Seagate (NASDAQ: STX) officer plans 6,048-share stock sale

Rhea-AI Filing Summary

Seagate Technology Holdings plc (STX) reported that officer Ban Seng Teh filed a notice to sell 6,048 shares of common stock in connection with a stock option exercise, with planned transactions on or after 08/20/2026. The notice also lists prior sales over the past three months, including 7,361 shares on 08/13/2026, 989 shares on 06/12/2026, and 663 shares on 06/10/2026.

Key Figures

Planned shares to be sold: 6,048 shares Shares sold 08/13/2026: 7,361 shares Shares sold 06/12/2026: 989 shares +1 more

4 metrics

Planned shares to be sold 6,048 shares Common stock associated with a stock option exercise, sale on or after 08/20/2026

Shares sold 08/13/2026 7,361 shares Common stock sold by Ban Seng Teh during the past three months

Shares sold 06/12/2026 989 shares Common stock sold by Ban Seng Teh during the past three months

Shares sold 06/10/2026 663 shares Common stock sold by Ban Seng Teh during the past three months

Key Terms

Rule 144, Stock Option Exercise, Executive Financial Services

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Stock Option Exercise financial

"Common | 08/20/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

FAQ

What does the Form 144 filing for STX disclose about Ban Seng Teh?

The filing states that officer Ban Seng Teh intends to sell 6,048 shares of Seagate Technology Holdings plc common stock in connection with a stock option exercise, with planned transactions on or after 08/20/2026.

How many STX shares are planned to be sold under this Form 144?

The notice covers a planned sale of 6,048 shares of Seagate Technology Holdings plc common stock. These shares are associated with a stock option exercise and are listed for potential sale beginning on or after 08/20/2026.

What prior STX share sales by Ban Seng Teh are disclosed in the last three months?

The filing lists three prior sales of Seagate common stock: 7,361 shares on 08/13/2026, 989 shares on 06/12/2026, and 663 shares on 06/10/2026.

Which broker is involved in the planned STX share sale under Form 144?

The securities information section identifies Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, as the broker associated with the Seagate common stock covered by this Form 144 notice.

On which market are the STX shares in this Form 144 listed?

The securities information section states that the Seagate Technology Holdings plc common stock referenced in the notice is listed on NASDAQ.

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

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Available on EDGAR 08/20/2026 - 04:04 PM Accepted by SEC EDGAR 08/20/2026 - 04:03 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	0001801425
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	(65) 6018-2562
Name of Person for Whose Account the Securities are To Be Sold	BAN SENG TEH
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	6048	5098254.74	226644518	08/20/2026	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	08/20/2026	Stock Option Exercise	Issuer			6048	08/20/2026	Cash

* 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
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	08/13/2026	7361	6778028.17
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/12/2026	989	870507.91
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/10/2026	663	544893.18

144: Remarks and Signature

Remarks
Date of Notice	08/20/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	02/11/2026
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/ Banseng Teh
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)