RBBN Form 3: EVP Stephen J. McCaffery owns 87,200 shares

Rhea-AI Filing Summary

Ribbon Communications (RBBN) filed a Form 3 disclosing initial beneficial ownership by EVP, Global Sales Stephen J. McCaffery. He directly holds 87,200 shares of common stock, with the filing made by one reporting person. The event date is 10/20/2025.

The filing indicates direct ownership and lists no derivative securities in Table II. This is an administrative ownership disclosure that does not involve a transaction.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

McCaffery Stephen J.

(Last) (First) (Middle)

C/O RIBBON COMMUNICATIONS

6500 CHASE OAKS BLVD.

(Street)

PLANO TX 75023

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/20/2025

3. Issuer Name and Ticker or Trading Symbol
Ribbon Communications Inc. [ RBBN ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Global Sales

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	87,200	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	Stephen J. McCaffery	10/27/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Ribbon Communications (RBBN) report on this Form 3?

An initial beneficial ownership statement for EVP, Global Sales Stephen J. McCaffery.

How many Ribbon (RBBN) shares does the reporting person own?

He beneficially owns 87,200 shares of common stock.

Is the ownership direct or indirect?

The ownership is reported as Direct (D).

What is the date of the event requiring the statement?

The event date is 10/20/2025.

Does the Form 3 list any derivative securities?

Table II lists no derivative securities for the reporting person.

Who is the reporting person and their role at Ribbon?

The reporting person is Stephen J. McCaffery, EVP, Global Sales.