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Ribbon Communications Inc. (RBBN)

Ribbon Communications Inc. (RBBN) Insider Trading

Directors, officers and holders of more than 10% of RBBN report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 316 transactions on file: 1 with code P, 0 with code S and 49 with other codes.

DateInsiderCodeShares
Oct 31, 2026McCaffery Stephen J.M Exercise36,003
Oct 31, 2026McCaffery Stephen J.M Exercise108,006
Oct 31, 2026McCaffery Stephen J.M Exercise108,006
Oct 31, 2026McCaffery Stephen J.M Exercise36,003
Oct 31, 2026McCaffery Stephen J.F Tax Payment16,921
Oct 31, 2026McCaffery Stephen J.F Tax Payment50,762
Oct 30, 2026McClelland Bruce WilliamP Purchase60,000
Oct 15, 2026Marmurek Eric SF Tax Payment14,756
Oct 15, 2026SHANI SHAULA Award15,625
Oct 15, 2026Marmurek Eric SM Exercise37,500
Oct 15, 2026GRAYSON BRUNS HA Award19,176
Oct 15, 2026SHANI SHAULM Exercise185,210
Oct 15, 2026Marmurek Eric SM Exercise37,500
Oct 15, 2026SHANI SHAULM Exercise185,210
Jul 15, 2026SHANI SHAULA Award11,752
Jul 15, 2026GRAYSON BRUNS HA Award14,423
Jun 16, 2026Tamone TanyaM Exercise42,500
Jun 16, 2026Tamone TanyaM Exercise42,500
Jun 16, 2026GRAYSON BRUNS HM Exercise42,500
Jun 16, 2026GRAYSON BRUNS HM Exercise42,500
Jun 16, 2026SHANI SHAULM Exercise42,500
Jun 16, 2026Mair ScottM Exercise67,500
Jun 16, 2026EWING R STEWART JRM Exercise42,500
Jun 16, 2026INFANTE BEATRIZ VM Exercise42,500
Jun 16, 2026INFANTE BEATRIZ VM Exercise42,500
Jun 16, 2026EWING R STEWART JRM Exercise42,500
Jun 16, 2026SHANI SHAULM Exercise42,500
Jun 16, 2026Mair ScottM Exercise67,500
Jun 15, 2026Marmurek Eric SA Award90,000
Jun 15, 2026Bucci SamA Award150,000
Jun 15, 2026Marmurek Eric SA Award60,000
Jun 15, 2026Marmurek Eric SA Award150,000
Jun 15, 2026Bucci SamA Award250,000
Jun 15, 2026Bucci SamA Award100,000
Jun 15, 2026Mair ScottA Award63,197
Jun 15, 2026INFANTE BEATRIZ VA Award63,197
Jun 15, 2026SHANI SHAULA Award63,197
Jun 15, 2026SILVER LOUISA Award63,197
Jun 15, 2026McCaffery Stephen J.A Award80,000
Jun 15, 2026EWING R STEWART JRA Award63,197
Jun 15, 2026McCaffery Stephen J.A Award200,000
Jun 15, 2026McCaffery Stephen J.A Award120,000
Jun 15, 2026Macken Patrick WA Award97,500
Jun 15, 2026Macken Patrick WA Award162,500
Jun 15, 2026Macken Patrick WA Award65,000
Jun 15, 2026GRAYSON BRUNS HA Award63,197
Jun 15, 2026Tamone TanyaA Award63,197
May 15, 2026McClelland Bruce WilliamM Exercise173,593
May 15, 2026Bucci SamF Tax Payment28,233
May 15, 2026Marmurek Eric SM Exercise26,043

The full Form 4 history is on the RBBN company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.