Sam Bucci - 17 Apr 2025 Form 4 Insider Report for Ribbon Communications Inc. (RBBN)

Role
EVP & COO
Signature
Patrick Macken, By POA for Sam Bucci, EVP & COO
Issuer symbol
RBBN
Transactions as of
17 Apr 2025
Net transactions value
-$99,961
Form type
4
Filing time
22 Apr 2025, 18:48:03 UTC
Previous filing
18 Mar 2025
Next filing
19 May 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RBBN Common Stock Options Exercise +25,815 +6.7% 413,710 17 Apr 2025 Direct F1
transaction RBBN Common Stock Tax liability $48,778 -13,818 -3.3% $3.53 399,892 17 Apr 2025 Direct F2
transaction RBBN Common Stock Options Exercise +26,709 +6.7% 426,601 18 Apr 2025 Direct F1
transaction RBBN Common Stock Tax liability $51,183 -14,297 -3.4% $3.58 412,304 18 Apr 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 -25,815 -33% $0.000000 51,631 17 Apr 2025 Common Stock 25,815 Direct F1, F3
transaction RBBN RSUs Options Exercise $0 -26,709 -100% $0.000000 0 18 Apr 2025 Common Stock 26,709 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 granted on April 17, 2023 and originally vested as to one-third on April 17, 2024; the remaining two-thirds of the RSUs will vest in four equal semi-annual installments thereafter through April 17, 2026.
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 will vested in four equal semi-annual installments thereafter through April 18, 2025.