0001137789-22-000064.txt : 20220913 0001137789-22-000064.hdr.sgml : 20220913 20220913212041 ACCESSION NUMBER: 0001137789-22-000064 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20220909 FILED AS OF DATE: 20220913 DATE AS OF CHANGE: 20220913 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MOSLEY WILLIAM D CENTRAL INDEX KEY: 0001388390 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-31560 FILM NUMBER: 221241932 MAIL ADDRESS: STREET 1: SEAGATE TECHNOLOGY STREET 2: 47488 KATO ROAD CITY: FREMONT STATE: CA ZIP: 94538 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Seagate Technology Holdings plc CENTRAL INDEX KEY: 0001137789 STANDARD INDUSTRIAL CLASSIFICATION: COMPUTER STORAGE DEVICES [3572] IRS NUMBER: 981597419 FISCAL YEAR END: 0701 BUSINESS ADDRESS: STREET 1: 38/39 FITZWILLIAM SQUARE CITY: DUBLIN 2 STATE: L2 ZIP: D02 NX53 BUSINESS PHONE: 353-1234-3136 MAIL ADDRESS: STREET 1: 38/39 FITZWILLIAM SQUARE CITY: DUBLIN 2 STATE: L2 ZIP: D02 NX53 FORMER COMPANY: FORMER CONFORMED NAME: Seagate Technology plc DATE OF NAME CHANGE: 20100706 FORMER COMPANY: FORMER CONFORMED NAME: Seagate Technology DATE OF NAME CHANGE: 20090330 FORMER COMPANY: FORMER CONFORMED NAME: SEAGATE TECHNOLOGY DATE OF NAME CHANGE: 20021212 4 1 wf-form4_166311842505778.xml FORM 4 X0306 4 2022-09-09 0 0001137789 Seagate Technology Holdings plc STX 0001388390 MOSLEY WILLIAM D SEAGATE TECHNOLOGY HOLDINGS PLC 47488 KATO ROAD FREMONT CA 94538 1 1 0 0 Chief Executive Officer Ordinary Shares 2022-09-09 4 F 0 6449 68.83 D 556940 D Ordinary Shares 2022-09-09 4 F 0 7767 68.83 D 549173 D Ordinary Shares 2022-09-09 4 M 0 9006 0 A 558179 D Ordinary Shares 2022-09-09 4 F 0 4466 68.83 D 553713 D Ordinary Shares 2022-09-10 4 F 0 6285 68.83 D 547428 D Restricted Share Unit 2022-09-09 4 M 0 9006 0 D Ordinary Shares 9006.0 27019 D Restricted Share Unit 0.0 2022-09-09 4 A 0 45030 0 A Ordinary Shares 45030.0 45030 D Restricted Share Unit 0.0 2022-09-09 4 A 0 10540 0 A Ordinary Shares 10540.0 10540 D NQ Options 68.83 2022-09-09 4 A 0 120080 0 A Ordinary Shares 120080.0 228080 D These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3. Includes 8 Ordinary Shares purchased by Reporting Person on July 29, 2022 under the Issuer's Employee Stock Purchase Plan. Such acquisition is exempt from reporting pursuant to Rule 16b-3 under the Securities Exchange Act of 1934. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2022 and each one-year anniversary thereafter. Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter. Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, such RSUs vest in full on September 9, 2023. Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one-quarter of the options will vest on September 9, 2023 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2023. Exhibit 24 - Power of Attorney attached hereto /s/ Abraham S. Barrera, Attorney-in-Fact for William D. Mosley 2022-09-13 EX-24 2 section16powerofattorney-w.htm EXHIBIT 24 - POA

POWER OF ATTORNEY

The undersigned, as a Section 16 reporting person of Seagate Technology plc
(the "Company"), hereby constitutes and appoints Steven M. Haines, Abraham S. Barrera, and Laurie A. Webb, and each of them acting individually, as the undersigned's true and lawful attorney-in-fact, to:
1. Prepare, execute in the undersigned's name and on the undersigned's behalf, and submit to the U.S. Securities and Exchange Commission (the "SEC") a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain EDGAR codes and passwords enabling the undersigned to make electronic filings with the SEC of reports required by Section 16(a) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or any rule or regulation of the SEC;
2. Complete and execute in the undersigned's name and on the undersigned's behalf, and submit to the SEC all Forms 3, 4 and 5 and other forms and all amendments thereto as such attorney-in-fact shall in her discretion determine to be required or advisable pursuant to Section 16 of the Exchange Act and the rules and regulations promulgated thereunder, or any successor laws and regulations, as a consequence of the undersigned's ownership, acquisition or disposition of securities of the Company; and
3. Do all acts necessary in order to file such forms with the SEC, any securities exchange or national association, the Company, and such other person or agency that the attorney-in-fact shall deem appropriate.
The undersigned hereby ratifies and confirms all that said attorneys-in-fact and agents shall do or cause to be done by virtue hereof. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Exchange Act or any rule or regulation of the SEC.
This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the Company and the foregoing attorneys-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 24th day of July, 2022.

Signature: /s/ William D. Mosley
Print Name: William D. Mosley