FIX
COMFORT SYSTEMS USA INC
Electrical WorkNYSELarge accelerated filer
Total Trades
80
Buys
1
Sells
73
Largest Trade
$1M+
Insiders
15
Institutional Funds
897
Inst. Value
$1M+
Activist Filings
16
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Reed Terrence | SVP & CHRO | SELL | $1M+ | 2K | $1419.80 | Mar 5, 2026 |
| ANDERSON DARCY | Director | SELL | $1M+ | 5K | $1369.74 | Mar 5, 2026 |
| Shaeff Julie | CHIEF ACCOUNTING O… | SELL | $1M+ | 2K | $1382.15 | Mar 4, 2026 |
| MYERS FRANKLIN | Director | SELL | $1M+ | 9K | $1472.56 | Feb 27, 2026 |
| Lane Brian E. | PRESIDENT/CHIEF EX… | SELL | $1M+ | 9K | $1453.12 | Feb 26, 2026 |
| SANDBROOK WILLIAM J | Director | SELL | $1M+ | 3K | $1443.32 | Feb 26, 2026 |
| Mercado, Pablo G. | Director | SELL | $500K+ | 500 | $1405.00 | Feb 24, 2026 |
| Skidmore Constance Ellen | Director | SELL | $1M+ | 1K | $1425.00 | Feb 24, 2026 |
| GEORGE WILLIAM III | CHIEF FINANCIAL OF… | SELL | $1M+ | 9K | $1434.97 | Feb 24, 2026 |
| GEORGE WILLIAM III | CHIEF FINANCIAL OF… | EXERCISE | $100K–$500K | 9K | $42.50 | Feb 24, 2026 |
| Howell Laura Finley | SVP & GENERAL COUN… | SELL | $500K+ | 1K | $996.16 | Dec 5, 2025 |
| GEORGE WILLIAM III | CHIEF FINANCIAL OF… | SELL | $1M+ | 4K | $958.88 | Dec 3, 2025 |
| Lane Brian E. | PRESIDENT/CHIEF EX… | SELL | $1M+ | 7K | $947.98 | Nov 25, 2025 |
| ANDERSON DARCY | Director | SELL | $1M+ | 4K | $958.72 | Nov 3, 2025 |
| BULLS HERMAN E | Director | SELL | $1M+ | 2K | $1013.62 | Oct 31, 2025 |
| MYERS FRANKLIN | Director | SELL | $1M+ | 5K | $1006.68 | Oct 31, 2025 |
| Mercado, Pablo G. | Director | SELL | $1M+ | 3K | $1005.41 | Oct 30, 2025 |
| SANDBROOK WILLIAM J | Director | SELL | $1M+ | 2K | $721.89 | Sep 10, 2025 |
| BULLS HERMAN E | Director | SELL | $1M+ | 3K | $710.00 | Aug 28, 2025 |
| SANDBROOK WILLIAM J | Director | SELL | $100K–$500K | 700 | $689.58 | Aug 27, 2025 |
| Mercado, Pablo G. | Director | SELL | $500K+ | 1K | $695.88 | Aug 25, 2025 |
| Trent T McKenna | EVP & CHIEF OPERAT… | SELL | $1M+ | 4K | $716.63 | Aug 1, 2025 |
| BULLS HERMAN E | Director | SELL | $1M+ | 3K | $500.01 | Jun 11, 2025 |
| ANDERSON DARCY | Director | SELL | $1M+ | 8K | $506.82 | Jun 9, 2025 |
| GEORGE WILLIAM III | CHIEF FINANCIAL OF… | EXERCISE | $100K–$500K | 13K | $36.25 | May 14, 2025 |
| GEORGE WILLIAM III | CHIEF FINANCIAL OF… | SELL | $1M+ | 13K | $470.11 | May 14, 2025 |
| Skidmore Constance Ellen | Director | SELL | $100K–$500K | 1K | $452.98 | May 13, 2025 |
| Lane Brian E. | PRESIDENT/CHIEF EX… | SELL | $1M+ | 15K | $431.66 | May 9, 2025 |
| ANDERSON DARCY | Director | SELL | $1M+ | 3K | $431.66 | May 9, 2025 |
| Mercado, Pablo G. | Director | SELL | $500K+ | 2K | $436.10 | May 6, 2025 |
| Tang Vance W | Director | SELL | $100K–$500K | 500 | $422.00 | May 2, 2025 |
| Trent T McKenna | EVP & CHIEF OPERAT… | SELL | $1M+ | 4K | $484.81 | Nov 25, 2024 |
| Trent T McKenna | EVP & CHIEF OPERAT… | EXERCISE | $100K–$500K | 4K | $39.38 | Nov 25, 2024 |
| Lane Brian E. | PRESIDENT/CHIEF EX… | SELL | $1M+ | 15K | $448.88 | Nov 15, 2024 |
| GEORGE WILLIAM III | CHIEF FINANCIAL OF… | SELL | $1M+ | 5K | $459.73 | Nov 12, 2024 |
| Mercado, Pablo G. | Director | SELL | $1M+ | 3K | $409.46 | Nov 7, 2024 |
| MYERS FRANKLIN | Director | SELL | $1M+ | 12K | $390.18 | Oct 31, 2024 |
| Tang Vance W | Director | SELL | $1M+ | 3K | $390.00 | Oct 30, 2024 |
| Shaeff Julie | CHIEF ACCOUNTING O… | SELL | $500K+ | 2K | $351.85 | Aug 30, 2024 |
| ANDERSON DARCY | Director | SELL | $1M+ | 4K | $336.19 | Aug 28, 2024 |
| GEORGE WILLIAM III | CHIEF FINANCIAL OF… | SELL | $1M+ | 6K | $332.16 | Aug 21, 2024 |
| Tang Vance W | Director | SELL | $1M+ | 3K | $310.00 | Jun 7, 2024 |
| Lane Brian E. | PRESIDENT/CHIEF EX… | SELL | $1M+ | 16K | $312.13 | Mar 4, 2024 |
| Trent T McKenna | EVP & CHIEF OPERAT… | SELL | $1M+ | 14K | $278.55 | Feb 28, 2024 |
| GEORGE WILLIAM III | CHIEF FINANCIAL OF… | SELL | $1M+ | 8K | $278.95 | Feb 28, 2024 |
| Mercado, Pablo G. | Director | SELL | $100K–$500K | 1K | $283.17 | Feb 28, 2024 |
| Tang Vance W | Director | SELL | $1M+ | 10K | $283.00 | Feb 28, 2024 |
| SANDBROOK WILLIAM J | Director | SELL | $500K+ | 5K | $185.19 | Nov 13, 2023 |
| Tang Vance W | Director | SELL | $100K–$500K | 2K | $182.50 | Nov 1, 2023 |
| SANDBROOK WILLIAM J | Director | SELL | $1M+ | 8K | $187.52 | Sep 14, 2023 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 897 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Capital World Investors | 1.6M | $1M+ | SH |
| STATE STREET CORP | 1.4M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1M | $1M+ | SH |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 669K | $1M+ | SH |
| NORGES BANK | 503K | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 482K | $1M+ | SH |
| FULLER & THALER ASSET MANAGEMENT, INC. | 289K | $1M+ | SH |
| FULLER & THALER ASSET MANAGEMENT, INC. | 289K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 286K | $1M+ | SH |
| AMF Tjanstepension AB | 272K | $1M+ | SH |
| LORD, ABBETT & CO. LLC | 269K | $1M+ | SH |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 268K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 224K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 221K | $1M+ | SH |
| Clearbridge Investments, LLC | 201K | $1M+ | SH |
| ROYAL LONDON ASSET MANAGEMENT LTD | 195K | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 183K | $1M+ | SH |
| Value Aligned Research Advisors, LLC | 147K | $1M+ | SH |
| Point72 Asset Management, L.P. | 147K | $1M+ | SH |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 144K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 13, 2026
4.7%
1.6M shares
SC 13G/A · Jan 30, 2026
12.2%
4.3M shares
SC 13G/A · Jan 21, 2026
8.3%
2.9M shares
SC 13G/A · Dec 4, 2025
10.8%
3.8M shares
SC 13G/A · Nov 14, 2025
5.1%
1.8M shares
SC 13G · Nov 5, 2025
5.4%
1.9M shares
SC 13G/A · Apr 24, 2025
9.4%
3.3M shares
Capital World Investors 95-1411037
SC 13G · Nov 13, 2024
6.4%
2.3M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
11.0%
3.9M shares
Capital World Investors 95-1411037
SC 13G/A · Feb 9, 2024
4.8%
1.7M shares
SC 13G/A · Jan 23, 2024
13.5%
4.8M shares
Capital World Investors 95-1411037
SC 13G · Feb 13, 2023
5.7%
2.0M shares
SC 13G/A · Jan 26, 2023
16.4%
5.9M shares
SC 13G · Jan 20, 2023
16.4%
5.9M shares
SC 13G/A · Jan 27, 2022
15.2%
5.5M shares
SC 13G/A · Jan 25, 2022
15.2%
5.5M shares