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 plc [ STX ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
SVP, Sales
(Last)          (First)          (Middle)

10200 S DE ANZA BLVD
3. Date of Earliest Transaction (MM/DD/YYYY)

2/12/2020
(Street)

CUPERTINO, CA 95014
(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 2/12/2020  M  368 (1)A$36.09 11197 D  
Ordinary Shares 2/12/2020  M  129 (1)A$30.95 11326 D  
Ordinary Shares 2/12/2020  S  497 (1)D$55.96 10829 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 Security3. Trans. Date3A. Deemed Execution Date, if any4. 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 Date7. 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
NQ Stock Option $36.09 2/12/2020  M     368 (1) 9/9/2017 (2)9/9/2023 Ordinary Shares 368.0 $0 2579 D  
NQ Stock Option $30.95 2/12/2020  M     129 (1) 9/11/2018 (3)9/11/2024 Ordinary Shares 129.0 $0 2463 D  

Explanation of Responses:
(1) The option exercises and 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) Options granted to the Reporting Person under the Seagate Technology plc 2012 Equity Incentive Plan (the "Plan") are subject to a four-year vesting schedule. One quarter of the options vested on September 9, 2017. Subject to the Reporting Person's continuous employment, the remaining options vest in equal monthly installments over the 36 months following September 9, 2017.
(3) Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. One quarter of the options vested on September 11, 2018. Subject to the Reporting Person's continuous employment, the remaining options vest in equal monthly installments over the 36 months following September 11, 2018.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Teh Ban Seng
10200 S DE ANZA BLVD
CUPERTINO, CA 95014


SVP, Sales

Signatures
/s/ Leanne M. Mader Attorney-in-Fact for Ban Seng Teh2/14/2020
**Signature of Reporting PersonDate

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