0001418812-23-000050.txt : 20231017 0001418812-23-000050.hdr.sgml : 20231017 20231017174649 ACCESSION NUMBER: 0001418812-23-000050 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231017 DATE AS OF CHANGE: 20231017 SUBJECT COMPANY: 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: 0630 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-31560 FILM NUMBER: 231330497 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: ValueAct Capital Master Fund, L.P. CENTRAL INDEX KEY: 0001464912 IRS NUMBER: 980440869 STATE OF INCORPORATION: D8 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 BUSINESS ADDRESS: STREET 1: ONE LETTERMAN DRIVE STREET 2: BUILDING D, 4TH FLOOR CITY: SAN FRANCISCO STATE: CA ZIP: 94129 BUSINESS PHONE: 415-362-3700 MAIL ADDRESS: STREET 1: ONE LETTERMAN DRIVE STREET 2: BUILDING D, 4TH FLOOR CITY: SAN FRANCISCO STATE: CA ZIP: 94129 144 1 primary_doc.xml 144 0001464912 XXXXXXXX LIVE 0001137789 Seagate Technology Holdings plc 001-31560 38/39 FITZWILLIAM SQUARE DUBLIN 2 L2 D02 NX53 353-1234-3136 ValueAct Capital Master Fund, L.P. 3.6% Ordinary Shares Morgan Stanley & Co. LLC

1585 Broadway New York NY 10036

1500000 103425000.00 207393242 10/17/2023 NASDAQ Ordinary Shares J.P. Morgan Securities LLC

383 Madison Avenue New York NY 10179

42691 2943544.45 207393242 10/17/2023 NASDAQ Ordinary Shares 08/02/2017 Open Market Sale N/A N 141313 08/04/2017 Regular way settlement Ordinary Shares 08/02/2017 Open Market Sale N/A N 200000 08/04/2017 Regular way settlement Ordinary Shares 08/01/2017 Open Market Sale N/A N 250000 08/03/2017 Regular way settlement Ordinary Shares 08/02/2017 Open Market Sale N/A N 200000 08/04/2017 Regular way settlement Ordinary Shares 08/01/2017 Open Market Sale N/A N 250000 08/03/2017 Regular way settlement Ordinary Shares 08/01/2017 Open Market Sale N/A N 200000 08/03/2017 Regular way settlement Ordinary Shares 09/19/2016 Open Market Sale N/A N 6264275 09/22/2016 Regular way settlement N ValueAct Capital Master Fund, L.P.

One Letterman Drive Building D, Fourth Floor San Francisco CA 94129

Ordinary Shares 09/06/2023 5750000 396750000.00 ValueAct Capital Master Fund, L.P.

One Letterman Drive Building D, 4th Floor San Francisco CA 94129

Ordinary Shares 10/16/2023 181482 12519562.61 10/17/2023 /s Jason Breeding, Authorized Signatory