The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Feb 8, 2013 | Listwin Donald J | Director | Buy(P) | 25K | $8.01 | $200K |
| Dec 23, 2012 | Calix, Inc | President and CEO, Director, 10% Owner | Tax withholding(F) | 117K | $7.37 | $863K |
| Dec 23, 2012 | Russo Carl | President and CEO, Director, 10% Owner | Tax withholding(F) | 117K | $7.37 | $863K |
| Dec 12, 2012 | Calix, Inc | President and CEO, Director, 10% Owner | Gift(G) | 211K | — | $0 |
| Dec 12, 2012 | Calix, Inc | President and CEO, Director, 10% Owner | Gift(G) | 211K | — | $0 |
| Dec 12, 2012 | Russo Carl | President and CEO, Director, 10% Owner | Gift(G) | 211K | — | $0 |
| Dec 12, 2012 | Russo Carl | President and CEO, Director, 10% Owner | Gift(G) | 211K | — | $0 |
| Nov 15, 2012 | Listwin Donald J | Director | Buy(P) | 25K | $5.66 | $142K |
| Oct 16, 2012 | Weingarth Roger | Executive VP and COO | Option exercise(M) | 160 | $0.66 | $106 |
| Oct 16, 2012 | Weingarth Roger | Executive VP and COO | Option exercise(M) | 160 | — | $0 |
| Sep 27, 2012 | Denuccio Kevin A | Director | Grant(A) | 31K | — | $0 |
| Sep 10, 2012 | Ashby Michael | Executive VP and CFO, Director | Buy(P) | 50K | $5.57 | $279K |
| Sep 5, 2012 | Listwin Donald J | Director | Buy(P) | 31K | $5.18 | $161K |
| Jul 24, 2012 | Everett Michael T | Director | Grant(A) | 13K | — | $0 |
| Jul 24, 2012 | Flynn Michael T | Director | Grant(A) | 13K | — | $0 |
| Jul 24, 2012 | Grosser Adam | Director | Grant(A) | 13K | — | $0 |
| Jul 24, 2012 | Listwin Donald J | Director | Grant(A) | 13K | — | $0 |
| Jul 24, 2012 | Matthews Michael | Director | Grant(A) | 13K | — | $0 |
| Jul 24, 2012 | Pardun Thomas E | Director | Grant(A) | 13K | — | $0 |
| Jul 20, 2012 | Banta Tony | SVP, Global Mfg & Supply | Tax withholding(F) | 3K | $5.45 | $15K |
| Jul 20, 2012 | Banta Tony | SVP, Global Mfg & Supply | Tax withholding(F) | 4K | $5.45 | $20K |
| Jul 20, 2012 | Colvin John | VP, North American Field Ops | Tax withholding(F) | 2K | $5.45 | $10K |
| Jul 20, 2012 | Colvin John | VP, North American Field Ops | Tax withholding(F) | 3K | $5.45 | $15K |
| Jul 20, 2012 | Weingarth Roger | Executive VP and COO | Tax withholding(F) | 8K | $5.45 | $45K |
| Jul 20, 2012 | Weingarth Roger | Executive VP and COO | Tax withholding(F) | 8K | $5.45 | $45K |
| Jul 20, 2012 | Pope Kevin | SVP, Product Development | Tax withholding(F) | 3K | $5.45 | $15K |
| Jul 20, 2012 | Pope Kevin | SVP, Product Development | Tax withholding(F) | 4K | $5.45 | $20K |
| Apr 22, 2012 | Banta Tony | SVP, Global Mfg & Supply | Tax withholding(F) | 6K | $6.90 | $39K |
| Feb 23, 2012 | Pope Kevin | SVP, Product Development | Grant(A) | 20K | — | $0 |
| Feb 23, 2012 | Ashby Michael | Executive VP and CFO, Director | Grant(A) | 55K | — | $0 |
| Feb 23, 2012 | Banta Tony | SVP, Global Mfg. & Supply | Grant(A) | 20K | — | $0 |
| Feb 23, 2012 | Weingarth Roger | Executive VP and COO | Grant(A) | 55K | — | $0 |
| Feb 23, 2012 | Colvin John | VP, North American Field Ops | Grant(A) | 20K | — | $0 |
| Feb 23, 2012 | Lockhart Andy Glen | SVP, Int'l Sales and Marketing | Grant(A) | 40K | — | $0 |
| Nov 22, 2011 | Lockhart Andy Glen | SVP, International Field Ops | Buy(P) | 5K | $7.97 | $40K |
| Nov 21, 2011 | Lockhart Andy Glen | SVP, International Field Ops | Buy(P) | 5K | $7.98 | $40K |
| Oct 18, 2011 | Pardun Thomas E | Director | Grant(A) | 793 | — | $0 |
| Oct 18, 2011 | Pardun Thomas E | Director | Grant(A) | 2K | — | $0 |
| Sep 1, 2011 | Ashby Michael | Executive VP and CFO, Director | Sell(S) | 5K | $14.58 | $73K |
| Aug 1, 2011 | Ashby Michael | Executive VP and CFO, Director | Sell(S) | 10K | $18.12 | $181K |
| Jul 20, 2011 | Banta Tony | SVP, Manufacturing Operations | Tax withholding(F) | 4K | $21.67 | $76K |
| Jul 20, 2011 | Weingarth Roger | Executive VP and COO | Tax withholding(F) | 11K | $21.67 | $228K |
| Jul 20, 2011 | Colvin John | VP, North American Field Ops | Tax withholding(F) | 2K | $21.67 | $40K |
| Jul 20, 2011 | Pope Kevin | SVP, Product Development | Tax withholding(F) | 4K | $21.67 | $76K |
| Jul 19, 2011 | Banta Tony | SVP, Manufacturing Operations | Grant(A) | 40K | — | $0 |
| Jul 19, 2011 | Weingarth Roger | Executive VP and COO | Grant(A) | 90K | — | $0 |
| Jul 19, 2011 | Matthews Michael | Director | Grant(A) | 1K | — | $0 |
| Jul 19, 2011 | Matthews Michael | Director | Grant(A) | 3K | — | $0 |
| Jul 19, 2011 | Everett Michael T | Director | Grant(A) | 2K | — | $0 |
| Jul 19, 2011 | Everett Michael T | Director | Grant(A) | 5K | — | $0 |
| Jul 19, 2011 | Colvin John | VP, North American Field Ops | Grant(A) | 30K | — | $0 |
| Jul 19, 2011 | Flynn Michael T | Director | Grant(A) | 3K | — | $0 |
| Jul 19, 2011 | Flynn Michael T | Director | Grant(A) | 8K | — | $0 |
| Jul 19, 2011 | Grosser Adam | Director | Grant(A) | 3K | — | $0 |
| Jul 19, 2011 | Grosser Adam | Director | Grant(A) | 6K | — | $0 |
| Jul 19, 2011 | Listwin Donald J | Director | Grant(A) | 3K | — | $0 |
| Jul 19, 2011 | Listwin Donald J | Director | Grant(A) | 8K | — | $0 |
| Jul 19, 2011 | Pope Kevin | SVP, Product Development | Grant(A) | 40K | — | $0 |
| Jul 1, 2011 | Ashby Michael | Executive VP and CFO, Director | Sell(S) | 20K | $20.99 | $420K |
| Jun 1, 2011 | Ashby Michael | Executive VP and CFO, Director | Sell(S) | 20K | $21.02 | $420K |
| May 16, 2011 | Lockhart Andy Glen | SVP, International Field Ops | Grant(A) | 250K | — | $0 |
| May 6, 2011 | Weingarth Roger | Executive VP and COO | Sell(S) | 5K | $21.58 | $108K |
| May 4, 2011 | Listwin Donald J | Director | Buy(P) | 25K | $20.75 | $519K |
| May 3, 2011 | Weingarth Roger | Executive VP and COO | Tax withholding(F) | 34K | $21.38 | $719K |
| May 3, 2011 | Colvin John | VP, North American Field Ops | Tax withholding(F) | 8K | $21.38 | $164K |
| May 3, 2011 | Pope Kevin | SVP, Product Development | Tax withholding(F) | 24K | $21.38 | $509K |
| May 3, 2011 | Banta Tony | SVP, Manufacturing Operations | Tax withholding(F) | 13K | $21.38 | $271K |
| May 3, 2011 | Listwin Donald J | Director | Buy(P) | 25K | $21.19 | $530K |
| May 2, 2011 | Ashby Michael | Executive VP and CFO, Director | Sell(S) | 20K | $21.14 | $423K |
| Apr 22, 2011 | Banta Tony | SVP, Manufacturing Operations | Tax withholding(F) | 6K | $19.14 | $105K |
| Apr 22, 2011 | Lockhart Andy Glen | SVP, International Field Ops | Tax withholding(F) | 0 | — | $0 |
| Apr 4, 2011 | Weingarth Roger | Executive VP and COO | Sell(S) | 5K | $20.58 | $103K |
| Apr 1, 2011 | Ashby Michael | Executive VP and CFO, Director | Sell(S) | 30K | $20.43 | $613K |
| Mar 21, 2011 | Ashby Michael | Executive VP and CFO, Director | Grant(A) | 200K | — | $0 |
| Mar 10, 2011 | Ashby Michael | Executive VP and CFO, Director | Sell(S) | 10K | $19.05 | $191K |
| Mar 7, 2011 | Ashby Michael | Executive VP and CFO, Director | Grant(A) | 200K | — | $0 |
| Mar 1, 2011 | Brannon Kelyn | Executive VP and CFO | Sell(S) | 4K | $18.06 | $74K |
| Feb 24, 2011 | Russo Carl | President and CEO, Director, 10% Owner | Grant(A) | 100K | — | $0 |
| Feb 22, 2011 | Pardun Thomas E | Director | Grant(A) | 10K | — | $0 |
| Feb 22, 2011 | Pardun Thomas E | Director | Grant(A) | 5K | — | $0 |
| Feb 22, 2011 | Pardun Thomas E | Director | Grant(A) | 19K | — | $0 |
| Feb 22, 2011 | Pardun Thomas E | Director | Grant(A) | 121 | — | — |
| Feb 22, 2011 | Pardun Thomas E | Director | Grant(A) | 182 | — | — |
| Feb 22, 2011 | Pardun Thomas E | Director | Grant(A) | 2K | — | — |
| Feb 14, 2011 | Pope Kevin | SVP, Product Development | Sell(S) | 5K | $20.00 | $100K |
| Feb 7, 2011 | Weingarth Roger | Executive VP and COO | Sell(S) | 10K | $18.16 | $182K |
| Feb 1, 2011 | Brannon Kelyn | Executive VP and CFO | Sell(S) | 2K | $16.30 | $40K |
| Jan 26, 2011 | Listwin Donald J | Director | Option exercise(M) | 1K | $9.54 | $12K |
| Jan 26, 2011 | Listwin Donald J | Director | Option exercise(M) | 1K | — | $0 |
| Jan 10, 2011 | Weingarth Roger | EVP and COO | Option exercise(M) | 7K | $0.49 | $3K |
| Jan 10, 2011 | Weingarth Roger | EVP and COO | Option exercise(M) | 7K | — | $0 |
| Jan 6, 2011 | Brannon Kelyn | Executive VP and CFO | Gift(G) | 42K | — | $0 |
| Jan 3, 2011 | Pope Kevin | SVP, Product Development | Sell(S) | 6K | $16.82 | $100K |
| Jan 3, 2011 | Brannon Kelyn | Executive VP and CFO | Sell(S) | 3K | $16.91 | $55K |
| Jan 3, 2011 | Weingarth Roger | EVP and COO | Sell(S) | 40K | $16.89 | $676K |
| Jan 3, 2011 | Weingarth Roger | EVP and COO | Option exercise(M) | 20K | $0.49 | $10K |
| Jan 3, 2011 | Weingarth Roger | EVP and COO | Option exercise(M) | 20K | — | $0 |
| Dec 23, 2010 | Russo Carl | President & CEO, Director, 10% Owner | Tax withholding(F) | 131K | $16.86 | $2.2M |
| Dec 17, 2010 | Weingarth Roger | EVP and COO | Option exercise(M) | 13K | $0.49 | $6K |
| Dec 17, 2010 | Weingarth Roger | EVP and COO | Option exercise(M) | 13K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-04. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for CALX