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  4. [Form 4] Matson, Inc. Insider Trading Activity

Matson (MATX) CEO Matthew Cox sells 10,000 shares in pre-planned trade

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Matson, Inc. Chairman & CEO Matthew J. Cox sold 10,000 shares of Matson common stock in open-market transactions. The sales occurred on June 29, 2026 in three tranches of 4,199, 3,054 and 2,747 shares at weighted average prices of $193.65, $192.89 and $191.81 per share. The trades were effected under a Rule 10b5-1 trading plan adopted on March 9, 2026. Following these sales, Cox directly owns 249,296 Matson shares.

Positive

  • None.

Negative

  • None.
Insider COX MATTHEW J
Role Chairman & CEO
Sold 10,000 shs ($1.93M)
Type Security Shares Price Value
Sale Common Stock 2,747 $191.81 $527K
Sale Common Stock 3,054 $192.89 $589K
Sale Common Stock 4,199 $193.65 $813K
Holdings After Transaction: Common Stock — 256,549 shares (Direct, null)
Footnotes (1)
  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. This transaction was executed in multiple trades at prices ranging from $191.29 to $192.23. 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 $192.34 to $193.20. 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 $193.37 to $193.87. 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.
Shares sold 10,000 shares Total Matson common stock sold on June 29, 2026
Tranche 1 sale price $193.65 per share Weighted average price for 4,199 shares sold
Tranche 2 sale price $192.89 per share Weighted average price for 3,054 shares sold
Tranche 3 sale price $191.81 per share Weighted average price for 2,747 shares sold
Shares held after transaction 249,296 shares Direct Matson holdings by Matthew J. Cox after sales
Rule 10b5-1 trading plan financial
"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."
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""
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."
multiple trades financial
"This transaction was executed in multiple trades at prices ranging from $191.29 to $192.23."
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chairman & CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/29/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/29/2026S(1)2,747D$191.81(2)256,549D
Common Stock06/29/2026S(1)3,054D$192.89(3)253,495D
Common Stock06/29/2026S(1)4,199D$193.65(4)249,296D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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 $191.29 to $192.23. 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 $192.34 to $193.20. 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 $193.37 to $193.87. 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. Cox06/29/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Matson (MATX) disclose for Matthew J. Cox?

Matson disclosed that Chairman & CEO Matthew J. Cox sold 10,000 shares of common stock. The transactions were open-market sales executed in three tranches on June 29, 2026, as reported in a Form 4 insider trading filing.

At what prices did the Matson (MATX) CEO sell his shares on June 29, 2026?

Matthew J. Cox’s Matson share sales used weighted average prices of $191.81, $192.89 and $193.65 per share. Each tranche was executed through multiple trades within narrow price ranges, as detailed in the Form 4 footnotes for that date.

How many Matson (MATX) shares does CEO Matthew J. Cox hold after the reported sale?

After selling 10,000 Matson shares, CEO Matthew J. Cox directly holds 249,296 shares. This post-transaction holding is disclosed in the Form 4 and provides context on his remaining equity position in the company.

Were the Matson (MATX) CEO’s June 29, 2026 stock sales pre-planned?

Yes. The Form 4 footnotes state the sales were made under a Rule 10b5-1 trading plan adopted on March 9, 2026. Such plans pre-schedule trades, which can make the timing less indicative of the insider’s short-term market view.

What type of transaction code appears in the Matson (MATX) Form 4 for June 29, 2026?

The Form 4 uses transaction code “S,” indicating sales in the open market or private transactions. All three entries for June 29, 2026 are non-derivative sales of Matson common stock, consistent with ordinary share disposals.