Dan Redington - 15 May 2024 Form 4 Insider Report for Ribbon Communications Inc. (RBBN)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	* Price $	Shares After	Date	Underlying Class	Amount	Ownership	Footnotes
transaction	RBBN	Restricted Stock Units (RSUs)	Award	$0	+42,194	$0.000000	42,194	15 May 2024	Common Stock	42,194	Direct	F1, F2
transaction	RBBN	Performance-Based RSUs (PSUs)	Award	$0	+58,228	$0.000000	58,228	15 May 2024	Common Stock	58,228	Direct	F3
transaction	RBBN	PSUs	Award	$0	+38,818	$0.000000	38,818	15 May 2024	Common Stock	38,818	Direct	F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	The RSUs convert to common stock on a one-for-one basis.
F2	The RSUs vest in full on May 16, 2025.
F3	Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on goals (set by the Compensation Committee on an annual basis) for each of the two fiscal years prior to the vesting date. The aggregate number of shares issued may range from zero shares to 150% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 05/15/2026.
F4	Each PSU represents a contingent right to receive one share of the Issuer's Common Stock, based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of a peer index of companies (set by the Compensation Committee at the time of grant) over the three fiscal years ending prior to the vesting date. The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 05/15/2027.