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  4. [144] Seagate Technology Holdings plc SEC Filing

STX (STX) insider James C. Lee plans 694-share stock sale under Form 144

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
144

Rhea-AI Filing Summary

James C. Lee filed a Form 144 indicating an intention to sell up to 694 shares of common stock of STX through Morgan Stanley Smith Barney LLC’s Executive Financial Services. The planned sale has an aggregate market value of $530,514.42, with 224,228,992 shares outstanding as of July 30, 2026.

During the prior three months, Lee sold 542 shares on July 23, 2026 for $490,514.72 and 697 shares on May 4, 2026 for $516,595.49, with the filing noting these as 10b5-1 sales.

Positive

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Negative

  • None.
Shares planned for sale 694 shares Maximum common shares to be sold under current Form 144
Planned sale value $530,514.42 Aggregate market value of 694 shares to be sold
Shares outstanding 224,228,992 shares Common shares outstanding as of July 30, 2026
Recent sale 1 542 shares; $490,514.72 Common shares sold on July 23, 2026
Recent sale 2 697 shares; $516,595.49 Common shares sold on May 4, 2026 as 10b5-1 sale
Form 144 regulatory
"James C. Lee filed a Form 144 indicating an intention to sell"
Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.
10b5-1 regulatory
"10b5-1 Sales for JAMES C LEE 121 Woodlands Avenue 5"
A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.
Restricted Stock Units financial
"Common | 07/22/2026 | Restricted Stock Units | Issuer"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
aggregate market value financial
"The planned sale has an aggregate market value of $530,514.42"
Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What does the Form 144 filing for STX by James C. Lee disclose?
The Form 144 shows James C. Lee intends to sell up to 694 STX common shares worth $530,514.42. It also lists prior three-month sales and confirms activity under a Rule 10b5-1 trading plan.

How many STX shares does James C. Lee plan to sell under this Form 144?
James C. Lee plans to sell up to 694 shares of STX common stock. The filing values this planned sale at an aggregate market value of $530,514.42, facilitated through Morgan Stanley Smith Barney LLC Executive Financial Services.

What recent STX stock sales by James C. Lee are reported in the Form 144?
The filing lists two recent sales: 542 shares on July 23, 2026 for $490,514.72 and 697 shares on May 4, 2026 for $516,595.49. Both are described as 10b5-1 sales.

What is the outstanding share count of STX referenced in the Form 144?
The Form 144 references 224,228,992 STX common shares outstanding as of July 30, 2026. This figure provides context but is separate from the 694 shares Lee plans to sell under the notice.

Is the STX Form 144 sale by James C. Lee under a 10b5-1 trading plan?
The filing states that the past transactions were 10b5-1 sales by James C. Lee. This indicates those trades followed a pre-arranged Rule 10b5-1 trading plan, which can structure sales independently of day-to-day market decisions.

144: Filer Information

144: Issuer Information

144: Securities Information



Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold


* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.



Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

144: Remarks and Signature

Source: View Original Filing on SEC EDGAR