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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1. Name and Address of Reporting Person * Scolnick Kathryn R.   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) Interim CFO (Last) (First) (Middle) 10200 S. DE ANZA BOULEVARD 3. Date of Earliest Transaction (Month/Day/Year) 08/16/2018 (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 08/16/2018   M   642 A $ 50.1 759.0198 D   Ordinary Shares 08/16/2018   M   6,069 A $ 36.54 6,828.0198 D   Ordinary Shares 08/16/2018   M   3,866 A $ 36.09 10,694.0198 D   Ordinary Shares 08/16/2018   S   10,577 D $ 53.12 (1) 117.0198 (2) 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 Options

$ 50.1

08/16/2018

M

642

09/09/2016(3)

09/09/2022

Ordinary Shares

642

$ 0

1,393

D

NQ Options

$ 36.54

08/16/2018

M

6,069

03/21/2017(4)

03/21/2023

Ordinary Shares

6,069

$ 0

24,275

D

NQ Options

$ 36.09

08/16/2018

M

3,866

09/09/2017(5)

09/09/2023

Ordinary Shares

3,866

$ 0

16,110

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		08/20/2018
**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)	These Ordinary Shares were sold in multiple transactions at sales prices ranging from $53.10 to $53.19, 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 range set forth in the footnote of this Form 4.
(2)	Includes 117.0198 shares acquired pursuant to the Issuer's dividend reinvestment plan.
(3)	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, originally granted for 5,140 shares, of which 3,747 have been exercised, vest on September 9, 2016. The remaining options vest in equal monthly installments over the 36 months following September 9, 2016.
(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 58,260 shares, of which 33,985 have been exercised, vest on March 21, 2017. The remaining options vest in equal monthly installments over the 36 months following March 21, 2017.
(5)	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 14,820 have been exercised, vest on September 9, 2017. The remaining options vest in equal monthly installments over the 36 months following September 9, 2017.

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