Insider trade

CEO sold ~$1.55M of STX shares in the open market

Traded Dec 1, 2025 · Filed Dec 2, 2025

Seagate TechnologySTX

~$1.55M
Reported value · 5,718 sh @ $271.1884: 452K
Holds after · shares reported: +250.1%
stock since the trade · S&P 500 +12.3%, $270.10 → $945.57 on Oct 1

Why it stands out

The boss of Seagate Technology sold $1.55M 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: Dec 1, 2025
Reporting period: Not applicable
Filed with the SEC: Dec 2, 2025

CEO$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$1,550,655

Shares × reported transaction price

Timing vs results

34 days after results of Oct 28, 2025, 57 days before results of Jan 27, 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 $270.10 on Dec 1, 2025, 306% above its 52-week low and 8% below its high, after a 20% rise over the previous 30 trading days

52-week range $66.54 (Apr 8, 2025) to $293.99 (Nov 10, 2025), 90% of the way up, from 250 adjusted closes. 30 trading days earlier: $225.40 on Oct 17, 2025. 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	+15.6%	+0.5%	+15.0%
30 days	+11.2%	-0.1%	+11.3%
90 days	+38.3%	-0.5%	+38.8%
180 days	+256.1%	+10.9%	+245.2%

Past results only. Not a forecast.

Source receipt

Record ID: 0001137789-25-000345
Filed / recorded: Dec 2, 2025, 10:32 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: Dec 1, 2025
Transaction code: S
Shares / units: 5,718
Price per share: $271.1884
Acquired / disposed: Disposed (D)
Shares owned after: 452,462
Ownership form: Direct
Amendment: No

Footnotes from the filing

These Ordinary Shares were sold in multiple trades at prices ranging from $270.78 to $271.76. 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.