InsiderTrades

Form 4 for RBBN Ribbon Communications Inc.

Accepted 2025-06-17 00:00:00 ET · period of report 2025-06-15 · accession 0001062993-25-011842 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2025-06-17 2025-06-15 RBBN Redington Dan EVP, Gbl Sales F - Tax $3.74 -8,197 189.6K -4% -$30.7K
D 2025-06-17 2025-06-15 RBBN Redington Dan EVP, Gbl Sales M - OptEx $0.00 +20.8K 197.8K +12% $0
D 2025-06-17 2025-06-15 RBBN Redington Dan EVP, Gbl Sales M - OptEx $0.00 -20.8K 20.8K -50% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-06-15 F D 8,197 $3.74 189,610 D — — (F2) Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the RSUs.
2 Common Common Stock 2025-06-15 M A 20,833 $0.00 197,807 D — — (F1) The RSUs convert to common stock on a one-for-one basis.
3 Derivative Restricted Stock Units (RSUs) 2025-06-15 M D 20,833 $0.00 20,833 D — · — to — 20,833 Common Stock (F1) The RSUs convert to common stock on a one-for-one basis. (F3) The RSUs vested as to one-third on the first anniversary of the date of grant, and the remaining two-thirds vest in four equal semi-annual installments thereafter through December 15, 2025.