Harmonic Inc Form 4 Filings

HARMONIC INC. (HLIT) reports that President and CEO Nimrod Ben-Natan exercised 20,032 restricted stock units on September 11, 2026, converting them into 20,032 shares of common stock at a reported price of $0.00 per share. Following this transaction, he directly holds 747,981 shares of common stock and 60,096 restricted stock units.

HARMONIC INC. (HLIT) reported that President and CEO Nimrod Ben-Natan exercised previously granted Restricted Stock Units, converting them into 26,196 shares of common stock on August 15, 2026 at an exercise price of $0.00 per share. Following this transaction, he directly holds 727,949 shares of Harmonic common stock. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.

HARMONIC INC. (HLIT) Chief Financial Officer Walter Jankovic reported multiple equity compensation-related transactions. On 2026-08-15, he exercised restricted stock units that converted into 19,784 shares of common stock. On the same date, 9,930 shares of common stock were delivered or withheld for payment of exercise price or tax liability, and the corresponding restricted stock units were disposed of as they converted into common stock. Each restricted stock unit represented a contingent right to receive one share of HLIT common stock.

HARMONIC INC. (HLIT) reported that officer Timothy C. Chu exercised restricted stock units and received common stock. On 2026-08-15, 6,053 and 3,823 restricted stock units, each representing a right to one HLIT share, were converted into 9,876 shares of common stock. On the same date, 3,475 common shares were delivered or withheld at $13.92 per share for payment of exercise price or tax liability.

HARMONIC INC. (HLIT) senior vice president Ronald J. Glahn reported an exercise of restricted stock units into 4,038 shares of common stock on 2026-08-15. The corresponding RSU derivative entry shows 24,228 restricted stock units remaining after this transaction. On the same date, 1,111 common shares were delivered or withheld at $13.92 per share for payment of exercise price or tax liability, leaving the net economic effect of these transactions neutral overall.

Chu Timothy C reported acquisition or exercise transactions in this Form 4 filing.

HARMONIC INC. reported that General Counsel & SVP, HR Timothy C. Chu received a grant of 10,307 Restricted Stock Units on 2026-08-10. Each unit represents a contingent right to receive one share of HLIT common stock. Following this grant, Chu holds 10,307 RSUs directly.

One third of the RSUs is scheduled to vest on 2027-02-15, with approximately 8.33% of the remaining units vesting every three months thereafter, so that the award is fully vested on the third anniversary of the RSU vesting commencement date.

Jankovic Walter reported acquisition or exercise transactions in this Form 4 filing.

Harmonic Inc. (HLIT) reported that its Chief Financial Officer, Walter Jankovic, received a grant of 20,614 Restricted Stock Units, each representing a contingent right to receive one share of Harmonic common stock. One third of these RSUs are scheduled to vest on February 15, 2027, with approximately 8.33% of the remaining units vesting every three months thereafter until fully vested on the third anniversary of the vesting commencement date.

HARMONIC INC. SVP, Global Sales, Broadband Ronald J. Glahn reported transactions dated July 15, 2026. He acquired 3,750 shares of common stock through the exercise of restricted stock units at no cash cost, while 1,031 shares were withheld to satisfy tax obligations at $12.99 per share. After these transactions, he directly owned 41,536 shares of common stock and held 11,250 restricted stock units, each representing a contingent right to receive one share of HLIT common stock.

HARMONIC INC. senior vice president Neven Haltmayer reported equity compensation activity tied to the completion of the sale of Harmonic’s Video Business to MediaKind on June 16, 2026. The company’s compensation committee approved accelerated vesting of 50% of his outstanding time-based restricted stock units and 50% of his target performance-based restricted stock units.

On the same date, Haltmayer exercised multiple restricted stock unit awards at a conversion price of $0.00 per share into Harmonic common stock and had 23,751 shares disposed of at $14.80 per share to cover tax obligations. Following these transactions, he directly held 161,362 shares of Harmonic common stock.

Harmonic Inc. Chief Financial Officer Walter Jankovic exercised 1,457 restricted stock units on June 11, 2026, receiving the same number of common shares. 732 shares of common stock were disposed of to cover tax obligations at $14.51 per share. After these transactions he directly holds 156,260 shares of Harmonic common stock and 5,828 restricted stock units.

HARMONIC INC. President and CEO Nimrod Ben-Natan exercised restricted stock units into common shares on 2026-06-11. He acquired 20,032 shares of common stock through the conversion of 20,032 restricted stock units, with no open-market buying or selling reported.

Following the transactions, he directly holds 701,753 shares of common stock and 80,128 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock, reflecting routine equity-based compensation rather than discretionary trading.

HARMONIC INC. executive Neven Haltmayer reported routine equity compensation activity involving restricted stock units and related tax withholding. On June 1, 2026, 2,725 restricted stock units converted into the same number of common shares at a stated price of $0.00 per share.

To cover tax obligations, 1,452 common shares were disposed of at $15.81 per share through a tax-withholding transaction, which is not an open-market sale. After these transactions, Haltmayer directly holds 140,513 common shares and 10,897 restricted stock units, indicating he retained most of the newly delivered shares.

HARMONIC INC. Chief Financial Officer Walter Jankovic reported routine equity compensation activity involving restricted stock units and related tax withholding.

He exercised 6,645 restricted stock units, each representing a right to receive one share of Harmonic common stock, converting them into 6,645 shares of common stock. To cover tax obligations, 3,335 common shares were disposed of at a price of $15.20 per share through a tax-withholding mechanism rather than an open-market sale.

Following these transactions, Jankovic directly holds 155,535 shares of Harmonic common stock, indicating a net increase in his equity position and reflecting compensation-related, non-market transactions.

Harmonic Inc. senior vice president of global sales for broadband, Ronald J. Glahn, reported routine equity compensation activity involving restricted stock units that settled into common shares.

He exercised 4,038 restricted stock units into common stock, with 1,111 shares withheld at $12.54 per share to cover tax obligations. Following these transactions, he holds 38,817 shares of common stock directly and 28,266 restricted stock units, each representing a contingent right to receive one share of HLIT common stock.

Harmonic Inc. Chief Financial Officer Walter Jankovic reported routine equity compensation activity involving common stock and restricted stock units. On May 15, 2026, he exercised derivative awards to acquire 19,785 shares of common stock, while 9,099 shares were withheld to cover tax obligations. Following these transactions, he directly holds 152,225 shares of common stock. Several restricted stock unit grants also converted into common stock, leaving 6,435 restricted stock units outstanding, each representing the right to receive one share of common stock.

HARMONIC INC. General Counsel & SVP, HR Timothy C. Chu reported routine equity compensation activity. On May 15, 2026, he exercised derivative awards covering 9,876 shares of common stock and vested restricted stock units totaling 9,876 shares of underlying common stock. To cover tax obligations, 3,475 shares of common stock were disposed of as a tax-withholding transaction rather than an open-market sale. Following these transactions, he held 142,501 shares of common stock directly and 26,763 restricted stock units, each representing a contingent right to one share of HLIT common stock.

Harmonic Inc. senior vice president Neven Haltmayer reported routine equity compensation activity. He exercised restricted stock units that delivered 11,373 shares of Harmonic common stock, and 6,057 shares were withheld at a price of $12.54 per share to cover tax obligations. Following these transactions, he directly holds 139,240 shares of common stock. The filing also shows related movements in restricted stock units, each representing a contingent right to receive one share of HLIT common stock.

HARMONIC INC. President and CEO Nimrod Ben-Natan exercised equity awards on May 15, 2026 to acquire 26,196 shares of common stock. These shares came from the conversion of derivative awards, rather than an open-market purchase.

Following these transactions, he directly holds 681,721 common shares. He also continues to hold restricted stock units, with 136,292 units and 20,178 units outstanding in two separate RSU grants, each representing a contingent right to receive one share of HLIT common stock.

Harmonic Inc. director Stephanie Copeland sold shares of the company’s common stock in an open-market transaction. On the transaction date, she sold 4,300 shares at a price of $13.305 per share. After this sale, she directly held 20,752 shares of Harmonic common stock.

Harmonic Inc. senior vice president and GM of the Video Business, Neven Haltmayer, reported an open-market sale of 31,766 shares of Common Stock on May 13, 2026 at an average price of $13.2407 per share. After this sale, he directly holds 133,924 shares of Harmonic common stock.

Harmonic Inc. senior vice president Ronald J. Glahn exercised restricted stock units and settled related taxes in shares. On April 15, 2026, he exercised 3,750 restricted stock units, receiving an equal number of Harmonic common shares. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.

On the same date, 1,042 common shares were withheld at $9.88 per share to cover tax obligations, a non‑market, tax-withholding disposition rather than an open-market sale. After these transactions, Glahn directly held 35,890 shares of Harmonic common stock.

GALLAGHER PATRICK reported acquisition or exercise transactions in this Form 4 filing.

Harmonic Inc. director Patrick Gallagher received a grant of 18,756 restricted stock units, each representing one share of HLIT common stock. Following this award, he holds 18,756 RSUs directly. The units are scheduled to vest in full on February 15, 2027.

The vested RSUs will be settled in shares within 60 days after the earliest of a change-in-control event, Gallagher’s separation from service with the company, or his death. This is a compensation-related equity grant, not an open-market stock purchase or sale.

Chu Timothy C reported acquisition or exercise transactions in this Form 4 filing.

Harmonic Inc. reported that General Counsel & SVP, HR Timothy C. Chu received a grant of 59,230 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of HLIT common stock. After this grant, he holds 59,230 RSUs directly.

One third of the RSUs is scheduled to vest on February 15, 2027, with approximately 8.33% of the remaining units vesting every three months so that the award becomes fully vested on the third anniversary of the RSU vesting commencement date.

Glahn Ronald J reported acquisition or exercise transactions in this Form 4 filing.

Harmonic Inc. reported that SVP, Global Sales, Broadband Ronald J. Glahn received a grant of 49,161 restricted stock units linked to Harmonic common stock. Each unit represents a contingent right to receive one share.

One third of the RSUs is scheduled to vest on 2/15/2027, with about 8.33% of the remaining units vesting every three months so the award becomes fully vested on the third anniversary of the RSU Vesting Commencement Date. After this grant, Glahn owns 49,161 RSUs directly.

Jankovic Walter reported acquisition or exercise transactions in this Form 4 filing.

Harmonic Inc.'s Chief Financial Officer Walter Jankovic received a grant of 133,268 restricted stock units (RSUs) tied to the company’s common stock. Each RSU represents a contingent right to receive one share of HLIT common stock at vesting.

According to the award terms, one-third of the RSUs is scheduled to vest on February 15, 2027. Approximately 8.33% of the remaining RSUs will then vest every three months, so the grant becomes fully vested on the third anniversary of the vesting commencement date. Following this grant, Jankovic holds 133,268 RSUs directly.

Ben-Natan Nimrod reported acquisition or exercise transactions in this Form 4 filing.

HARMONIC INC. President and CEO Nimrod Ben-Natan reported a compensation-related award of 281,343 restricted stock units, each representing a contingent right to receive one share of HLIT common stock. One third of these RSUs are scheduled to vest on February 15, 2027, with roughly 8.33% of the remainder vesting every three months so that the grant becomes fully vested on the third anniversary of the RSU vesting commencement date.

Clifford Deborah reported acquisition or exercise transactions in this Form 4 filing.

HARMONIC INC. director Deborah Clifford reported receiving a grant of 18,756 restricted stock units, each representing one share of HLIT common stock. These units were awarded at no cash cost as a form of equity compensation.

The restricted stock units are scheduled to vest in full on February 15, 2027, with vested shares delivered to Clifford on or immediately following that date. After this grant, she holds 18,756 restricted stock units directly.

Copeland Stephanie reported acquisition or exercise transactions in this Form 4 filing.

HARMONIC INC. director Stephanie Copeland reported receiving a grant of 18,756 restricted stock units tied to the company’s common stock. Each unit represents the right to receive one share of HLIT common stock. The units are scheduled to vest in full on February 15, 2027, with vested shares delivered on or shortly after that date. Following this compensation-related award, Copeland’s reported derivative holdings from this grant total 18,756 units.

Crandall Dana L reported acquisition or exercise transactions in this Form 4 filing.

Harmonic Inc. director Dana L. Crandall received a grant of 18,756 restricted stock units, each representing one share of HLIT common stock. These RSUs are scheduled to vest in full on February 15, 2027, with vested shares delivered to Crandall on or immediately following that date.

Dev Indraneel reported acquisition or exercise transactions in this Form 4 filing.

HARMONIC INC. director Dev Indraneel received 18756 restricted stock units (RSUs) as an equity award. The RSUs were granted on March 16, 2026 and each unit represents a right to receive one share of HLIT common stock. The shares subject to these RSUs are scheduled to vest in full on February 15, 2027. Vested RSUs will be settled in shares within 60 days after the earliest of a change-in-control event, the director’s separation from service, or the director’s death. Following this grant, the director holds 18756 RSUs directly.

KRALL DAVID reported acquisition or exercise transactions in this Form 4 filing.

Harmonic Inc. director David Krall received a grant of 18,756 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Harmonic common stock. The RSUs are scheduled to vest in full on February 15, 2027, with vested shares delivered to him on or immediately after that date.

Whalen Daniel T reported acquisition or exercise transactions in this Form 4 filing.

Harmonic Inc. director Daniel T. Whalen received a grant of 18,756 restricted stock units (RSUs) tied to HLIT common stock. Each RSU represents the right to receive one share of common stock at no purchase price. The RSUs are scheduled to vest in full on February 15, 2027, with vested shares delivered to Whalen on or immediately after that date. Following this award, he holds 18,756 RSUs directly, reflecting a compensation-related equity grant rather than an open-market stock purchase or sale.

Harmonic Inc. Chief Financial Officer Walter Jankovic exercised restricted stock units into common shares and covered related taxes with stock. He converted 1,457 restricted stock units, receiving the same number of common shares. Of these, 513 shares were withheld at $9.34 per share to satisfy tax obligations. After these routine compensation-related transactions, he directly holds 141,539 shares of common stock and 7,285 restricted stock units.

Harmonic Inc. President and CEO Nimrod Ben-Natan exercised restricted stock units into common shares. On March 11, 2026 he converted 20,032 restricted stock units, receiving 20,032 shares of Harmonic common stock at a stated price of $0.00 per share. Following the transactions, he holds 655,525 shares of common stock and 100,160 restricted stock units directly. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.

Harmonic Inc. senior vice president Neven Haltmayer reported equity award activity involving restricted stock units and common shares. On March 1, 2026, 2,724 restricted stock units were exercised at $0.00 per unit, converting into 2,724 shares of common stock. To cover tax obligations related to this vesting, 1,451 common shares were disposed of at $10.63 per share through tax withholding, rather than an open-market sale. After these transactions, Haltmayer directly owned 165,690 shares of Harmonic common stock.

Harmonic Inc. Chief Financial Officer Walter Jankovic reported equity award activity involving restricted stock units and common shares. On February 22, 2026, 6,644 restricted stock units were exercised into 6,644 shares of common stock at no cost. To cover tax obligations, 2,338 common shares were disposed of at $10.90 per share, leaving Jankovic with 140,595 directly owned common shares.

HARMONIC INC. director Daniel T. Whalen reported exercising restricted stock units into common shares. He converted 16,143 restricted stock units, with each unit representing a contingent right to receive one share of HLIT common stock, into 16,143 shares of common stock at a stated price of $0.00 per share.

Following this derivative exercise and related issuance, his directly held common stock position increased to 29,983 shares. The filing reflects an equity award settlement rather than an open-market purchase or sale.

Harmonic Inc. director David Krall reported an equity award transaction involving restricted stock units that converted into common shares. On February 15, 2026, he exercised 16,143 restricted stock units, each representing a right to receive one share of Harmonic common stock, and acquired 16,143 shares of common stock at a stated price of $0.00 per share. Following this conversion, his directly held Harmonic common stock position increased to 239,268 shares.

HARMONIC INC. director Dana L. Crandall acquired common shares through an internal equity award event. On February 15, 2026, 16,143 restricted stock units were exercised or converted into 16,143 shares of common stock at a stated price of $0.00 per share. After this derivative exercise/conversion, Crandall directly owned 25,052 shares of Harmonic common stock.

Harmonic Inc. director Stephanie Copeland exercised 16,143 restricted stock units into 16,143 shares of common stock at no cost. After this derivative exercise on February 15, 2026, her directly held common stock position increased to 25,052 shares.

Harmonic Inc. Chief Financial Officer Walter Jankovic reported multiple equity award transactions involving restricted stock units and common stock. On February 15, 2026, he exercised restricted stock units that each represent a right to receive one share of HLIT common stock, resulting in the acquisition of 45,273 shares of common stock through derivative exercises at a stated price of $0.00 per share. On the same date, 16,456 shares of common stock were disposed of at $10.68 per share in a tax-withholding transaction used to satisfy tax obligations. After these transactions, Jankovic directly owned 136,289 shares of Harmonic common stock.

HARMONIC INC. executive Neven Haltmayer reported equity award activity involving both acquisitions and a tax-related share disposal. On February 15, 2026, he exercised or converted several blocks of restricted stock units, which each represent a contingent right to receive one share of HLIT common stock. These derivative exercises covered 5,049, 5,852 and 22,090 restricted stock units, along with 32,991 shares of common stock acquired through derivative exercise or conversion. To cover the exercise price or tax liability, 18,144 shares of common stock were disposed of at a price per share of 10.68 in a tax-withholding transaction. After these transactions, Haltmayer directly owned 164,417 shares of Harmonic common stock.

Glahn Ronald J reported multiple insider transaction types in a Form 4 filing for HLIT. The filing lists transactions totaling 36,731 shares at a weighted average price of $10.68 per share. Following the reported transactions, holdings were 32,304 shares.

Harmonic Inc.’s General Counsel and SVP, HR, Timothy C. Chu, converted previously granted restricted stock units into 26,570 shares of common stock on February 15, 2026 at an exercise price of $0 per share. Each restricted stock unit represented the right to receive one share of HLIT common stock.

To cover tax obligations from this vesting, 9,925 shares of common stock were withheld and disposed of at $10.68 per share. After these transactions, Chu directly owned 136,100 shares of Harmonic common stock.

Harmonic Inc. President and CEO Nimrod Ben-Natan, who also serves as a director, reported exercising restricted stock units into common shares. On February 15, 2026, he converted awards covering 90,413 shares of common stock at an exercise price of $0 per share, increasing his direct ownership to 635,493 common shares.

The filing shows related derivative transactions where restricted stock units for 5,804, 6,726, and 77,883 shares of common stock, each at $0, were exercised as they approached or reached their stated exercisable and expiration dates. Each restricted stock unit represents a right to receive one share of Harmonic common stock.

Harmonic Inc. director Mr. Krall reported an open market purchase of company stock. On 12/11/2025, he acquired 47,528 shares of Harmonic common stock at a price of $ 10.5 per share. After this transaction, he directly beneficially owned 223,125 shares of Harmonic common stock, as disclosed in the Form 4 insider report.

Harmonic Inc. reported that its senior vice president and general manager of its Video Business completed several sales of company common stock in December 2025.

The reporting person sold 6,165 shares on 12/12/2025 at a price of $10.6051 per share, 9,421 shares on 12/15/2025 at $10.4162 per share, and 14,414 shares on 12/15/2025 at $10.4139 per share. Following these transactions, the executive directly owned 149,570 shares of Harmonic common stock.

Harmonic Inc.'s Chief Financial Officer reported insider stock transactions involving common shares and restricted stock units.

On 12/11/2025, the officer acquired 1,457 shares of common stock at a price of $0 and disposed of 732 shares at $10.71. Following these trades, the officer beneficially owned 107,472 shares of common stock directly. A related entry in the derivative table shows 1,457 restricted stock units with a $0 exercise price and transaction code M, leaving 8,742 restricted stock units beneficially owned. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.

Harmonic Inc. reported an insider equity transaction involving its President and CEO, who is also a director. On 12/11/2025, the insider acquired 20,032 shares of common stock at a price of $0, as shown in Table I.

Table II shows a matching movement in derivative securities: 20,032 restricted stock units, each representing a contingent right to one share of HLIT common stock, were tied to this transaction. Following the activity, the insider directly owned 545,080 shares of common stock and held 120,192 restricted stock units as derivative securities.