CHU TIMOTHY C (General Counsel & SVP, HR) exercised options at HARMONIC INC.

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

M · 1 exercise

CHU TIMOTHY C

Filed: 2/17/2026ACC: 0001193125-26-055422

InsiderCHU TIMOTHY CCIK 1397504

→

IssuerHARMONIC INC.CIK 851310

Officer· General Counsel & SVP, HR

Since Feb 2026

-9.93K

Net shares

Net seller

$106.0K

Total sold

Open market trades

0B · 0S

Total transactions

26.57K acquired · 36.49K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+26.57K

Price / share

—

Trade value

—

% of position

22.2%

2/15/2026

119.45K→146.03K

Common Stock

Direct

F · Tax Withholding

−9.93K

Price / share

$10.68

Trade value

$106K

% of position

6.8%

2/15/2026

146.03K→136.10K

Total

Net shares

+16.64K

Net value

-$106K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/15/2026	M · Option Exercise	+26.57K	—	—	22.2%	119.45K	146.03K
Common Stock Direct	2/15/2026	F · Tax Withholding	−9.93K	$10.68	$106K	6.8%	146.03K	136.10K
Total			+16.64K		-$106K

Derivative Transactions3

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

5.22K shares

−5.22K

Strike price

Held after

0.00

Exercisable

—

2/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

6.05K shares

−6.05K

Strike price

Held after

24.21K

Exercisable

—

2/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

15.29K shares

−15.29K

Strike price

Held after

30.59K

Exercisable

—

2/15/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common Stock5.22K shares	2/15/2026	M · Option Exercise	−5.22K	—	0.00
Restricted Stock Units Direct	Common Stock6.05K shares	2/15/2026	M · Option Exercise	−6.05K	—	24.21K
Restricted Stock Units Direct	Common Stock15.29K shares	2/15/2026	M · Option Exercise	−15.29K	—	30.59K