James C. Lee - 20 Aug 2026 Form 4 Insider Report for Seagate Technology Holdings plc (STX)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
24 Aug 2026, 17:11:10 UTC
Prior SEC filing
03 Aug 2026
Next SEC filing
26 Aug 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Louis J. Thorson, Attorney-in-fact for James C. Lee

Key filing fact

James C. Lee filed Form 4 for Seagate Technology Holdings plc (STX) on 24 Aug 2026.

Key facts

  • This page summarizes James C. Lee'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, 17:11.

Change

  • Previous filing in this sequence was filed on 03 Aug 2026.
  • Current net transaction value: -$3,345,396.

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 0001773423 Primary reporting owner

Lee James CI

Relationship
EVP & CLO
Address
SEAGATE TECHNOLOGY PLC, 47488 KATO ROAD, FREMONT
Signature
/s/ Louis J. Thorson, Attorney-in-fact for James C. Lee
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
+1,512
Change %
+436%
Price
$0.000000*
Shares after
1,859
Date
20 Aug 2026
Ownership
Direct
STX transaction

Ordinary Shares

Sale

Transaction value
$567,157
Shares
-668
Change %
-36%
Price
$849.35
Shares after
1,191
Date
21 Aug 2026
Ownership
Direct
STX transaction

Ordinary Shares

Options Exercise

Transaction value
Shares
+1,710
Change %
+144%
Price
$0.000000*
Shares after
2,901
Date
20 Aug 2026
Ownership
Direct
STX transaction

Ordinary Shares

Sale

Transaction value
$641,263
Shares
-755
Change %
-26%
Price
$849.35
Shares after
2,146
Date
21 Aug 2026
Ownership
Direct
STX transaction

Ordinary Shares

Options Exercise

Transaction value
Shares
+5,698
Change %
+266%
Price
$0.000000*
Shares after
7,844
Date
20 Aug 2026
Ownership
Direct
STX transaction

Ordinary Shares

Sale

Transaction value
$2,136,977
Shares
-2,516
Change %
-32%
Price
$849.35
Shares after
5,328
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
-1,512
Change %
-25%
Price
$0.000000*
Shares after
4,536
Date
20 Aug 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
1,512
Exercise price
$0.000000
Footnotes
F1
STX transaction Derivative

Restricted Share Unit

Options Exercise

Transaction value
Shares
-1,710
Change %
-100%
Price
$0.000000*
Shares after
0
Date
20 Aug 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
1,710
Exercise price
$0.000000
Footnotes
F2
STX transaction Derivative

Restricted Share Unit

Options Exercise

Transaction value
Shares
-5,698
Change %
-100%
Price
$0.000000*
Shares after
0
Date
20 Aug 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
5,698
Exercise price
$0.000000
Footnotes
F2
STX transaction Derivative

Restricted Share Unit

Award

Transaction value
Shares
+1,420
Change %
Price
$0.000000*
Shares after
1,420
Date
20 Aug 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
1,420
Exercise price
$0.000000
Footnotes
F3
STX transaction Derivative

Restricted Share Unit

Award

Transaction value
Shares
+1,343
Change %
Price
$0.000000*
Shares after
1,343
Date
20 Aug 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
1,343
Exercise price
$0.000000
Footnotes
F4
STX transaction Derivative

Restricted Share Unit

Award

Transaction value
Shares
+403
Change %
Price
$0.000000*
Shares after
403
Date
20 Aug 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
403
Exercise price
$0.000000
Footnotes
F4
STX transaction Derivative

NQ Options

Award

Transaction value
Shares
+3,788
Change %
Price
$0.000000*
Shares after
3,788
Date
20 Aug 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
3,788
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. 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.

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