How many Seagate (STX) restricted share units did Teh Ban Seng exercise and into what security?

He exercised 989 restricted share units into 989 ordinary shares of Seagate Technology Holdings plc. The Form 4 classifies this as an exercise or conversion of a derivative security, moving value from RSUs into directly held ordinary shares of the company.

How many Seagate (STX) restricted share units does Teh Ban Seng still hold after the exercise?

After exercising 989 restricted share units, Teh Ban Seng continues to hold 5,934 restricted share units. These remaining RSUs are reported as derivative securities and will vest according to the four‑year schedule, assuming his continuous employment with Seagate.

Seagate (NASDAQ: STX) EVP converts 989 RSUs into ordinary shares

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Seagate Technology Holdings plc EVP & Chief Commercial Officer Teh Ban Seng exercised 989 restricted share units into 989 ordinary shares. The RSUs were granted under the Seagate Technology plc 2022 Equity Incentive Plan and vest over four years, with one-quarter vesting on September 11, 2024 and the remainder in equal quarterly installments, subject to continued employment.

After this derivative exercise on March 11, 2026, Teh directly holds 11,248 ordinary shares and 5,934 restricted share units.

Insider Trade Summary

989 shares exercised/converted

Mixed 2 txns

Insider Teh Ban Seng

Role EVP & Chief Commercial Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Share Unit	989	$0.00	--
Exercise	Ordinary Shares	989	$0.00	--

Holdings After Transaction: Restricted Share Unit — 5,934 shares (Direct); Ordinary Shares — 11,248 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

03/12/2026 - 04:11 PM

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).

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

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)
03/11/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary Shares	03/11/2026		M		989	A	$0	11,248	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Share Unit	$0	03/11/2026		M			989	⁽¹⁾	⁽¹⁾	Ordinary Shares	989	$0	5,934	D

Explanation of Responses:

1. Consists of a grant of RSUs awarded to the reporting person under the Seagate Technology plc 2022 Equity Incentive Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments thereafter.

Remarks:

	/s/ Louis J. Thorson, Attorney-in-Fact for Ban Seng Teh	03/12/2026
	** 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

What insider transaction did Seagate (STX) EVP Teh Ban Seng report on March 11, 2026?

Teh Ban Seng exercised 989 restricted share units into 989 ordinary shares on March 11, 2026. This was recorded as a derivative exercise transaction, not an open‑market purchase or sale, and reflects the vesting of prior equity awards rather than new market activity.

What is the vesting schedule for Teh Ban Seng’s Seagate (STX) RSU grant?

The RSU grant vests over four years, subject to continuous employment. One quarter vested starting on September 11, 2024, with the remaining units vesting in equal quarterly installments thereafter, as specified under the Seagate Technology plc 2022 Equity Incentive Plan.

How many Seagate (STX) ordinary shares does Teh Ban Seng hold after this Form 4 transaction?

Following the March 11, 2026 exercise, Teh Ban Seng directly owns 11,248 ordinary shares. This reflects the addition of 989 shares received from exercising restricted share units, as reported in the non‑derivative section of the Form 4 filing.

Under which equity plan were Teh Ban Seng’s Seagate (STX) RSUs granted?

The restricted share units were granted under the Seagate Technology plc 2022 Equity Incentive Plan. This plan provides equity awards such as RSUs to executives, with vesting tied to ongoing employment and scheduled installments over a defined multi‑year period.