Seagate Technology — Director's Dealing 2014

Dec 11, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2014-12-09

Reporting Person: MOSLEY WILLIAM D (EVP, Operations and R&D)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-12-09	Ordinary Shares	M	1459	$13.73	Acquired	129633.5977	Direct
2014-12-09	Ordinary Shares	M	37122	$4.045	Acquired	166755.5977	Direct
2014-12-09	Ordinary Shares	S	26067	$65.1379	Disposed	140688.5977	Direct
2014-12-09	Ordinary Shares	S	32514	$65.8389	Disposed	108174.5977	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-12-09	NQ Stock Options	$13.73	M	1459	Disposed	2015-09-12	Ordinary Shares (1459)	Direct
2014-12-09	NQ Stock Options	$4.045	M	37122	Disposed	2016-01-30	Ordinary Shares (37122)	Direct

Footnotes

F1: Ordinary shares sold under a 10b5-1 Trading Plan adopted by the Reporting Person on February 13, 2012. These Ordinary Shares were sold in multiple transactions at sales prices ranging from $64.69 to $65.50, 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.

F2: Ordinary shares sold under a 10b5-1 Trading Plan adopted by the Reporting Person on February 13, 2012. These Ordinary Shares were sold in multiple transactions at sales prices ranging from $65.51 to $66.18, 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.

F3: Options granted to the Reporting Person under the Issuer's 2004 Stock Compensation Plan are subject to a four year vesting schedule. Subject to continuous employment, one quarter of the option shares vested on September 12, 2009. The remaining option shares vested in equal monthly installments over the 36 months following September 12, 2009.

F4: Options granted to the Reporting Person under the Issuer's 2004 Stock Compensation Plan are subject to a four year vesting schedule. Subject to continuous employment, one quarter of the option shares vested on January 30, 2010. The remaining option shares vested in equal monthly installments over the 36 months following January 30, 2010.