Kian Fatt Chong - 11 Sep 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
11 Sep 2025
Net transactions value
$0
Form type
4
Filing time
15 Sep 2025, 18:10:42 UTC
Previous filing
11 Sep 2025
Next filing
03 Nov 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 15 Sep 2025 0001987421

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction STX Ordinary Shares Options Exercise $0 +678 +15% $0.000000 5,062 11 Sep 2025 Direct
transaction STX Ordinary Shares Options Exercise $0 +2,016 +40% $0.000000 7,078 14 Sep 2025 Direct

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 Restricted Share Unit Options Exercise $0 -678 -11% $0.000000 5,426 11 Sep 2025 Ordinary Shares 678 $0.000000 Direct F1
transaction STX Performance-Based Restricted Share Units Award $0 +2,016 $0.000000 2,016 14 Sep 2025 Ordinary Shares 2,016 $0.000000 Direct F2
transaction STX Performance-Based Restricted Share Units Options Exercise $0 -2,016 -100% $0.000000 0 14 Sep 2025 Ordinary Shares 2,016 $0.000000 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Consists of a grant of restricted share units awarded to the reporting person under the Seagate Technology plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years.
F2 On September 14, 2025, the Compensation Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to 2,016 of the 2,150 Performance Share Units granted on September 9, 2022. The 2,016 Ordinary Shares vested on September 14, 2025.