Gianluca Romano - 20 Feb 2026 Form 4 Insider Report for Seagate Technology Holdings plc (STX)

Reporting relationship: EVP & CFO
Issuer ticker: STX
Reported as of: 20 Feb 2026
Net transaction value: -$5,373,619
SEC form: 4
Accepted by SEC: 23 Feb 2026, 17:20:44 UTC
Prior SEC filing: 12 Dec 2025
Next SEC filing: 11 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Louis J. Thorson, Attorney-in-Fact for Gianluca Romano

Key filing fact

Gianluca Romano filed Form 4 for Seagate Technology Holdings plc (STX) on 23 Feb 2026.

Key facts

This page summarizes Gianluca Romano's Form 4 filing for Seagate Technology Holdings plc (STX).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 23 Feb 2026, 17:20.

Change

Previous filing in this sequence was filed on 12 Dec 2025.
Current net transaction value: -$5,373,619.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001764650 Primary reporting owner

Romano Gianluca

Relationship: EVP & CFO
Address: SEAGATE TECHNOLOGY HOLDINGS PLC, 47488 KATO ROAD, FREMONT
Signature: /s/ Louis J. Thorson, Attorney-in-Fact for Gianluca Romano
Signature date: 23 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

STX transaction

Ordinary Shares

Options Exercise

Transaction value: $0
Shares: +11,807
Change %: +23%
Price: $0.000000
Shares after: 62,278
Date: 20 Feb 2026
Ownership: Direct
Footnotes: F1

STX transaction

Ordinary Shares

Tax liability

Transaction value: $2,456,382
Shares: -5,975
Change %: -9.6%
Price: $411.11
Shares after: 56,303
Date: 20 Feb 2026
Ownership: Direct

STX transaction

Ordinary Shares

Options Exercise

Transaction value: $0
Shares: +14,043
Change %: +25%
Price: $0.000000
Shares after: 70,346
Date: 22 Feb 2026
Ownership: Direct

STX transaction

Ordinary Shares

Tax liability

Transaction value: $2,917,237
Shares: -7,096
Change %: -10%
Price: $411.11
Shares after: 63,250
Date: 22 Feb 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

STX transaction Derivative

Performance-Based Restricted Share Units

Options Exercise

Transaction value: $0
Shares: -11,807
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 20 Feb 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 11,807
Exercise price: $0.000000
Footnotes: F2

STX transaction Derivative

Restricted Share Unit

Options Exercise

Transaction value: $0
Shares: -14,043
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 22 Feb 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 14,043
Exercise price: $0.000000
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Includes 120 Ordinary Shares purchased by Reporting Person on January 31, 2026 under the Issuer's Employee Stock Purchase Plan. Such acquisition is exempt from reporting pursuant to Rule 16b-3 under the Securities Exchange Act of 1934.

Footnote F2

On January 24, 2026 the Compensation and People Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to the 11,807 Performance Share Units granted on February 20, 2024. The 11,807 Ordinary Shares vested on February 20, 2026.

Footnote F3

Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Such RSUs vested as to one-quarter of the shares on February 22, 2023, and each one year anniversary thereafter.