Ribbon Communications Inc. — Director's Dealing 2021

Sep 17, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ribbon Communications Inc. (RBBN)
CIK: 0001708055
Period of Report: 2021-09-16

Reporting Person: Scarfo Anthony (EVP & GM, Cloud & Edge BU)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-09-16	Common Stock	M	27006	—	Acquired	159400	Direct
2021-09-16	Common Stock	F	10975	$6.28	Disposed	148425	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-09-16	Restricted Stock Units (RSU)	$	M	27006	Disposed		Common Stock (27006)	Direct

Footnotes

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

F2: Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the RSUs.

F3: The RSUs vested as to one-third on March 16, 2021, and the remaining two-thirds of the RSUs vest in four equal semi-annual installments thereafter through March 16, 2023.