HALTMAYER NEVEN (SVP & GM, Video Business) exercised options at HARMONIC INC.

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

M · 1 exercise

HALTMAYER NEVEN

Filed: 6/22/2026ACC: 0001193125-26-276817

InsiderHALTMAYER NEVENCIK 1380567

→

IssuerHARMONIC INC.CIK 851310

Officer· SVP & GM, Video Business

Since Mar 2026

-12.71K

Net shares

Net seller

$351.5K

Total sold

Open market trades

0B · 0S

Total transactions

44.60K acquired · 57.31K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+44.60K

Price / share

—

Trade value

—

% of position

31.7%

6/16/2026

140.51K→185.11K

Common Stock

Direct

F · Tax Withholding

−23.75K

Price / share

$14.80

Trade value

$351.51K

% of position

12.8%

6/16/2026

185.11K→161.36K

Total

Net shares

+20.85K

Net value

-$351.51K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	6/16/2026	M · Option Exercise	+44.60K	—	—	31.7%	140.51K	185.11K
Common Stock Direct	6/16/2026	F · Tax Withholding	−23.75K	$14.80	$351.51K	12.8%	185.11K	161.36K
Total			+20.85K		-$351.51K

Derivative Transactions3

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

8.78K shares

−8.78K

Strike price

Held after

0.00

Exercisable

—

6/16/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

5.45K shares

−5.45K

Strike price

Held after

0.00

Exercisable

—

6/16/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

19.33K shares

−19.33K

Strike price

Held after

0.00

Exercisable

—

6/16/2026

Security	Converts To	Date	Type	Shares	Exercisable
Restricted Stock Units Direct	Common Stock8.78K shares	6/16/2026	M · Option Exercise	−8.78K	—
Restricted Stock Units Direct	Common Stock5.45K shares	6/16/2026	M · Option Exercise	−5.45K	—
Restricted Stock Units Direct	Common Stock19.33K shares	6/16/2026	M · Option Exercise	−19.33K	—