Kian Fatt Chong - 20 Aug 2025 Form 4 Insider Report for Seagate Technology Holdings plc (STX)

Signature
/s/ Louis J. Thorson, Attorney-in-Fact for Kian Fatt Chong
Issuer symbol
STX
Transactions as of
20 Aug 2025
Net transactions value
$0
Form type
4
Filing time
22 Aug 2025, 18:02:43 UTC
Previous filing
12 Jun 2025
Next filing
11 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Chong Kian Fatt EVP Global Operations SEAGATE TECHNOLOGY PLC, 47488 KATO ROAD, FREMONT /s/ Louis J. Thorson, Attorney-in-Fact for Kian Fatt Chong 22 Aug 2025 0001987421

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction STX NQ Stock Option Award $0 +13,976 $0.000000 13,976 20 Aug 2025 Ordinary Shares 13,976 $158.40 Direct F1
transaction STX Restricted Share Unit Award $0 +5,241 $0.000000 5,241 20 Aug 2025 Ordinary Shares 5,241 $0.000000 Direct F2
transaction STX Restricted Share Unit Award $0 +4,258 $0.000000 4,258 20 Aug 2025 Ordinary Shares 4,258 $0.000000 Direct F3
transaction STX Restricted Share Unit Award $0 +1,278 $0.000000 1,278 20 Aug 2025 Ordinary Shares 1,278 $0.000000 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Options granted to the Reporting Person under the Seagate Technology plc 2022 Equity Incentive Plan the ("Plan") are subject to a four-year vesting schedule. Subject to continuous employment, 25% shall vest on August 20, 2026 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years.
F2 Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Plan, subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.
F3 Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.