Insider NameBuy/SellCompany NameTickerAmountShares Change
Dec 08, 2020Dec 10, 2020Marmurek Eric S
SVP
CAO
SellRibbon Communications Inc.RBBN$7.19$59,709-19.85%
May 15, 2020May 19, 2020Marmurek Eric S
SVP
CAO
SellRibbon Communications Inc.RBBN$3.24$3,549-2.78%
Apr 15, 2020Apr 17, 2020Marmurek Eric S
SVP
CAO
SellRibbon Communications Inc.RBBN$2.92$9,991-7.98%
Nov 15, 2019Nov 19, 2019Marmurek Eric S
Principal Accounting Officer
SellRibbon Communications Inc.RBBN$2.99$3,295-3.46%
May 15, 2019Nov 19, 2019Marmurek Eric S
Principal Accounting Officer
SellRibbon Communications Inc.RBBN$4.85$5,379-3.36%
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