Seagate Technology — Director's Dealing 2018

Feb 2, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2018-01-30

Reporting Person: LUCZO STEPHEN J (Director, Executive Chairman & COB)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-01-30	Ordinary Shares	M	206300	$30.23	Acquired	206300	Direct
2018-01-30	Ordinary Shares	M	107922	$30.23	Acquired	314222	Direct
2018-01-30	Ordinary Shares	S	241738	$54.76	Disposed	72484	Direct
2018-01-30	Ordinary Shares	G	20000	—	Disposed	1021613	Indirect
2018-01-31	Ordinary Shares	S	100000	$55.57	Disposed	921613	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-01-31	NQ Stock Options	$30.23	M	206300	Disposed	2019-08-01	Ordinary Shares (206300.0)	Direct
2018-01-31	NQ Stock Options	$30.23	M	107922	Disposed	2019-08-01	Ordinary Shares (107922.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	381411	Indirect
Ordinary Shares	250000	Indirect

Footnotes

F1: On November 4, 2016, the Reporting Person transferred 27,188 Ordinary Shares, previously held directly, to the Stephen J. Luczo Revocable Trust dated January 26, 2001. These 27,188 shares were inadvertently reported as directly held by the Reporting Person on subsequent Form 4's filed on April 27, 2017 and thereafter.

F2: On September 13, 2017 the Reporting Person transferred 34,375 shares held directly to the Stephen J. Luczo Revocable Trust dated January 26, 2001.

F3: On September 27, 2017 the Reporting Person transferred 33,857 shares held directly to the Stephen J. Luczo Revocable Trust dated January 26, 2001.

F4: These Ordinary Shares were sold in multiple transactions at sales prices ranging from $54.46 to $55.00, 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 the footnote of this Form 4.

F5: Includes 635 shares acquired on October 5, 2017 and on January 4, 2018 under the Seagate Technology plc's Dividend Reinvestment Program.

F6: On January 30, 2018 the Reporting Person transferred 118,588 shares from the Stephen J. Luczo 2016 Grantor Retained Annuity Trust to Stephen J. Luczo Revocable Trust dated January 26, 2001.

F7: These Ordinary Shares were sold in multiple transactions at sales prices ranging from $55.48 to $55.65, 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 the footnote of this Form 4.

F8: 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. Subject to continuous employment, one quarter of the options vested August 1, 2013. The remaining options vest in equal monthly installments over the 36 months following August 1, 2013.

F9: Options granted to the Reporting Person under the Seagate Technology plc 2012 Equity Incentive Plan are subject to a four-year vesting schedule. Subject to continuous employment, one quarter of the options vested August 1, 2013. The remaining options vest in equal monthly installments over the 36 months following August 1, 2013.