Statement of Changes in Beneficial Ownership (4)

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

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Teh Ban Seng	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, Global Sales
(Last)          (First)          (Middle) SEAGATE TECHNOLOGY HOLDINGS PLC, 47488 KATO ROAD	3. Date of Earliest Transaction (MM/DD/YYYY) 9/10/2021
(Street) FREMONT, CA 94538 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	9/10/2021		S		2340 (1)	D	$87.23	8710	D
Ordinary Shares	9/10/2021		M		1785	A	$0	10495	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 of Derivative Security: 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	(2)	9/10/2021		M			1785	(3)	(3)	Ordinary Shares	1785.0	$0	1785	D

Explanation of Responses:
(1)	The sale of Ordinary Shares reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.
(2)	Each restricted share unit ("RSU") represents a contingent right to receive one Ordinary Share of the Issuer.
(3)	Consists of a grant of RSUs awarded to the Reporting Person under the Amended and Restated Seagate Technology Holdings plc 2012 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 10, 2019 and each one-year anniversary thereafter.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Teh Ban Seng SEAGATE TECHNOLOGY HOLDINGS PLC 47488 KATO ROAD FREMONT, CA 94538			EVP, Global Sales

Signatures
/s/ Jamie Amentler, Attorney-in-Fact for Ban Seng Teh		9/14/2021
**Signature of Reporting Person		Date