MOSLEY WILLIAM D

PrivateCIK: 1388390
Location

FREMONT, CA

Senior insider sale

CEO at SEAGATE TECHNOLOGY HOLDINGS PLC — senior position signals high conviction

$39.83M

104.58K shares

What this filing means

MOSLEY WILLIAM D plans to sell 104.58K shares of SEAGATE TECHNOLOGY HOLDINGS PLC valued at approximately $39.83M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderMOSLEY WILLIAM DCIK 1388390
DirectorOfficer· CEO
Since Mar 2026
104.58K
Shares to sell
$39.83M
Approx. market value
20K
Acquired (3 months)
1
Planned
4 completed
Securities Acquired — Last 3 Months3
Sort

Performance Stock Units

N/A

9/11/2018
10.03K

Employee Stock Purchase Plan

Cash

7/31/2018
109.00

Restricted Stock Units

N/A

9/10/2015
9.86K
Total acquired20K
Planned & Completed Dispositions5
Sort

Completed

Completed

Units to sell

24.58K

Market value

$10.00M

3/19/2026
Completed

Units to sell

20K

Market value

$7.70M

3/2/2026
Completed

Units to sell

20K

Market value

$8.59M

2/2/2026
Completed

Units to sell

20K

Market value

$5.71M

1/2/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

20K

Market value

$7.84M

4/1/2026
Total

Units

104.58K

Value

$39.83M

MOSLEY WILLIAM D — Planned Insider Sale (Form 144) | Finecho