[Form 4] Ribbon Communications Inc. Insider Trading Activity

Rhea-AI Filing Summary

Ribbon Communications (RBBN) reported an insider equity award. A director acquired 7,236 shares of common stock on 10/15/2025, issued in lieu of cash board fees. The director also received 185,210 restricted stock units, each for one share, that vest on October 15, 2026 or, if the 2026 Annual Meeting occurs earlier and the director does not stand or is not re‑elected, on the meeting date. After these transactions, the director beneficially owned 160,947 common shares, held directly.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider SHANI SHAUL

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units (RSUs)	185,210	$0.00	--
Grant/Award	Common Stock	7,236	$0.00	--

Holdings After Transaction: Restricted Stock Units (RSUs) — 185,210 shares (Direct); Common Stock — 160,947 shares (Direct)

Footnotes (1)

1. Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors. Price determined in accordance with Registrant's Non-Employee Director Compensation Policy. Eash RSU represents a contingent right to receive one share of the Registrant's common stock. The RSUs will vest on October 15, 2026, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2026 Annual Meeting of Stockholders (the "2026 Annual Meeting") occurs prior to October 15, 2026, and, at such 2026 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2026 Annual Meeting.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

SHANI SHAUL

(Last) (First) (Middle)

C/O RIBBON COMMUNICATIONS

6500 CHASE OAKS BLVD.

(Street)

PLANO TX 75023

(City) (State) (Zip)

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

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/15/2025

4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/15/2025		A(1)		7,236	A	(2)	160,947	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units (RSUs)	(3)	10/15/2025		A		185,210		(4)	(4)	Common Stock	185,210	$0	185,210	D

Explanation of Responses:

1. Represents shares issued in lieu of receipt of cash fees for service on the Registrant's Board of Directors.

2. Price determined in accordance with Registrant's Non-Employee Director Compensation Policy.

3. Eash RSU represents a contingent right to receive one share of the Registrant's common stock.

4. The RSUs will vest on October 15, 2026, subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if the Issuer's 2026 Annual Meeting of Stockholders (the "2026 Annual Meeting") occurs prior to October 15, 2026, and, at such 2026 Annual Meeting, the Reporting Person either chooses not to stand for re-election to the Issuer's Board of Directors or, after standing for re-election, is not re-elected, then these RSUs will vest as of the date of the 2026 Annual Meeting.

	Patrick Macken, BY POA from Shaul Shani	10/17/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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