ATEN Form 144: 5,000 performance shares proposed sale

ATEN notice of proposed sale: a Form 144 lists 5,000 performance shares to be sold on 05/05/2026 through Morgan Stanley Smith Barney LLC.

Accepted by SEC EDGAR 07/02/2026 - 04:09 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

ATEN notice of proposed sale: a Form 144 lists 5,000 performance shares to be sold on 05/05/2026 through Morgan Stanley Smith Barney LLC. The filing also records a prior sale by Sheen Khoury of 7,000 common shares on 06/10/2026 for $220,929.10.

Key Figures

Proposed shares to be sold: 5,000 shares Prior shares sold: 7,000 shares Proceeds from prior sale: $220,929.10 +2 more

5 metrics

Proposed shares to be sold 5,000 shares Performance shares scheduled 05/05/2026

Prior shares sold 7,000 shares Sale by Sheen Khoury on 06/10/2026

Proceeds from prior sale $220,929.10 Proceeds reported for 7,000-share sale on 06/10/2026

Amount shown alongside broker line 5,000 Listed in broker section (Morgan Stanley Smith Barney LLC)

Amount near header 183,700.00 Numeric value present in header lines

Key Terms

Form 144, Performance Shares, Morgan Stanley Smith Barney LLC

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

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.

Performance Shares financial

"Common | 05/05/2026 | Performance Shares"

Performance shares are a type of company stock given to executives or employees that only become theirs if the company meets specific goals, like hitting certain profits or growth targets. They motivate leaders to work toward the company’s success, because their additional shares depend on achieving these results.

Morgan Stanley Smith Barney LLC financial

"Common | Morgan Stanley Smith Barney LLC Executive Financial Services"

FAQ

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

What does ATEN's Form 144 filed mean for shareholders?

It notifies the SEC of a proposed resale of shares by an affiliate. The filing lists 5,000 performance shares scheduled for sale on 05/05/2026, and records a prior sale of 7,000 shares on 06/10/2026 for $220,929.10.

Who is the reporting seller in the ATEN Form 144?

The filing identifies Sheen Khoury as a party associated with the sale. The document shows Khoury sold 7,000 common shares on 06/10/2026 and is linked to the proposed 5,000-share sale.

Which broker is handling the proposed ATEN sale listed in Form 144?

Morgan Stanley Smith Barney LLC is listed as the broker. The broker line in the filing names Morgan Stanley Smith Barney LLC at 1 New York Plaza in connection with the 5,000 performance shares transaction.

What proceeds are shown for recent ATEN insider sales?

The excerpt reports proceeds of $220,929.10 for a past sale. That amount corresponds to 7,000 common shares sold on 06/10/2026, as recorded in the filing.

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

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	0002074992
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	A10 NETWORKS, INC.
SEC File Number	001-36343
Address of Issuer	2300 Orchard Parkway, San Jose CALIFORNIA 95131
Phone	(408) 325-8668
Name of Person for Whose Account the Securities are To Be Sold	SHEEN KHOURY
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	Former 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	5000	183700.00	71998175	07/02/2026	NYSE

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	05/05/2026	Performance Shares	Issuer			5000	05/05/2026	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
SHEEN KHOURY 2300 Orchard Parkway, San Jose CA 95131	Common	06/10/2026	7000	220929.10

144: Remarks and Signature

Remarks
Date of Notice	07/02/2026
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/ Sheen George Khoury
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)