Seagate officer plans $770K stock sale

Officer Ban Seng Teh has filed a Rule 144 notice to sell 989 restricted shares of Seagate common stock, with prior sales also reported over the past three months.

Rhea-AI Filing Summary

Seagate Technology Holdings plc (STX) has an affiliate filing indicating that officer Ban Seng Teh plans a potential sale under Rule 144 of 989 shares of Seagate common stock, identified as restricted stock, with Morgan Stanley Smith Barney LLC Executive Financial Services listed as the broker and NASDAQ as the trading market.

The notice also reports Seagate common stock sales for Ban Seng Teh in the prior three months, including 663 shares on September 10, 2026, 9,862 shares on August 21, 2026, 6,048 shares on August 20, 2026, and 7,361 shares on August 13, 2026, with stated aggregate dollar amounts for each sale.

Key Figures

Shares to be sold under Rule 144: 989 shares Approximate aggregate market value of shares to be sold: $770,431.00 CUSIP/identifier field: 226644518 +4 more

7 metrics

Shares to be sold under Rule 144 989 shares Planned sale of Seagate common stock reported for September 11, 2026

Approximate aggregate market value of shares to be sold $770,431.00 Value associated with 989 Seagate common shares as of September 14, 2026

CUSIP/identifier field 226644518 Identifier listed for Seagate common stock in connection with the sale

Shares sold on September 10, 2026 663 shares Past three months sales of Seagate common stock by Ban Seng Teh

Aggregate amount for September 10, 2026 sale $570,239.67 Reported total for 663 shares of Seagate common stock sold

Shares sold on August 21, 2026 9,862 shares Reported prior sale of Seagate common stock by Ban Seng Teh

Aggregate amount for August 21, 2026 sale $8,411,971.40 Reported total for 9,862 shares of Seagate common stock sold

Key Terms

Rule 144, restricted stock, aggregate

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.

restricted stock financial

"Common | 09/11/2026 | Restricted Stock | ISSUER"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

aggregate financial

"663 | 570239.67"

A combined total or summary created by adding together multiple parts or data points. Used as a noun and a verb, it means pooling individual items (sales, revenues, assets, transactions, or data) into one overall figure so stakeholders can see the big picture; like pouring many small jars into a single container to measure the total amount. Aggregate figures matter to investors because they show the overall size, trend, or exposure of a business or market rather than the detail of each component.

FAQ

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

What does the Form 144 filing disclose for Seagate Technology Holdings plc (STX)?

It discloses that officer Ban Seng Teh has filed a Rule 144 notice for the potential sale of 989 shares of Seagate common stock, described as restricted stock, with NASDAQ as the market and Morgan Stanley Smith Barney LLC as broker.

How many Seagate (STX) shares are covered by the new Rule 144 notice?

The notice covers a potential sale of 989 shares of Seagate common stock, identified as restricted stock, with a stated approximate aggregate market value of $770,431.00 as of September 14, 2026.

Which broker is listed for the Seagate (STX) Form 144 sale by Ban Seng Teh?

The broker listed is Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York, with NASDAQ identified as the market for the Seagate common stock.

What prior Seagate (STX) share sales by Ban Seng Teh are reported in the last three months?

Reported prior sales include 663 shares on September 10, 2026 for $570,239.67, 9,862 shares on August 21, 2026 for $8,411,971.40, 6,048 shares on August 20, 2026 for $5,098,254.74, and 7,361 shares on August 13, 2026 for $6,778,028.17.

What type of Seagate (STX) security is being sold under this Form 144?

The security is Seagate common stock, categorized as restricted stock for this planned sale of 989 shares, with the issuer listed as Seagate Technology Holdings public limited company.

On what date is the new Seagate (STX) Form 144 sale indicated?

The Form 144 indicates an intended sale date of September 11, 2026 for the 989 restricted shares of Seagate common stock, with related market value information as of September 14, 2026.

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

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Available on EDGAR 09/14/2026 - 04:48 PM Accepted by SEC EDGAR 09/14/2026 - 04:38 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	989	770431.00	226644518	09/14/2026	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	09/11/2026	Restricted Stock	ISSUER			989	09/11/2026	Not Applicable

* 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	09/10/2026	663	570239.67
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	08/21/2026	9862	8411971.40
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	08/20/2026	6048	5098254.74
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	08/13/2026	7361	6778028.17

144: Remarks and Signature

Remarks
Date of Notice	09/14/2026
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)