Kian Fatt Chong - 20 Feb 2026 Form 4 Insider Report for Seagate Technology Holdings plc (STX)

Role
EVP Global Operations
Signature
/s/ Louis J. Thorson, Attorney-in-Fact for Kian Fatt Chong
Issuer symbol
STX
Transactions as of
20 Feb 2026
Net transactions value
-$2,434,740
Form type
4
Filing time
23 Feb 2026, 17:20:38 UTC
Previous filing
12 Dec 2025
Next filing
11 Mar 2026
SEC
View on sec.gov

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 23 Feb 2026 0001987421

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction STX Ordinary Shares Options Exercise $0 +4,427 +312% $0.000000 5,846 20 Feb 2026 Direct F1
transaction STX Ordinary Shares Sale $2,434,740 -5,846 -100% $416.48 0 23 Feb 2026 Direct F2

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 Performance-Based Restricted Share Units Options Exercise $0 -4,427 -100% $0.000000 0 20 Feb 2026 Ordinary Shares 4,427 $0.000000 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 161 Ordinary Shares purchased by Reporting Person on January 31, 2026 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.
F2 These Ordinary Shares were sold in multiple trades at prices ranging from $416.47 to $416.48. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
F3 On January 24, 2026 the Compensation and People Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to the 4,427 Performance Share Units granted on February 20, 2024. The 4,427 Ordinary Shares vested on February 20, 2026.