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Carl Russo - DirectorOpen-market sale$2.71M- Carl Russo
About CALIX, INC (CALX)
CALIX, INC is an SEC registrant, filing under CIK 0001406666, classified as communications services, nec. We track it alongside the rest of the Communication Services sector.
CALX Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 1 | 17,603 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
CALX insider transactions (Form 4)
4446 Form 4 filings on record, the earliest from Nov 6, 2024, newest first. Filing history page 2 of 2.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Michael Weening - Officer | Option exercise | Common Stock | 150,000 | $7.84 | $1.18M | |
| Michael Weening - Officer | Open-market sale | Common Stock | 150,000 | $62.00 | $9.30M | |
| Michael Weening - Officer | Option exercise | Common Stock | 7,990 | $7.84 | $63K | |
| Michael Weening - Officer | Open-market sale | Common Stock | 7,990 | $63.00 | $503K | |
| Michael Weening - Officer | Option exercise | Common Stock | 18,010 | $7.84 | $141K | |
| Michael Weening - Officer | Open-market sale | Common Stock | 18,010 | $63.00 | $1.13M | |
| Michael Weening - Officer | Option exercise | Stock Option (right to buy) | 150,000 | $0.00 | - | |
| Michael Weening - Officer | Option exercise | Stock Option (right to buy) | 7,990 | $0.00 | - | |
| Michael Weening - Officer | Option exercise | Stock Option (right to buy) | 18,010 | $0.00 | - | |
| Michael Weening - Officer | Option exercise | Common Stock | 24,000 | $7.84 | $188K | |
| Michael Weening - Officer | Open-market sale | Common Stock | 24,000 | $60.00 | $1.44M | |
| Michael Weening - Officer | Option exercise | Stock Option (right to buy) | 24,000 | $0.00 | - | |
| Michael Weening - Officer | Option exercise | Common Stock | 126,000 | $7.84 | $988K | |
| Michael Weening - Officer | Open-market sale | Common Stock | 126,000 | $60.00 | $7.56M | |
| Michael Weening - Officer | Option exercise | Stock Option (right to buy) | 126,000 | $0.00 | - | |
 Cory Sindelar - Officer | Option exercise | Common Stock | 10,000 | $5.05 | $51K | |
| Cory Sindelar - Officer | Open-market sale | Common Stock | 10,000 | $60.00 | $600K | |
| Cory Sindelar - Officer | Option exercise | Stock Option (right to buy) | 10,000 | $0.00 | - | |
| Michael Weening - Officer | Grant or award | Common Stock | 305 | $33.69 | $10K | |
| Cory Sindelar - Officer | Grant or award | Common Stock | 270 | $33.69 | $9K | |
| Michael Weening - Officer | Option exercise | Common Stock | 74,000 | $8.03 | $594K | |
| Michael Weening - Officer | Open-market sale | Common Stock | 74,000 | $57.00 | $4.22M | |
| Michael Weening - Officer | Option exercise | Stock Option (right to buy) | 74,000 | $0.00 | - | |
| Carl Russo - Director | Open-market sale | Common Stock | 25,000 | $55.40 | $1.38M | |
| Cory Sindelar - Officer | Option exercise | Common Stock | 10,000 | $5.05 | $51K | |
| Cory Sindelar - Officer | Open-market sale | Common Stock | 10,000 | $56.00 | $560K | |
| Cory Sindelar - Officer | Option exercise | Stock Option (right to buy) | 10,000 | $0.00 | - | |
| Michael Weening - Officer | Option exercise | Common Stock | 92,000 | $5.95 | $547K | |
| Michael Weening - Officer | Open-market sale | Common Stock | 92,000 | $55.00 | $5.06M | |
| Michael Weening - Officer | Option exercise | Common Stock | 92,000 | $5.95 | $547K | |
| Michael Weening - Officer | Open-market sale | Common Stock | 92,000 | $56.00 | $5.15M | |
| Michael Weening - Officer | Option exercise | Common Stock | 16,000 | $8.03 | $128K | |
| Michael Weening - Officer | Open-market sale | Common Stock | 16,000 | $57.00 | $912K | |
| Michael Weening - Officer | Option exercise | Stock Option (right to buy) | 92,000 | $0.00 | - | |
| Michael Weening - Officer | Option exercise | Stock Option (right to buy) | 92,000 | $0.00 | - | |
| Michael Weening - Officer | Option exercise | Stock Option (right to buy) | 16,000 | $0.00 | - | |
| Carl Russo - Director | Grant or award | Stock Options (right to buy) | 11,561 | $0.00 | - | |
| Cory Sindelar - Officer | Option exercise | Common Stock | 10,000 | $5.05 | $51K | |
| Cory Sindelar - Officer | Open-market sale | Common Stock | 10,000 | $52.00 | $520K | |
| Cory Sindelar - Officer | Option exercise | Stock Option (right to buy) | 10,000 | $0.00 | - | |
| Michael J. Berry - Director | Grant or award | Common Stock | 4,689 | $0.00 | - | |
| Kathleen M. Crusco - Director | Grant or award | Common Stock | 4,689 | $0.00 | - | |
| Christopher J. Bowick - Director | Grant or award | Common Stock | 4,689 | $0.00 | - | |
| Carl Russo - Director | Open-market sale | Common Stock | 25,000 | $35.42 | $886K |
Recent CALX Form 144 notices of proposed sale
2An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - |
CALX insider trading FAQ
What is the latest insider trade for CALX?
CALIX, INC (CALX) had 1 insider filing in the last 90 days, with the most recent on 29 September 2026. The full record for CALX runs to 46 Form 4 filings, the earliest from 6 November 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying CALX stock?
No insider purchases of CALX were filed in the last 90 days.
How many insiders are selling CALX stock?
No insider sales of CALX were filed in the last 90 days. 31 sales are on record for this company.
Where can I see CALX SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects CALX Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Communication Services companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Carl Russo view on EDGAR
- - Carl Russo view on EDGAR
- - Carl Russo view on EDGAR
- - Christopher J. Bowick view on EDGAR
- - Michael J. Berry view on EDGAR
- - Rajatish Mukherjee view on EDGAR
- - Wade Oosterman view on EDGAR
- - Kevin Robert Peters view on EDGAR
- - Kathleen M. Crusco view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Communication Services
- Where CALX's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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- Every CALX Form 4 filing on record
- Up to 3 months of CALX price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
