Patrick Macken - Jun 19, 2021 Form 4 Insider Report for Ribbon Communications Inc. (RBBN)

Role: EVP, Chief Legal Officer
Signature: Patrick Macken
Stock symbol: RBBN
Transactions as of: Jun 19, 2021
Transactions value $: -$164,095
Form type: 4
Date filed: 6/21/2021, 04:57 PM
Next filing: Dec 21, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RBBN	Common Stock	Options Exercise		+50K			50K	Jun 19, 2021	Direct	F1
transaction	RBBN	Common Stock	Tax liability	-$164K	-22.2K	-44.35%	$7.40	27.8K	Jun 19, 2021	Direct

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)	Options Exercise	$0	+50K		$0.00	50K	Jun 19, 2021	Common Stock	100K		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	RSUs convert into common stock on a one-for-one basis.
F2	The RSUs vested as to one-third on June 19, 2021, and the remaining two-thirds of the RSUs vested in four equal semi-annual installments thereafter through June 19, 2023.