Gianluca Romano - 07 Aug 2026 Form 4 Insider Report for Seagate Technology Holdings plc (STX)

Reporting relationship: EVP & CFO
Issuer ticker: STX
Reported as of: 07 Aug 2026
Net transaction value: -$743,706
SEC form: 4
Accepted by SEC: 11 Aug 2026, 16:21:18 UTC
Prior SEC filing: 15 Jun 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 11 Aug 2026.

Key facts

This page summarizes Gianluca Romano's Form 4 filing for Seagate Technology Holdings plc (STX).
8 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 11 Aug 2026, 16:21.

Change

Previous filing in this sequence was filed on 15 Jun 2026.
Current net transaction value: -$743,706.

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: 11 Aug 2026

Reported non-derivative transactions

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

STX transaction

Ordinary Shares

Sale

Transaction value: $66,862
Shares: -80
Change %: -0.37%
Price: $835.77
Shares after: 21,463
Date: 07 Aug 2026
Ownership: Direct
Footnotes: F1

STX transaction

Ordinary Shares

Sale

Transaction value: $67,107
Shares: -80
Change %: -0.37%
Price: $838.84
Shares after: 21,383
Date: 07 Aug 2026
Ownership: Direct

STX transaction

Ordinary Shares

Sale

Transaction value: $100,939
Shares: -120
Change %: -0.56%
Price: $841.16
Shares after: 21,263
Date: 07 Aug 2026
Ownership: Direct

STX transaction

Ordinary Shares

Sale

Transaction value: $67,429
Shares: -80
Change %: -0.38%
Price: $842.86
Shares after: 21,183
Date: 07 Aug 2026
Ownership: Direct

STX transaction

Ordinary Shares

Sale

Transaction value: $33,776
Shares: -40
Change %: -0.19%
Price: $844.40
Shares after: 21,143
Date: 07 Aug 2026
Ownership: Direct

STX transaction

Ordinary Shares

Sale

Transaction value: $67,738
Shares: -80
Change %: -0.38%
Price: $846.72
Shares after: 21,063
Date: 07 Aug 2026
Ownership: Direct
Footnotes: F2

STX transaction

Ordinary Shares

Sale

Transaction value: $135,845
Shares: -160
Change %: -0.76%
Price: $849.03
Shares after: 20,903
Date: 07 Aug 2026
Ownership: Direct
Footnotes: F3

STX transaction

Ordinary Shares

Sale

Transaction value: $204,010
Shares: -240
Change %: -1.1%
Price: $850.04
Shares after: 20,663
Date: 07 Aug 2026
Ownership: Direct
Footnotes: F4

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

All sales transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026

Footnote F2

These Ordinary Shares were sold in multiple trades at prices ranging from $846.46 to $846.99. 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.

Footnote F3

These Ordinary Shares were sold in multiple trades at prices ranging from $848.69 to $849.37. 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.

Footnote F4

These Ordinary Shares were sold in multiple trades at prices ranging from $849.85 to $850.80. 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.