FIXComfort Systems USA, Inc.
Industrials · Engineering & ConstructionNYSEStockMkt cap $58.1B
Disclosed trades
30
0 in 30d · 0 in 90d
Politicians
4
Last trade Mar 27, 2026
Buys
29
$232K at range midpoints
Sells
1
$8K at range midpoints
Closing price · 365 days
Nov 6, 2025 – Nov 5, 2026
Monthly buys vs sells · 24 months
Counts of disclosed transactions
- Buys
- Sells (incl. partial)
Politicians who traded it
3 hold it now Estimated
| Politician | Seat | Trades | Buys | Sells | Bought (mid) | Sold (mid) | Last trade | Est. position Estimated |
|---|---|---|---|---|---|---|---|---|
| RMichael T. McCaul | House · TX-10 | 26 | 26 | 0 | $208K | $0 | Feb 27, 2020 | $4.2M |
| RByron Donalds | House · FL-19 | 2 | 2 | 0 | $16K | $0 | Dec 4, 2025 | $15.4K |
| RAlan Armstrong | Senate · OK | 1 | 1 | 0 | $8K | $0 | Mar 27, 2026 | $5.6K |
| RRobert P. Bresnahan, Jr. | House · PA-08 | 1 | 0 | 1 | $0 | $8K | Jan 13, 2025 | — |
Recent trades
| Politician | Ticker | Asset | Type | Owner | Amount | vs S&P Estimated | Traded | Filed | Source |
|---|---|---|---|---|---|---|---|---|---|
| RAlan Armstrong | FIX | Comfort Systems USA, Inc. Common Stock | Buy | Self | $1,001 - $15,000 | -43.5% | Mar 27, 2026 | Jul 21, 2026116d | Filing |
| RByron Donalds | FIX | Comfort Systems USA, Inc. Common Stock (FIX) | Buy | Spouse | $1,001 - $15,000 | -13.1% | Dec 4, 2025 | Jan 7, 202634d | Filing |
| RByron Donalds | FIX | Comfort Systems USA, Inc. Common Stock (FIX) | Buy | Self | $1,001 - $15,000 | -13.1% | Dec 4, 2025 | Jan 7, 202634d | Filing |
| RRobert P. Bresnahan, Jr. | FIX | Comfort Systems USA, Inc. Common Stock (FIX) | Sell | Joint | $1,001 - $15,000 | -124.0% | Jan 13, 2025 | Feb 13, 202531d | Filing |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Self | $1,001 - $15,000 | +2714.8% | Feb 27, 2020 | May 6, 202069d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Dependent | $1,001 - $15,000 | +2714.8% | Feb 26, 2020 | May 6, 202070d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems UsA, Ing. | Buy | Dependent | $1,001 - $15,000 | +2714.8% | Feb 25, 2020 | May 6, 202071d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | BuyReview | Unknown | $1,001 - $15,000 | +2714.8% | Feb 24, 2020 | May 6, 202072d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Dependent | $1,001 - $15,000 | +2714.8% | Feb 20, 2020 | May 6, 202076d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems UsA, Inc. | Buy | Dependent | $1,001 - $15,000 | +2714.8% | Feb 18, 2020 | May 6, 202078d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Dependent | $1,001 - $15,000 | +2714.8% | Feb 14, 2020 | May 6, 202082d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | BuyReview | Unknown | $1,001 - $15,000 | +2714.8% | Feb 14, 2020 | May 6, 202082d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Dependent | $1,001 - $15,000 | +2714.8% | Feb 13, 2020 | May 6, 202083d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | BuyReview | Unknown | $1,001 - $15,000 | +2714.8% | Feb 13, 2020 | May 6, 202083d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Dependent | $1,001 - $15,000 | +2714.8% | Feb 12, 2020 | May 6, 202084d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | BuyReview | Unknown | $1,001 - $15,000 | +2714.8% | Feb 12, 2020 | May 6, 202084d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Dependent | $1,001 - $15,000 | +2714.8% | Feb 11, 2020 | May 6, 202085d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Dependent | $1,001 - $15,000 | +2714.8% | Feb 10, 2020 | May 6, 202086d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Dependent | $1,001 - $15,000 | +2868.6% | Feb 27, 2020 | Apr 20, 202053d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | BuyReview | Unknown | $1,001 - $15,000 | +2868.6% | Feb 26, 2020 | Apr 20, 202054d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Spouse | $1,001 - $15,000 | +2868.6% | Feb 24, 2020 | Apr 20, 202056d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | BuyReview | Dependent | $1,001 - $15,000 | +2868.6% | Feb 21, 2020 | Apr 20, 202059d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems UsA, Inc | Buy | Dependent | $1,001 - $15,000 | +2868.6% | Feb 19, 2020 | Apr 20, 202061d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | BuyReview | Unknown | $1,001 - $15,000 | +2868.6% | Feb 19, 2020 | Apr 20, 202061d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Dependent | $1,001 - $15,000 | +2868.6% | Feb 18, 2020 | Apr 20, 202062d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Spouse | $1,001 - $15,000 | +2868.6% | Feb 18, 2020 | Apr 20, 202062d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Dependent | $1,001 - $15,000 | +2868.6% | Feb 14, 2020 | Apr 20, 202066d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Dependent | $1,001 - $15,000 | +2868.6% | Feb 11, 2020 | Apr 20, 202069d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | Buy | Spouse | $1,001 - $15,000 | +2868.6% | Feb 11, 2020 | Apr 20, 202069d | FilingOCR |
| RMichael T. McCaul | FIX | Comfort Systems USA, Inc. | BuyReview | Unknown | $1,001 - $15,000 | +2868.6% | Feb 10, 2020 | Apr 20, 202070d | FilingOCR |
Insider activity Filed
Insiders
17
Electrical Work
Open-market buys · 90d
0
$0 bought
Open-market sells · 90d
4
$43.2M sold
Net · 90d
-$43.2M
-$171.8M net over 12 months · last Aug 26, 2026
| Date | Insider | Kind | Security | Shares | Price | Value | Post-holdings | D/I | 10b5-1 | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 26, 2026filed Aug 27, 2026 | Brian E. LaneCHIEF EXECUTIVE OFF. | Sale | Common Stock | −16,024 | $1,608.21 | $25,769,923 | 145,065 | D | — | 4 |
| Aug 17, 2026filed Aug 18, 2026 | William George IIICHIEF FINANCIAL OFFICER | Sale | Common Stock | −2,554 | $1,859.65 | $4,749,549 | 30,250 | D | — | 4 |
| Aug 11, 2026filed Aug 12, 2026 | Franklin Myers | Sale | Common Stock | −4,000 | $1,693.92 | $6,775,691 | 8,495 | I | — | 4 |
| Aug 10, 2026filed Aug 12, 2026 | Franklin Myers | Sale | Common Stock | −3,500 | $1,690.47 | $5,916,647 | 58,615 | D | — | 4 |
| Jun 24, 2026filed Jun 26, 2026 | Franklin Myers | Sale | Common Stock | −6,700 | $1,954.47 | $13,094,949 | 62,115 | D | — | 4 |
| May 27, 2026filed May 28, 2026 | Rhoman J Hardy | Sale | Common Stock | −342 | $1,900.08 | $649,827 | 1,889.92 | D | — | 4 |
| May 21, 2026filed May 22, 2026 | Franklin Myers | Gift | Common Stock | −273 | $0.00 | $0 | 68,815 | D | — | 4 |
| May 18, 2026filed May 19, 2026 | Darcy Anderson | Award | Common Stock | 105 | $0.00 | $0 | 18,140 | D | — | 4 |
| May 18, 2026filed May 19, 2026 | Franklin Myers | Award | Common Stock | 105 | $0.00 | $0 | 69,088 | D | — | 4 |
| May 18, 2026filed May 19, 2026 | Herman E Bulls | Award | Common Stock | 105 | $0.00 | $0 | 29,879 | D | — | 4 |
Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4. Net figures count open-market buys minus open-market sales only (awards, exercises, withholding and gifts are excluded).
Unusual activity Estimated
- 51Exec salePublic Aug 27, 2026 · traded Aug 26, 2026
FIX CEO Brian E. Lane sold $25.8M
Details
- Insider
- Brian E. Lane
- Company
- COMFORT SYSTEMS USA INC
- Ticker
- FIX
- Tx kind
- open_market_sale
- Traded
- Aug 26, 2026
- Shares
- 16,024
- Price
- $1,608
- Value
- $25.8M
- Is 10b5 1
- No
- Filed
- Aug 27, 2026
- Public from
- Aug 27, 2026
- Method version
- 2026-11-03
- 74Hindsight movePublic Jul 21, 2026 · traded Mar 27, 2026
FIX rose 49% in the 30 trading days after Sen. Alan Armstrong's buy (hindsight)
Details
- Politician
- Alan Armstrong
- Ticker
- FIX
- Asset
- Comfort Systems USA, Inc. Common Stock
- Tx type
- buy
- Traded
- Mar 27, 2026
- Filed
- Jul 21, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 116
- Owner type
- self
- Is whale
- No
- Entry date
- Mar 27, 2026
- Entry close
- 1,366.77
- Exit date
- May 11, 2026
- Exit close
- 2,032.98
- Forward return
- +48.7%
- Sign adjusted return
- +48.7%
- N trading days
- 30
- Hindsight
- Yes
- Measured from
- trade date
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
- 65Insider overlapPublic Jul 21, 2026 · traded Mar 27, 2026
Sen. Alan Armstrong bought FIX 30 days after its CEO sold $13.6M
Details
- Politician
- Alan Armstrong
- Ticker
- FIX
- Asset
- Comfort Systems USA, Inc. Common Stock
- Tx type
- buy
- Traded
- Mar 27, 2026
- Filed
- Jul 21, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 116
- Owner type
- self
- Is whale
- No
- Insider trade
- {"insider":{"slug":"brian-e-lane","name":"Brian E. Lane","title":"CHIEF EXECUTIVE OFF.","short_title":"CEO"},"company":"COMFORT SYSTEMS USA INC","ticker":"FIX","tx_kind":"open_market_sale","tx_date":"2026-02-25","shares":9365,"price":1453.1168,"value":13608438.83,"is_10b5_1":false,"filing_date":"2026-02-26"}
- Days between
- 30
- Opposite side
- Yes
- Public from
- Jul 21, 2026
- Method version
- 2026-11-03
- 43Exec salePublic May 12, 2026 · traded May 8, 2026
FIX CFO William George III sold $7.8M
Details
- Insider
- William George III
- Company
- COMFORT SYSTEMS USA INC
- Ticker
- FIX
- Tx kind
- open_market_sale
- Traded
- May 8, 2026
- Shares
- 4,000
- Price
- $1,948
- Value
- $7.8M
- Is 10b5 1
- No
- Filed
- May 12, 2026
- Public from
- May 12, 2026
- Method version
- 2026-11-03
- 50Exec salePublic May 6, 2026 · traded May 5, 2026
FIX CEO Brian E. Lane sold $21.9M
Details
- Insider
- Brian E. Lane
- Company
- COMFORT SYSTEMS USA INC
- Ticker
- FIX
- Tx kind
- open_market_sale
- Traded
- May 5, 2026
- Shares
- 11,113
- Price
- $1,970
- Value
- $21.9M
- Is 10b5 1
- No
- Filed
- May 6, 2026
- Public from
- May 6, 2026
- Method version
- 2026-11-03
- 47Exec salePublic Feb 26, 2026 · traded Feb 25, 2026
FIX CEO Brian E. Lane sold $13.6M
Details
- Insider
- Brian E. Lane
- Company
- COMFORT SYSTEMS USA INC
- Ticker
- FIX
- Tx kind
- open_market_sale
- Traded
- Feb 25, 2026
- Shares
- 9,365
- Price
- $1,453
- Value
- $13.6M
- Is 10b5 1
- No
- Filed
- Feb 26, 2026
- Public from
- Feb 26, 2026
- Method version
- 2026-11-03
- 46Exec salePublic Feb 24, 2026 · traded Feb 23, 2026
FIX CFO William George III sold $12.9M
Details
- Insider
- William George III
- Company
- COMFORT SYSTEMS USA INC
- Ticker
- FIX
- Tx kind
- open_market_sale
- Traded
- Feb 23, 2026
- Shares
- 9,000
- Price
- $1,435
- Value
- $12.9M
- Is 10b5 1
- No
- Filed
- Feb 24, 2026
- Public from
- Feb 24, 2026
- Method version
- 2026-11-03
- 65Insider overlapPublic Jan 7, 2026 · traded Dec 4, 2025
Rep. Byron Donalds's spouse bought FIX 3 days after its CFO sold $4.2M
Details
- Politician
- Byron Donalds
- Ticker
- FIX
- Asset
- Comfort Systems USA, Inc. Common Stock (FIX)
- Tx type
- buy
- Traded
- Dec 4, 2025
- Filed
- Jan 7, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 34
- Owner type
- spouse
- Is whale
- No
- Insider trade
- {"insider":{"slug":"william-george-iii","name":"William George III","title":"CHIEF FINANCIAL OFFICER","short_title":"CFO"},"company":"COMFORT SYSTEMS USA INC","ticker":"FIX","tx_kind":"open_market_sale","tx_date":"2025-12-01","shares":4370,"price":958.8785,"value":4190299.04,"is_10b5_1":false,"filing_date":"2025-12-03"}
- Days between
- 3
- Opposite side
- Yes
- Public from
- Jan 7, 2026
- Method version
- 2026-11-03
- 65Insider overlapPublic Jan 7, 2026 · traded Dec 4, 2025
Rep. Byron Donalds bought FIX 3 days after its CFO sold $4.2M
Details
- Politician
- Byron Donalds
- Ticker
- FIX
- Asset
- Comfort Systems USA, Inc. Common Stock (FIX)
- Tx type
- buy
- Traded
- Dec 4, 2025
- Filed
- Jan 7, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Range midpoint (estimate)
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 34
- Owner type
- self
- Is whale
- No
- Insider trade
- {"insider":{"slug":"william-george-iii","name":"William George III","title":"CHIEF FINANCIAL OFFICER","short_title":"CFO"},"company":"COMFORT SYSTEMS USA INC","ticker":"FIX","tx_kind":"open_market_sale","tx_date":"2025-12-01","shares":4370,"price":958.8785,"value":4190299.04,"is_10b5_1":false,"filing_date":"2025-12-03"}
- Days between
- 3
- Opposite side
- Yes
- Public from
- Jan 7, 2026
- Method version
- 2026-11-03
- 42Exec salePublic Nov 25, 2025 · traded Nov 24, 2025
FIX CEO Brian E. Lane sold $6.8M
Details
- Insider
- Brian E. Lane
- Company
- COMFORT SYSTEMS USA INC
- Ticker
- FIX
- Tx kind
- open_market_sale
- Traded
- Nov 24, 2025
- Shares
- 7,158
- Price
- $948
- Value
- $6.8M
- Is 10b5 1
- No
- Filed
- Nov 25, 2025
- Public from
- Nov 25, 2025
- Method version
- 2026-11-03