Updated Jul 16, 2026 · Last SEC filing 2026-06-26
COMFORT SYSTEMS USA INC (FIX) has filed 17 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-26. 4 Form 8-K material event filings were reported by FIX in the last 90 days. 8 Form 144 notices of proposed sale were filed for FIX stock. InsiderAlpha tracks every FIX SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001035983 |
|---|
| Form 4 filings (90d) | 17 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Form 144 notices (90d) | 8 |
| Latest Form 4 filing | 2026-06-26 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| MYERS FRANKLIN | Insider | S — Open-market sale | 6.7K | $1,954.47 | $13.09M | SEC | |
| Hardy Rhoman J | Insider | S — Open-market sale | 342 | $1,900.08 | $650K | SEC | |
| MYERS FRANKLIN | Insider | G — Bona-fide gift | 273 | $0.00 | — | SEC | |
| BULLS HERMAN E | Insider | A — Grant or award | 105 | $0.00 | — | SEC | |
| MYERS FRANKLIN | Insider | A — Grant or award | 105 | $0.00 | — | SEC | |
| Kapoor Gaurav | Insider | A — Grant or award | 105 | $0.00 | — | SEC | |
| Wallis-Lage Cindy L. | Insider | A — Grant or award | 105 | $0.00 | — | SEC | |
| Skidmore Constance Ellen | Insider | A — Grant or award | 105 | $0.00 | — | SEC | |
| SANDBROOK WILLIAM J | Insider | A — Grant or award | 105 | $0.00 | — | SEC | |
| ANDERSON DARCY | Insider | A — Grant or award | 105 | $0.00 | — | SEC | |
| Hardy Rhoman J | Insider | A — Grant or award | 105 | $0.00 | — | SEC | |
| Mercado, Pablo G. | Insider | A — Grant or award | 105 | $0.00 | — | SEC | |
| GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | S — Open-market sale | 1.0K | $2,020.96 | $2.02M | SEC | |
| Shaeff Julie | CHIEF ACCOUNTING OFFICER | S — Open-market sale | 1.1K | $2,000.37 | $2.25M | SEC | |
| GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | S — Open-market sale | 4.0K | $1,948.17 | $7.79M | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for COMFORT SYSTEMS USA INC (FIX). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| MYERS FRANKLIN | 7 | $21.66M |
| GEORGE WILLIAM III | 2 | $9.81M |
| Hardy Rhoman J | 2 | $650K |
| Mercado, Pablo G. | 2 | $890K |
| Shaeff Julie | 1 | $2.25M |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in FIX insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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