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Eric S Marmurek Insider Profile

4 Followers
Eric S Marmurek, SVP, Deputy CFO and CAO at Ribbon Communications, holds 427.06K shares in Ribbon Communications (Ticker: RBBN).
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Eric S Marmurek

Eric S Marmurek
Ribbon Communications (RBBN)
SVP, Deputy CFO and CAO

Not Ranked
Eric S Marmurek has not reported sufficient informative transactions and therefore cannot be ranked.
Time Frame
1 Year
Compare to
No Benchmark

Insider Holdings

$1M
100.00%
A breakdown of Eric S Marmurek's holdings

Insider Roles

Ribbon Communications
(RBBN)
SVP, Deputy CFO and CAO
Roles that Eric S Marmurek holds in companies

Most Profitable Insider Trade

Currently, no data available
The most profitable trade made by Eric S Marmurek

Eric S Marmurek's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
Ribbon Communications
Oct 17, 2025
SVP, Deputy CFO and CAO
Uninformative Buy
173.31K
$1.01M
Eric S Marmurek has not reported any informative transactions for RBBN, therefore, performance cannot be measured.
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Apr 16, 2019
Uninformative Buy
$0.00
36,338
$0.00
Mar 19, 2019
Uninformative Buy
$0.00
7,823
$0.00
Apr 17, 2020
Uninformative Buy
$25.29K
8,691
$2.91
Oct 16, 2020
Uninformative Buy
$17.96K
4,582
$3.92
Mar 17, 2021
Uninformative Buy
$202.26K
23,383
$8.65
List of latest transactions for each holding click on a transaction to see Eric S Marmurek's performance on stock

Eric S Marmurek insider profile FAQ

What is the percentage of profitable transactions made by Eric S Marmurek?
The percentage of profitable transactions made by Eric S Marmurek is ―.
    What is the average return per transaction made by Eric S Marmurek?
    The average return per transaction made by Eric S Marmurek is ―.
      What stocks does Eric S Marmurek hold?
      Eric S Marmurek holds: RBBN stocks.
        What was Eric S Marmurek’s latest transaction?
        Eric S Marmurek latest transaction was an Uninformative Buy of $173.31K.
          What was Eric S Marmurek's most profitable transaction?
          Eric S Marmurek’s most profitable transaction was an Uninformative Buy of stock on ―. The return on the trade was ―.
            What is Eric S Marmurek's role in Ribbon Communications?
            Eric S Marmurek's role in Ribbon Communications is SVP, Deputy CFO and CAO.
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