FIX
Comfort Systems USA insider trading
Industrials · Heavy selling
Close · Oct 5, 2026
$1,713.07
+108.0% over 12 months
Share price and insider trades
FIX closeInsider buyInsider sale
Bought, 12 months$0
Sold, 12 months$185M
Insiders buying0
Insiders selling12
Valuation, profit and volume
P/E (trailing)n/aSector median 23.1
Market value—
Profit margin—Revenue growth —
Volume vs. 50-day0.7×Last 5 sessions
Insiders' paper profit—On all tracked purchases —
Summary
Over the past 12 months, 0 Comfort Systems USA insiders reported open-market purchases totaling $0, while 12 insiders reported sales totaling $185M. 0 of 30 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales. 52 grants, option exercises and tax withholdings are not shown.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Aug 27SEC | Brian E. LaneCEO | Sell | 16,024 | $1,608.21 | $25.8M | +6.5% | — |
| Aug 18SEC | William George IIICFO | Sell | 2,554 | $1,859.65 | $4.7M | -7.9% | — |
| Aug 12SEC | Franklin MyersDirector | Sell | 4,000 | $1,693.92 | $6.8M | +1.1% | — |
| Aug 12SEC | Franklin MyersDirector | Sell | 3,500 | $1,690.47 | $5.9M | +1.3% | — |
| Jun 26SEC | Franklin MyersDirector | Sell | 6,700 | $1,954.47 | $13.1M | -12.4% | — |
| May 28SEC | Rhoman J HardyDirector | Sell | 342 | $1,900.08 | $650K | -9.8% | — |
| May 12SEC | William George IIICFO | Sell | 4,000 | $1,948.17 | $7.8M | -12.1% | — |
| May 12SEC | William George IIICFO | Sell | 1,000 | $2,020.96 | $2.0M | -15.2% | — |
| May 11SEC | Julie ShaeffChief Accounting Officer | Sell | 1,123 | $2,000.37 | $2.2M | -14.4% | — |
| May 8SEC | Franklin MyersDirector | Sell | 4,500 | $1,902.57 | $8.6M | -10.0% | — |
| May 6SEC | Brian E. LaneCEO | Sell | 11,113 | $1,969.84 | $21.9M | -13.0% | — |
| May 1SEC | Pablo G. Mercado,Director | Sell | 500 | $1,779.78 | $890K | -3.7% | — |
| Apr 30SEC | William J SandbrookDirector | Sell | 1,500 | $1,732.67 | $2.6M | -1.1% | — |
| Mar 5SEC | Darcy AndersonDirector | Sell | 4,500 | $1,369.74 | $6.2M | +25.1% | — |
| Mar 5SEC | Terrence ReedSvp & Chro | Sell | 1,116 | $1,397.33 | $1.6M | +22.6% | — |
| Mar 5SEC | Terrence ReedSvp & Chro | Sell | 671 | $1,457.17 | $978K | +17.6% | — |
| Mar 4SEC | Julie ShaeffChief Accounting Officer | Sell | 2,287 | $1,382.15 | $3.2M | +23.9% | — |
| Feb 27SEC | Franklin MyersDirector | Sell | 8,636 | $1,472.56 | $12.7M | +16.3% | — |
| Feb 26SEC | Brian E. LaneCEO, President | Sell | 9,365 | $1,453.12 | $13.6M | +17.9% | — |
| Feb 26SEC | William J SandbrookDirector | Sell | 2,500 | $1,443.32 | $3.6M | +18.7% | — |
| Feb 24SEC | William George IIICFO | Sell | 9,000 | $1,434.97 | $12.9M | +19.4% | — |
| Feb 24SEC | Constance Ellen SkidmoreDirector | Sell | 1,000 | $1,425.00 | $1.4M | +20.2% | — |
| Feb 24SEC | Pablo G. Mercado,Director | Sell | 500 | $1,405.00 | $702K | +21.9% | — |
| Dec 5SEC | Laura Finley HowellGeneral Counsel | Sell | 1,000 | $996.16 | $996K | +72.0% | — |
| Dec 3SEC | William George IIICFO | Sell | 4,370 | $958.88 | $4.2M | +78.7% | — |
| Nov 25SEC | Brian E. LaneCEO, President | Sell | 7,158 | $947.98 | $6.8M | +80.7% | — |
| Nov 3SEC | Darcy AndersonDirector | Sell | 4,000 | $958.72 | $3.8M | +78.7% | — |
| Oct 31SEC | Franklin MyersDirector | Sell | 5,000 | $1,006.68 | $5.0M | +70.2% | — |
| Oct 31SEC | Herman E BullsDirector | Sell | 2,000 | $1,013.62 | $2.0M | +69.0% | — |
| Oct 30SEC | Pablo G. Mercado,Director | Sell | 2,500 | $1,005.41 | $2.5M | +70.4% | — |
Insiders at Comfort Systems USA
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Brian E. LaneCEO | — | $68.1M | Aug 27, 2026 | — |
| Franklin MyersDirector | — | $52.1M | Aug 12, 2026 | — |
| William George IIICFO | — | $31.7M | Aug 18, 2026 | — |
| Darcy AndersonDirector | — | $10.0M | May 19, 2026 | — |
| William J SandbrookDirector | — | $6.2M | May 19, 2026 | — |
| Julie ShaeffChief Accounting Officer | — | $5.4M | May 11, 2026 | — |
| Pablo G. Mercado,Director | — | $4.1M | May 19, 2026 | — |
| Terrence ReedSvp & Chro | — | $2.5M | Apr 3, 2026 | — |
| Herman E BullsDirector | — | $2.0M | May 19, 2026 | — |
| Constance Ellen SkidmoreDirector | — | $1.4M | May 19, 2026 | — |
| Laura Finley HowellGeneral Counsel | — | $996K | Dec 5, 2025 | — |
| Rhoman J HardyDirector | — | $650K | May 28, 2026 | — |
| Gaurav KapoorDirector | — | — | May 19, 2026 | — |
| Cindy L. Wallis-lageDirector | — | — | May 19, 2026 | — |
| T Mckenna TrentCOO, President | — | — | Apr 3, 2026 | — |
| Rachel R. EslickerGeneral Counsel | — | — | Apr 3, 2026 | — |
Insider activity at other Industrials companies
Same sector, ranked by insider buying in the last 90 days.
Common questions about FIX insiders
Are Comfort Systems USA insiders buying FIX stock?
In the past 12 months, 0 insiders reported open-market purchases of FIX worth $0.
Are Comfort Systems USA insiders selling FIX stock?
12 insiders reported sales worth $185M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.