Whitmore Robert W 4

4 · Seagate Technology plc · Filed May 31, 2013

Form 4

Period: 2013-05-30

EVP, Chief Technical Officer

Transactions

Exercise/Conversion
Ordinary Shares
2013-05-30$4.04/sh+10,000$40,450→ 78,364 total
Sale
Ordinary Shares
2013-05-30$44.30/sh−20,000$885,974→ 63,364 total
Exercise/Conversion
NQ Stock Options
2013-05-30−10,000→ 20,000 total
Exercise: $4.04From: 2010-01-12Exp: 2016-01-30→ Ordinary Shares (10,000 underlying)
Exercise/Conversion
Ordinary Shares
2013-05-30$11.06/sh+5,000$55,325→ 83,364 total
Exercise/Conversion
Ordinary Shares
2013-05-30$13.73/sh+5,000$68,650→ 68,364 total
Exercise/Conversion
NQ Stock Options
2013-05-30−5,000→ 0 total
Exercise: $13.73From: 2009-09-12Exp: 2015-09-12→ Ordinary Shares (5,000 underlying)
Exercise/Conversion
NQ Stock Options
2013-05-30−5,000→ 40,000 total
Exercise: $11.06From: 2011-09-13Exp: 2017-09-13→ Ordinary Shares (5,000 underlying)

Footnotes (4)

[F1]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at sales prices ranging from $44.06 to $44.43, 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 this footnote.
[F2]Options granted to the Reporting Person under the Issuer's 2004 Stock Compensation Plan are subject to a four year vesting schedule. One quarter of the option shares vested on September 12, 2009. The remaining option shares vested proportionally each month over the 36 months following September 12, 2009.
[F3]Options granted to the Reporting Person under the Issuer's 2004 Stock Compensation Plan are subject to a four year vesting schedule. One quarter of the option shares vested on January 12, 2010. The remaining option shares vested proportionally each month over the 36 months following January 12, 2010.
[F4]Options granted to the Reporting Person under the Issuer's 2001 Share Option Plan are subject to a four year vesting schedule. One quarter of the option shares vested on September 13, 2011. The remaining option shares vest proportionally each month over the 36 months following September 13, 2011.

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