Marmurek Eric S

SVP, Deputy CFO and CAORibbon Communications Inc. (RBBN) · full profile →Form 4 · filed Dec 16, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
1
0 non-derivative · 1 derivative

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Dec 15, 2025Grant(A)170K$0170K

Transaction Codes

A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001708055-25-000041) within minutes of acceptance. Every field above traces to the original document. Verify it directly: