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  4. [Form 4] Seagate Technology Holdings plc Insider Trading Activity

Seagate CTO John Christopher Morris sells 2,675 shares

The sales and option exercise were reported under a Rule 10b5-1 plan adopted January 29, 2026; the option award was subject to continuous employment.

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Form Type
4

Rhea-AI Filing Summary

Seagate Technology Holdings plc (STX) EVP & CTO John Christopher Morris exercised options for 915 ordinary shares on October 30, 2026, at an exercise price of $158.40 per share, and sold 2,675 ordinary shares that day. The reported per-share sale prices ranged from $626.41 to $678.44. All reported transactions were made under a Rule 10b5-1 trading plan adopted January 29, 2026. The option transaction reports 16,463 options following the exercise.

Insider Morris John Christopher
Role EVP & CTO
Sold 2,675 shs ($1.74M)
Approx. gross sale proceeds $1.74M
Approx. exercise cost $145K
Type Security Shares Price Value
Exercise NQ Stock Option F16 915 $0.00 $0.00
Exercise Ordinary Shares 915 $158.40 $145K
Sale Ordinary Shares F1, F2 80 $626.41 $50K
Sale Ordinary Shares 40 $628.28 $25K
Sale Ordinary Shares F3 82 $630.1871 $52K
Sale Ordinary Shares F4 118 $631.6914 $75K
Sale Ordinary Shares F5 160 $633.22 $101K
Sale Ordinary Shares F6 80 $635.535 $51K
Sale Ordinary Shares 40 $636.30 $25K
Sale Ordinary Shares 40 $639.76 $26K
Sale Ordinary Shares 40 $641.84 $26K
Sale Ordinary Shares F7 80 $643.35 $51K
Sale Ordinary Shares 40 $645.45 $26K
Sale Ordinary Shares F8 80 $646.955 $52K
Sale Ordinary Shares 40 $648.57 $26K
Sale Ordinary Shares F9 995 $653.7794 $651K
Sale Ordinary Shares 40 $655.51 $26K
Sale Ordinary Shares F10 160 $656.99 $105K
Sale Ordinary Shares F11 80 $658.56 $53K
Sale Ordinary Shares F12 68 $659.56 $45K
Sale Ordinary Shares F13 132 $660.6391 $87K
Sale Ordinary Shares 40 $663.14 $27K
Sale Ordinary Shares F14 80 $665.055 $53K
Sale Ordinary Shares F15 120 $670.1833 $80K
Sale Ordinary Shares 34 $677.05 $23K
Sale Ordinary Shares 6 $678.44 $4K
Holdings After Transaction: NQ Stock Option — 16,463 contracts (Direct); Ordinary Shares — 20,933.25 shares (Direct)
Footnotes (16)
  1. F1. All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026.
  2. F2. These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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.
  3. F3. These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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.
  4. F4. These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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.
  5. F5. These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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.
  6. F6. These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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.
  7. F7. These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. 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.
  8. F8. These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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.
  9. F9. These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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.
  10. F10. These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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.
  11. F11. These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. 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.
  12. F12. These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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.
  13. F13. These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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.
  14. F14. These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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.
  15. F15. These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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.
  16. F16. 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 continuous employment, one quarter shall vest 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.
Ordinary shares sold 2,675 shares October 30, 2026
Options exercised 915 options October 30, 2026
Exercise price $158.40 per share Options exercised October 30, 2026
Ordinary shares acquired on exercise 915 shares October 30, 2026
Options following transaction 16,463 options Reported following the October 30, 2026 transaction
Reported sale prices $626.41 to $678.44 per share Sales on October 30, 2026
Option expiration date August 20, 2032 Reported option position
Rule 10b5-1 trading plan regulatory
"pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average sale price financial
"The price reported above reflects the weighted average sale price."
exercise price financial
"Options exercised at an exercise price of $158.40 per share"
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
vesting schedule financial
"subject to a four-year vesting schedule"
A vesting schedule is a timeline that determines when someone gains full ownership of certain benefits, such as company stock or retirement contributions. Think of it like earning the right to own a gift gradually over time, rather than receiving it all at once. It matters to investors because it affects when they can fully access or sell these benefits, influencing their financial planning and decision-making.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many STX shares did John Christopher Morris sell, and at what prices?
John Christopher Morris sold 2,675 ordinary shares on October 30, 2026, with reported per-share prices ranging from $626.41 to $678.44. The transactions were made under a Rule 10b5-1 trading plan adopted January 29, 2026.

What STX options did John Christopher Morris exercise?
Morris exercised options for 915 ordinary shares at an exercise price of $158.40 per share on October 30, 2026. The option transaction reports 16,463 options following the exercise.

When do the exercised STX options expire?
The reported options have an expiration date of August 20, 2032.

What vesting schedule applied to Morris's STX options?
The options were subject to a four-year vesting schedule, conditional on continuous employment. One quarter vested on August 20, 2026, with the remainder scheduled to vest in equal monthly installments over the following three years.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →
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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Morris John Christopher
(Last)(First)(Middle)
SEAGATE TECHNOLOGY PLC
47488 KATO ROAD
(Street)
FREMONT CALIFORNIA 94538
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Seagate Technology Holdings plc [ STX ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
EVP & CTO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
10/30/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Ordinary Shares10/30/2026M915A$158.423,608.25D
Ordinary Shares10/30/2026S80(1)D$626.41(2)23,528.25D
Ordinary Shares10/30/2026S40D$628.2823,488.25D
Ordinary Shares10/30/2026S82D$630.1871(3)23,406.25D
Ordinary Shares10/30/2026S118D$631.6914(4)23,288.25D
Ordinary Shares10/30/2026S160D$633.22(5)23,128.25D
Ordinary Shares10/30/2026S80D$635.535(6)23,048.25D
Ordinary Shares10/30/2026S40D$636.323,008.25D
Ordinary Shares10/30/2026S40D$639.7622,968.25D
Ordinary Shares10/30/2026S40D$641.8422,928.25D
Ordinary Shares10/30/2026S80D$643.35(7)22,848.25D
Ordinary Shares10/30/2026S40D$645.4522,808.25D
Ordinary Shares10/30/2026S80D$646.955(8)22,728.25D
Ordinary Shares10/30/2026S40D$648.5722,688.25D
Ordinary Shares10/30/2026S995D$653.7794(9)21,693.25D
Ordinary Shares10/30/2026S40D$655.5121,653.25D
Ordinary Shares10/30/2026S160D$656.99(10)21,493.25D
Ordinary Shares10/30/2026S80D$658.56(11)21,413.25D
Ordinary Shares10/30/2026S68D$659.56(12)21,345.25D
Ordinary Shares10/30/2026S132D$660.6391(13)21,213.25D
Ordinary Shares10/30/2026S40D$663.1421,173.25D
Ordinary Shares10/30/2026S80D$665.055(14)21,093.25D
Ordinary Shares10/30/2026S120D$670.1833(15)20,973.25D
Ordinary Shares10/30/2026S34D$677.0520,939.25D
Ordinary Shares10/30/2026S6D$678.4420,933.25D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
NQ Stock Option$158.410/30/2026M915 (16)08/20/2032Ordinary Shares915$016,463D
Explanation of Responses:
1. All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026.
2. These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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.
3. These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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.
4. These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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.
5. These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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.
6. These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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.
7. These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. 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.
8. These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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.
9. These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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.
10. These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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.
11. These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. 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.
12. These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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.
13. These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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.
14. These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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.
15. These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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.
16. 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 continuous employment, one quarter shall vest 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.
Remarks:
/s/ Louis J. Thorson, Attorney-in-Fact for John C. Morris11/03/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

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