MARMUREK ERIC S

PrivateCIK: 1720721
Location

WESTFORD, MA

MARMUREK ERIC S (Principal Accounting Officer) exercised options at RIBBON COMMUNICATIONS INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 2 exercises
InsiderMARMUREK ERIC SCIK 1720721
Officer· Principal Accounting Officer
Since Nov 2018
-14.40K
Net shares
Net seller
$51.1K
Total sold
0
Open market trades
0B · 0S
6
Total transactions
36.59K acquired · 50.98K disposed
Non-Derivative Transactions4

Common Stock

Direct
M · Option Exercise

Shares

+23.23K

Price / share

Trade value

% of position

6.8%
4/17/2025
340.19K363.42K

Common Stock

Direct
F · Tax Withholding

Shares

9.14K

Price / share

$3.53

Trade value

$32.27K

% of position

2.5%
4/17/2025
363.42K354.28K

Common Stock

Direct
M · Option Exercise

Shares

+13.35K

Price / share

Trade value

% of position

3.8%
4/18/2025
354.28K367.64K

Common Stock

Direct
F · Tax Withholding

Shares

5.25K

Price / share

$3.58

Trade value

$18.81K

% of position

1.4%
4/18/2025
367.64K362.38K
Total

Net shares

+22.19K

Net value

-$51.08K

Derivative Transactions2

Restricted Stock Units (RSUs)

Direct
M · Option Exercise
Converts to

Common Stock

23.23K shares

Shares

23.23K

Strike price

Held after

0.00

Exercisable

4/17/2025

RSUs

Direct
M · Option Exercise
Converts to

Common Stock

13.35K shares

Shares

13.35K

Strike price

Held after

0.00

Exercisable

4/18/2025
MARMUREK ERIC S — Insider Transaction (Form 4) Filed Apr 22, 2025 | Finecho