🕵️ Harmonic Inc. ($HLIT)
SEC insider & ownership activity, last 12 months · CIK 851310 · every row links its SEC filing
Over the last 12 months insiders sold $791K against $516K of open-market buying. Haltmayer Neven sold $734K (Dec–May). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $516K (2 lots) · 2 sellers, $791K (5 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Haltmayer Neven | 0 | – | 4 | $734K | May 13, 2026 |
| Krall David | 1 | $499K | 0 | – | Dec 11, 2025 |
| Stephanie Copeland | 0 | – | 1 | $57K | May 14, 2026 |
| Daniel T. Whalen | 1 | $16K | 0 | – | Aug 1, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Portfolio Management | 5.6% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.0% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Stephanie Copeland | $57K | May 14, 2026 | filing ↗ |
| Neven Haltmayer | $421K | May 13, 2026 | filing ↗ |
| Neven Haltmayer | $248K | Dec 15, 2025 | filing ↗ |
| Neven Haltmayer | $65K | Dec 12, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Acquisition or disposition (2.01) | Jun 16, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 16, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 8, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 4, 2026 | filing ↗ |
| Earnings (2.02) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 31, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 31, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 11, 2026 | filing ↗ |
| Earnings (2.02) | Feb 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 19, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 3, 2026 | filing ↗ |
| Material agreement (1.01) | Dec 8, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 8, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 8, 2025 | filing ↗ |
| Earnings (2.02) | Nov 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 3, 2025 | filing ↗ |