MCCLELLAND BRUCE WILLIAM (President & CEO) exercised options at RIBBON COMMUNICATIONS INC.

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

M · 7 exercises

MCCLELLAND BRUCE WILLIAM

Filed: 5/19/2026ACC: 0001708055-26-000033

InsiderMCCLELLAND BRUCE WILLIAMCIK 1424201

→

IssuerRIBBON COMMUNICATIONS INC.CIK 1708055

DirectorOfficer· President & CEO

Since Mar 2020

-903.97K

Net shares

Net seller

$2.38M

Total sold

Open market trades

0B · 0S

Total transactions

2.30M acquired · 3.20M disposed

Non-Derivative Transactions14

Common Stock

Direct

M · Option Exercise

+34.42K

Price / share

—

Trade value

—

% of position

2.3%

4/17/2026

1.52M→1.55M

Common Stock

Direct

F · Tax Withholding

−13.54K

Price / share

$2.71

Trade value

$36.70K

% of position

0.9%

4/17/2026

1.55M→1.54M

Common Stock

Direct

M · Option Exercise

+57K

Price / share

—

Trade value

—

% of position

3.7%

4/17/2026

1.54M→1.59M

Common Stock

Direct

F · Tax Withholding

−22.43K

Price / share

$2.71

Trade value

$60.78K

% of position

1.4%

4/17/2026

1.59M→1.57M

Common Stock

Direct

M · Option Exercise

+107.39K

Price / share

—

Trade value

—

% of position

6.8%

4/17/2026

1.57M→1.68M

Common Stock

Direct

F · Tax Withholding

−42.26K

Price / share

$2.71

Trade value

$114.52K

% of position

2.5%

4/17/2026

1.68M→1.64M

Common Stock

Direct

M · Option Exercise

+173.59K

Price / share

—

Trade value

—

% of position

10.6%

5/15/2026

1.64M→1.81M

Common Stock

Direct

F · Tax Withholding

−68.31K

Price / share

$2.63

Trade value

$179.65K

% of position

3.8%

5/15/2026

1.81M→1.74M

Common Stock

Direct

M · Option Exercise

+237.34K

Price / share

—

Trade value

—

% of position

13.6%

5/15/2026

1.74M→1.98M

Common Stock

Direct

F · Tax Withholding

−93.39K

Price / share

$2.63

Trade value

$245.63K

% of position

4.7%

5/15/2026

1.98M→1.89M

Common Stock

Direct

M · Option Exercise

+125K

Price / share

—

Trade value

—

% of position

6.6%

5/15/2026

1.89M→2.01M

Common Stock

Direct

F · Tax Withholding

−49.19K

Price / share

$2.63

Trade value

$129.36K

% of position

2.4%

5/15/2026

2.01M→1.96M

Common Stock

Direct

M · Option Exercise

+1.56M

Price / share

—

Trade value

—

% of position

79.6%

5/15/2026

1.96M→3.52M

Common Stock

Direct

F · Tax Withholding

−614.84K

Price / share

$2.63

Trade value

$1.62M

% of position

17.4%

5/15/2026

3.52M→2.91M

Total

Net shares

+1.39M

Net value

-$2.38M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	4/17/2026	M · Option Exercise	+34.42K	—	—	2.3%	1.52M	1.55M
Common Stock Direct	4/17/2026	F · Tax Withholding	−13.54K	$2.71	$36.70K	0.9%	1.55M	1.54M
Common Stock Direct	4/17/2026	M · Option Exercise	+57K	—	—	3.7%	1.54M	1.59M
Common Stock Direct	4/17/2026	F · Tax Withholding	−22.43K	$2.71	$60.78K	1.4%	1.59M	1.57M
Common Stock Direct	4/17/2026	M · Option Exercise	+107.39K	—	—	6.8%	1.57M	1.68M
Common Stock Direct	4/17/2026	F · Tax Withholding	−42.26K	$2.71	$114.52K	2.5%	1.68M	1.64M
Common Stock Direct	5/15/2026	M · Option Exercise	+173.59K	—	—	10.6%	1.64M	1.81M
Common Stock Direct	5/15/2026	F · Tax Withholding	−68.31K	$2.63	$179.65K	3.8%	1.81M	1.74M
Common Stock Direct	5/15/2026	M · Option Exercise	+237.34K	—	—	13.6%	1.74M	1.98M
Common Stock Direct	5/15/2026	F · Tax Withholding	−93.39K	$2.63	$245.63K	4.7%	1.98M	1.89M
Common Stock Direct	5/15/2026	M · Option Exercise	+125K	—	—	6.6%	1.89M	2.01M
Common Stock Direct	5/15/2026	F · Tax Withholding	−49.19K	$2.63	$129.36K	2.4%	2.01M	1.96M
Common Stock Direct	5/15/2026	M · Option Exercise	+1.56M	—	—	79.6%	1.96M	3.52M
Common Stock Direct	5/15/2026	F · Tax Withholding	−614.84K	$2.63	$1.62M	17.4%	3.52M	2.91M
Total			+1.39M		-$2.38M

Derivative Transactions7

Restricted Share Units (RSUs)

Direct

M · Option Exercise

Converts to

Common Stock

34.42K shares

−34.42K

Strike price

Held after

0.00

Exercisable

—

4/17/2026

Performance Share Units (PSUs)

Direct

M · Option Exercise

Converts to

Common Stock

57K shares

−57K

Strike price

Held after

0.00

Exercisable

—

4/17/2026

PSUs

Direct

M · Option Exercise

Converts to

Common Stock

107.39K shares

−107.39K

Strike price

Held after

0.00

Exercisable

—

4/17/2026

PSUs

Direct

M · Option Exercise

Converts to

Common Stock

173.59K shares

−173.59K

Strike price

Held after

0.00

Exercisable

—

5/15/2026

RSUs

Direct

M · Option Exercise

Converts to

Common Stock

237.34K shares

−237.34K

Strike price

Held after

237.34K

Exercisable

—

5/15/2026

RSUs

Direct

M · Option Exercise

Converts to

Common Stock

125K shares

−125K

Strike price

Held after

250K

Exercisable

—

5/15/2026

RSUs

Direct

M · Option Exercise

Converts to

Common Stock

1.56M shares

−1.56M

Strike price

Held after

1.56M

Exercisable

—

5/15/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Share Units (RSUs) Direct	Common Stock34.42K shares	4/17/2026	M · Option Exercise	−34.42K	—	0.00
Performance Share Units (PSUs) Direct	Common Stock57K shares	4/17/2026	M · Option Exercise	−57K	—	0.00
PSUs Direct	Common Stock107.39K shares	4/17/2026	M · Option Exercise	−107.39K	—	0.00
PSUs Direct	Common Stock173.59K shares	5/15/2026	M · Option Exercise	−173.59K	—	0.00
RSUs Direct	Common Stock237.34K shares	5/15/2026	M · Option Exercise	−237.34K	—	237.34K
RSUs Direct	Common Stock125K shares	5/15/2026	M · Option Exercise	−125K	—	250K
RSUs Direct	Common Stock1.56M shares	5/15/2026	M · Option Exercise	−1.56M	—	1.56M