John Christopher Morris - 09 Mar 2026 Form 4 Insider Report for Seagate Technology Holdings plc (STX)

Role
EVP & CTO
Signature
/s/ Louis J. Thorson, Attorney-in-Fact for John C. Morris
Issuer symbol
STX
Transactions as of
09 Mar 2026
Net transactions value
$0
Form type
4
Filing time
11 Mar 2026, 16:14:01 UTC
Previous filing
25 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Morris John Christopher EVP & CTO SEAGATE TECHNOLOGY PLC, 47488 KATO ROAD, FREMONT /s/ Louis J. Thorson, Attorney-in-Fact for John C. Morris 11 Mar 2026 0001988271

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction STX Ordinary Shares Options Exercise +499 +3% $0.000000* 17,065 09 Mar 2026 Direct
transaction STX Ordinary Shares Tax liability -228 -1.3% $374.33* 16,837 09 Mar 2026 Direct
transaction STX Ordinary Shares Options Exercise +631 +3.7% $0.000000* 17,468 09 Mar 2026 Direct
transaction STX Ordinary Shares Tax liability -288 -1.6% $374.33* 17,180 09 Mar 2026 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 -499 -33% $0.000000* 999 09 Mar 2026 Ordinary Shares 499 $0.000000 Direct F1
transaction STX Restricted Share Unit Options Exercise -631 -9.1% $0.000000* 6,317 09 Mar 2026 Ordinary Shares 631 $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 RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.
F2 Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment, one-quarter vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.