Transaction · 0001137789-26-000182

MOSLEY WILLIAM D

MOSLEY WILLIAM D, CEO, reported an open-market or private sale at Seagate Technology Holdings plc involving 3437.750000 shares for an estimated $2919869.46. Reported holdings after the transaction were 298483.250000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCEO
STXSeagate Technology Holdings plc
Filing timeAug 24
Trade dateAug 21, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$794.65
Pre-filing
1mo ago +14.3%1w ago +22.5%1d ago +7.0%
Returns since
7d +3.6%30d +3.6%90d +3.6%180d +3.6%1y +3.6%

STX price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
STX since 2026-08-24Filed 11 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001137789-26-000182
Ordinary Shares
Transaction date
Aug 21, 2026
Filed Aug 24, 2026, 09:10 PM · 3d delay
Shares
3.43k sh
$84.9k per share
Estimated value
-$291M
Computed from shares × price
Holdings after
298k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Direct Ownership Large Sale
+6score
Filing-only score

+6

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

CEO

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan") subject to a four-year vesting…

  2. F2

    Consists of a grant of RSUs awarded to the Reporting Person under the Plan. 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

  3. F3

    Consists of a grant of RSUs 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-qu…

  4. F4

    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 d…

  5. F5

    Consists of Options awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such Options vest as to one-quarter…

Original filing · 0001137789-26-000182
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