Insider trade

CEO sold ~$75.6M of STX shares in the open market

Traded Sep 15, 2026 · Filed Sep 16, 2026

Seagate TechnologySTX

~$75.6M
Reported value · 98K sh @ $772.1432: 378K
Holds after · shares reported: +22.5%
stock since the trade · S&P 500 +0.9%, $771.81 → $945.57 on Oct 1

Why it stands out

The boss of Seagate Technology sold $75.6M of Seagate Technology shares. It happened by itself, for taxes or pay.

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 Ownership

All the details

Dates, kept separate

Transaction date: Sep 15, 2026
Reporting period: Not applicable
Filed with the SEC: Sep 16, 2026

CEO$1M+Pre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$75,584,519

Shares × reported transaction price

Timing vs results

49 days after results of Jul 28, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $771.81 on Sep 15, 2026, 266% above its 52-week low and 29% below its high, after a 7% drop over the previous 30 trading days

52-week range $211.13 (Sep 16, 2025) to $1,094.04 (Jun 22, 2026), 64% of the way up, from 251 adjusted closes. 30 trading days earlier: $831.06 on Aug 3, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references tax withholding

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+12.8%	+0.6%	+12.2%

Past results only. Not a forecast.

Source receipt

Record ID: 0001137789-26-000252
Filed / recorded: Sep 16, 2026, 8:10 PM UTC
Added to OQRO: Oct 2, 2026, 12:28 PM 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: Ordinary Shares
Table: Non-derivative (Table I)
Transaction date: Sep 15, 2026
Transaction code: S
Shares / units: 97,889.25
Price per share: $772.1432
Acquired / disposed: Disposed (D)
Shares owned after: 378,108.25
Ownership form: Direct
Amendment: No

Footnotes from the filing

Represents sales made pursuant to Issuer mandated sell-to-cover solely to satisfy tax withholding obligations.

Around the same time

CEO sold2d ago

~$543KReported value · 579 sh @ $937.3285

The boss of Seagate Technology sold $543K of Seagate Technology shares. Nobody planned it ahead of time.

Why it stands out Official record

CEO sold2d ago

~$601KReported value · 640 sh @ $938.3194

The boss of Seagate Technology sold $601K of Seagate Technology shares. Nobody planned it ahead of time.

Why it stands out Official record

CEO sold ~$334K of Seagate Technology

Scheduled in advance2d ago