Carl Russo - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Carl Russo has filed 3 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $34.17M.
Profile
Carl Russo holds the role of Director at CALIX, INC ((CALX)). Russo has reported 14 insider filings with the SEC since 2024. The most recent filing was in June 2026.
| Role | Director, 10% Owner |
|---|---|
| Notability | 36/100 |
Board memberships
- CALIX, INC
Reported roles
- Director
Trading Pattern
InsiderAlpha's records for Carl Russo go back to 2024: 15 primary Form 4 filings, an average of 5.0 per year. 12 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role Carl Russo has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director, 10% Owner at CALIX, INC (CALX) - 1 filing, 2026
- Director, 10% Owner at CALIX, INC (CALX) - 14 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-28 | CALX | CALIX, INC | S - Open-market sale [10b5-1] | 75.0K | $36.20 | $2.71M |
| 2026-05-18 | CALX | CALIX, INC | A - Grant or award | 5.0K | $0.00 | |
| 2026-04-28 | CALX | CALIX, INC | S - Open-market sale [10b5-1] | 4.1K | $43.75 | $179K |
| 2026-04-28 | CALX | CALIX, INC | S - Open-market sale [10b5-1] | 20.9K | $43.17 | $903K |
| 2026-04-10 | CALX | CALIX, INC | G - Bona-fide gift | 40.0K | $0.00 | |
| 2026-02-26 | CALX | CALIX, INC | M - Option exercise | 10.0K | $12.63 | $126K |
| 2026-02-04 | CALX | CALIX, INC | S - Open-market sale [10b5-1] | 11.5K | $47.66 | $549K |
| 2026-02-04 | CALX | CALIX, INC | S - Open-market sale [10b5-1] | 13.5K | $46.93 | $633K |
| 2025-11-25 | CALX | CALIX, INC | M - Option exercise | 10.0K | $12.63 | $126K |
| 2025-11-18 | CALX | CALIX, INC | M - Option exercise | 10.0K | $12.63 | $126K |
| 2025-11-06 | CALX | CALIX, INC | M - Option exercise [10b5-1] | 200.0K | $12.63 | $2.53M |
| 2025-11-06 | CALX | CALIX, INC | S - Open-market sale [10b5-1] | 120 | $66.47 | $8K |
| 2025-11-06 | CALX | CALIX, INC | S - Open-market sale [10b5-1] | 12.8K | $66.00 | $848K |
| 2025-11-06 | CALX | CALIX, INC | S - Open-market sale [10b5-1] | 12.0K | $65.11 | $784K |
| 2025-11-06 | CALX | CALIX, INC | S - Open-market sale [10b5-1] | 395.0K | $64.00 | $25.28M |
| 2025-07-28 | CALX | CALIX, INC | S - Open-market sale | 25.0K | $55.40 | $1.38M |
| 2024-11-06 | CALX | CALIX, INC | S - Open-market sale [10b5-1] | 25.0K | $35.42 | $886K |
Companies - Last 90 Days
- CALIX, INC (CALX) - 3 filings, last 2026-07-28
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Carl Russo has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Michael Weening - $42.22M of CALX open-market activity in the last 12 months
- Cory Sindelar - $5.21M of CALX open-market activity in the last 12 months
- Shane Todd Marshall Eleniak - $4.81M of CALX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Sabas D. Carrillo
- Jonathan P. Carroll
- CASCADE INVESTMENT, L.L.C.
- Casdin Capital, LLC
- Casdin Partners Master Fund, L.P.
- Richard M. Cashin Jr.
- Catalyst4, Inc.
- CDR Channel Holdings II, L.P.
Frequently Asked Questions
Who is Carl Russo?
Carl Russo holds the role of Director at CALIX, INC ((CALX)). Russo has reported 14 insider filings with the SEC since 2024. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Carl Russo submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Carl Russo been buying or selling stock?
Recorded transactions: 0 open-market purchases and 11 open-market sales ($34.17M) across all tracked filings.
Where can I see all of Carl Russo's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Carl Russo profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.