Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Oct 1, 2026
Reporting period
Not applicable
Filed with the SEC
Oct 3, 2026
CEOOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001137789-26-000261
Filed / recorded
Oct 3, 2026, 12:07 AM UTC
Added to OQRO
Oct 3, 2026, 11:40 AM UTC
Parser
form4-xml-v1
Data quality
Verified: identifiers matched exactly
Issuer
Seagate Technology Holdings plc
Issuer CIK
1137789
Ticker
STX
Reporting person
William D Mosley
Relationship
Director, Officer
Officer title
CEO
Security
NQ Options
Table
Derivative (Table II)
Transaction date
Oct 1, 2026
Transaction code
M
Shares / units
14,000
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
83,100
Ownership form
Direct
Amendment
No
Footnotes from the filing
Options granted to the Reporting Person are subject to a four year vesting schedule. One quarter of the option shares vested on September 9, 2021. The remaining option shares vest in equal monthly installments over the 36 months following September 9, 2021.