Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Scolnick Kathryn R.
 2. Date of Event Requiring Statement (Month/Day/Year)
08/04/2018		 3. Issuer Name and Ticker or Trading Symbol
Seagate Technology plc [STX]
(Last)
(First)
(Middle)
10200 S. DE ANZA BOULEVARD		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Interim CFO
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

CUPERTINO, CA 95014		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Ordinary Shares 117.0198
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
NQ Options   (1) 09/09/2021 Ordinary Shares 5,400 $ 60.83 D  
NQ Options   (2) 09/09/2022 Ordinary Shares 2,035 $ 50.1 D  
NQ Options   (3) 03/21/2023 Ordinary Shares 30,344 $ 36.54 D  
NQ Options   (4) 09/09/2023 Ordinary Shares 19,976 $ 36.09 D  
NQ Options   (5) 09/11/2024 Ordinary Shares 16,790 $ 30.95 D  
Restricted Share Unit   (6) 09/09/2018 Ordinary Shares 750 $ 0 D  
Restricted Share Unit   (7) 09/09/2019 Ordinary Shares 1,428 $ 0 D  
Restricted Share Unit   (8) 09/09/2020 Ordinary Shares 9,282 $ 0 D  
Restricted Share Unit   (9) 09/11/2021 Ordinary Shares 6,715 $ 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Scolnick Kathryn R.
10200 S. DE ANZA BOULEVARD
CUPERTINO, CA 95014		       Interim CFO  

Signatures

/s/ Laurie Webb Attorney-in-Fact for Kathryn R. Scolnick 08/14/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) 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. Subject to the Reporting Person's continuous employment, one-quarter of the options vest on September 9, 2015. The remaining options vest in equal monthly installments over the 36 months following September 9, 2015.
(2) 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, originally granted for 5,140 shares, of which 3,105 shares have been exercised, vest on September 9, 2016. The remaining options vest in equal monthly installments over the 36 months following September 9, 2016.
(3) Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to Reporting Person's continuous employment, one-quarter of the options, originally granted for 58,260 shares, of which 27,916 shares have been exercised, vest on March 21, 2017. The remaining options vest in equal monthly installments over the 36 months following March 21, 2017.
(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, originally granted for 30,930 shares, of which 10,954 shares have been exercised, vest on September 9, 2017. The remaining option shares vest in equal monthly installments over the 36 months following September 9, 2017.
(5) Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to continuous employment, one-quarter of the options vest on September 11, 2018. The remaining options vest in equal monthly installments over the 36 months following September 11, 2018.
(6) Consists of a grant of restricted share units ("RSU") awarded to the Reporting Person under the Plan. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous employment, such RSUs, originally granted for 3,000 shares, of which 2,250 shares have been released, vest as to one-quarter of the shares on September 9, 2015 and each one-year anniversary thereafter.
(7) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous employment, such RSUs, originally granted for 2,855 shares, of which 1,427 shares have been released, vest as to one-quarter of the shares on September 9, 2016 and each one-year anniversary thereafter.
(8) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous employment, such RSUs, originally granted for 12,375 shares, of which 3,093 shares have been released, vest as to one-quarter of the shares on September 9, 2017 and each one-year anniversary thereafter.
(9) Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 11, 2018 and each one-year anniversary thereafter.

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