According to recent filings covering the 90 days ending December 12, 2025, the three most significant insider holders at Comfort Systems Usa are President/Chief Executive Off. Brian E. Lane (180.89K shares), Director Franklin Myers (82.63K shares), Chief Financial Officer William Iii George (37.82K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Brian E. Lane | President/Chief Executive Off. | 180,888 | 25 Nov, 2025 |
| Franklin Myers | 82,631 | 04 Dec, 2025 | |
| William Iii George | Chief Financial Officer | 37,824 | 03 Dec, 2025 |
| Herman E Bulls | 29,774 | 19 Nov, 2025 | |
| Darcy Anderson | 22,535 | 03 Nov, 2025 | |
| T Mckenna Trent | EVP & Chief Operating Officer | 21,639 | 01 Aug, 2025 |
| Vance W Tang | 17,768 | 28 Feb, 2024 | |
| Alan Krusi | 16,828 | 17 Jun, 2022 | |
| Julie Shaeff | Chief Accounting Officer | 16,023 | 13 Aug, 2025 |
| Constance Ellen Skidmore | 13,627 | 20 May, 2025 | |
| William J Sandbrook | 11,836 | 10 Sep, 2025 | |
| Laura Finley Howell | SVP & General Counsel | 7,938 | 05 Dec, 2025 |
| Cindy L. Wallis-Lage | 5,713 | 20 May, 2025 | |
| Terrence Andrew Young | Senior Vice President Service | 5,274 | 05 Apr, 2021 |
| Terrence Reed | SVP & Chro | 4,621 | 03 Apr, 2025 |
| Pablo G. Mercado, | 4,000 | 30 Oct, 2025 | |
| Rhoman J Hardy | 2,127 | 20 May, 2025 | |
| Gaurav Kapoor | 727 | 20 May, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 04 Dec, 2025 | Laura Finley Howell | Common Stock | D | 1,000 | $996.16 | 7,938 | D | S |
| 03 Dec, 2025 | Franklin Myers | Common Stock | D | 270 | $0.00 | 82,631 | D | G |
| 01 Dec, 2025 | William Iii George | Common Stock | D | 3,279 | $955.72 | 44,194 | D | F |
| 01 Dec, 2025 | William Iii George | Common Stock | D | 4,370 | $958.88 | 39,824 | D | S |
| 01 Dec, 2025 | William Iii George | Common Stock | D | 2,000 | $0.00 | 37,824 | D | G |
| 24 Nov, 2025 | Brian E. Lane | Common Stock | D | 7,158 | $947.98 | 180,888 | D | S |
| 14 Nov, 2025 | Herman E Bulls | Common Stock | D | 800 | $0.00 | 29,774 | D | G |
| 31 Oct, 2025 | Darcy Anderson | Common Stock | D | 4,000 | $958.72 | 22,535 | D | S |
| 29 Oct, 2025 | Pablo G. Mercado, | Common Stock | D | 2,500 | $1,005.41 | 4,000 | D | S |
| 29 Oct, 2025 | Herman E Bulls | Common Stock | D | 2,000 | $1,013.62 | 30,574 | D | S |
| 29 Oct, 2025 | Franklin Myers | Common Stock | D | 5,000 | $1,006.68 | 82,901 | D | S |
| 09 Sep, 2025 | William J Sandbrook | Common Stock | D | 600 | $708.97 | 12,566 | D | S |
| 09 Sep, 2025 | William J Sandbrook | Common Stock | D | 100 | $706.00 | 12,466 | D | S |
| 09 Sep, 2025 | William J Sandbrook | - | - | 12,466 | D | |||
| 10 Sep, 2025 | William J Sandbrook | Common Stock | D | 800 | $733.56 | 11,666 | D | S |
| 10 Sep, 2025 | William J Sandbrook | - | - | 11,666 | D | |||
| 27 Aug, 2025 | Herman E Bulls | Common Stock | D | 3,000 | $710.00 | 32,574 | D | S |
| 25 Aug, 2025 | William J Sandbrook | - | - | 13,166 | D | |||
| 25 Aug, 2025 | William J Sandbrook | Common Stock | D | 700 | $689.58 | 13,166 | D | S |
| 22 Aug, 2025 | Pablo G. Mercado, | Common Stock | D | 1,078 | $695.88 | 6,500 | D | S |