Ribbon Communications Inc. — Director's Dealing 2019

Dec 18, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ribbon Communications Inc. (RBBN)
CIK: 0001708055
Period of Report: 2019-12-16

Reporting Person: McCready John R (EVP and Chief Strategy Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-11-29	Common Stock	A	500	$2.4905	Acquired	90849	Direct
2019-12-16	Common Stock	M	4167	—	Acquired	95016	Direct
2019-12-16	Common Stock	S	1239	$2.80	Disposed	93777	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-12-16	Restricted Stock Units	$	M	4167	Disposed		Common Stock (4167)	Direct

Footnotes

F1: These shares were acquired under the Ribbon Communications Inc. Amended and Restated 2000 Employee Stock Purchase Plan in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F2: Restricted stock units convert into common stock on a one-for-one basis.

F3: 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.

F4: 25,000 restricted stock units were granted to the Reporting Person on June 15, 2018, vesting over a three-year period. One-third of those restricted stock units vested on June 17, 2019, one-sixth vested on December 16, 2019 and the remainder of the restricted stock units will vest in three equal, semi-annual installments thereafter through June 15, 2021.