Insider trade

CEO sold ~$3.5M of STX shares in the open market

Traded Sep 1, 2026 · Filed Sep 3, 2026

Seagate TechnologySTX

~$3.5M
Reported value · 4,287 sh @ $816.7463: 305K
Holds after · shares reported: +15.8%
stock since the trade · S&P 500 +0.3%, $816.64 → $945.57 on Oct 1

Why it stands out

The boss of Seagate Technology sold $3.5M of Seagate Technology shares. Nobody planned it ahead of time.

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 1, 2026
Reporting period: Not applicable
Filed with the SEC: Sep 3, 2026

CEO$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$3,501,391

Shares × reported transaction price

Timing vs results

35 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 $816.64 on Sep 1, 2026, 379% above its 52-week low and 25% below its high, after an 8% drop over the previous 30 trading days

52-week range $170.50 (Sep 2, 2025) to $1,094.04 (Jun 22, 2026), 70% of the way up, from 252 adjusted closes. 30 trading days earlier: $891.83 on Jul 21, 2026. Describes the past only, not a forecast

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	-2.3%	-0.8%	-1.5%

Past results only. Not a forecast.

Source receipt

Record ID: 0001137789-26-000197
Filed / recorded: Sep 3, 2026, 8:51 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 1, 2026
Transaction code: S
Shares / units: 4,287
Price per share: $816.7463
Acquired / disposed: Disposed (D)
Shares owned after: 304,727.5
Ownership form: Direct
Amendment: No

Footnotes from the filing

These Ordinary Shares were sold in multiple trades at prices ranging from $816.28 to $817.27. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Around the same time

CEO sold3d 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 sold3d 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

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Scheduled in advance3d ago