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

Seagate Technology Holdings plc (STX) insider trade and option exercise

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Seagate Technology Holdings plc executive Ban Seng Teh, EVP & Chief Commercial Officer, reported equity award activity and a share sale dated December 11, 2025. He acquired ordinary shares through the vesting or exercise of equity awards, including 989 shares at an exercise price of $0, 532 shares at $68.83, and 879 shares at $64.31.

On the same date, he sold 2,010 ordinary shares at a price of $295.9 per share, and held 13,693 ordinary shares directly after the reported transactions. The option exercise and sale of ordinary shares were carried out under a Rule 10b5-1 trading plan adopted on October 31, 2024. The filing also describes four-year vesting schedules for his restricted share units and stock options granted under the company’s 2022 Equity Incentive Plan.

Positive

  • None.

Negative

  • None.
Insider Teh Ban Seng
Role EVP & Chief Commercial Officer
Sold 2,010 shs ($595K)
Type Security Shares Price Value
Exercise Restricted Share Unit 989 $0.00 --
Exercise NQ Options 532 $0.00 --
Exercise NQ Options 879 $0.00 --
Exercise Ordinary Shares 989 $0.00 --
Exercise Ordinary Shares 532 $68.83 $37K
Exercise Ordinary Shares 879 $64.31 $57K
Sale Ordinary Shares 2,010 $295.90 $595K
Holdings After Transaction: Restricted Share Unit — 6,923 shares (Direct); NQ Options — 4,793 shares (Direct); Ordinary Shares — 14,292 shares (Direct)
Footnotes (1)
  1. 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 October 31, 2024. Consists of a grant of restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan ("the Plan"). Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years. Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. 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. Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. 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.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED 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*
Teh Ban Seng
(Last) (First) (Middle)
SEAGATE TECHNOLOGY HOLDINGS PLC
47488 KATO ROAD
(Street)
FREMONT CA 94538
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Seagate Technology Holdings plc [ STX ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
EVP & Chief Commercial Officer
3. Date of Earliest Transaction (Month/Day/Year)
12/11/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Ordinary Shares 12/11/2025 M 989 A $0 14,292 D
Ordinary Shares 12/11/2025 M 532(1) A $68.83 14,824 D
Ordinary Shares 12/11/2025 M 879 A $64.31 15,703 D
Ordinary Shares 12/11/2025 S 2,010 D $295.9 13,693 D
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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Share Unit $0 12/11/2025 M 989 (2) (2) Ordinary Shares 989 $0 6,923 D
NQ Options $68.83 12/11/2025 M 532 (3) 09/09/2029 Ordinary Shares 532 $0 4,793 D
NQ Options $64.31 12/11/2025 M 879 (4) 09/11/2030 Ordinary Shares 879 $0 18,454 D
Explanation of Responses:
1. 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 October 31, 2024.
2. Consists of a grant of restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan ("the Plan"). Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years.
3. Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. 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.
4. Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. 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.
Remarks:
/s/ Louis J. Thorson, Attorney-in-Fact for Ban Seng Teh 12/12/2025
** Signature of Reporting Person Date
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.

Source: View Original Filing on SEC EDGAR

FAQ

Which Seagate (STX) executive reported this insider transaction?

The filing reports transactions for Ban Seng Teh, who serves as EVP & Chief Commercial Officer of Seagate Technology Holdings plc.

How many Seagate (STX) shares did Ban Seng Teh sell on December 11, 2025?

On December 11, 2025, Ban Seng Teh sold 2,010 ordinary shares of Seagate at a price of $295.9 per share.

How many Seagate shares did Ban Seng Teh hold after the reported Form 4 transactions?

After the reported transactions, Ban Seng Teh beneficially owned 13,693 ordinary shares of Seagate Technology Holdings plc directly.

What equity awards were exercised or converted in this Seagate (STX) Form 4?

The filing shows the acquisition of ordinary shares from restricted share units and nonqualified stock options, including 989 shares at an exercise price of $0, 532 shares at $68.83, and 879 shares at $64.31.

Were the Seagate (STX) insider transactions made under a Rule 10b5-1 plan?

Yes. The option exercise and sale of ordinary shares were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 31, 2024.

What are the vesting terms of Ban Seng Teh’s Seagate equity awards?

The filing states that restricted share units and options granted under Seagate’s 2022 Equity Incentive Plan generally follow a four-year vesting schedule, with one-quarter vesting on specified dates and the remaining portions vesting in equal installments over the following 36 months.