Form 144: John Morris reports STX stock sales

John Morris filed a Form 144 reporting proposed sales of Common Stock of the issuer via Morgan Stanley Smith Barney LLC.

Rhea-AI Filing Summary

John Morris filed a Form 144 reporting proposed sales of Common Stock of the issuer via Morgan Stanley Smith Barney LLC. The filing lists planned dispositions tied to grants dated 07/31/2024, 10/21/2024, and 12/09/2024, and records recent 10b5-1 sales of 240 shares on 02/24/2026 and 112 shares on 03/13/2026.

Insights

Securities Compliance Analyst

Form 144 documents planned sales and recent 10b5-1 dispositions by an affiliate.

The filing lists proposed common stock dispositions tied to equity awards dated 07/31/2024 (430 shares), 10/21/2024 (3,799 shares), and 12/09/2024 (2,463 shares). It also records executed 10b5-1 sales of 240 and 112 shares on the dates shown.

Cashflow treatment and whether the listed awarded shares are being sold now or merely referenced are not specified in the excerpt; subsequent filings would state completed dispositions or broker-handling details.

Key Figures

10b5-1 sale: 240 shares 10b5-1 sale: 112 shares Employee Stock Purchase Plan shares: 430 shares +2 more

5 metrics

10b5-1 sale 240 shares sold on 02/24/2026

10b5-1 sale 112 shares sold on 03/13/2026

Employee Stock Purchase Plan shares 430 shares award date 07/31/2024

Performance Stock Units 3,799 shares award date 10/21/2024

Restricted Stock Units 2,463 shares award date 12/09/2024

Key Terms

Form 144, 10b5-1, Restricted Stock Units, Performance Stock Units

4 terms

Form 144 regulatory

"filed a Form 144 reporting proposed sales of Common Stock"

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 JOHN MORRIS 121 Woodlands Avenue"

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

"Restricted Stock Units | Issuer | 2463 | 12/09/2024"

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.

Performance Stock Units financial

"Performance Stock Units | Issuer | 3799 | 10/21/2024"

Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does John Morris's Form 144 for STX disclose?

The filing discloses planned common stock dispositions and prior sales. It lists award dates with 430, 3,799, and 2,463 shares and executed 10b5-1 sales of 240 and 112 shares on the dates shown.

How many shares did John Morris sell under 10b5-1 recently?

Two 10b5-1 sales are recorded: 240 shares on 02/24/2026 and 112 shares on 03/13/2026, with dollar amounts shown in the excerpt for each trade.

Which equity award types are listed on the Form 144?

The filing lists three award types: an Employee Stock Purchase Plan (07/31/2024), Performance Stock Units (10/21/2024), and Restricted Stock Units (12/09/2024), with share counts shown for each.

Does the Form 144 show who will receive sale proceeds?

The excerpt does not state proceeds recipients. It names Morgan Stanley Smith Barney LLC as the broker and shows trade amounts, but it does not specify who receives the sale proceeds in this excerpt.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 05/04/2026 - 04:34 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001988271
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SEAGATE TECHNOLOGY HOLDINGS PUBLIC LIMITED COMPANY
SEC File Number	001-31560
Address of Issuer	121 Woodlands Avenue 5 Singapore SINGAPORE 739009
Phone	6560182562
Name of Person for Whose Account the Securities are To Be Sold	JOHN MORRIS
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	6692	4864615.56	224228992	05/04/2026	NASDAQ

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

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	07/31/2024	Employee Stock Purchase Plan	Issuer			430	07/31/2024	N/A
Common	10/21/2024	Performance Stock Units	Issuer			3799	10/21/2024	N/A
Common	12/09/2024	Restricted Stock Units	Issuer			2463	12/09/2024	N/A

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for JOHN MORRIS 121 Woodlands Avenue 5 Singapore U0 739009	Common	03/13/2026	112	42273.28
10b5-1 Sales for JOHN MORRIS 121 Woodlands Avenue 5 Singapore U0 739009	Common	02/24/2026	240	98400.00

144: Remarks and Signature

Remarks	The securities to be sold were acquired upon the vesting of performance stock units during the period of 10/21/2024 through 02/20/2025. The securities to be sold were acquired upon the vesting of restricted stock units during the period of 12/09/2024 through 06/11/2025. The securities to be sold were acquired upon the purchase of ESPP units during the period of 07/31/2024 through 07/31/2025.
Date of Notice	05/04/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	01/29/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ John Morris
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)