Key facts
- This page summarizes Gianluca Romano's Form 4 filing for Seagate Technology Holdings plc (STX).
- 13 reported transactions and 7 derivative rows are listed below.
- Accepted by SEC: 24 Aug 2026, 17:10.
Gianluca Romano - 20 Aug 2026 Form 4 Insider Report for Seagate Technology Holdings plc (STX)
- Reporting relationship
- EVP & CFO
- Issuer ticker
- STX
- Reported as of
- 20 Aug 2026
- Net transaction value
- -$7,708,957
- SEC form
- 4
- Accepted by SEC
- 24 Aug 2026, 17:10:59 UTC
- Prior SEC filing
- 11 Aug 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Louis J. Thorson, Attorney-in-Fact for Gianluca Romano
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Gianluca Romano filed Form 4 for Seagate Technology Holdings plc (STX) on 24 Aug 2026.
Change
- Previous filing in this sequence was filed on 11 Aug 2026.
- Current net transaction value: -$7,708,957.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 24 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
STX
transaction
Ordinary Shares
Options Exercise
- Transaction value
- Shares
- +5,039
- Change %
- +24%
- Price
- $0.000000*
- Shares after
- 25,702
- Date
- 20 Aug 2026
- Ownership
- Direct
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $2,297,505
- Shares
- -2,705
- Change %
- -11%
- Price
- $849.35
- Shares after
- 22,997
- Date
- 21 Aug 2026
- Ownership
- Direct
STX
transaction
Ordinary Shares
Options Exercise
- Transaction value
- Shares
- +9,129
- Change %
- +40%
- Price
- $0.000000*
- Shares after
- 32,126
- Date
- 20 Aug 2026
- Ownership
- Direct
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $4,162,476
- Shares
- -4,901
- Change %
- -15%
- Price
- $849.35
- Shares after
- 27,226
- Date
- 21 Aug 2026
- Ownership
- Direct
STX
transaction
Ordinary Shares
Options Exercise
- Transaction value
- Shares
- +2,739
- Change %
- +10%
- Price
- $0.000000*
- Shares after
- 29,964
- Date
- 20 Aug 2026
- Ownership
- Direct
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $1,248,976
- Shares
- -1,470
- Change %
- -4.9%
- Price
- $849.35
- Shares after
- 28,494
- Date
- 21 Aug 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
STX
transaction
Derivative
Restricted Share Unit
Options Exercise
- Transaction value
- Shares
- -5,039
- Change %
- -25%
- Price
- $0.000000*
- Shares after
- 15,119
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 5,039
- Exercise price
- $0.000000
- Footnotes
- F1
STX
transaction
Derivative
Restricted Share Unit
Options Exercise
- Transaction value
- Shares
- -9,129
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 9,129
- Exercise price
- $0.000000
- Footnotes
- F2
STX
transaction
Derivative
Restricted Share Unit
Options Exercise
- Transaction value
- Shares
- -2,739
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 2,739
- Exercise price
- $0.000000
- Footnotes
- F2
STX
transaction
Derivative
Restricted Share Unit
Award
- Transaction value
- Shares
- +4,259
- Change %
- Price
- $0.000000*
- Shares after
- 4,259
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 4,259
- Exercise price
- $0.000000
- Footnotes
- F3
STX
transaction
Derivative
Restricted Share Unit
Award
- Transaction value
- Shares
- +1,810
- Change %
- Price
- $0.000000*
- Shares after
- 1,810
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 1,810
- Exercise price
- $0.000000
- Footnotes
- F4
STX
transaction
Derivative
Restricted Share Unit
Award
- Transaction value
- Shares
- +543
- Change %
- Price
- $0.000000*
- Shares after
- 543
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 543
- Exercise price
- $0.000000
- Footnotes
- F4
STX
transaction
Derivative
NQ Stock Options
Award
- Transaction value
- Shares
- +11,360
- Change %
- Price
- $0.000000*
- Shares after
- 11,360
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 11,360
- Exercise price
- $850.24
- Footnotes
- F5
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 5 footnotes
Footnote F1
Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan") subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.
Footnote F2
Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.
Footnote F3
Consists of a grant of RSUs awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2027 and then in equal quarterly installments thereafter.
Footnote F4
Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2027.
Footnote F5
Consists of Options awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such Options vest as to one-quarter of the shares on August 20, 2027 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years.