Comfort Systems USA Inc
FIXFigures shown here come from public SEC filings. Dates beside each section show the available history.
How Comfort Systems USA Inc Makes Money
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From revenue to net income
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Financial Summary
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 17 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 26, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| Monolith Management Ltd | 2026-03-31 | 880 | $1.21M | SEC filing |
| Union Bancaire Privee, UBP SA | 2026-03-31 | 3,583 | Not shown | SEC filing |
| CPC Advisors, LLC | 2026-03-31 | 5,167 | $7.13M | SEC filing |
| CURIO WEALTH, LLC | 2026-03-31 | 1 | $1.38K | SEC filing |
| Linden Thomas Advisory Services, LLC | 2026-03-31 | 4,023 | $5.55M | SEC filing |
| State of Alaska, Department of Revenue | 2026-03-31 | 3,616 | Not shown | SEC filing |
| CALIFORNIA FIRST LEASING CORP | 2026-03-31 | 8,720 | $12M | SEC filing |
| Gulf International Bank (UK) Ltd | 2026-03-31 | 2,736 | Not shown | SEC filing |
| Impact Partnership Wealth, LLC | 2026-03-31 | 768 | $1.06M | SEC filing |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 2026-03-31 | 45,960 | $63.4M | SEC filing |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 2026-03-31 | 13,505 | $18.6M | SEC filing |
| Brookstone Capital Management | 2026-03-31 | 280 | $386K | SEC filing |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 2026-03-31 | 252,979 | $349M | SEC filing |
| Meredith Wealth Planning | 2026-03-31 | 146 | $201K | SEC filing |
| JPL Wealth Management, LLC | 2026-03-31 | 27 | $37.2K | SEC filing |
| Korea Investment CORP | 2026-03-31 | 43,096 | $59.4M | SEC filing |
| ARMISTICE CAPITAL, LLC | 2026-03-31 | 2,356 | $3.25M | SEC filing |
| Migdal Insurance & Financial Holdings Ltd. | 2026-03-31 | 10 | $13.8K | SEC filing |
| MAINSAIL ASSET MANAGEMENT, LLC | 2026-03-31 | 280 | $386K | SEC filing |
| ALBION FINANCIAL GROUP /UT | 2026-03-31 | 11 | $15.2K | SEC filing |
- Each value is checked against Comfort Systems USA Inc's share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
- Value not shown for 2 rows: the filed value is about 1,000 times too small for the share count at Comfort Systems USA Inc's share price.
- Value not shown for 1 row: the value per share could not be confirmed against the share prices on file from within three months of the report date.
120 filers have only one report here.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among Comfort Systems USA Inc's recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2025-05-13 · GEORGE WILLIAM III: Larger than 71 of the 78 other insider sales of Common Stock on file. SEC filing
- 2025-05-07 · Lane Brian E.: Larger than 73 of the 78 other insider sales of Common Stock on file. SEC filing
- 2024-11-13 · Lane Brian E.: Larger than 73 of the 78 other insider sales of Common Stock on file. SEC filing
- 2024-08-14 · Lane Brian E.: Larger than 73 of the 78 other insider sales of Common Stock on file. SEC filing
- 2024-03-01 · Lane Brian E.: Larger than 76 of the 78 other insider sales of Common Stock on file. SEC filing
- 2024-02-26 · Trent T McKenna: Larger than 72 of the 78 other insider sales of Common Stock on file. SEC filing
- 2023-08-31 · MYERS FRANKLIN: Larger than 77 of the 78 other insider sales of Common Stock on file. SEC filing
- 2023-08-29 · Lane Brian E.: Larger than all 78 other insider sales of Common Stock on file. SEC filing
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-06-24 | MYERS FRANKLIN · Director | Common Stock | S — Open market or private sale | −6,700 | 1,954.47 | SEC filing |
| 2026-05-27 | Hardy Rhoman J · Director | Common Stock | S — Open market or private sale | −342 | 1,900.08 | SEC filing |
| 2026-05-11 | GEORGE WILLIAM III · CHIEF FINANCIAL OFFICER | Common Stock | S — Open market or private sale | −1,000 | 2,020.97 | SEC filing |
| 2026-05-11 | Shaeff Julie · CHIEF ACCOUNTING OFFICER | Common Stock | S — Open market or private sale | −1,123 | 2,000.37 | SEC filing |
| 2026-05-08 | GEORGE WILLIAM III · CHIEF FINANCIAL OFFICER | Common Stock | S — Open market or private sale | −4,000 | 1,948.17 | SEC filing |
| 2026-05-07 | MYERS FRANKLIN · Director | Common Stock | S — Open market or private sale | −4,500 | 1,902.57 | SEC filing |
| 2026-05-05 | Lane Brian E. · CHIEF EXECUTIVE OFF. | Common Stock | S — Open market or private sale | −11,113 | 1,969.84 | SEC filing |
| 2026-04-30 | Mercado, Pablo G. · Director | Common Stock | S — Open market or private sale | −500 | 1,779.78 | SEC filing |
Showing 8 of 12 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-05-21 | MYERS FRANKLIN · Director | Common Stock | G — Bona fide gift | −273 | SEC filing |
| 2026-05-18 | Kapoor Gaurav · Director | Common Stock | A — Grant, award, or other acquisition | +105 | SEC filing |
| 2026-05-18 | BULLS HERMAN E · Director | Common Stock | A — Grant, award, or other acquisition | +105 | SEC filing |
| 2026-05-18 | Wallis-Lage Cindy L. · Director | Common Stock | A — Grant, award, or other acquisition | +105 | SEC filing |
| 2026-05-18 | Skidmore Constance Ellen · Director | Common Stock | A — Grant, award, or other acquisition | +105 | SEC filing |
| 2026-05-18 | ANDERSON DARCY · Director | Common Stock | A — Grant, award, or other acquisition | +105 | SEC filing |
| 2026-05-18 | MYERS FRANKLIN · Director | Common Stock | A — Grant, award, or other acquisition | +105 | SEC filing |
| 2026-05-18 | SANDBROOK WILLIAM J · Director | Common Stock | A — Grant, award, or other acquisition | +105 | SEC filing |
Showing 8 of 40 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.