Ribbon Communications Inc. — Director's Dealing 2021

Dec 21, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ribbon Communications Inc. (RBBN)
CIK: 0001708055
Period of Report: 2021-12-19

Reporting Person: Macken Patrick W (EVP, Chief Legal Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-12-19	Common Stock	M	25000	—	Acquired	52826	Direct
2021-12-19	Common Stock	F	10732	$6.27	Disposed	42094	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-12-19	Restricted Stock Units (RSU)	$	M	25000	Disposed		Common Stock (25000)	Direct

Footnotes

F1: RSUs convert into common stock on a one-for-one basis.

F2: The RSUs vested as to one-third on June 19, 2020 and the remaining two-thirds of the RSUs vested in four equal semi-annual installments thereafter through June 19, 2023.

F3: Reflects share of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.