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Company Analysis

CALX Insider Trading

CALIX, INC | Communications Services, NEC

Comprehensive Trading Performance Summary

The investment history of corporate insiders at CALIX, INC provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Communications Services, NEC sector.

Transactions on Chart

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Filing Date Trade Date Reporting Person Relationship Type Price Qty Total, $ Owned After Change, %
2018-11-30 00:16 2018-05-14 Matthews Michael Director SELL $7.39 22,000 $162,628 92,260 -19.3%
2018-11-17 00:35 2018-11-14 SINDELAR CORY Officer - Chief Financial Officer BUY $10.50 5,000 $52,500 40,000 +14.3%
2018-11-10 00:41 2018-11-08 LISTWIN DONALD J Director BUY $9.80 12,500 $122,500 680,820 +1.9%
2018-10-04 04:41 2018-10-01 BOWICK CHRISTOPHER J Director SELL $7.96 9,160 $72,883 84,621 -9.8%
2018-08-20 23:18 2018-08-16 DENUCCIO KEVIN A Director BUY $6.98 38,500 $268,607 224,655 +20.7%
2018-08-20 23:20 2018-08-16 SINDELAR CORY Officer - Chief Financial Officer BUY $6.85 3,000 $20,550 35,000 +9.4%
2018-08-16 23:38 2018-08-14 SINDELAR CORY Officer - Chief Financial Officer BUY $7.05 12,000 $84,616 32,000 +60.0%
2018-08-14 00:12 2018-08-10 LISTWIN DONALD J Director BUY $6.88 12,500 $85,965 668,320 +1.9%
2018-05-16 04:05 2018-05-11 PLANTS J DANIEL Director BUY $6.39 139,250 $889,808 1,153,044 +13.7%
2018-02-27 04:09 2018-02-23 CHEUNG SHEILA Officer - VP, Finance & Accounting SELL $6.98 979 $6,833 0 -100.0%
2017-12-01 05:05 2017-11-28 SINDELAR CORY Officer - Chief Financial Officer BUY $6.84 10,974 $75,019 20,000 +121.6%
2017-11-23 04:07 2017-11-22 CHEUNG SHEILA Officer - VP, Finance & Accounting OPT+S $6.91 1,033 $7,138 0 0.0%
2017-09-01 03:08 2017-08-30 CHEUNG SHEILA Officer - VP, Finance & Accounting SELL $4.85 1,033 $5,010 0 -100.0%
2017-08-25 03:04 2017-08-22 SINDELAR CORY Officer - interim CFO & PFO BUY $4.82 9,026 $43,477 9,026 +100.0%
2017-05-23 02:33 2017-05-18 CHEUNG SHEILA Officer - VP, Finance & Accounting SELL $6.67 414 $2,761 0 -100.0%
2017-05-23 02:37 2017-05-18 DENUCCIO KEVIN A Director BUY $6.69 20,000 $133,800 152,835 +15.1%
2017-03-03 04:18 2017-02-28 Atkins William J Officer - Executive VP and CFO SELL $7.00 16,318 $114,226 6,000 -73.1%
2017-01-14 04:03 2017-01-12 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.95 16 $111 3,328,381 +0.0%
2016-11-11 04:21 2016-11-08 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.87 2,593 $17,822 3,328,365 +0.1%
2016-11-09 02:50 2016-11-04 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.69 3,000 $20,055 3,325,772 +0.1%
2016-11-09 02:49 2016-11-07 CHEUNG SHEILA Officer - VP, Finance & Accounting SELL $6.75 2,000 $13,500 0 -100.0%
2016-11-04 04:25 2016-11-02 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.77 3,000 $20,295 3,322,772 +0.1%
2016-11-02 04:56 2016-10-31 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.40 3,000 $19,185 3,319,772 +0.1%
2016-10-29 03:38 2016-10-27 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.43 3,000 $19,275 3,316,772 +0.1%
2016-10-28 03:05 2016-10-25 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.67 3,000 $19,995 3,313,772 +0.1%
2016-10-26 03:06 2016-10-21 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.68 3,000 $20,025 3,310,772 +0.1%
2016-10-22 02:47 2016-10-19 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.76 3,000 $20,265 3,307,772 +0.1%
2016-10-20 03:55 2016-10-17 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.66 3,000 $19,965 3,304,772 +0.1%
2016-10-15 04:23 2016-10-13 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.93 3,000 $20,775 3,301,772 +0.1%
2016-10-14 02:32 2016-10-11 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.97 3,000 $20,910 3,298,772 +0.1%
2016-09-29 03:48 2016-09-26 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.92 1,197 $8,283 3,295,772 +0.0%
2016-09-27 03:15 2016-09-22 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.92 3,000 $20,745 3,294,575 +0.1%
2016-09-22 18:23 2016-09-20 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.97 3,000 $20,895 3,291,575 +0.1%
2016-09-20 03:01 2016-09-16 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.99 3,000 $20,955 3,288,575 +0.1%
2016-09-15 21:55 2016-09-13 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.99 1,500 $10,485 3,285,575 +0.0%
2016-07-23 04:06 2016-07-20 Russo Carl Director, Officer, 10% owner - President & CEO BUY $7.72 3,029 $23,381 3,284,075 +0.1%
2016-07-20 03:09 2016-07-15 Russo Carl Director, Officer, 10% owner - President & CEO BUY $7.55 4,500 $33,975 3,281,046 +0.1%
2016-07-15 03:22 2016-07-12 Russo Carl Director, Officer, 10% owner - President & CEO BUY $7.58 4,500 $34,125 3,276,546 +0.1%
2016-07-12 03:55 2016-07-07 Russo Carl Director, Officer, 10% owner - President & CEO BUY $7.30 4,500 $32,865 3,272,046 +0.1%
2016-07-07 03:38 2016-07-01 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.97 4,500 $31,350 3,267,546 +0.1%
2016-07-01 03:17 2016-06-29 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.68 3,000 $20,040 3,263,046 +0.1%
2016-06-29 03:11 2016-06-24 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.71 4,500 $30,210 3,260,046 +0.1%
2016-06-24 01:21 2016-06-21 Russo Carl Director, Officer, 10% owner - President & CEO BUY $7.07 4,500 $31,830 3,255,546 +0.1%
2016-06-21 03:15 2016-06-16 Russo Carl Director, Officer, 10% owner - President & CEO BUY $7.03 4,500 $31,650 3,251,046 +0.1%
2016-06-16 04:22 2016-06-13 Russo Carl Director, Officer, 10% owner - President & CEO BUY $6.80 4,500 $30,600 3,246,546 +0.1%
2014-12-03 05:03 2014-12-01 Russo Carl Director, Officer, 10% owner - President & CEO SELL $10.27 25,000 $256,750 3,185,924 -0.8%
2014-09-05 00:27 2014-09-02 Russo Carl Director, Officer, 10% owner - President & CEO SELL $10.46 25,000 $261,500 3,210,924 -0.8%
2014-08-06 04:35 2014-08-04 Banta Tony Officer - SVP, Global Mfg & Supply SELL $9.04 30,726 $277,831 10,000 -75.4%
2014-03-07 02:16 2014-03-04 Russo Carl Director, Officer, 10% owner - President & CEO SELL $8.01 25,000 $200,250 3,260,924 -0.8%
2014-02-20 04:54 2014-02-18 LISTWIN DONALD J Director BUY $7.80 13,000 $101,400 688,000 +1.9%
SHOW ENTRIES

How to Interpret $CALX Trades

Not every insider transaction in CALIX, INC is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $CALX shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.

Data Source & Accuracy for CALX

Insider activity data for CALIX, INC is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $CALX, allowing you to follow the capital of those with the most intimate knowledge of the company.

UNDERSTANDING THE DATA

FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.

TRADE DATE: The actual day the insider executed the purchase or sale in the market.

INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.

OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.

CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.

TRADE TYPES DEFINITIONS

BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.

SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.

OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.