Seagate Technology — Director's Dealing 2025

Nov 14, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology Holdings plc (STX)
CIK: 0001137789
Period of Report: 2025-11-13

Reporting Person: Romano Gianluca (EVP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-13	Ordinary Shares	S	300	$260.03	Disposed	55993	Direct
2025-11-13	Ordinary Shares	S	1111	$261.7877	Disposed	54882	Direct
2025-11-13	Ordinary Shares	S	1512	$262.5841	Disposed	53370	Direct
2025-11-13	Ordinary Shares	S	700	$263.5929	Disposed	52670	Direct
2025-11-13	Ordinary Shares	S	400	$265.4025	Disposed	52270	Direct
2025-11-13	Ordinary Shares	S	300	$266.68	Disposed	51970	Direct
2025-11-13	Ordinary Shares	S	600	$267.5817	Disposed	51370	Direct
2025-11-13	Ordinary Shares	S	479	$269.1031	Disposed	50891	Direct
2025-11-13	Ordinary Shares	S	700	$270.5329	Disposed	50191	Direct
2025-11-13	Ordinary Shares	S	400	$271.355	Disposed	49791	Direct
2025-11-13	Ordinary Shares	S	700	$272.7114	Disposed	49091	Direct
2025-11-13	Ordinary Shares	S	700	$273.7886	Disposed	48391	Direct
2025-11-13	Ordinary Shares	S	100	$275.69	Disposed	48291	Direct

Footnotes

F1: These Ordinary Shares were sold in multiple trades at prices ranging from $259.73 to $260.29. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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.

F2: All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 1, 2025.

F3: These Ordinary Shares were sold in multiple trades at prices ranging from $261.15 to $262.13. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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.

F4: These Ordinary Shares were sold in multiple trades at prices ranging from $262.15 to $263.08. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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.

F5: These Ordinary Shares were sold in multiple trades at prices ranging from $263.26 to $263.90. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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.

F6: These Ordinary Shares were sold in multiple trades at prices ranging from $265.07 to $266.03. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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.

F7: These Ordinary Shares were sold in multiple trades at prices ranging from $266.22 to $266.91. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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.

F8: These Ordinary Shares were sold in multiple trades at prices ranging from $267.25 to $268.09. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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.

F9: These Ordinary Shares were sold in multiple trades at prices ranging from $268.71 to $269.62. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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.

F10: These Ordinary Shares were sold in multiple trades at prices ranging from $270.05 to $270.94. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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.

F11: These Ordinary Shares were sold in multiple trades at prices ranging from $271.11 to $271.98. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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.

F12: These Ordinary Shares were sold in multiple trades at prices ranging from $272.21 to $273.16. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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.

F13: These Ordinary Shares were sold in multiple trades at prices ranging from $273.42 to $274.37. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC 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.