SEC FORM 4

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

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

1. Name and Address of Reporting Person^*

Riley Kevin W.

(Last)

(First)

(Middle)

C/O RIBBON COMMUNICATIONS INC.

4 TECHNOLOGY PARK DRIVE

(Street)

WESTFORD

01886

(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)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	CTO & EVP Growth R&D

3. Date of Earliest Transaction (Month/Day/Year)
04/02/2018

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	04/02/2018		M		13,542⁽¹⁾	A	$0	202,538	D
Common Stock	04/02/2018		M		8,125⁽³⁾	A	$0	210,663	D
Common Stock	04/02/2018		F		27,688⁽⁵⁾	D	$5.1	182,975	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Performance-Based Restricted Stock Units (PSUs)	$0	04/02/2018		M		13,542⁽¹⁾		⁽²⁾	⁽²⁾	Common Stock	13,542⁽¹⁾	$0	5,208	D
Performance-Based Restricted Stock Units (PSUs)	$0	04/02/2018		M		8,125⁽³⁾		⁽⁴⁾	⁽⁴⁾	Common Stock	8,125⁽³⁾	$0	0	D

Explanation of Responses:

1. Represents the vesting (at 130% of target) of Performance-Based Restricted Stock Units (PSUs) granted on March 31, 2017 for the 2017 performance period. As a result of the achievement of 130%, which was above target, the Company increased the number of shares granted to the individual by 3,125 shares, or the above-target amount, to account for such achievement.Performance for this award during the award's 2017 performance period was measured based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of the NASDAQ Telecommunications Index, that were set by the Compensation Committee of the Issuer's Board of Directors.

2. The remaining PSUs will vest on March 31, 2019 and accordingly have no expiration date.

3. Represents the vesting (at 130% of target) of Performance-Based Restricted Stock Units (PSUs) granted April 1, 2016 for the 2017 performance period. As a result of the achievement of 130%, which was above target, the Company increased the number of shares granted to the individual by 1,875 shares, or the above-target amount, to account for such achievement.Performance for this award during the award's 2017 performance period was measured based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of the NASDAQ Telecommunications Index, that were set by the Compensation Committee of the Issuer's Board of Directors.

4. The PSUs have fully vested and accordingly have no expiration date

5. PAYMENT OF TAX LIABILITY BY DELIVERING SECURITIES TO THE COMPANY INCIDENT TO THE VESTING OF A SECURITY.

Remarks:

	Kevin W. Riley	04/04/2018
	** 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 4 (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).
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