MOSLEY WILLIAM D

PrivateCIK: 1388390
Location

FREMONT, CA

Senior insider sale

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

$172.25M

212.25K shares

What this filing means

MOSLEY WILLIAM D plans to sell 212.25K shares of SEAGATE TECHNOLOGY HOLDINGS PLC valued at approximately $172.25M. 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
212.25K
Shares to sell
$172.25M
Approx. market value
177K
Acquired (3 months)
1
Planned
6 completed
Securities Acquired — Last 3 Months1
Sort

Performance Share Unit Vesting

Compensation for services

9/14/2026
177K
Total acquired177K
Planned & Completed Dispositions7
Sort

Completed

—Completed

Units to sell

1.87K

Market value

$1.46M

9/14/2026
—Completed

Units to sell

2.85K

Market value

$2.46M

9/10/2026
—Completed

Units to sell

30K

Market value

$24.49M

9/1/2026
—Completed

Units to sell

14.75K

Market value

$12.52M

8/21/2026
—Completed

Units to sell

30K

Market value

$24.51M

8/3/2026
—Completed

Units to sell

30K

Market value

$27.44M

7/1/2026

Planned — Approximate Date

NASDAQGSPlanned

Units to sell

102.78K

Market value

$79.36M

9/15/2026
Total

Units

212.25K

Value

$172.25M