Comfort Systems USA, Inc. engages in the provision of mechanical and electrical contracting services. It operates through the following segments: Mechanical, Electrical Services, and Corporate. The Mechanical Services segment includes heating, ventilation, and air conditioning, plumbing, piping, and controls, as well as off-site construction, monitoring, and fire protection. The Electrical services segment focuses on installation and servicing of electrical systems. The company was founded by Alfred J. Giardinelli, Jr. And William George III on December 12, 1996 and is headquartered in Houston, TX. |  |
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| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| BULLS HERMAN E | Director | Jun 09 '25 | Sale | 500.01 | 2,500 | 1,250,015 | 35,574 | Jun 11 04:21 PM | | BULLS HERMAN E | Director | Jun 09 '25 | Proposed Sale | 500.00 | 2,500 | 1,250,000 | | Jun 10 10:24 AM | | ANDERSON DARCY | Director | Jun 06 '25 | Sale | 506.82 | 8,000 | 4,054,589 | 26,535 | Jun 09 09:25 AM | | ANDERSON DARCY | Director | Jun 06 '25 | Proposed Sale | 499.13 | 8,000 | 3,993,040 | | Jun 06 11:26 AM | | Tang Vance W | Director | May 21 '25 | Proposed Sale | 473.74 | 3,000 | 1,421,220 | | May 21 03:10 PM | | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | May 13 '25 | Option Exercise | 36.25 | 12,500 | 453,125 | 59,973 | May 14 10:35 AM | | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | May 13 '25 | Sale | 470.11 | 12,500 | 5,876,422 | 47,473 | May 14 10:35 AM | | GEORGE WILLIAM III | Officer | May 13 '25 | Proposed Sale | 470.11 | 12,500 | 5,876,422 | | May 13 05:40 PM | | Skidmore Constance Ellen | Director | May 12 '25 | Sale | 452.98 | 1,000 | 452,980 | 13,285 | May 13 04:07 PM | | Skidmore Constance Ellen | Director | May 12 '25 | Proposed Sale | 451.00 | 1,000 | 451,000 | | May 12 01:35 PM | | Lane Brian E. | PRESIDENT/CHIEF EXECUTIVE OFF. | May 07 '25 | Sale | 431.66 | 15,000 | 6,474,874 | 198,046 | May 09 09:28 AM | | ANDERSON DARCY | Director | May 07 '25 | Sale | 431.66 | 3,000 | 1,294,989 | 34,193 | May 09 09:27 AM | | BRIAN E LANE | Officer | May 07 '25 | Proposed Sale | 431.66 | 15,000 | 6,474,874 | | May 07 04:25 PM | | ANDERSON DARCY | Director | May 07 '25 | Proposed Sale | 430.01 | 3,000 | 1,290,030 | | May 07 12:22 PM | | Mercado, Pablo G. | Director | May 05 '25 | Sale | 436.10 | 1,800 | 784,980 | 7,236 | May 06 12:47 PM | | Mercado, Pablo G. | Director | May 05 '25 | Proposed Sale | 433.13 | 1,800 | 779,634 | | May 05 03:03 PM | | Tang Vance W | Director | May 01 '25 | Sale | 422.00 | 500 | 211,000 | 4,998 | May 02 10:04 AM | | Tang Vance W | Director | Apr 28 '25 | Proposed Sale | 404.00 | 998 | 403,192 | | Apr 28 11:19 AM | | Trent T McKenna | EVP & CHIEF OPERATING OFFICER | Nov 22 '24 | Option Exercise | 39.38 | 4,000 | 157,500 | 27,990 | Nov 25 09:25 AM | | Trent T McKenna | EVP & CHIEF OPERATING OFFICER | Nov 22 '24 | Sale | 484.81 | 4,000 | 1,939,255 | 23,990 | Nov 25 09:25 AM | | Trent T McKenna | Officer | Nov 22 '24 | Proposed Sale | 484.81 | 4,000 | 1,939,255 | | Nov 22 04:35 PM | | Lane Brian E. | PRESIDENT/CHIEF EXECUTIVE OFF. | Nov 13 '24 | Sale | 448.88 | 15,000 | 6,733,188 | 204,205 | Nov 15 07:25 AM | | BRIAN E LANE | Officer | Nov 13 '24 | Proposed Sale | 448.88 | 15,000 | 6,733,188 | | Nov 13 04:09 PM | | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | Nov 08 '24 | Sale | 459.73 | 5,436 | 2,499,065 | 49,663 | Nov 12 10:36 AM | | GEORGE WILLIAM III | Officer | Nov 08 '24 | Proposed Sale | 459.73 | 5,436 | 2,499,065 | | Nov 08 05:29 PM | | Mercado, Pablo G. | Director | Nov 05 '24 | Sale | 409.46 | 2,500 | 1,023,650 | 9,036 | Nov 07 10:31 AM | | Mercado, Pablo G. | Director | Nov 05 '24 | Proposed Sale | 404.77 | 2,500 | 1,011,925 | | Nov 05 01:47 PM | | MYERS FRANKLIN | CHAIRMAN OF THE BOARD | Oct 30 '24 | Sale | 390.18 | 12,000 | 4,682,147 | 106,498 | Oct 31 04:18 PM | | MYERS FRANKLIN | Director | Oct 30 '24 | Proposed Sale | 348.54 | 12,000 | 4,182,500 | | Oct 30 12:03 PM | | Tang Vance W | Director | Oct 28 '24 | Sale | 390.00 | 2,700 | 1,053,000 | 5,498 | Oct 29 09:10 PM | | Tang Vance W | Director | Oct 28 '24 | Proposed Sale | 368.00 | 2,700 | 993,600 | | Oct 28 10:21 AM | | Shaeff Julie | CHIEF ACCOUNTING OFFICER | Aug 29 '24 | Sale | 351.85 | 2,316 | 814,881 | 16,687 | Aug 30 04:05 PM | | Shaeff Julie | Officer | Aug 29 '24 | Proposed Sale | 351.85 | 2,316 | 814,881 | | Aug 29 04:37 PM | | ANDERSON DARCY | Director | Aug 27 '24 | Sale | 336.19 | 3,546 | 1,192,123 | 37,193 | Aug 28 11:25 AM | | ANDERSON DARCY | Director | Aug 27 '24 | Proposed Sale | 337.51 | 3,546 | 1,196,810 | | Aug 27 11:27 AM | | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | Aug 20 '24 | Sale | 332.16 | 5,845 | 1,941,464 | 55,099 | Aug 21 09:21 AM | | GEORGE WILLIAM III | Officer | Aug 20 '24 | Proposed Sale | 332.16 | 5,845 | 1,941,464 | | Aug 20 04:51 PM | | Lane Brian E. | PRESIDENT/CHIEF EXECUTIVE OFF. | Aug 14 '24 | Sale | 329.55 | 15,000 | 4,943,226 | 219,205 | Aug 16 07:00 AM | | BRIAN E LANE | Officer | Aug 14 '24 | Proposed Sale | 329.55 | 15,000 | 4,943,226 | | Aug 14 04:55 PM |
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