UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 28, 2012

SEAGATE TECHNOLOGY PUBLIC LIMITED COMPANY

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (353) (1) 234-3136

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o            Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01                     Regulation FD Disclosure.

For the first fiscal quarter ended September 28, 2012, Seagate Technology plc (the “Company”) redeemed 20.5 million of its ordinary shares in public and private transactions for approximately $668.6 million, which is approximately 5% of the shares outstanding as of the beginning of the fiscal quarter.

As of September 28, 2012, the Company had approximately $1.9  billion of availability remaining under its $2.5 Billion April 2012 share repurchase authorization.  All other authorized plans have been utilized.

The estimated number of shares outstanding as of September 28, 2012, after giving effect to both the share redemptions and shares issued under various share-based compensation plans, is 386 million.

The information in this Current Report on Form 8-K is “furnished” but shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of such section.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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