Ribbon Communications Inc. — Director's Dealing 2020

Jun 17, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ribbon Communications Inc. (RBBN)
CIK: 0001708055
Period of Report: 2020-06-15

Reporting Person: Bruny Steven M (EVP, Sales - Americas Region)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-06-15	Common Stock	M	6666	—	Acquired	113801	Direct
2020-06-15	Common Stock	S	1947	$3.88	Disposed	111854	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-06-15	Restricted Stock Units (RSUs)	$	M	6666	Disposed		Common Stock (6666)	Direct

Footnotes

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

F2: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 instruction letter previously adopted by the Reporting Person and represent shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units.

F3: 40,000 RSUs were granted to the Reporting Person on June 15, 2018 and vest over a three-year period. One-third of the RSUs vested on June 15, 2019, one-sixth vested on December 16, 2019, one-sixth vested on June 15, 2020 and the remainder of the RSUs will vest in two equal, semi-annual installments thereafter through June 15, 2021.