Company / CIK 0001035983
COMFORT SYSTEMS USA INC
- Ticker
- FIX
- Size, estimated from filings
- Large cap ($10B – $200B)
- Insiders on file
- 16
- Members of Congress who traded it
- 2
- Federal contracts on record
- none matched
- Lobbying filings on record
- none matched
- SEC filings
- EDGAR ↗
- Latest trade on record
- August 26, 2026
COMFORT SYSTEMS USA INC (FIX) has 16 insiders on file who disclosed 83 transactions in the last 12 months (0 open-market buys, 54 sales, about $199.7M at reported prices), and 3 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name; no lobbying filing names it as client this year.
COMFORT SYSTEMS USA INC in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
8 people account for the disclosed buying and selling in COMFORT SYSTEMS USA INC over the last 12 months; the most active is Lane Brian E. with $74M.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| MYERS FRANKLIN | CEO and President | 12 | 0 | 6 | October 19, 2026 |
| Lane Brian E. | PRESIDENT/CHIEF EXECUTIVE OFF. | 10 | 0 | 8 | August 27, 2026 |
| GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | 15 | 0 | 10 | August 18, 2026 |
| Wallis-Lage Cindy L. | Director | 1 | 0 | 0 | July 28, 2026 |
| Hardy Rhoman J | Director | 2 | 0 | 1 | June 16, 2026 |
| Skidmore Constance Ellen | Director | 2 | 0 | 1 | June 11, 2026 |
| BULLS HERMAN E | Director | 3 | 0 | 1 | May 22, 2026 |
| Mercado, Pablo G. | Director | 4 | 0 | 3 | May 19, 2026 |
| SANDBROOK WILLIAM J | Director | 3 | 0 | 2 | May 19, 2026 |
| ANDERSON DARCY | Director | 3 | 0 | 2 | May 19, 2026 |
| Kapoor Gaurav | Director | 1 | 0 | 0 | May 19, 2026 |
| Shaeff Julie | CHIEF ACCOUNTING OFFICER | 8 | 0 | 6 | May 11, 2026 |
| Reed Terrence | SVP & CHRO | 8 | 0 | 6 | April 3, 2026 |
| Trent T McKenna | PRESIDENT/CHIEF OPERATING OFF. | 6 | 0 | 4 | April 3, 2026 |
| Eslicker Rachel R. | SVP & GENERAL COUNSEL | 4 | 0 | 3 | April 3, 2026 |
| Howell Laura Finley | SVP & GENERAL COUNSEL | 1 | 0 | 1 | December 5, 2025 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded FIX
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the FIX page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Byron Donalds | Representative (FL, District 19), Republican | 2 | 2 | 0 | $2,002–$30K | December 4, 2025 |
| Alan Armstrong | Senator (OK), Republican | 1 | 1 | 0 | $1,001–$15K | March 27, 2026 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lane Brian E. | FIX | Sell S | August 26, 2026 | August 27, 2026 | 1d | 16,024 | $1,608 | $25.8M | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Sell S | August 17, 2026 | August 18, 2026 | 1d | 2,554 | $1,860 | $4.7M | Form 4 ↗ | ||
| MYERS FRANKLIN | FIX | Sell S | August 11, 2026 | August 12, 2026 | 1d | 4,000 | $1,694 | $6.8M | indirect | Form 4 ↗ | |
| MYERS FRANKLIN | FIX | Sell S | August 10, 2026 | August 12, 2026 | 2d | 3,500 | $1,690 | $5.9M | Form 4 ↗ | ||
| MYERS FRANKLIN | FIX | Sell S | June 24, 2026 | June 26, 2026 | 2d | 6,700 | $1,954 | $13.1M | Form 4 ↗ | ||
| Hardy Rhoman J | FIX | Sell S | May 27, 2026 | May 28, 2026 | 1d | 342 | $1,900 | $650K | Form 4 ↗ | ||
| MYERS FRANKLIN | FIX | Other G | May 21, 2026 | May 22, 2026 | 1d | 273 | — | — | Form 4 ↗ | ||
| ANDERSON DARCY | FIX | Other A | May 18, 2026 | May 19, 2026 | 1d | 105 | — | — | Form 4 ↗ | ||
| MYERS FRANKLIN | FIX | Other A | May 18, 2026 | May 19, 2026 | 1d | 105 | — | — | Form 4 ↗ | ||
| BULLS HERMAN E | FIX | Other A | May 18, 2026 | May 19, 2026 | 1d | 105 | — | — | Form 4 ↗ | ||
| Hardy Rhoman J | FIX | Other A | May 18, 2026 | May 19, 2026 | 1d | 105 | — | — | Form 4 ↗ | ||
| Kapoor Gaurav | FIX | Other A | May 18, 2026 | May 19, 2026 | 1d | 105 | — | — | indirect | Form 4 ↗ | |
| Mercado, Pablo G. | FIX | Other A | May 18, 2026 | May 19, 2026 | 1d | 105 | — | — | Form 4 ↗ | ||
| SANDBROOK WILLIAM J | FIX | Other A | May 18, 2026 | May 19, 2026 | 1d | 105 | — | — | Form 4 ↗ | ||
| Skidmore Constance Ellen | FIX | Other A | May 18, 2026 | May 19, 2026 | 1d | 105 | — | — | Form 4 ↗ | ||
| Wallis-Lage Cindy L. | FIX | Other A | May 18, 2026 | May 19, 2026 | 1d | 105 | — | — | indirect | Form 4 ↗ | |
| GEORGE WILLIAM III | FIX | Sell S | May 11, 2026 | May 12, 2026 | 1d | 1,000 | $2,021 | $2.0M | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Sell S | May 8, 2026 | May 12, 2026 | 4d | 4,000 | $1,948 | $7.8M | Form 4 ↗ | ||
| Shaeff Julie | FIX | Sell S | May 11, 2026 | May 11, 2026 | 0d | 1,123 | $2,000 | $2.2M | Form 4 ↗ | ||
| MYERS FRANKLIN | FIX | Sell S | May 7, 2026 | May 8, 2026 | 1d | 4,500 | $1,903 | $8.6M | Form 4 ↗ | ||
| MYERS FRANKLIN | FIX | Other G | May 7, 2026 | May 8, 2026 | 1d | 256 | — | — | Form 4 ↗ | ||
| MYERS FRANKLIN | FIX | Other G | May 7, 2026 | May 8, 2026 | 1d | 205 | — | — | Form 4 ↗ | ||
| MYERS FRANKLIN | FIX | Other G | May 7, 2026 | May 8, 2026 | 1d | 51 | — | — | Form 4 ↗ | ||
| Lane Brian E. | FIX | Sell S | May 5, 2026 | May 6, 2026 | 1d | 11,113 | $1,970 | $21.9M | Form 4 ↗ | ||
| Mercado, Pablo G. | FIX | Sell S | April 30, 2026 | May 1, 2026 | 1d | 500 | $1,780 | $890K | Form 4 ↗ | ||
| SANDBROOK WILLIAM J | FIX | Sell S | April 29, 2026 | April 30, 2026 | 1d | 1,500 | $1,733 | $2.6M | Form 4 ↗ | ||
| Eslicker Rachel R. | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 43 | $1,430 | $61K | Form 4 ↗ | ||
| Eslicker Rachel R. | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 25 | $1,430 | $36K | Form 4 ↗ | ||
| Eslicker Rachel R. | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 31 | $1,430 | $44K | Form 4 ↗ | ||
| Shaeff Julie | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 145 | $1,430 | $207K | Form 4 ↗ | ||
| Shaeff Julie | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 87 | $1,430 | $124K | Form 4 ↗ | ||
| Shaeff Julie | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 87 | $1,430 | $124K | Form 4 ↗ | ||
| Reed Terrence | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 93 | $1,430 | $133K | Form 4 ↗ | ||
| Reed Terrence | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 82 | $1,430 | $117K | Form 4 ↗ | ||
| Reed Terrence | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 98 | $1,430 | $140K | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 500 | $1,430 | $715K | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 297 | $1,430 | $425K | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 284 | $1,430 | $406K | Form 4 ↗ | ||
| Trent T McKenna | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 341 | $1,430 | $487K | Form 4 ↗ | ||
| Trent T McKenna | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 210 | $1,430 | $300K | Form 4 ↗ | ||
| Trent T McKenna | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 266 | $1,430 | $380K | Form 4 ↗ | ||
| Lane Brian E. | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 1,512 | $1,430 | $2.2M | Form 4 ↗ | ||
| Lane Brian E. | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 941 | $1,430 | $1.3M | Form 4 ↗ | ||
| Lane Brian E. | FIX | Sell F | April 1, 2026 | April 3, 2026 | 2d | 1,146 | $1,430 | $1.6M | Form 4 ↗ | ||
| Shaeff Julie | FIX | Sell F | March 23, 2026 | March 25, 2026 | 2d | 84 | $1,408 | $118K | Form 4 ↗ | ||
| Shaeff Julie | FIX | Other A | March 23, 2026 | March 25, 2026 | 2d | 220 | — | — | Form 4 ↗ | ||
| Shaeff Julie | FIX | Other A | March 23, 2026 | March 25, 2026 | 2d | 194 | — | — | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Sell F | March 23, 2026 | March 25, 2026 | 2d | 300 | $1,408 | $422K | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Other A | March 23, 2026 | March 25, 2026 | 2d | 764 | — | — | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Other A | March 23, 2026 | March 25, 2026 | 2d | 597 | — | — | Form 4 ↗ | ||
| Reed Terrence | FIX | Sell F | March 23, 2026 | March 25, 2026 | 2d | 56 | $1,408 | $79K | Form 4 ↗ | ||
| Reed Terrence | FIX | Other A | March 23, 2026 | March 25, 2026 | 2d | 188 | — | — | Form 4 ↗ | ||
| Reed Terrence | FIX | Other A | March 23, 2026 | March 25, 2026 | 2d | 275 | — | — | Form 4 ↗ | ||
| Eslicker Rachel R. | FIX | Other A | March 23, 2026 | March 25, 2026 | 2d | 217 | — | — | Form 4 ↗ | ||
| Trent T McKenna | FIX | Sell F | March 23, 2026 | March 25, 2026 | 2d | 204 | $1,408 | $287K | Form 4 ↗ | ||
| Trent T McKenna | FIX | Other A | March 23, 2026 | March 25, 2026 | 2d | 520 | — | — | Form 4 ↗ | ||
| Trent T McKenna | FIX | Other A | March 23, 2026 | March 25, 2026 | 2d | 1,208 | — | — | Form 4 ↗ | ||
| Lane Brian E. | FIX | Sell F | March 23, 2026 | March 25, 2026 | 2d | 910 | $1,408 | $1.3M | Form 4 ↗ | ||
| Lane Brian E. | FIX | Other A | March 23, 2026 | March 25, 2026 | 2d | 2,312 | — | — | Form 4 ↗ | ||
| Lane Brian E. | FIX | Other A | March 23, 2026 | March 25, 2026 | 2d | 2,876 | — | — | Form 4 ↗ | ||
| Reed Terrence | FIX | Sell S | March 3, 2026 | March 5, 2026 | 2d | 1,116 | $1,397 | $1.6M | Form 4 ↗ | ||
| Reed Terrence | FIX | Sell S | February 24, 2026 | March 5, 2026 | 9d | 671 | $1,457 | $978K | late | Form 4 ↗ | |
| ANDERSON DARCY | FIX | Sell S | March 3, 2026 | March 5, 2026 | 2d | 4,500 | $1,370 | $6.2M | Form 4 ↗ | ||
| Shaeff Julie | FIX | Sell S | March 3, 2026 | March 4, 2026 | 1d | 2,287 | $1,382 | $3.2M | Form 4 ↗ | ||
| MYERS FRANKLIN | FIX | Sell S | February 25, 2026 | February 27, 2026 | 2d | 8,636 | $1,473 | $12.7M | Form 4 ↗ | ||
| Lane Brian E. | FIX | Sell S | February 25, 2026 | February 26, 2026 | 1d | 9,365 | $1,453 | $13.6M | Form 4 ↗ | ||
| SANDBROOK WILLIAM J | FIX | Sell S | February 24, 2026 | February 26, 2026 | 2d | 2,500 | $1,443 | $3.6M | Form 4 ↗ | ||
| Mercado, Pablo G. | FIX | Sell S | February 23, 2026 | February 24, 2026 | 1d | 500 | $1,405 | $703K | Form 4 ↗ | ||
| Skidmore Constance Ellen | FIX | Sell S | February 24, 2026 | February 24, 2026 | 0d | 1,000 | $1,425 | $1.4M | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Option / conversion M | February 23, 2026 | February 24, 2026 | 1d | 9,000 | — | — | derivative | Form 4 ↗ | |
| GEORGE WILLIAM III | FIX | Sell S | February 23, 2026 | February 24, 2026 | 1d | 9,000 | $1,435 | $12.9M | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Option / conversion M | February 23, 2026 | February 24, 2026 | 1d | 9,000 | $43 | $383K | Form 4 ↗ | ||
| Howell Laura Finley | FIX | Sell S | December 4, 2025 | December 5, 2025 | 1d | 1,000 | $996 | $996K | Form 4 ↗ | ||
| MYERS FRANKLIN | FIX | Other G | December 3, 2025 | December 4, 2025 | 1d | 270 | — | — | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Other G | December 1, 2025 | December 3, 2025 | 2d | 2,000 | — | — | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Sell S | December 1, 2025 | December 3, 2025 | 2d | 4,370 | $959 | $4.2M | Form 4 ↗ | ||
| GEORGE WILLIAM III | FIX | Sell F | December 1, 2025 | December 3, 2025 | 2d | 3,279 | $956 | $3.1M | Form 4 ↗ | ||
| Lane Brian E. | FIX | Sell S | November 24, 2025 | November 25, 2025 | 1d | 7,158 | $948 | $6.8M | Form 4 ↗ | ||
| BULLS HERMAN E | FIX | Other G | November 14, 2025 | November 19, 2025 | 5d | 800 | — | — | late | Form 4 ↗ | |
| ANDERSON DARCY | FIX | Sell S | October 31, 2025 | November 3, 2025 | 3d | 4,000 | $959 | $3.8M | Form 4 ↗ | ||
| BULLS HERMAN E | FIX | Sell S | October 29, 2025 | October 31, 2025 | 2d | 2,000 | $1,014 | $2.0M | Form 4 ↗ | ||
| MYERS FRANKLIN | FIX | Sell S | October 29, 2025 | October 31, 2025 | 2d | 5,000 | $1,007 | $5.0M | Form 4 ↗ | ||
| Mercado, Pablo G. | FIX | Sell S | October 29, 2025 | October 30, 2025 | 1d | 2,500 | $1,005 | $2.5M | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "COMFORT SYSTEMS USA INC". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
No LDA filing posted since October 2025 names "COMFORT SYSTEMS USA INC" as the client. Filings under a subsidiary or trade-association name are not matched — search lobbying.
Related companies
Companies whose stock was traded by the same people who traded FIX, by number of filers in common. It shows overlap in public filings and nothing else.
- NETFLIX INC NFLX 2 filers in common
- INTUIT INC. INTU 2 filers in common
- ELI LILLY & Co LLY 2 filers in common
- ServiceNow, Inc. NOW 2 filers in common
- Fortinet, Inc. FTNT 2 filers in common
- PayPal Holdings, Inc. PYPL 2 filers in common
- PROGRESSIVE CORP/OH/ PGR 2 filers in common
- CADENCE DESIGN SYSTEMS INC CDNS 2 filers in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 1 | 2 | January 7, 2026 | January 7, 2026 | House Clerk search |
| Senate eFD, periodic transaction reports | 1 | 1 | July 21, 2026 | July 21, 2026 | Senate eFD search |
| SEC EDGAR, Form 4 | 51 | 83 | October 30, 2025 | August 27, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.