Insider trade

CEO sold ~$3.16M of STX shares in the open market

Traded May 20, 2026 · Filed May 21, 2026

Seagate TechnologySTX

~$3.16M
Reported value · 4,206 sh @ $751.745: 351K
Holds after · shares reported: +18.1%
stock since the trade · S&P 500 +4.5%, $751.07 → $887.09 on Oct 5

Why it stands out

The boss of Seagate Technology sold $3.16M 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: May 20, 2026
Reporting period: Not applicable
Filed with the SEC: May 21, 2026

CEO$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$3,161,839

Shares × reported transaction price

Timing vs results

22 days after results of Apr 28, 2026, 69 days before 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 $751.07 on May 20, 2026, 619% above its 52-week low and 10% below its high, after a 51% rise over the previous 30 trading days

52-week range $104.43 (May 21, 2025) to $834.01 (May 11, 2026), 89% of the way up, from 251 adjusted closes. 30 trading days earlier: $496.30 on Apr 8, 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	+8.3%	+1.4%	+6.8%
30 days	+34.6%	-0.2%	+34.8%
90 days	+4.6%	+2.3%	+2.4%

Past results only. Not a forecast.

Source receipt

Record ID: 0001137789-26-000106
Filed / recorded: May 21, 2026, 8:52 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: May 20, 2026
Transaction code: S
Shares / units: 4,206
Price per share: $751.745
Acquired / disposed: Disposed (D)
Shares owned after: 351,385
Ownership form: Direct
Amendment: No

Footnotes from the filing

These Ordinary Shares were sold in multiple trades at prices ranging from $751.19 to $752.17. 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

4mo ago

942Shares

Derivative exercise or conversion — not an open-market buy.

Why it stands out Official record

Officer sold4mo ago

~$410KReported value · 466 sh @ $880.19

Seagate Technology's & CTO sold $410K of Seagate Technology shares. Nobody planned it ahead of time.

Why it stands out Official record

Officer sold ~$790K of Seagate Technology

Scheduled in advance4mo ago