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 *
LUCZO STEPHEN J
  2. Issuer Name and Ticker or Trading Symbol
Seagate Technology plc [STX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman and CEO
(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   21,585 (1) A $ 0 133,715 (2) D  
Ordinary Shares 07/23/2014   A   65,000 (3) A $ 0 198,715 D  
Ordinary Shares 07/24/2014   S   150,000 D $ 59.006 (4) 1,365,265 (2) I Stephen J Luczo Revocable Trust

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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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
LUCZO STEPHEN J
SEAGATE TECHNOLOGY PLC
10200 S. DE ANZA BOULEVARD
CUPERTINO, CA 95014
  X     Chairman and CEO  

Signatures

 /s/ Jolene 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 21,585 of the 86,340 Performance Share Units granted to Mr. Luczo on August 1, 2012. The 21,585 Ordinary Shares will vest on August 1, 2014, subject to the continuous service through such date.
(2) On May 20, 2014, the Reporting Person transferred 29,794 Ordinary Shares previously owned directly to the Stephen J Luczo Revocable Trust.
(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 65,000 of the 260,000 Performance Share Units granted to Mr. Luczo on September 12, 2011. The 65,000 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) These Ordinary Shares were sold in multiple transactions at sales prices ranging from $58.39 to $59.62, 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.

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