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Arphra AIPlain-English read on Comfort Systems USA, Inc.’s valuationInsider signal · 90d
Net sellers
Bought
$0
Sold
$25.4M
Txns
3
Over the trailing 90 days insiders are net sellers — $0 bought against $25.4M sold across 3 open-market Form-4 transactions. Much insider selling is scheduled (10b5-1); read the asymmetry, not any single print.
Open-market Form 4
· insider_tradesInsider transactions · last 730d
Net −$179.2M0 buys
| Insider | Role | Type | Shares | Value | Date |
|---|---|---|---|---|---|
| Lane Brian E. | director, officer: CHIEF EXECUTIVE OFF. | Sell | −11,113 | $21.9M | May 05, 2026 |
| Mercado, Pablo G. | director | Sell | −500 | $889.9K | Apr 30, 2026 |
| SANDBROOK WILLIAM J | director | Sell | −1,500 | $2.6M | Apr 29, 2026 |
| Reed Terrence | officer: SVP & CHRO | Sell | −1,116 | $1.6M | Mar 03, 2026 |
| Shaeff Julie | officer: CHIEF ACCOUNTING OFFICER | Sell | −2,287 | $3.2M | Mar 03, 2026 |
| ANDERSON DARCY | director | Sell | −4,500 | $6.2M | Mar 03, 2026 |
| Lane Brian E. | director, officer: PRESIDENT/CHIEF EXECUTIVE OFF. | Sell | −9,365 | $13.6M | Feb 25, 2026 |
| MYERS FRANKLIN | director | Sell | −8,636 | $12.7M | Feb 25, 2026 |
| SANDBROOK WILLIAM J | director | Sell | −2,500 | $3.6M | Feb 24, 2026 |
| Reed Terrence | officer: SVP & CHRO | Sell | −671 | $977.8K | Feb 24, 2026 |
| Skidmore Constance Ellen | director | Sell | −1,000 | $1.4M | Feb 24, 2026 |
| Mercado, Pablo G. | director | Sell | −500 | $702.5K | Feb 23, 2026 |
| GEORGE WILLIAM III | officer: CHIEF FINANCIAL OFFICER | Sell | −9,000 | $12.9M | Feb 23, 2026 |
| Howell Laura Finley | officer: SVP & GENERAL COUNSEL | Sell | −1,000 | $996.2K | Dec 04, 2025 |
Transaction mix · 730d
100%
Sells49 · $179.2M
Buys0 · $0
Top sellers · 730d
Lane Brian E. · director, officer: CHIEF EXECUTIVE OFF.−$67.4M
GEORGE WILLIAM III · officer: CHIEF FINANCIAL OFFICER−$33.3M
MYERS FRANKLIN · director−$25.5M
Transactions
49
0 buys · 49 sells
Bought
$0
Open market
Sold
$179.22M
Open market
Net flow
−$179.22M
Buys − sells
Transactions
| Insider | Role | Action | Shares | Price | Value | Trade date | Filing |
|---|---|---|---|---|---|---|---|
| Lane Brian E. | director, officer: CHIEF EXECUTIVE OFF. | Sell | 11,113 | $1,969.84 | $21.89M | May 05, 2026 | May 06, 2026 |
| Mercado, Pablo G. | director | Sell | 500 | $1,779.78 | $889.89K | Apr 30, 2026 | May 01, 2026 |
| SANDBROOK WILLIAM J | director | Sell | 1,500 | $1,732.67 | $2.6M | Apr 29, 2026 | Apr 30, 2026 |
| Reed Terrence | officer: SVP & CHRO | Sell | 1,116 | $1,397.33 | $1.56M | Mar 03, 2026 | Mar 05, 2026 |
| Shaeff Julie | officer: CHIEF ACCOUNTING OFFICER | Sell | 2,287 | $1,382.15 | $3.16M | Mar 03, 2026 | Mar 04, 2026 |
| ANDERSON DARCY | director | Sell | 4,500 | $1,369.74 | $6.16M | Mar 03, 2026 | Mar 05, 2026 |
| Lane Brian E. | director, officer: PRESIDENT/CHIEF EXECUTIVE OFF. | Sell | 9,365 | $1,453.12 | $13.61M | Feb 25, 2026 | Feb 26, 2026 |
| MYERS FRANKLIN | director | Sell | 8,636 | $1,472.56 | $12.72M | Feb 25, 2026 | Feb 27, 2026 |
| SANDBROOK WILLIAM J | director | Sell | 2,500 | $1,443.32 | $3.61M | Feb 24, 2026 | Feb 26, 2026 |
| Reed Terrence | officer: SVP & CHRO | Sell | 671 | $1,457.17 | $977.76K | Feb 24, 2026 | Mar 05, 2026 |
| Skidmore Constance Ellen | director | Sell | 1,000 | $1,425.00 | $1.43M | Feb 24, 2026 | Feb 24, 2026 |
| Mercado, Pablo G. | director | Sell | 500 | $1,405.00 | $702.5K | Feb 23, 2026 | Feb 24, 2026 |
| GEORGE WILLIAM III | officer: CHIEF FINANCIAL OFFICER | Sell | 9,000 | $1,434.97 | $12.91M | Feb 23, 2026 | Feb 24, 2026 |
| Howell Laura Finley | officer: SVP & GENERAL COUNSEL | Sell | 1,000 | $996.16 | $996.16K | Dec 04, 2025 | Dec 05, 2025 |
| GEORGE WILLIAM III | officer: CHIEF FINANCIAL OFFICER | Sell | 4,370 | $958.88 | $4.19M | Dec 01, 2025 | Dec 03, 2025 |
| Lane Brian E. | director, officer: PRESIDENT/CHIEF EXECUTIVE OFF. | Sell | 7,158 | $947.98 | $6.79M | Nov 24, 2025 | Nov 25, 2025 |
| ANDERSON DARCY | director | Sell | 4,000 | $958.72 | $3.83M | Oct 31, 2025 | Nov 03, 2025 |
| BULLS HERMAN E | director | Sell | 2,000 | $1,013.62 | $2.03M | Oct 29, 2025 | Oct 31, 2025 |
| Mercado, Pablo G. | director | Sell | 2,500 | $1,005.41 | $2.51M | Oct 29, 2025 | Oct 30, 2025 |
| MYERS FRANKLIN | director | Sell | 5,000 | $1,006.68 | $5.03M | Oct 29, 2025 | Oct 31, 2025 |
| SANDBROOK WILLIAM J | director | Sell | 800 | $733.56 | $586.85K | Sep 10, 2025 | Sep 10, 2025 |
| SANDBROOK WILLIAM J | director | Sell | 100 | $706.00 | $70.6K | Sep 09, 2025 | Sep 10, 2025 |
| SANDBROOK WILLIAM J | director | Sell | 600 | $708.97 | $425.38K | Sep 09, 2025 | Sep 10, 2025 |
| BULLS HERMAN E | director | Sell | 3,000 | $710.00 | $2.13M | Aug 27, 2025 | Aug 28, 2025 |
| SANDBROOK WILLIAM J | director | Sell | 700 | $689.58 | $482.7K | Aug 25, 2025 | Aug 27, 2025 |
| Mercado, Pablo G. | director | Sell | 1,078 | $695.88 | $750.16K | Aug 22, 2025 | Aug 25, 2025 |
| Shaeff Julie | officer: CHIEF ACCOUNTING OFFICER | Sell | 1,369 | $704.50 | $964.46K | Aug 12, 2025 | Aug 13, 2025 |
| GEORGE WILLIAM III | officer: CHIEF FINANCIAL OFFICER | Sell | 8,436 | $692.60 | $5.84M | Aug 08, 2025 | Aug 12, 2025 |
| Lane Brian E. | director, officer: PRESIDENT/CHIEF EXECUTIVE OFF. | Sell | 10,000 | $691.74 | $6.92M | Aug 07, 2025 | Aug 08, 2025 |
| MYERS FRANKLIN | director, other: CHAIRMAN OF THE BOARD | Sell | 4,500 | $683.57 | $3.08M | Aug 06, 2025 | Aug 07, 2025 |
| Trent T McKenna | officer: EVP & CHIEF OPERATING OFFICER | Sell | 4,400 | $716.63 | $3.15M | Jul 31, 2025 | Aug 01, 2025 |
| BULLS HERMAN E | director | Sell | 2,500 | $500.01 | $1.25M | Jun 09, 2025 | Jun 11, 2025 |
| ANDERSON DARCY | director | Sell | 8,000 | $506.82 | $4.05M | Jun 06, 2025 | Jun 09, 2025 |
| GEORGE WILLIAM III | officer: CHIEF FINANCIAL OFFICER | Sell | 12,500 | $470.11 | $5.88M | May 13, 2025 | May 14, 2025 |
| Skidmore Constance Ellen | director | Sell | 1,000 | $452.98 | $452.98K | May 12, 2025 | May 13, 2025 |
| Lane Brian E. | director, officer: PRESIDENT/CHIEF EXECUTIVE OFF. | Sell | 15,000 | $431.66 | $6.47M | May 07, 2025 | May 09, 2025 |
| ANDERSON DARCY | director | Sell | 3,000 | $431.66 | $1.29M | May 07, 2025 | May 09, 2025 |
| Mercado, Pablo G. | director | Sell | 1,800 | $436.10 | $784.98K | May 05, 2025 | May 06, 2025 |
| Tang Vance W | director | Sell | 500 | $422.00 | $211K | May 01, 2025 | May 02, 2025 |
| Trent T McKenna | officer: EVP & CHIEF OPERATING OFFICER | Sell | 4,000 | $484.81 | $1.94M | Nov 22, 2024 | Nov 25, 2024 |
| Lane Brian E. | director, officer: PRESIDENT/CHIEF EXECUTIVE OFF. | Sell | 15,000 | $448.88 | $6.73M | Nov 13, 2024 | Nov 15, 2024 |
| GEORGE WILLIAM III | officer: CHIEF FINANCIAL OFFICER | Sell | 5,436 | $459.73 | $2.5M | Nov 08, 2024 | Nov 12, 2024 |
| Mercado, Pablo G. | director | Sell | 2,500 | $409.46 | $1.02M | Nov 05, 2024 | Nov 07, 2024 |
| MYERS FRANKLIN | director, other: CHAIRMAN OF THE BOARD | Sell | 12,000 | $390.18 | $4.68M | Oct 30, 2024 | Oct 31, 2024 |
| Tang Vance W | director | Sell | 2,700 | $390.00 | $1.05M | Oct 28, 2024 | Oct 29, 2024 |
| Shaeff Julie | officer: CHIEF ACCOUNTING OFFICER | Sell | 2,316 | $351.85 | $814.88K | Aug 29, 2024 | Aug 30, 2024 |
| ANDERSON DARCY | director | Sell | 3,546 | $336.19 | $1.19M | Aug 27, 2024 | Aug 28, 2024 |
| GEORGE WILLIAM III | officer: CHIEF FINANCIAL OFFICER | Sell | 5,845 | $332.16 | $1.94M | Aug 20, 2024 | Aug 21, 2024 |
| Lane Brian E. | director, officer: PRESIDENT/CHIEF EXECUTIVE OFF. | Sell | 15,000 | $329.55 | $4.94M | Aug 14, 2024 | Aug 16, 2024 |
By insider
- Lane Brian E.−$67.35Mdirector, officer: CHIEF EXECUTIVE OFF.0B · 7S
- GEORGE WILLIAM III−$33.26Mofficer: CHIEF FINANCIAL OFFICER0B · 6S
- MYERS FRANKLIN−$25.51Mdirector0B · 4S
- ANDERSON DARCY−$16.54Mdirector0B · 5S
- SANDBROOK WILLIAM J−$7.77Mdirector0B · 6S
- Mercado, Pablo G.−$6.66Mdirector0B · 6S
- BULLS HERMAN E−$5.41Mdirector0B · 3S
- Trent T McKenna−$5.09Mofficer: EVP & CHIEF OPERATING OFFICER0B · 2S
- Shaeff Julie−$4.94Mofficer: CHIEF ACCOUNTING OFFICER0B · 3S
- Reed Terrence−$2.54Mofficer: SVP & CHRO0B · 2S
- Skidmore Constance Ellen−$1.88Mdirector0B · 2S
- Tang Vance W−$1.26Mdirector0B · 2S
- Howell Laura Finley−$996.16Kofficer: SVP & GENERAL COUNSEL0B · 1S
Beneficial ownership filings
Schedule 13D / 13G — investors holding more than 5% of FIX-US.
DB · acquisition_ownership65
| Filed | Reporting person | Form | Type | Aggregate owned | % Class | Sole voting | Shared voting | Citizenship | |
|---|---|---|---|---|---|---|---|---|---|
| May 06, 2026 | FMR LLC | — | HC | — | +4.10% | 0 | 0 | DELAWARE | SEC → |
| Apr 29, 2026 | Vanguard Portfolio Management | — | IA | — | +5.37% | 0 | 0 | PENNSYLVANIA | SEC → |
| Apr 29, 2026 | Vanguard Capital Management | — | IA | — | +7.49% | 0 | 0 | PENNSYLVANIA | SEC → |
| Mar 26, 2026 | The Vanguard Group | — | IA | — | 0.00% | 0 | 0 | PENNSYLVANIA | SEC → |
| Feb 13, 2026 | Capital World Investors | — | IA | — | +4.70% | 0 | 0 | DELAWARE | SEC → |
| Jan 30, 2026 | The Vanguard Group | — | IA | — | +12.21% | 4.31M | 4.31M | PENNSYLVANIA | SEC → |
| Jan 21, 2026 | BlackRock, Inc. | — | HC | — | +8.30% | 0 | 0 | DELAWARE | SEC → |
| Dec 04, 2025 | BlackRock, Inc. | — | HC | — | +10.80% | 0 | 0 | DELAWARE | SEC → |
| Nov 13, 2025 | Capital World Investors | — | IA | — | +5.10% | 0 | 0 | DELAWARE | SEC → |
| Nov 05, 2025 | FMR LLC | — | HC | — | +5.40% | 0 | 0 | DELAWARE | SEC → |
| Apr 24, 2025 | BlackRock, Inc. | — | HC | — | +9.40% | 0 | 0 | DELAWARE | SEC → |
| Nov 13, 2024 | 95-1411037 | — | IA | — | +6.40% | 2.28M | 0 | Delaware | SEC → |
| Feb 13, 2023 | 95-1411037 | — | IA | — | +5.70% | 2.03M | 0 | Delaware | SEC → |
| Jan 20, 2023 | (1) BlackRock, Inc. | — | HC | — | +16.40% | 0 | 0 | Delaware | SEC → |
| Jan 27, 2022 | (1) BlackRock, Inc. | — | HC | — | +15.20% | 5.44M | 0 | Delaware | SEC → |
| Jan 24, 2019 | (1) BlackRock, Inc. | — | HC | — | +17.10% | 6.11M | 0 | Delaware | SEC → |
| Feb 05, 2018 | (. | — | IA | — | +4.22% | 1.47M | 0 | Delaware | SEC → |
| Feb 09, 2016 | (. | — | IA | — | +5.23% | 1.84M | 0 | Delaware | SEC → |
| Feb 02, 2016 | 752403190 | — | IA | — | +6.72% | 1.36M | 1.16M | A Delaware | SEC → |
| Oct 26, 2015 | JPMorgan Chase & Co. | — | HC | — | +0.70% | 256.33K | 0 | Delaware | SEC → |
| Feb 10, 2015 | 752403190 | — | IA | — | +7.08% | 1.4M | 1.24M | A Delaware | SEC → |
| Jan 23, 2015 | JPMorgan Chase & Co. | — | HC | — | +6.20% | 2.06M | 0 | Delaware | SEC → |
| Jan 15, 2015 | (1) BlackRock, Inc. | — | HC | — | +9.00% | 3.28M | 0 | Delaware | SEC → |
| Feb 11, 2013 | 752403190 | — | IA | — | +7.15% | 1.38M | 1.29M | A Delaware | SEC → |
| Feb 14, 2012 | Peter Uddo | — | IN | — | +7.97% | 2.8M | 0 | Delaware, United States | SEC → |
| Feb 14, 2012 | Kevin Oram | — | IN | — | +7.97% | 2.8M | 0 | Delaware, United States | SEC → |
| Feb 14, 2012 | 20-0302413 | — | IA, PN | — | +7.97% | 2.8M | 0 | Delaware, United States | SEC → |
| Feb 10, 2012 | 752403190 | — | IA | — | +7.30% | 1.35M | 1.38M | A Delaware | SEC → |
| Feb 09, 2011 | Capital Research Global Investors ** | — | IA | — | +5.00% | 1.91M | 0 | Delaware | SEC → |
| Feb 11, 2010 | Carlene M. Ziegler | — | IN | — | +9.60% | 0 | 3.35M | Delaware | SEC → |
Showing 30 of 65 filings. All disclosures →
Top 10 holders · 8 quarters
13F position evolutionNo 13F history in
institutional_holders for FIX-US.