Ribbon Communications Inc. (RBBN) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-15

Ribbon Communications Inc. (RBBN) has filed 21 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-15. 3 Form 8-K material event filings were reported by RBBN in the last 90 days. InsiderAlpha tracks every RBBN SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About Ribbon Communications Inc. (RBBN)

SIC classificationServices-Computer Integrated Systems Design (SIC 7373)
SEC CIK0001708055

90-Day SEC Filing Activity

Form 4 filings (90d)21
Form 8-K filings (90d)3
Latest Form 4 filing2026-07-15

Recent RBBN Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
SHANI SHAULDirectorA — Grant or award11.8KSEC
GRAYSON BRUNS HDirectorA — Grant or award14.4KSEC
INFANTE BEATRIZ VDirectorM — Option exercise42.5KSEC
EWING R STEWART JRDirectorM — Option exercise42.5KSEC
Tamone TanyaDirectorM — Option exercise42.5KSEC
GRAYSON BRUNS HDirectorM — Option exercise42.5KSEC
SHANI SHAULDirectorM — Option exercise42.5KSEC
Mair ScottDirectorM — Option exercise67.5KSEC
Marmurek Eric SEVP, Chief Financial OfficerF — Tax withholding / forfeiture12.5K$2.63$33KSEC
Macken Patrick WEVP, Chief Legal OfficerF — Tax withholding / forfeiture14.7K$2.63$39KSEC
Bucci SamEVP, Chief Operating OfficerM — Option exercise83.3KSEC
Bucci SamEVP, Chief Operating OfficerF — Tax withholding / forfeiture28.2K$2.63$74KSEC
Bucci SamEVP, Chief Operating OfficerF — Tax withholding / forfeiture44.6K$2.63$117KSEC
Macken Patrick WEVP, Chief Legal OfficerF — Tax withholding / forfeiture24.3K$2.63$64KSEC
Marmurek Eric SEVP, Chief Financial OfficerM — Option exercise23.1KSEC

All transactions sourced from SEC EDGAR Form 4 filings for Ribbon Communications Inc. (RBBN). Updated in real time as new filings are submitted to the SEC.

Most-Active RBBN Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
Bucci Sam21$462K
Macken Patrick W21$301K
McClelland Bruce William21$2.38M
Marmurek Eric S21$199K
SHANI SHAUL5

Recent RBBN Form 8-K Material Events

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in RBBN insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

RBBN Insider Trading — FAQ

What is the latest insider trade for RBBN?
Ribbon Communications Inc. (RBBN) had 21 insider filings in the last 90 days, with the most recent on 2026-07-15. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying RBBN stock?
0 insider purchases of RBBN were filed in the last 90 days.
How many insiders are selling RBBN stock?
0 insider sales of RBBN were filed in the last 90 days.
Where can I see RBBN SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every RBBN SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

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