Seagate (STX) Form 144 Filed; Multiple Insider Sales Disclosed

Rhea-AI Filing Summary

Seagate Technology Holdings PLC (STX) submitted a Form 144 reporting a proposed sale of 1,724 common shares through Morgan Stanley Smith Barney on 08/11/2025, with an aggregate market value of $261,375.64. The filing lists total shares outstanding as 212,677,178.

The shares to be sold were acquired on 08/11/2025 by a stock option exercise from the issuer and paid in cash. The notice also discloses multiple prior sales by the same person, BAN SENG TEH, during May–August 2025, including a sale of 59,463 shares on 06/04/2025 for $7,432,875.00.

Positive

• Disclosure compliance: Form 144 filed, providing transparent reporting of proposed sale and prior insider transactions
• Acquisition method disclosed: Shares to be sold were acquired via stock option exercise and paid in cash, per the filing

Negative

• Substantial insider sales in prior three months: includes a sale of 59,463 shares on 06/04/2025 for $7,432,875.00
• Multiple recent disposals: numerous sales by the same person between 05/27/2025 and 08/01/2025, which may attract investor scrutiny

Insights

Securities Analyst

TL;DR: Routine insider disclosure; notable prior sales disclosed but no new company operational information is included.

The Form 144 documents a proposed sale of 1,724 common shares by an individual associated with Seagate (STX) and confirms those shares were acquired via stock option exercise and paid in cash on the same date as the proposed sale. The filing also catalogs multiple sales by the same person in the prior three months, including a materially large transaction of 59,463 shares for $7,432,875.00 on 06/04/2025. From a securities compliance perspective this is a standard insider reporting event that increases transparency around insider trading activity; it does not disclose any new financial results, guidance, or corporate events that would change valuation models.

Corporate Governance Expert

TL;DR: Disclosure meets Rule 144 requirements; concentrated recent insider selling is notable for governance review.

The filing demonstrates formal compliance with Rule 144 by reporting the proposed sale, the acquisition method (stock option exercise), and a detailed list of recent sales by the same person. The record of multiple sales across May–August 2025, with aggregate large proceeds (for example, $7,432,875.00 on 06/04/2025), may prompt governance and investor attention to insider liquidity and shareholding trends. The Form 144 itself does not include any representation of undisclosed material information beyond the required attestation.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	1724	261375.64	212677178	08/11/2025	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	08/11/2025	Stock Option Exercise	Issuer			1724	08/11/2025	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	08/01/2025	5905	915275.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	07/11/2025	1725	248400.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/16/2025	599	77870.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/11/2025	1723	222353.15
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/09/2025	599	77870.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/09/2025	599	77870.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/09/2025	599	77870.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/09/2025	599	77870.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/09/2025	599	77870.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/09/2025	599	77870.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/04/2025	3955	494422.46
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/04/2025	59463	7432875.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/03/2025	4386	526320.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	06/03/2025	6923	830760.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	05/27/2025	345	39675.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	05/27/2025	28	3220.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	05/27/2025	314	36110.00
BAN SENG TEH 121 Woodlands Avenue 5 Singapore U0 739009	Common	05/27/2025	3514	404110.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the STX Form 144 report?

The filing reports a proposed sale of 1,724 common shares through Morgan Stanley Smith Barney on 08/11/2025 with an aggregate market value of $261,375.64.

Who is the seller named in the filing for STX?

The filing lists BAN SENG TEH as the person associated with multiple sales reported in the document.

How were the shares to be sold acquired according to the Form 144?

The 1,724 shares were acquired on 08/11/2025 by stock option exercise from the issuer and paid for in cash.

What recent insider sales are disclosed in the STX filing?

The filing lists multiple sales from 05/27/2025 to 08/01/2025, including 59,463 shares on 06/04/2025 for $7,432,875.00 and other transactions with specified gross proceeds.

How many shares outstanding does the Form 144 show for STX?

The notice reports 212,677,178 shares outstanding.