Key facts
- This page summarizes John C. Morris's Form 4 filing for Seagate Technology Holdings plc (STX).
- 16 reported transactions and 8 derivative rows are listed below.
- Accepted by SEC: 24 Aug 2026, 17:11.
John C. Morris - 20 Aug 2026 Form 4 Insider Report for Seagate Technology Holdings plc (STX)
- Reporting relationship
- EVP & CTO
- Issuer ticker
- STX
- Reported as of
- 20 Aug 2026
- Net transaction value
- -$3,422,894
- SEC form
- 4
- Accepted by SEC
- 24 Aug 2026, 17:11:21 UTC
- Prior SEC filing
- 04 Aug 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Louis J. Thorson, Attorney-in-Fact for John C. Morris
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
John C. Morris filed Form 4 for Seagate Technology Holdings plc (STX) on 24 Aug 2026.
Change
- Previous filing in this sequence was filed on 04 Aug 2026.
- Current net transaction value: -$3,422,894.
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 0001988271
Primary reporting owner
Morris John Christopher
- Relationship
- EVP & CTO
- Address
- SEAGATE TECHNOLOGY PLC, 47488 KATO ROAD, FREMONT
- Signature
- /s/ Louis J. Thorson, Attorney-in-Fact for John C. Morris
- 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
- +1,764
- Change %
- +15%
- Price
- $0.000000*
- Shares after
- 13,684
- Date
- 20 Aug 2026
- Ownership
- Direct
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $746,583
- Shares
- -879
- Change %
- -6.4%
- Price
- $849.35
- Shares after
- 12,805
- Date
- 21 Aug 2026
- Ownership
- Direct
STX
transaction
Ordinary Shares
Options Exercise
- Transaction value
- Shares
- +4,070
- Change %
- +32%
- Price
- $0.000000*
- Shares after
- 16,875
- Date
- 20 Aug 2026
- Ownership
- Direct
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $1,722,492
- Shares
- -2,028
- Change %
- -12%
- Price
- $849.35
- Shares after
- 14,847
- Date
- 21 Aug 2026
- Ownership
- Direct
STX
transaction
Ordinary Shares
Options Exercise
- Transaction value
- Shares
- +1,221
- Change %
- +8.2%
- Price
- $0.000000*
- Shares after
- 16,068
- Date
- 20 Aug 2026
- Ownership
- Direct
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $516,832
- Shares
- -608
- Change %
- -3.8%
- Price
- $849.35
- Shares after
- 15,460
- Date
- 21 Aug 2026
- Ownership
- Direct
STX
transaction
Ordinary Shares
Options Exercise
- Transaction value
- Shares
- +523
- Change %
- +3.4%
- Price
- $158.40*
- Shares after
- 15,983
- Date
- 20 Aug 2026
- Ownership
- Direct
- Footnotes
- F1
STX
transaction
Ordinary Shares
Sale
- Transaction value
- $436,987
- Shares
- -523
- Change %
- -3.3%
- Price
- $835.54
- Shares after
- 15,460
- Date
- 20 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
- -1,764
- Change %
- -25%
- Price
- $0.000000*
- Shares after
- 5,292
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 1,764
- Exercise price
- $0.000000
- Footnotes
- F2
STX
transaction
Derivative
Restricted Share Unit
Options Exercise
- Transaction value
- Shares
- -4,070
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 4,070
- Exercise price
- $0.000000
- Footnotes
- F3
STX
transaction
Derivative
Restricted Share Unit
Options Exercise
- Transaction value
- Shares
- -1,221
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 1,221
- Exercise price
- $0.000000
- Footnotes
- F3
STX
transaction
Derivative
NQ Stock Option
Options Exercise
- Transaction value
- Shares
- -523
- Change %
- -2.8%
- Price
- $0.000000*
- Shares after
- 18,293
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 523
- Exercise price
- $158.40
- Footnotes
- F4
STX
transaction
Derivative
Restricted Share Unit
Award
- Transaction value
- Shares
- +2,307
- Change %
- Price
- $0.000000*
- Shares after
- 2,307
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 2,307
- Exercise price
- $0.000000
- Footnotes
- F5
STX
transaction
Derivative
Restricted Share Unit
Award
- Transaction value
- Shares
- +1,309
- Change %
- Price
- $0.000000*
- Shares after
- 1,309
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 1,309
- Exercise price
- $0.000000
- Footnotes
- F6
STX
transaction
Derivative
Restricted Share Unit
Award
- Transaction value
- Shares
- +393
- Change %
- Price
- $0.000000*
- Shares after
- 393
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 393
- Exercise price
- $0.000000
- Footnotes
- F6
STX
transaction
Derivative
NQ Stock Option
Award
- Transaction value
- Shares
- +6,152
- Change %
- Price
- $0.000000*
- Shares after
- 6,152
- Date
- 20 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 6,152
- Exercise price
- $850.24
- Footnotes
- F7
* 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 7 footnotes
Footnote F1
The option exercise and sale of Ordinary Shares reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 206.
Footnote F2
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 F3
Consists of a grant of RSUs awarded to the Reporting Person under the Plan. 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.
Footnote F4
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 vested as to one-quarter of the shares on August 20, 2026 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years.
Footnote F5
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 F6
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 F7
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.