Eric S. Marmurek - Apr 17, 2025 Form 4 Insider Report for Ribbon Communications Inc. (RBBN)

Role
SVP, CAO & Deputy CFO
Signature
Patrick Macken, By POA from Rick Marmurek, SVP, CAO & Deputy CFO
Stock symbol
RBBN
Transactions as of
Apr 17, 2025
Transactions value $
-$51,081
Form type
4
Date filed
4/22/2025, 06:48 PM
Previous filing
Mar 18, 2025
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RBBN Common Stock Options Exercise +23.2K +6.83% 363K Apr 17, 2025 Direct F1
transaction RBBN Common Stock Tax liability -$32.3K -9.14K -2.52% $3.53 354K Apr 17, 2025 Direct F2
transaction RBBN Common Stock Options Exercise +13.4K +3.77% 368K Apr 18, 2025 Direct F1
transaction RBBN Common Stock Tax liability -$18.8K -5.25K -1.43% $3.58 362K Apr 18, 2025 Direct F2

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

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction RBBN Restricted Stock Units (RSUs) Options Exercise $0 -23.2K -100% $0.00 0 Apr 17, 2025 Common Stock 23.2K Direct F1, F3
transaction RBBN RSUs Options Exercise $0 -13.4K -100% $0.00 0 Apr 18, 2025 Common Stock 13.4K Direct F1, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each Restricted Stock Unit (RSU) converts 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.
F3 The RSUs were originally granted on April 17, 2023 and vested as to one-half on April 17, 2024; the remaining half of the RSUs vested in two equal installments thereafter on October 17, 2024 and April 17, 2025.
F4 The RSUs were granted on April 18, 2022 and vested as to one-third on April 18, 2023; the remaining two-thirds of the RSUs vested in four equal semi-annual installments thereafter through April 18, 2025.