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 * Romano Gianluca 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 & CFO
(Last)         (First)         (Middle)
SEAGATE TECHNOLOGY HOLDINGS PLC, 47488 KATO ROAD
3. Date of Earliest Transaction (MM/DD/YYYY)
9/9/2021
(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  9/9/2021    F    1793 (1) D $87.34  23314  D   
Ordinary Shares  9/9/2021    F    1800 (1) D $87.34  21514  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) 9/9/2021    A     12065       (3)  (3) Ordinary Shares  12065.0  $0  12065  D   
NQ Options  $87.34  9/9/2021    A     32180       (4)  (4) Ordinary Shares  32180.0  $0  32180  D   

Explanation of Responses:
(1)  These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.
(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 (the "Plan"). 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.
(4)  Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one-quarter of the options will vest on September 9, 2022 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2022.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Romano Gianluca
SEAGATE TECHNOLOGY HOLDINGS PLC
47488 KATO ROAD
FREMONT, CA 94538


EVP & CFO

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