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 *
  MURPHY JAMES J
 2. Date of Event Requiring Statement (Month/Day/Year)
01/04/2017		 3. Issuer Name and Ticker or Trading Symbol
Seagate Technology plc [STX]
(Last)
(First)
(Middle)
10200 S. DEANZA BOULEVARD		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP, Sales & Marketing
 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)

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 Stock Option Grant 12/20/2017(1) 12/20/2023 Ordinary Shares 398,774 $ 38.76 D  
Performance-Based Restricted Share Unit Grant   (2)   (2) Ordinary Shares 83,850 $ (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
MURPHY JAMES J
10200 S. DEANZA BOULEVARD
CUPERTINO, CA 95014		       EVP, Sales & Marketing  

Signatures

/s/ Suhani Akhare by Power of Attorney for James Murphy 01/12/2017
**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) Consists of a grant of stock options awarded to the Reporting Person on December 20, 2016 under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. 25% of the award shall vest on December 20, 2017 and the remaining portion shall vest in equal monthly installments over the next three years ending on December 20, 2020.
(2) Consists of a grant of performance-based restricted share units ("PSUs") awarded to the Reporting Person on December 20, 2016 under the Amended and Restated Seagate Technology plc 2012 Equity Incentive Plan for no consideration. Each PSU represents a contingent right to receive one Ordinary Share of the Issuer, provided however, no more than 25% of the PSU award shall vest on the first anniversary of the grant date and the remaining PSUs shall vest 25% each on December 20, 2018, 2019 and 2020 respectively contingent upon (i) satisfaction of the performance criteria and (ii) the Reporting Person's continuous service with the Issuer through each such vesting date. If the performance criteria is not achieved, unvested PSUs from prior years may vest cumulatively and the performance period may continue for up to seven years. If the performance criteria is not met within seven years, any unvested shares are forfeited.

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