RBBN Form 144 Filed for 8,692 Common Shares via Morgan Stanley

Rhea-AI Filing Summary

Ribbon Communications Inc. (RBBN) filed a Form 144 notice to sell 8,692 shares of common stock through Morgan Stanley Smith Barney LLC on or about 09/05/2025. The filing lists an aggregate market value of $34,605.46 and shows 177,081,847 shares outstanding, meaning the proposed sale represents a de minimis portion of outstanding stock. All reported shares were acquired as restricted stock between 2011 and 2014 from the issuer. The filer states there were no sales in the past three months and affirms no undisclosed material adverse information. The notice supplies broker details and acquisition dates but includes no additional financial results or transaction conditions.

Positive

• Disclosure compliance: Form 144 properly identifies broker, share count, aggregate value, and acquisition details
• Immaterial size: Proposed sale of 8,692 shares represents a negligible portion of outstanding stock (≈0.0049%)
• Acquisitions documented: All reported shares were acquired as restricted stock between 2011 and 2014

Negative

• No trading plan date provided: The filing does not indicate adoption of a Rule 10b5-1 plan or its date
• Limited context: Filing contains no information on why the shares are being sold or any post-sale intentions

Insights

Securities Compliance Analyst

TL;DR: Routine Rule 144 notice; small insider sale disclosed, appears procedurally compliant.

The filing is a standard Form 144 disclosure indicating an intended sale of 8,692 common shares via Morgan Stanley Smith Barney LLC with an aggregate market value of $34,605.46. Acquisition records show these shares were granted as restricted stock between 2011 and 2014 from the issuer. The filer reports no sales in the prior three months and includes the required representation regarding material nonpublic information. From a compliance perspective, the form contains the necessary elements to satisfy Rule 144 notice requirements; it does not disclose any trading plan dates or special conditions.

Financial Analyst

TL;DR: Transaction size is immaterial to company capitalization; no company financial impact disclosed.

At an aggregate value of $34,605.46 against 177,081,847 shares outstanding, the proposed sale represents an immaterial fraction of equity (≈0.0049% of shares outstanding). The shares originated as restricted stock grants from 2011–2014, indicating insider holdings being monetized. The filing provides no earnings, liquidity, or management change information, so there is no direct signal about corporate operating performance. Investor impact is likely negligible based on disclosed size and nature of the sale.

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	8692	34605.46	177081847	09/05/2025	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	02/15/2013	Restricted Stock	Issuer			1563	02/15/2013	Not Applicable
Common	07/01/2014	Restricted Stock	Issuer			285	07/01/2014	Not Applicable
Common	05/23/2012	Restricted Stock	Issuer			1000	05/23/2012	Not Applicable
Common	06/17/2013	Restricted Stock	Issuer			1288	06/17/2013	Not Applicable
Common	06/12/2013	Restricted Stock	Issuer			3556	06/12/2013	Not Applicable
Common	06/02/2011	Restricted Stock	Issuer			1000	06/02/2011	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

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

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

How many shares does Ribbon Communications (RBBN) propose to sell in this Form 144?

The notice reports a proposed sale of 8,692 shares of common stock.

What is the aggregate market value of the proposed sale on the Form 144?

The filing lists an aggregate market value of $34,605.46 for the 8,692 shares.

When is the approximate sale date listed in the Form 144 for RBBN?

The approximate date of sale is listed as 09/05/2025.

Who is the broker named in the Form 144 filing?

The broker is Morgan Stanley Smith Barney LLC, Executive Financial Services, 1 New York Plaza, 8th Floor, New York, NY.

Were the shares being sold acquired as purchases or as restricted stock?

All reported shares were acquired as restricted stock from the issuer between 2011 and 2014.

Has the filer sold any shares of the issuer in the past three months according to this filing?

The filing states Nothing to Report for securities sold during the past three months.

Does the Form 144 indicate any undisclosed material information about Ribbon Communications?

By signing, the filer represents they do not know any material adverse information about the issuer that has not been publicly disclosed.