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Harmonic

Harmonic (NASDAQ: HLIT) insider transactions

In the twelve months to 10 November 2026, executives and directors of Harmonic reported 5 open-market sales of 66,066 shares ($791,442) and 1 open-market purchase of 47,528 shares ($499,044), by 3 people, according to the Form 4 filings they submitted to the SEC.

Latest transactions

The 20 most recent transactions in Harmonic shares reported on Form 4
DateInsiderRoleTransactionSharesPriceHeld afterFiling
15 October 2026Glahn Ronald JSVP, Global Sales, BroadbandOption exercise+3,750—48,213Form 4
15 October 2026Glahn Ronald JSVP, Global Sales, BroadbandShares withheld for tax−1,031$10.5847,182Form 4
11 September 2026Ben-Natan NimrodPresident and CEOOption exercise+20,032—747,981Form 4
11 September 2026Jankovic WalterChief Financial OfficerOption exercise+1,457—167,571Form 4
11 September 2026Jankovic WalterChief Financial OfficerShares withheld for tax−732$12.00166,839Form 4
15 August 2026Glahn Ronald JSVP, Global Sales, BroadbandOption exercise+4,038—45,574Form 4
15 August 2026Glahn Ronald JSVP, Global Sales, BroadbandShares withheld for tax−1,111$13.9244,463Form 4
15 August 2026Chu Timothy CGeneral Counsel & SVP, HROption exercise+9,876—152,377Form 4
15 August 2026Chu Timothy CGeneral Counsel & SVP, HRShares withheld for tax−3,475$13.92148,902Form 4
15 August 2026Jankovic WalterChief Financial OfficerOption exercise+19,784—176,044Form 4
15 August 2026Jankovic WalterChief Financial OfficerShares withheld for tax−9,930$13.92166,114Form 4
15 August 2026Ben-Natan NimrodPresident and CEOOption exercise+26,196—727,949Form 4
15 July 2026Glahn Ronald JSVP, Global Sales, BroadbandOption exercise+3,750—42,567Form 4
15 July 2026Glahn Ronald JSVP, Global Sales, BroadbandShares withheld for tax−1,031$12.9941,536Form 4
16 June 2026Haltmayer NevenSVP & GM, Video BusinessOption exercise+44,600—185,113Form 4
16 June 2026Haltmayer NevenSVP & GM, Video BusinessShares withheld for tax−23,751$14.80161,362Form 4
11 June 2026Ben-Natan NimrodPresident and CEOOption exercise+20,032—701,753Form 4
11 June 2026Jankovic WalterChief Financial OfficerOption exercise+1,457—156,992Form 4
11 June 2026Jankovic WalterChief Financial OfficerShares withheld for tax−732$14.51156,260Form 4
1 June 2026Haltmayer NevenSVP & GM, Video BusinessOption exercise+2,725—141,965Form 4

Names appear as in the filing, surname first. A dash in the price column means the filing reports none, as in grants and gifts.

How to read the table

Only open-market purchases and sales are trades the insider chose to make at the market price, and they are the ones counted in the summary above. Grants, option exercises and shares withheld for tax come from pay plans. A sale marked as a 10b5-1 plan was scheduled in advance under a written plan.

Where each row comes from

From the Form 4 that each executive, director or large shareholder must file with the SEC within two business days of a transaction, read up to 10 November 2026. Each row links to its filing on EDGAR. Only transactions in shares are listed, not derivatives, and amended filings are left out. The accounts of the company are on the Harmonic page; the method, in data sources.

Information prepared from the Form 4 filings submitted to the SEC, for information purposes only. It is not financial advice or a recommendation to buy or sell. Updated on 12 November 2026.