Matson (MATX) SVP John Warren Sullivan sells 1,917 shares at $208.49

Q: What insider transaction did Matson (MATX) disclose for John Warren Sullivan?

Matson reported that Senior Vice President John Warren Sullivan sold 1,917 shares of common stock on 2026-08-11 . The transaction was reported as a sale in an open market or private transaction and is categorized as a non-derivative disposition.

Q: Was the Matson (MATX) insider sale made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5‑1 checkbox is not selected , indicating the reported sale was not affirmed as being made under a Rule 10b5‑1 trading plan. No footnote in the filing recharacterizes the transaction as plan-based.

Q: What type of transaction is reported in the Matson (MATX) Form 4?

The Form 4 reports a non-derivative sale of Matson common stock coded as “S” , described as a sale in an open market or private transaction. It involves 1,917 shares disposed of directly by the reporting person.

Q: Is the Matson (MATX) Form 4 transaction a buy or sell, and what is the size?

The Form 4 reflects a sell transaction by Senior Vice President John Warren Sullivan, disposing of 1,917 shares of Matson common stock. The transaction direction is identified from the filing’s disposition code and summarized as a net sale.

Filing Impact

(Moderate)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Matson, Inc. insider John Warren Sullivan, a Senior Vice President, reported a sale of common stock. On 2026-08-11, he sold 1,917 shares at a price of $208.49 per share in a transaction described as a sale in the open market or a private transaction. Following this sale, he directly holds 7,630 shares of Matson common stock. The filing indicates the Rule 10b5-1 plan checkbox was not selected.

Insider Trade Summary

Net Seller: 1,917 shares

Net Sell 1 txn

Insider Sullivan John Warren

Role Senior Vice President

Sold 1,917 shs ($400K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,917	$208.49	$400K

Holdings After Transaction: Common Stock — 7,630 shares (Direct)

Key Figures

Shares sold: 1,917 shares Sale price per share: $208.49 per share Shares owned after transaction: 7,630 shares +1 more

4 metrics

Shares sold 1,917 shares Non-derivative sale of Matson common stock on 2026-08-11

Sale price per share $208.49 per share Price for the 1,917 Matson common shares sold

Shares owned after transaction 7,630 shares Direct holdings of John Warren Sullivan following the sale

Net shares sold 1,917 shares Net buy/sell direction reported as net-sell in transaction summary

Key Terms

open market, non-derivative, Rule 10b5-1

3 terms

open market market

"transaction_code_description: "Sale in open market or private transaction""

An open market is a system where buying and selling of goods, services, or financial assets happen freely without restrictions or special controls. For investors, it means they can trade assets easily and quickly, which helps determine fair prices based on supply and demand. This environment encourages transparency and competition, making it easier to buy or sell with confidence.

non-derivative financial

"transaction_type: "non-derivative""

Rule 10b5-1 regulatory

"aff_10b5_one field indicates the Rule 10b5-1 checkbox status"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

What insider transaction did Matson (MATX) disclose for John Warren Sullivan?

Matson reported that Senior Vice President John Warren Sullivan sold 1,917 shares of common stock on 2026-08-11. The transaction was reported as a sale in an open market or private transaction and is categorized as a non-derivative disposition.

At what price were the Matson (MATX) shares sold in this Form 4?

The reported sale of Matson common stock by John Warren Sullivan was executed at $208.49 per share. This price is disclosed as a per-share amount for the 1,917 shares sold in the non-derivative transaction on 2026-08-11.

How many Matson (MATX) shares does John Warren Sullivan hold after the sale?

After the reported transaction, John Warren Sullivan directly holds 7,630 shares of Matson common stock. This post-transaction ownership figure reflects his remaining direct non-derivative holdings following the sale of 1,917 shares on 2026-08-11.

Was the Matson (MATX) insider sale made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5‑1 checkbox is not selected, indicating the reported sale was not affirmed as being made under a Rule 10b5‑1 trading plan. No footnote in the filing recharacterizes the transaction as plan-based.

What type of transaction is reported in the Matson (MATX) Form 4?

The Form 4 reports a non-derivative sale of Matson common stock coded as “S”, described as a sale in an open market or private transaction. It involves 1,917 shares disposed of directly by the reporting person.

Is the Matson (MATX) Form 4 transaction a buy or sell, and what is the size?

The Form 4 reflects a sell transaction by Senior Vice President John Warren Sullivan, disposing of 1,917 shares of Matson common stock. The transaction direction is identified from the filing’s disposition code and summarized as a net sale.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/12/2026 - 04:59 PM Accepted by SEC EDGAR 08/12/2026 - 04:58 PM

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).

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^*

Sullivan John Warren

(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)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Senior Vice President

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/11/2026		S		1,917	D	$208.49	7,630	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

	/s/ John W. Sullivan	08/11/2026
	** 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)

Source: View Original Filing on SEC EDGAR