Marmurek Eric S sold RBBN
October 15, 2026 · Form 4 insider transaction
Marmurek Eric S sold 14,756 shares of Ribbon Communications Inc. at $1.46 per share, a transaction worth $21.5K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Disposed (sell-side)
Shares
14,756
Price
$1.46
Total value
$21.5K
InsiderMarmurek Eric S
Role—
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateOctober 15, 2026
Filing dateOctober 19, 2026
Shares owned after566,450
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Reflects shares of common stock withheld by the Registrant to satisfy tax withholding obligations in connection with the vesting.