Ownership Submission

FORM 4

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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3235-0287

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

MOSLEY WILLIAM D

2. Issuer Name and Ticker or Trading Symbol
Seagate Technology Holdings plc [STX]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

__X__ Director	_____ 10% Owner
__X__ Officer (give title below)	_____ Other (specify below)
Chief Executive Officer

(Last)

(First)

(Middle)

SEAGATE TECHNOLOGY HOLDINGS PLC, 47488 KATO ROAD

3. Date of Earliest Transaction (Month/Day/Year)
07/20/2024

(Street)

FREMONT, CA 94538

4. If Amendment, Date 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

(City)

(State)

(Zip)

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	09/09/2024		M		13,006	A	$ 0	647,276	D
Ordinary Shares	09/09/2024		F		6,572 ⁽¹⁾	D	$ 101.34	640,704	D
Ordinary Shares	09/09/2024		M		31,330	A	$ 0	672,034	D
Ordinary Shares	09/09/2024		F		15,832 ⁽¹⁾	D	$ 101.34	656,202	D
Ordinary Shares	09/09/2024		M		9,006	A	$ 0	665,208	D
Ordinary Shares	09/09/2024		F		4,551 ⁽¹⁾	D	$ 101.34	660,657	D
Ordinary Shares	09/09/2024		M		2,814	A	$ 0	663,471	D
Ordinary Shares	09/09/2024		F		1,422 ⁽¹⁾	D	$ 101.34	662,049	D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	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 control number.		SEC 1474 (9-02)

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 Underlying Securities
(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 of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Performance-Based Restricted Share Units

$ 0

07/20/2024

13,006

⁽²⁾

Ordinary Shares

13,006

$ 0

13,006

Performance-Based Restricted Share Units

$ 0

07/20/2024

31,330

⁽³⁾

Ordinary Shares

31,330

$ 0

31,330

Performance-Based Restricted Share Units

$ 0

09/09/2024

13,006

⁽²⁾

Ordinary Shares

13,006

$ 0

Performance-Based Restricted Share Units

$ 0

09/09/2024

31,330

⁽³⁾

Ordinary Shares

31,330

$ 0

Restricted Share Unit

$ 0

09/09/2024

9,006

⁽⁴⁾

Ordinary Shares

9,006

$ 0

9,007

Restricted Share Unit

$ 0

09/09/2024

2,814

⁽⁵⁾

Ordinary Shares

2,814

$ 0

22,517

NQ Options

$ 101.34

09/09/2024

103,060

⁽⁶⁾

09/09/2031

Ordinary Shares

103,060

$ 0

103,060

Restricted Share Unit

$ 0

09/09/2024

38,650

⁽⁷⁾

Ordinary Shares

38,650

$ 0

38,650

Restricted Share Unit

$ 0

09/09/2024

4,550

⁽⁸⁾

Ordinary Shares

4,550

$ 0

4,550

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
MOSLEY WILLIAM D SEAGATE TECHNOLOGY HOLDINGS PLC 47488 KATO ROAD FREMONT, CA 94538	X		Chief Executive Officer

Signatures

/s/ Louis J. Thorson, Attorney-in-Fact for William D. Mosley		09/11/2024
^**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of restricted share units previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.
(2)	On July 20, 2024, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 13,006 of the 52,027 Threshold Performance Share Units granted to Mr. Mosley on September 9, 2019. The 13,006 Ordinary Shares vested on September 9, 2024.
(3)	On July 20, 2024, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 31,330 of the 62,660 Threshold Performance Share Units granted to Mr. Mosley on September 9, 2020. The 31,330 Ordinary Shares vested on September 9, 2024.
(4)	Consists of a grant of RSUs awarded to the Reporting Person 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 September 9, 2022 and each one year anniversary thereafter.
(5)	Consists of a grant of RSUs awarded to the Reporting Person 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 September 9, 2023 and then in equal quarterly installments thereafter.
(6)	Options granted to the Reporting Person are subject to a four-year vesting schedule. Subject to continuous employment, one-quarter shall vest on September 9, 2025 and then in equal quarterly installments thereafter.
(7)	Consists of a grant of RSUs awarded to the Reporting Person subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one-quarter shall vest starting on September 9, 2025 and then in equal quarterly installments thereafter.
(8)	Consists of a grant of RSUs awarded to the Reporting Person. Subject to the Reporting Person's continuous employment, 100% shall vest on September 9, 2025.

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