices ranging from about $186.05 to $191.66 per share and were executed under a Rule 10b5-1 trading plan adopted on March 9, 2026. Following these pre-planned sales, he continues to hold a substantial direct ownership stake in Matson, according to the filing.

Insider Trade Summary 10b5-1

Net Seller: 10,000 shares

Net Sell 5 txns

Insider COX MATTHEW J

Role Chairman & CEO

Sold 10,000 shs ($1.90M)

Type	Security	Shares	Price	Value
Sale	Common Stock	147	$186.127	$27K
Sale	Common Stock	935	$189.3531	$177K
Sale	Common Stock	1,311	$188.4448	$247K
Sale	Common Stock	1,456	$191.0961	$278K
Sale	Common Stock	6,151	$190.3941	$1.17M

Holdings After Transaction: Common Stock — 259,296 shares (Direct)

Footnotes (6)

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 $186.05 to $186.21. 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 $188.80 to $189.62. 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 $187.80 to $188.77. 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.
5. F5. This transaction was executed in multiple trades at prices ranging from $190.86 to $191.66. 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.
6. F6. This transaction was executed in multiple trades at prices ranging from $189.84 to $190.79. 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: 10,000 shares Sale price tranche: $190.3941 per share Lowest disclosed trade range: $186.05–$186.21 per share +3 more

6 metrics

Shares sold 10,000 shares Total Matson common stock sold on June 8, 2026

Sale price tranche $190.3941 per share Weighted average sale price for one transaction group on June 8, 2026

Lowest disclosed trade range $186.05–$186.21 per share Price range for one set of trades referenced in a footnote

Highest disclosed trade range $190.86–$191.66 per share Price range for another trade set referenced in a footnote

Plan adoption date March 9, 2026 Date the Rule 10b5-1 trading plan was adopted

Transactions reported 5 sale entries Non-derivative open-market sale transactions in this Form 4

Key Terms

Rule 10b5-1 trading plan, open-market sale, weighted average sale price, non-derivative, +1 more

5 terms

Rule 10b5-1 trading plan regulatory

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

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.

open-market sale financial

"transaction_action: "open-market sale" for each non-derivative common stock transaction"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

weighted average sale price financial

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

non-derivative financial

"transaction_type: "non-derivative" for each common stock sale entry"

Form 4 regulatory

"The sale of shares reported on this Form 4 were effected pursuant to a Rule 10b5-1..."

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

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

What did Matson (MATX) disclose about Matthew J. Cox’s latest stock transactions?

Matson reported that Chairman & CEO Matthew J. Cox sold 10,000 shares of common stock in open-market transactions on June 8, 2026. These trades were executed under a pre-arranged Rule 10b5-1 trading plan, indicating they were scheduled in advance.

How many Matson (MATX) shares did the CEO sell and at what prices?

The CEO sold 10,000 Matson common shares across multiple trades on June 8, 2026. Reported weighted average sale prices for the trade groupings ranged roughly between $186.05 and $191.66 per share, based on detailed price ranges disclosed in the Form 4 footnotes.

Were Matthew J. Cox’s Matson (MATX) stock sales part of a 10b5-1 plan?

Yes. The filing states the sales were made under a Rule 10b5-1 trading plan adopted by Matthew J. Cox on March 9, 2026. Such plans allow insiders to pre-schedule trades, reducing the significance of trade timing as a signal of insider sentiment.

What type of transactions did the Matson (MATX) CEO execute in this Form 4?

All reported transactions were open-market sales of common stock, coded as “S” on the Form 4. The sales were non-derivative, meaning they involved actual shares rather than options or other derivatives, and were executed directly in the market or similar venues.

Does the Matson (MATX) CEO still hold shares after selling 10,000 shares?

Yes. Even after selling 10,000 shares, the Form 4 shows that Matthew J. Cox continues to own a substantial number of Matson common shares directly. The filing indicates an ongoing, meaningful equity stake alongside these scheduled sales.

How were the Matson (MATX) CEO’s sale prices reported in the Form 4?

Each transaction line shows a weighted average sale price, with footnotes explaining that trades were executed in multiple lots within stated price ranges. The CEO has undertaken to provide exact share counts and prices for each lot upon reasonable request.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 06/09/2026 - 05:06 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)
06/08/2026

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	06/08/2026		S(1)		147	D	$186.127(2)	269,149	D
Common Stock	06/08/2026		S(1)		935	D	$189.3531(3)	268,214	D
Common Stock	06/08/2026		S(1)		1,311	D	$188.4448(4)	266,903	D
Common Stock	06/08/2026		S(1)		1,456	D	$191.0961(5)	265,447	D
Common Stock	06/08/2026		S(1)		6,151	D	$190.3941(6)	259,296	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 $186.05 to $186.21. 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 $188.80 to $189.62. 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 $187.80 to $188.77. 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.

5. This transaction was executed in multiple trades at prices ranging from $190.86 to $191.66. 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.

6. This transaction was executed in multiple trades at prices ranging from $189.84 to $190.79. 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	06/08/2026
	** 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)