Seagate Technology — Director's Dealing 2013

Nov 12, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2013-11-07

Reporting Person: DEHAAN DOUGLAS J (General Manager, Samsung HDD)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-11-07	Ordinary Shares	M	33334	$3.345	Acquired	63436	Direct
2013-11-07	Ordinary Shares	M	5313	$11.065	Acquired	68749	Direct
2013-11-07	Ordinary Shares	M	6604	$11.155	Acquired	75353	Direct
2013-11-07	Ordinary Shares	M	4883	$29.87	Acquired	80236	Direct
2013-11-07	Ordinary Shares	S	61434	$47.5123	Disposed	18802	Direct
2013-11-07	Ordinary Shares	S	1018	$47.5164	Disposed	0	Indirect
2013-11-07	Ordinary Shares	S	1018	$47.5452	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-11-07	NQ Stock Options	$3.345	M	33334	Disposed	2016-03-06	Ordinary Shares (33334)	Direct
2013-11-07	NQ Stock Options	$11.065	M	5313	Disposed	2017-09-13	Ordinary Shares (5513)	Direct
2013-11-07	NQ Stock Options	$11.155	M	6604	Disposed	2018-09-12	Ordinary Shares (6604)	Direct
2013-11-07	NQ Stock Options	$29.87	M	4883	Disposed	2019-09-10	Ordinary Shares (4883)	Direct

Footnotes

F1: These Ordinary Shares were sold in multiple transactions at sales prices ranging from $47.40 to $47.64, 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: Options granted to the Reporting Person under the Seagate Technology's 2004 Stock Compensation Plan are subject to four and one half year vesting schedule. One quarter of the option shares vested on September 11, 2010. The Remaining options vested monthly over the 36 months following September 11, 2010.

F3: Options granted to the Reporting Person under the Seagate Technology 2001 Stock Option Plan are subject to a four year vesting schedule. One quarter of the options vested on September 13, 2011. Following continuous employment, the remaining options vest monthly over the 36 months following September 13, 2011.

F4: Options granted to the Reporting Person under the Seagate Technology's 2004 Stock Compensation Plan are subject to four-year vesting schedule. One quarter of the option shares vested on September 12, 2012. The Remaining options vest monthly over the 36 months following September 12, 2012.

F5: 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. One quarter of the options vested September 10, 2013. The remaining options vest in equal monthly installments over the 36 months following September 10, 2013.