Key facts
- This page summarizes Gianluca Romano's Form 4 filing for Seagate Technology Holdings plc (STX).
- 25 reported transactions and 4 derivative rows are listed below.
- Accepted by SEC: 14 Nov 2025, 16:09.
Gianluca Romano - 12 Nov 2025 Form 4 Insider Report for Seagate Technology Holdings plc (STX)
- Reporting relationship
- EVP & CFO
- Issuer ticker
- STX
- Reported as of
- 12 Nov 2025
- Net transaction value
- -$11,158,269
- SEC form
- 4
- Accepted by SEC
- 14 Nov 2025, 16:09:01 UTC
- Prior SEC filing
- 15 Sep 2025
- Next SEC filing
- 14 Nov 2025
- 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.
5 source fields
Reporting owner
1 detail
Key filing fact
Gianluca Romano filed Form 4 for Seagate Technology Holdings plc (STX) on 14 Nov 2025.
Change
- Previous filing in this sequence was filed on 15 Sep 2025.
- Current net transaction value: -$11,158,269.
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
- 14 Nov 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
STX
transaction
Ordinary Shares
Options Exercise
- Transaction value
- $468,492
- Shares
- +5,364
- Change %
- +9.3%
- Price
- $87.34
- Shares after
- 63,149
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F1
STX
transaction
Ordinary Shares
Options Exercise
- Transaction value
- $703,443
- Shares
- +10,220
- Change %
- +16%
- Price
- $68.83
- Shares after
- 73,369
- Date
- 12 Nov 2025
- Ownership
- Direct
STX
transaction
Ordinary Shares
Options Exercise
- Transaction value
- $1,162,725
- Shares
- +18,080
- Change %
- +25%
- Price
- $64.31
- Shares after
- 91,449
- Date
- 12 Nov 2025
- Ownership
- Direct
STX
transaction
Ordinary Shares
Options Exercise
- Transaction value
- $1,911,779
- Shares
- +18,865
- Change %
- +21%
- Price
- $101.34
- Shares after
- 110,314
- Date
- 12 Nov 2025
- Ownership
- Direct
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $712,929
- Shares
- -2,549
- Change %
- -2.3%
- Price
- $279.69
- Shares after
- 107,765
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F2
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $1,483,333
- Shares
- -5,285
- Change %
- -4.9%
- Price
- $280.67
- Shares after
- 102,480
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F3
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $1,607,867
- Shares
- -5,712
- Change %
- -5.6%
- Price
- $281.49
- Shares after
- 96,768
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F4
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $1,243,240
- Shares
- -4,400
- Change %
- -4.5%
- Price
- $282.55
- Shares after
- 92,368
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F5
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $1,937,722
- Shares
- -6,836
- Change %
- -7.4%
- Price
- $283.46
- Shares after
- 85,532
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F6
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $1,484,211
- Shares
- -5,216
- Change %
- -6.1%
- Price
- $284.55
- Shares after
- 80,316
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F7
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $1,226,114
- Shares
- -4,294
- Change %
- -5.3%
- Price
- $285.54
- Shares after
- 76,022
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F8
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $1,060,827
- Shares
- -3,702
- Change %
- -4.9%
- Price
- $286.56
- Shares after
- 72,320
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F9
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $1,407,982
- Shares
- -4,893
- Change %
- -6.8%
- Price
- $287.75
- Shares after
- 67,427
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F10
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $892,613
- Shares
- -3,092
- Change %
- -4.6%
- Price
- $288.68
- Shares after
- 64,335
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F11
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $783,378
- Shares
- -2,703
- Change %
- -4.2%
- Price
- $289.82
- Shares after
- 61,632
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F12
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $377,885
- Shares
- -1,300
- Change %
- -2.1%
- Price
- $290.68
- Shares after
- 60,332
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F13
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $379,206
- Shares
- -1,300
- Change %
- -2.2%
- Price
- $291.70
- Shares after
- 59,032
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F14
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $29,264
- Shares
- -100
- Change %
- -0.17%
- Price
- $292.64
- Shares after
- 58,932
- Date
- 12 Nov 2025
- Ownership
- Direct
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $205,803
- Shares
- -700
- Change %
- -1.2%
- Price
- $294.00
- Shares after
- 58,232
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F15
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $442,348
- Shares
- -1,500
- Change %
- -2.6%
- Price
- $294.90
- Shares after
- 56,732
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F16
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $129,986
- Shares
- -439
- Change %
- -0.77%
- Price
- $296.09
- Shares after
- 56,293
- Date
- 12 Nov 2025
- Ownership
- Direct
- Footnotes
- F17
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
STX
transaction
Derivative
NQ Options
Options Exercise
- Transaction value
- $0
- Shares
- -5,364
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 12 Nov 2025
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 5,364
- Exercise price
- $87.34
- Footnotes
- F18
STX
transaction
Derivative
NQ Options
Options Exercise
- Transaction value
- $0
- Shares
- -10,220
- Change %
- -55%
- Price
- $0.000000
- Shares after
- 8,517
- Date
- 12 Nov 2025
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 10,220
- Exercise price
- $68.83
- Footnotes
- F19
STX
transaction
Derivative
NQ Options
Options Exercise
- Transaction value
- $0
- Shares
- -18,080
- Change %
- -35%
- Price
- $0.000000
- Shares after
- 33,147
- Date
- 12 Nov 2025
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 18,080
- Exercise price
- $64.31
- Footnotes
- F20
STX
transaction
Derivative
NQ Options
Options Exercise
- Transaction value
- $0
- Shares
- -18,865
- Change %
- -29%
- Price
- $0.000000
- Shares after
- 45,815
- Date
- 12 Nov 2025
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 18,865
- Exercise price
- $101.34
- Footnotes
- F21
* 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 21 footnotes
Footnote F1
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.
Footnote F2
These Ordinary Shares were sold in multiple trades at prices ranging from $279.06 to $280.04. 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 $280.06 to $281.05. 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 $281.06 to $282.04. 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 F5
These Ordinary Shares were sold in multiple trades at prices ranging from $282.07 to $283.01. 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 F6
These Ordinary Shares were sold in multiple trades at prices ranging from $283.07 to $284.06. 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 F7
These Ordinary Shares were sold in multiple trades at prices ranging from $284.07 to $285.06. 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 F8
These Ordinary Shares were sold in multiple trades at prices ranging from $285.07 to $286.06. 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 F9
These Ordinary Shares were sold in multiple trades at prices ranging from $286.10 to $287.08. 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.
Footnote F10
These Ordinary Shares were sold in multiple trades at prices ranging from $287.15 to $288.10. 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 F11
These Ordinary Shares were sold in multiple trades at prices ranging from $288.20 to $289.17. 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 F12
These Ordinary Shares were sold in multiple trades at prices ranging from $289.20 to $290.14. 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 F13
These Ordinary Shares were sold in multiple trades at prices ranging from $290.33 to $291.21. 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 F14
These Ordinary Shares were sold in multiple trades at prices ranging from $291.40 to $292.24. 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 F15
These Ordinary Shares were sold in multiple trades at prices ranging from $293.64 to $294.59. 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 F16
These Ordinary Shares were sold in multiple trades at prices ranging from $294.66 to $295.64. 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 F17
These Ordinary Shares were sold in multiple trades at prices ranging from $295.81 to $296.34. 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 F18
Options granted to the Reporting Person under the Seagate Technology plc 2022 Equity Incentive Plan (the "2022 Plan") are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one-quarter of the options vested on September 9, 2022 and the remaining options vested in equal monthly installments over the 36 months following September 9, 2022.
Footnote F19
Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one-quarter of the options vested on September 9, 2023 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2023.
Footnote F20
Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one-quarter of the options vested on September 11, 2024 and the remaining options vest in equal monthly installments over the 36 months following September 11, 2024.
Footnote F21
Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one-quarter of the options vested on September 9, 2025 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2025.