Marmurek Eric S sold RBBN
May 15, 2026 · Form 4 insider transaction
Marmurek Eric S sold 10,247 shares of Ribbon Communications Inc. at $2.63 per share, a transaction worth $26.9K. 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
10,247
Price
$2.63
Total value
$26.9K
InsiderMarmurek Eric S
Role—
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateMay 15, 2026
Filing dateMay 19, 2026
Shares owned after543,706
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the awards.