According to recent filings covering the 90 days ending January 02, 2026, the three most significant insider holders at Harmonic are President And Ceo Nimrod Ben-Natan (545.08K shares), Director David Krall (223.12K shares), Director Nikos Theodosopoulos (189.96K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Patrick Harshman | President And Ceo | 792,598 | 17 May, 2024 |
| Nimrod Ben-Natan | President And Ceo | 545,080 | 15 Dec, 2025 |
| Mitzi Reaugh | 292,273 | 03 Jan, 2025 | |
| Susan Swenson | 244,666 | 20 Feb, 2024 | |
| David Krall | 223,125 | 15 Dec, 2025 | |
| Nikos Theodosopoulos | 189,956 | 16 Aug, 2022 | |
| Sanjay Kalra | Svp And Cfo | 177,032 | 15 Mar, 2023 |
| Jeremy Rosenberg | Interim Cfo & Svp Bus Dev | 153,229 | 17 May, 2023 |
| Neven Haltmayer | Svp & Gm And Video Business | 149,570 | 15 Dec, 2025 |
| Timothy C Chu | General Counsel & Svp And Hr | 119,455 | 18 Nov, 2025 |
| Walter Jankovic | Chief Financial Officer | 107,472 | 15 Dec, 2025 |
| Ian Graham | Svp And Global Sales & Video Svcs | 67,690 | 17 May, 2024 |
| Deborah Clifford | 51,033 | 20 Oct, 2021 | |
| Sophia Kim | 21,572 | 20 Feb, 2024 | |
| Daniel T Whalen | 13,840 | 04 Aug, 2025 | |
| Stephanie Copeland | 8,909 | 19 Feb, 2025 | |
| Dana L Crandall | 8,909 | 19 Feb, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 12 Dec, 2025 | Neven Haltmayer | Common Stock | D | 6,165 | $10.61 | 173,405 | D | S |
| 15 Dec, 2025 | Neven Haltmayer | Common Stock | D | 9,421 | $10.42 | 163,984 | D | S |
| 15 Dec, 2025 | Neven Haltmayer | Common Stock | D | 14,414 | $10.41 | 149,570 | D | S |
| 11 Dec, 2025 | David Krall | Common Stock | A | 47,528 | $10.50 | 223,125 | D | P |
| 11 Dec, 2025 | Walter Jankovic | Common Stock | A | 1,457 | $0.00 | 108,204 | D | M |
| 11 Dec, 2025 | Nimrod Ben-Natan | Common Stock | A | 20,032 | $0.00 | 545,080 | D | M |
| 11 Dec, 2025 | Walter Jankovic | Common Stock | D | 732 | $10.71 | 107,472 | D | F |
| 01 Dec, 2025 | Neven Haltmayer | Common Stock | A | 2,724 | $0.00 | 181,021 | D | M |
| 01 Dec, 2025 | Neven Haltmayer | Common Stock | D | 1,451 | $9.41 | 179,570 | D | F |
| 22 Nov, 2025 | Walter Jankovic | Common Stock | A | 6,645 | $0.00 | 110,082 | D | M |
| 22 Nov, 2025 | Walter Jankovic | Common Stock | D | 3,335 | $8.87 | 106,747 | D | F |
| 15 Nov, 2025 | Neven Haltmayer | Common Stock | A | 10,900 | $0.00 | 184,102 | D | M |
| 15 Nov, 2025 | Walter Jankovic | Common Stock | A | 11,289 | $0.00 | 109,103 | D | M |
| 15 Nov, 2025 | Nimrod Ben-Natan | Common Stock | A | 12,529 | $0.00 | 525,048 | D | M |
| 15 Nov, 2025 | Timothy C Chu | Common Stock | A | 11,276 | $0.00 | 123,423 | D | M |
| 15 Nov, 2025 | Neven Haltmayer | Common Stock | D | 5,805 | $9.56 | 178,297 | D | F |
| 15 Nov, 2025 | Walter Jankovic | Common Stock | D | 5,666 | $9.56 | 103,437 | D | F |
| 15 Nov, 2025 | Timothy C Chu | Common Stock | D | 3,968 | $9.56 | 119,455 | D | F |
| 11 Sep, 2025 | Walter Jankovic | Common Stock | A | 1,457 | $0.00 | 98,546 | D | M |
| 11 Sep, 2025 | Nimrod Ben-Natan | Common Stock | A | 20,032 | $0.00 | 512,519 | D | M |