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 ^* Nygaard Jeffrey 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) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Vice President
(Last) (First) (Middle) SEAGATE TECHNOLOGY HOLDINGS PLC, 47488 KATO ROAD	3. Date of Earliest Transaction (MM/DD/YYYY) 7/22/2021
(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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	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	7/22/2021		A		5647 ⁽¹⁾	A	$0	6146 ⁽²⁾	D
Ordinary Shares	7/22/2021		A		5965 ⁽³⁾	A	$0	12111	D
Ordinary Shares	7/22/2021		A		3615 ⁽⁴⁾	A	$0	15726	D
Ordinary Shares	7/22/2021		A		3629 ⁽⁵⁾	A	$0	19355	D
Ordinary Shares								59133	I	Jeffrey D. Nygaard Revocable Trust U/A Dated August 17, 2009

*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)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:
(1)	On July 22, 2020, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 5,647 of the 22,585 Threshold Performance Share Units granted to Mr. Nygaard on November 20, 2017. The 5,647 Ordinary Shares will vest on November 20, 2021, subject to continuous service through such date.
(2)	Includes 378 Ordinary Shares purchased by Reporting Person on January 29, 2021 and 121 Ordinary Shares purchased by Reporting Person on July 30, 2021 under the Issuer's Employee Stock Purchase Plan. Such acquisition is exempt from reporting pursuant to Rule 16b-3 under the Securities Exchange Act of 1934.
(3)	On July 22, 2021, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 5,965 of the 23,862 Threshold Performance Share Units granted to Mr. Nygaard on September 10, 2018. The 5,965 Ordinary Shares will vest on September 10, 2021, subject to continuous service through such date.
(4)	On July 22, 2021, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 3,615 of the 14,458 Threshold Performance Share Units granted to Mr. Nygaard on September 9, 2019. The 3,615 Ordinary Shares will vest on September 9, 2021, subject to continuous service through such date.
(5)	On July 22, 2021, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 3,629 of the 14,515 Threshold Performance Share Units granted to Mr. Nygaard on September 9, 2020. The 3,629 Ordinary Shares will vest on September 9, 2021, subject to continuous service through such date.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Nygaard Jeffrey D. SEAGATE TECHNOLOGY HOLDINGS PLC 47488 KATO ROAD FREMONT, CA 94538			Executive Vice President