Ownership Submission
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

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 *
Richarz David K
   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)
Executive Vice President,Sales
(Last)
(First)
(Middle)
SEAGATE TECHNOLOGY PLC, 10200 S. DE ANZA BOULEVARD		 3. Date of Earliest Transaction (Month/Day/Year)
07/23/2014
(Street)

CUPERTINO, CA 95014		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 07/23/2014   A   3,750 (1) A $ 0 10,391 D  
Ordinary Shares 07/23/2014   A   4,500 (2) A $ 0 14,891 D  
Ordinary Shares 07/23/2014   A   14,625 (3) A $ 0 29,516 D  
Ordinary Shares 07/23/2014   A   3,600 (4) A $ 0 33,116 D  
Ordinary Shares 07/25/2014   M   11,900 A $ 11.065 45,016 D  
Ordinary Shares 07/25/2014   M   13,750 A $ 29.87 58,766 D  
Ordinary Shares 07/25/2014   S   25,650 D $ 59.5559 (5) 33,116 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(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
NQ Stock Options $ 11.065 07/25/2014   M     11,900 09/13/2011(6) 09/13/2017 Ordinary Shares 11,900 $ 0 3,750 D  
NQ Stock Options $ 29.87 07/25/2014   M     13,750 09/10/2013(7) 09/10/2019 Ordinary Shares 13,750 $ 0 16,250 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Richarz David K
SEAGATE TECHNOLOGY PLC
10200 S. DE ANZA BOULEVARD
CUPERTINO, CA 95014		       Executive Vice President,Sales  

Signatures

 /s/ Jolene A. Mendelsohn by power of attorney   07/25/2014
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) On July 23, 2014, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 3,750 of the 15,000 Performance Share Units granted to Mr. Richarz on September 9, 2013. The 3,750 Ordinary Shares will vest on September 9, 2014, subject to the continuous service through such date.
(2) On July 23, 2014, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 4,500 of the 18,000 Performance Share Units granted to Mr. Richarz on September 10, 2012. The 4,500 Ordinary Shares will vest on September 10, 2014, subject to the continuous service through such date.
(3) On July 23, 2014, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 14,625 of the 58,500 Performance Share Units granted to Mr. Richarz on September 12, 2011. The 14,625 Ordinary Shares will vest on September 12, 2014 (or in certain circumstances, at the opening of the next following trading window), subject to the continuous service through such date.
(4) On July 23, 2014, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 3,600 of the 14,400 Performance Shares granted to Mr. Richarz on September 13, 2010. The 3,600 Ordinary Shares will vest on September 13, 2014 (or in certain circumstances, at the opening of the next following trading window), subject to the continuous service through such date.
(5) These Ordinary Shares were sold in multiple transactions at sales prices ranging from $59.48 to $59.68, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnote of this Form 4.
(6) Options granted to the Reporting Person under the Seagate Technology's 2001 Share Option Plan are subject to a four-year vesting schedule. One quarter of the option shares vested on September 13, 2011. The remaining options vest in equal monthly installments over the 36 months following September 13, 2011.
(7) Options granted to the Reporting Person under the Seagate Technology's 2012 Share Option Plan are subject to a four-year vesting schedule. One quarter of the option shares vested on September 10, 2013. The remaining options vest in equal monthly installments over the 36 months following September 10, 2013.

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