Company profile
Comfort Systems USA Inc Insider Trading
FIXEvery SEC Form 4 insider trading filing for Comfort Systems USA Inc (FIX) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Electrical Work
- CIK
- 0001035983
- Filings
- 168
- Insiders
- 17
- Last filing
- 2026-08-17
Activity summary
Recent insider activity is bearish. Over the last 30 days, insiders net sold $17.4M across 3 transactions.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Comfort Systems USA Inc insiders were net sellers in every quarter shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $68.6M.
90 day insight
Over the last 90 days, Comfort Systems USA Inc insiders sold $30.5M across 4 transactions with no open-market purchases.
- Most active insider: Myers Franklin with 3 transactions totaling $25.8M.
- Largest single sale: $13.1M by Myers Franklin on Jun 24, 2026.
Activity skews bearish — sales outpace buys.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 17, 2026 | George William III | FIX | Sale | 2,554 | $1859.65 | $4.75M |
| Aug 11, 2026 | Myers Franklin | FIX | Sale | 4,000 | $1693.92 | $6.78M |
| Aug 10, 2026 | Myers Franklin | FIX | Sale | 3,500 | $1690.47 | $5.92M |
| Jun 24, 2026 | Myers Franklin | FIX | Sale | 6,700 | $1954.47 | $13.09M |
| May 27, 2026 | Hardy Rhoman J | FIX | Sale | 342 | $1900.08 | $650K |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Comfort Systems USA Inc as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →