Senior insider sale

SVP & GM, Video Business at HARMONIC INC. — senior position signals high conviction

$313.6K

30K shares

What this filing means

HALTMAYER NEVEN plans to sell 30K shares of HARMONIC INC. valued at approximately $313.6K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

HALTMAYER NEVEN

Filed: 12/15/2025ACC: 0001950047-25-010282

InsiderHALTMAYER NEVENCIK 1380567

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IssuerHARMONIC INC.CIK 851310

Officer· SVP & GM, Video Business

Since Mar 2026

30K

Shares to sell

$313.6K

Approx. market value

23.84K

Acquired (3 months)

Planned

1 completed

Securities Acquired — Last 3 Months13

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Restricted Stock

Not Applicable

11/15/2024

2.35K

Restricted Stock

Not Applicable

11/15/2024

311.00

Restricted Stock

Not Applicable

8/15/2024

2.35K

Restricted Stock

Not Applicable

8/15/2024

310.00

Restricted Stock

Not Applicable

5/15/2024

2.35K

Restricted Stock

Not Applicable

5/15/2024

312.00

Restricted Stock

Not Applicable

2/15/2024

9.42K

Restricted Stock

Not Applicable

2/15/2024

312.00

Restricted Stock

Not Applicable

2/15/2024

129.00

Restricted Stock

Not Applicable

11/15/2023

3.03K

Restricted Stock

Not Applicable

11/15/2023

316.00

Restricted Stock

Not Applicable

8/15/2023

316.00

Performance Shares

Not Applicable

8/6/2019

2.31K

Total acquired23.84K

Acquisition Date	Type	Amount Acquired	Gift
11/15/2024	Restricted Stock Not Applicable	2.35K	—
11/15/2024	Restricted Stock Not Applicable	311.00	—
8/15/2024	Restricted Stock Not Applicable	2.35K	—
8/15/2024	Restricted Stock Not Applicable	310.00	—
5/15/2024	Restricted Stock Not Applicable	2.35K	—
5/15/2024	Restricted Stock Not Applicable	312.00	—
2/15/2024	Restricted Stock Not Applicable	9.42K	—
2/15/2024	Restricted Stock Not Applicable	312.00	—
2/15/2024	Restricted Stock Not Applicable	129.00	—
11/15/2023	Restricted Stock Not Applicable	3.03K	—
11/15/2023	Restricted Stock Not Applicable	316.00	—
8/15/2023	Restricted Stock Not Applicable	316.00	—
8/6/2019	Performance Shares Not Applicable	2.31K	—
Total		23.84K

Planned & Completed Dispositions2

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Completed

—Completed

Units to sell

6.17K

Market value

$65.4K

12/12/2025

Planned — Approximate Date

NASDAQPlanned

Units to sell

23.84K

Market value

$248.2K

12/15/2025

Total

Units

30K

Value

$313.6K

Date	Units to Sell	Approx. Market Value	Exchange	Status
Completed
12/12/2025	6.17K	$65.4K	—	Completed
Planned — Approximate Date
12/15/2025	23.84K	$248.2K	NASDAQ	Planned
Total	30K	$313.6K