Based on data from the past 90 days ending February 19, 2026, Calix's three largest insider shareholders are Director Carl Russo (5.65Mn shares), Director Donald J Listwin (807.53K shares), Director Michael T Everett (196.78K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Carl Russo | 5,652,258 | 08 Jan, 2026 | |
| Donald J Listwin | 807,533 | 04 Aug, 2023 | |
| Michael T Everett | 196,779 | 05 Dec, 2022 | |
| Kevin Robert Peters | 130,717 | 12 May, 2025 | |
| J Daniel Plants | 117,865 | 29 Oct, 2021 | |
| Cory Sindelar | Chief Financial Officer | 103,994 | 17 Feb, 2026 |
| Kevin A Denuccio | 80,000 | 04 May, 2022 | |
| Christopher J Bowick | 66,616 | 12 May, 2025 | |
| Michael Matthews | 64,000 | 03 Nov, 2022 | |
| Kathleen M Crusco | 59,394 | 12 May, 2025 | |
| Kira Makagon | 38,964 | 12 May, 2025 | |
| Michael Weening | President & Ceo | 16,556 | 17 Feb, 2026 |
| Wade Oosterman | 7,189 | 12 May, 2025 | |
| Michael J Berry | 4,689 | 12 May, 2025 | |
| Rajatish Mukherjee | 4,689 | 12 May, 2025 | |
| John Durocher | Coo | 2,367 | 17 Feb, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 14 Feb, 2026 | Cory Sindelar | Common Stock | A | 439 | $45.32 | 103,994 | D | A |
| 14 Feb, 2026 | Michael Weening | Common Stock | A | 439 | $45.32 | 16,556 | D | A |
| 14 Feb, 2026 | John Durocher | Common Stock | A | 439 | $45.32 | 2,367 | D | A |
| 03 Feb, 2026 | Carl Russo | Common Stock | D | 11,523 | $47.66 | 1,669,188 | I | S |
| 03 Feb, 2026 | Carl Russo | Common Stock | D | 13,477 | $46.93 | 1,680,711 | I | S |
| 02 Feb, 2026 | Cory Sindelar | Common Stock | A | 27,000 | $5.05 | 103,555 | D | M |
| 07 Jan, 2026 | Carl Russo | Common Stock | A | 10,000 | $12.63 | 3,983,070 | D | M |
| 24 Nov, 2025 | Carl Russo | Common Stock | A | 10,000 | $12.63 | 3,973,070 | D | M |
| 17 Nov, 2025 | Carl Russo | Common Stock | A | 10,000 | $12.63 | 3,963,070 | D | M |
| 10 Nov, 2025 | Shane Todd Marshall Eleniak | Common Stock | A | 24,000 | $8.03 | 24,000 | D | M |
| 10 Nov, 2025 | Shane Todd Marshall Eleniak | Common Stock | D | 24,000 | $64.14 | 0 | D | S |
| 06 Nov, 2025 | Cory Sindelar | Common Stock | A | 50,000 | $5.05 | 126,555 | D | M |
| 06 Nov, 2025 | Cory Sindelar | Common Stock | D | 50,000 | $65.30 | 76,555 | D | S |
| 06 Nov, 2025 | Carl Russo | Common Stock | A | 200,000 | $12.63 | 13,782 | I | M |
| 04 Nov, 2025 | Carl Russo | Common Stock | D | 120 | $66.47 | 1,694,188 | I | S |
| 04 Nov, 2025 | Carl Russo | Common Stock | D | 395,000 | $64.00 | 1,719,188 | I | S |
| 04 Nov, 2025 | Carl Russo | Common Stock | D | 12,035 | $65.11 | 1,707,153 | I | S |
| 04 Nov, 2025 | Carl Russo | Common Stock | D | 12,845 | $66.00 | 1,694,308 | I | S |
| 04 Nov, 2025 | Shane Todd Marshall Eleniak | - | - | 50,000 | D | |||
| 04 Nov, 2025 | Shane Todd Marshall Eleniak | Common Stock | D | 50,000 | $65.34 | 0 | D | S |