SEC FORM 4/A

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

LUCZO STEPHEN J

(Last)

(First)

(Middle)

SEAGATE TECHNOLOGY PLC

10200 S. DE ANZA BOULEVARD

(Street)

CUPERTINO

95014

(City)

(State)

(Zip)

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, President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
07/24/2012

4. If Amendment, Date of Original Filed (Month/Day/Year)
07/26/2012

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary Shares	07/24/2012		A⁽¹⁾		37,500⁽²⁾	A	$0	38,750	D
Ordinary Shares	07/24/2012		A⁽¹⁾		65,000⁽³⁾	A	$0	103,750	D
Ordinary Shares								2,354,692	I	Stephen J Luczo Revocable Trust
Ordinary Shares								150,000	I	Red Zone Holdings Limited Partnership
Ordinary Shares								150,000	I	Red Zone II Limited Partnership

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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. This amended Form 4 is being filed to reflect that the transactions in the original filing (filed on July 26, 2012) were exempt pursuant to Rule 16b-3(d) of the Exchange Act of 1934.

2. On July 24, 2012, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 37,500 of the 150,000 Performance Shares granted to Mr. Luczo on January 30, 2009. The 37,500 shares will vest on January 30, 2013 (or, in certain circumstances, at the opening of the next following trading window), subject to continuous service through such date.

3. On July 24, 2012, 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 shares will vest on September 12, 2012 (or, in certain circumstances, at the opening of the next following trading window), subject to continuous service through such date.

	/S/ Roberta S. Cohen by power of attorney	08/10/2012
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
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