Marmurek Eric S bought RBBN
April 17, 2026 · Form 4 insider transaction
Marmurek Eric S bought 48,328 shares of Ribbon Communications Inc., a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 32 days after the transaction.
Direction
Acquired (buy-side)
Shares
48,328
Price
N/A
Total value
N/A
InsiderMarmurek Eric S
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateApril 17, 2026
Filing dateMay 19, 2026
Shares owned after498,135
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Each Restricted Share Unit (RSU) and Performance Share Unit (PSU) converts into common stock on a one-for-one basis.