Bucci Sam

EVP, Chief Operating OfficerRibbon Communications Inc. (RBBN) · full profile →Form 4 · filed May 19, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
18
12 non-derivative · 6 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 15, 2026Option exercise(M)39K557K
May 15, 2026Tax withholding(F)21K$2.63$54K536K
May 15, 2026Option exercise(M)53K589K
May 15, 2026Tax withholding(F)28K$2.63$74K561K
May 15, 2026Option exercise(M)83K644K
May 15, 2026Tax withholding(F)45K$2.63$117K599K
Apr 17, 2026Option exercise(M)26K475K
Apr 17, 2026Tax withholding(F)14K$2.71$37K461K
Apr 17, 2026Option exercise(M)43K504K
Apr 17, 2026Tax withholding(F)23K$2.71$62K481K
Apr 17, 2026Option exercise(M)81K561K
Apr 17, 2026Tax withholding(F)43K$2.71$117K518K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
May 15, 2026Option exercise(M)39K$00
May 15, 2026Option exercise(M)53K$053K
May 15, 2026Option exercise(M)83K$0167K
Apr 17, 2026Option exercise(M)26K$00
Apr 17, 2026Option exercise(M)43K$00
Apr 17, 2026Option exercise(M)81K$00

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001708055-26-000035) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

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