Ribbon Communications Inc. - Director's Dealing 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ribbon Communications Inc. (RBBN)
CIK: 0001708055
Period of Report: 2021-03-16

Reporting Person: McClelland Bruce William (Director, President & CEO)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-16	Common Stock	M	462963	—	Acquired	1335759	Direct
2021-03-16	Common Stock	F	208796	$8.65	Disposed	1126963	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-03-16	Restrcited Stock Units (RSUs)	$	M	462963	Disposed		Common Stock (462963)	Direct

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 RSUs.

F3: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F4: On March 16, 2020, the Reporoting Person was awarded 462,963 RSUs which vested in full on March 16, 2021.