KRISH A. PRABHU - 15 Jun 2021 Form 4 Insider Report for Ribbon Communications Inc. (RBBN)

Role: Director
Signature: Patrick Macken, Attorney-in-Fact
Issuer symbol: RBBN
Transactions as of: 15 Jun 2021
Net transactions value: $0
Form type: 4
Filing time: 17 Jun 2021, 16:21:30 UTC
Next filing: 23 Jun 2021
SEC: View on sec.gov

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RBBN	Restricted Stock Units (RSU)	Award	$0	+14,797		$0.000000	14,797	15 Jun 2021	Common Stock	14,797		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each RSU represents a contingent right to receive one share of Ribbon Communications, Inc. common stock.
F2	The RSU will vest on June 15, 2022 subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if Issuer's 2022 Annual Meeting of Stockholders (the "2022 Annual Meeting") occurs prior to June 15, 2022, and, at such 2022 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 2022 Annual Meeting.

Content

Each RSU represents a contingent right to receive one share of Ribbon Communications, Inc. common stock.

The RSU will vest on June 15, 2022 subject to the Reporting Person's continued service with the Issuer through such date; provided, however, that if Issuer's 2022 Annual Meeting of Stockholders (the "2022 Annual Meeting") occurs prior to June 15, 2022, and, at such 2022 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 2022 Annual Meeting.