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Company Analysis

FIX Insider Trading

COMFORT SYSTEMS USA INC | Electrical Work

Comprehensive Trading Performance Summary

The investment history of corporate insiders at COMFORT SYSTEMS USA 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 Electrical Work sector.

Transactions on Chart

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Filing Date Trade Date Reporting Person Relationship Type Price Qty Total, $ Owned After Change, %
2015-11-10 00:25 2015-11-06 MYERS FRANKLIN Director BUY $31.42 2,500 $78,550 155,000 +1.6%
2015-11-04 00:33 2015-11-03 GIARDENELLI ALFRED J JR Director SELL $31.51 5,000 $157,550 35,516 -12.3%
2015-11-04 00:26 2015-11-02 Krusi Alan Director SELL $31.58 2,000 $63,160 58,737 -3.3%
2015-09-22 18:31 2015-08-17 ANDERSON DARCY Director SELL $29.21 10,000 $292,100 43,678 -18.6%
2015-09-11 23:02 2015-09-11 MYERS FRANKLIN Director BUY $28.36 4,000 $113,440 152,500 +2.7%
2015-08-25 23:20 2015-08-24 MYERS FRANKLIN Director BUY $27.81 3,500 $97,335 148,500 +2.4%
2015-08-19 22:56 2015-08-19 MYERS FRANKLIN Director BUY $29.63 500 $14,815 145,000 +0.3%
2015-08-18 00:01 2015-05-17 ANDERSON DARCY Director SELL $29.21 10,000 $292,100 43,678 -18.6%
2015-08-12 23:25 2015-08-12 MYERS FRANKLIN Director BUY $27.90 4,500 $125,550 144,500 +3.2%
2015-08-11 23:57 2015-08-11 GIARDENELLI ALFRED J JR Director SELL $27.85 5,000 $139,250 40,516 -11.0%
2015-08-11 00:30 2015-08-10 GIARDENELLI ALFRED J JR Director SELL $30.08 10,000 $300,800 45,516 -18.0%
2015-08-10 23:25 2015-08-10 Lane Brian E. Director, Officer - President/Chief Executive Off. OPT+S $29.23 12,039 $351,900 155,706 0.0%
2015-08-10 23:23 2015-08-07 GEORGE WILLIAM III Officer - Chief Financial Officer OPT+S $28.49 48,795 $1,390,170 60,125 0.0%
2015-08-06 23:30 2015-08-06 GIARDENELLI ALFRED J JR Director SELL $29.50 5,000 $147,500 55,516 -8.3%
2015-08-06 00:30 2015-08-04 GIARDENELLI ALFRED J JR Director SELL $28.10 5,000 $140,500 60,516 -7.6%
2015-08-04 17:04 2015-08-03 Krusi Alan Director SELL $27.65 2,500 $69,125 60,737 -4.0%
2015-06-10 23:32 2015-06-10 BULLS HERMAN E Director OPT+S $23.60 10,000 $236,000 66,237 0.0%
2015-06-05 23:10 2015-06-05 Tang Vance W Director SELL $23.00 7,000 $161,000 23,737 -22.8%
2015-06-04 02:36 2015-06-03 GIARDENELLI ALFRED J JR Director SELL $23.40 4,176 $97,718 65,516 -6.0%
2015-06-04 02:35 2015-06-02 Shaeff Julie Officer - Chief Accounting Officer OPT+S $22.88 25,411 $581,404 37,065 0.0%
2015-06-02 23:47 2015-06-01 GIARDENELLI ALFRED J JR Director SELL $23.00 824 $18,952 69,692 -1.2%
2015-05-21 23:10 2015-05-20 MYERS FRANKLIN Director BUY $22.87 5,916 $135,299 140,000 +4.4%
2015-05-20 23:37 2015-05-20 Trent T McKenna Officer - SrVP, General Counsel and Secy OPT+S $22.47 22,225 $499,396 49,906 0.0%
2015-05-14 00:24 2015-05-13 GIARDENELLI ALFRED J JR Director SELL $22.36 5,000 $111,800 70,516 -6.6%
2015-05-11 23:42 2015-05-11 GIARDENELLI ALFRED J JR Director SELL $22.07 5,000 $110,350 75,516 -6.2%
2015-05-09 00:00 2015-05-08 GIARDENELLI ALFRED J JR Director SELL $21.81 15,000 $327,150 80,516 -15.7%
2015-05-08 23:57 2015-05-01 Krusi Alan Director SELL $21.04 2,500 $52,600 57,653 -4.2%
2015-05-05 00:01 2015-05-04 MYERS FRANKLIN Director BUY $21.38 3,500 $74,830 128,500 +2.8%
2015-03-12 23:13 2015-03-12 MYERS FRANKLIN Director BUY $19.24 5,000 $96,200 125,000 +4.2%
2015-03-05 01:35 2015-03-04 MYERS FRANKLIN Director BUY $18.65 7,500 $139,875 120,000 +6.7%
2015-03-04 00:07 2015-03-02 SCHULTZ JAMES H Director OPT+S $18.67 10,000 $186,700 63,153 0.0%
2015-03-04 00:05 2015-03-02 Lane Brian E. Director, Officer - President/Chief Executive Off. OPT+S $19.14 10,000 $191,400 131,346 0.0%
2015-03-04 00:03 2015-03-02 GEORGE WILLIAM III Officer - Chief Financial Officer OPT+S $18.67 28,000 $522,760 60,994 0.0%
2014-12-10 00:42 2014-12-08 GEORGE WILLIAM III Officer - Chief Financial Officer OPT+S $16.10 12,000 $193,200 80,994 0.0%
2014-11-04 01:20 2014-10-31 MYERS FRANKLIN Director BUY $15.28 2,500 $38,200 112,500 +2.3%
2014-08-20 00:03 2014-08-18 MYERS FRANKLIN Director BUY $15.04 3,647 $54,851 110,000 +3.4%
2014-03-13 00:10 2014-03-11 Murdy William F Director OPT+S $16.38 43,564 $713,448 16,222 0.0%
2013-12-19 01:39 2013-12-16 Murdy William F Director SELL $18.93 2,000 $37,860 176,222 -1.1%
2013-12-11 01:23 2013-12-06 GIARDENELLI ALFRED J JR Director SELL $20.15 20,000 $402,950 95,516 -17.3%
2013-11-28 01:15 2013-11-26 Shaeff Julie Officer - Chief Accounting Officer SELL $20.10 15,283 $307,188 56,569 -21.3%
2013-11-28 01:15 2013-11-26 SCHULTZ JAMES H Director OPT+S $20.12 10,000 $201,200 55,000 0.0%
2013-11-27 01:14 2013-11-25 BULLS HERMAN E Director OPT+S $19.58 10,000 $195,780 52,500 0.0%
2013-11-27 01:10 2013-11-25 MYERS FRANKLIN Director BUY $19.83 2,500 $49,568 95,000 +2.7%
2013-11-26 01:22 2013-11-21 Murdy William F Director SELL $20.29 400 $8,114 172,000 -0.2%
2013-11-23 01:01 2013-11-21 GIARDENELLI ALFRED J JR Director SELL $20.58 6,792 $139,779 115,516 -5.6%
2013-11-20 01:47 2013-11-18 GIARDENELLI ALFRED J JR Director SELL $20.03 38,908 $779,327 122,308 -24.1%
2013-11-20 01:46 2013-11-15 Murdy William F Director OPT+S $20.00 47,879 $957,523 172,400 0.0%
2013-11-19 02:50 2013-11-14 GIARDENELLI ALFRED J JR Director SELL $20.02 4,300 $86,099 161,216 -2.6%
2013-11-16 01:56 2013-11-12 Murdy William F Director SELL $20.10 2,500 $50,250 179,000 -1.4%
2013-11-15 01:21 2013-11-12 Murdy William F Director OPT+S $20.14 20,000 $402,720 16,222 0.0%
SHOW ENTRIES

How to Interpret $FIX Trades

Not every insider transaction in COMFORT SYSTEMS USA INC is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $FIX 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 FIX

Insider activity data for COMFORT SYSTEMS USA 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 $FIX, 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.