Seagate EVP & CTO John C. Morris sells 113 company shares

Seagate Technology Holdings plc executive John C. Morris, EVP & CTO, reported selling 113 ordinary shares on December 15, 2025 at $291.89 per share.

Rhea-AI Filing Summary

Seagate Technology Holdings plc executive John C. Morris, EVP & CTO, reported selling 113 ordinary shares on December 15, 2025 at $291.89 per share. The transaction left him with 14,250 ordinary shares beneficially owned directly and was carried out under a Rule 10b5-1 trading plan adopted on June 1, 2025.

Insider Trade Summary

Net Seller: 113 shares

Net Sell 1 txn

Insider Morris John Christopher

Role EVP & CTO

Sold 113 shs ($33K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	113	$291.89	$33K

Holdings After Transaction: Ordinary Shares — 14,250 shares (Direct)

Footnotes (1)

1. F1. These Ordinary Shares were sold under a Rule 10b5-1 trading plan adopted by the Reporting Person on June 1, 2025.

FAQ

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

What insider transaction did Seagate Technology Holdings (STX) report?

John C. Morris, an executive at Seagate Technology Holdings plc, reported the sale of 113 ordinary shares on December 15, 2025.

Who is John C. Morris in relation to Seagate Technology Holdings (STX)?

John C. Morris is reported as an officer of Seagate Technology Holdings plc, serving as EVP & CTO.

At what price were the Seagate Technology (STX) shares sold?

The 113 ordinary shares were sold at a price of $291.89 per share.

How many Seagate Technology (STX) shares does John C. Morris own after the sale?

After the reported transaction, John C. Morris beneficially owns 14,250 ordinary shares directly.

Was the Seagate Technology (STX) insider sale made under a Rule 10b5-1 plan?

Yes. The filing states that these ordinary shares were sold under a Rule 10b5-1 trading plan adopted by John C. Morris on June 1, 2025.

Is this Seagate Technology (STX) insider filing for one or multiple reporting persons?

The document indicates that it is a Form filed by one reporting person, referring to John C. Morris.

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

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Accepted by SEC EDGAR 12/16/2025 - 04:12 PM 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^*

Morris John Christopher

(Last) (First) (Middle)

SEAGATE TECHNOLOGY PLC

47488 KATO ROAD

(Street)

FREMONT CA 94538

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Seagate Technology Holdings plc [ STX ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & CTO

3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025

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

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

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

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
Ordinary Shares	12/15/2025		S		113(1)	D	$291.89	14,250	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. These Ordinary Shares were sold under a Rule 10b5-1 trading plan adopted by the Reporting Person on June 1, 2025.

Remarks:

	/s/ Louis J. Thorson, Attorney-in-Fact for John C. Morris	12/16/2025
	** 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.