FIX insider buying and SEC filings, explained
Comfort Systems USA Inc. · CIK 1035983
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$162.7M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 26, 2026 | Sale | Brian E. Lane (CEO and Director) sold 16,024 shares at $1,608.21 ($25.8M). Holdings down 10% to 145,065 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 27, 2026 |
| Aug 17, 2026 | Sale | William George III (CFO) sold 2,554 shares at $1,859.65 ($4.7M). Holdings down 8% to 30,250 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 18, 2026 |
| Aug 10–11, 2026 | Sale | Franklin Myers (Director) sold 7,500 shares directly and indirectly (by entity) between Aug 10 and Aug 11 at about $1,692.31 ($12.7M). Direct holdings down 6% to 58,615 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 12, 2026 |
| Jun 24, 2026 | Sale | Franklin Myers (Director) sold 6,700 shares at $1,954.47 ($13.1M). Holdings down 10% to 62,115 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 26, 2026 |
| May 27, 2026 | Sale | Rhoman J Hardy (Director) sold 342 shares at $1,900.08 ($650K). Holdings down 15% to 1,890 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 28, 2026 |
| May 8–11, 2026 | Sale | William George III (CFO) sold 5,000 shares between May 8 and May 11 at about $1,962.73 ($9.8M). Holdings down 13% to 32,804 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 12, 2026 |
| May 11, 2026 | Sale | Julie Shaeff (Chief Accounting Officer) sold 1,123 shares at $2,000.37 ($2.2M). Holdings down 8% to 12,624 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 11, 2026 |
| May 7, 2026 | Sale | Franklin Myers (Director) sold 4,500 shares at $1,902.57 ($8.6M). Holdings down 6% to 68,983 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 8, 2026 |
| May 5, 2026 | Sale | Brian E. Lane (CEO and Director) sold 11,113 shares at $1,969.84 ($21.9M). Holdings down 6% to 161,089 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 6, 2026 |
| Apr 30, 2026 | Sale | Pablo G. Mercado (Director) sold 500 shares at $1,779.78 ($890K). Holdings down 14% to 3,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 1, 2026 |
| Apr 29, 2026 | Sale | William J. Sandbrook (Director) sold 1,500 shares at $1,732.67 ($2.6M). Holdings down 16% to 7,666 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 30, 2026 |
| Mar 3, 2026 | Sale | Darcy Anderson (Director) sold 4,500 shares at $1,369.74 ($6.2M). Holdings down 20% to 18,035 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 5, 2026 |
| Feb 24–Mar 3, 2026 | Sale | Terrence Reed (SVP & CHRO) sold 1,787 shares between Feb 24 and Mar 3 at about $1,419.80 ($2.5M). Holdings down 39% to 2,834 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 5, 2026 |
| Mar 3, 2026 | Sale | Julie Shaeff (Chief Accounting Officer) sold 2,287 shares at $1,382.15 ($3.2M). Holdings down 14% to 13,736 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Feb 25, 2026 | Sale | Franklin Myers (Director) sold 8,636 shares at $1,472.56 ($12.7M). Holdings down 10% to 73,995 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 27, 2026 |
| Feb 25, 2026 | Sale | Brian E. Lane (CEO and Director) sold 9,365 shares at $1,453.12 ($13.6M). Holdings down 5% to 171,523 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 26, 2026 |
| Feb 24, 2026 | Sale | William J. Sandbrook (Director) sold 2,500 shares at $1,443.32 ($3.6M). Holdings down 21% to 9,166 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 26, 2026 |
| Feb 24, 2026 | Sale | Constance Ellen Skidmore (Director) sold 1,000 shares at $1,425.00 ($1.4M). Holdings down 7% to 12,627 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 24, 2026 |
| Feb 23, 2026 | Sale | Pablo G. Mercado (Director) sold 500 shares at $1,405.00 ($703K). Holdings down 13% to 3,500 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 24, 2026 |
| Dec 4, 2025 | Sale | Laura Finley Howell (SVP & General Counsel) sold 1,000 shares at $996.16 ($996K). Holdings down 11% to 7,938 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 5, 2025 |
| Dec 1, 2025 | Sale | William George III (CFO) sold 4,370 shares at $958.88 ($4.2M). Holdings down 10% to 39,824 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 3, 2025 |
| Nov 24, 2025 | Sale | Brian E. Lane (CEO and Director) sold 7,158 shares at $947.98 ($6.8M). Holdings down 4% to 180,888 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 25, 2025 |
| Oct 31, 2025 | Sale | Darcy Anderson (Director) sold 4,000 shares at $958.72 ($3.8M). Holdings down 15% to 22,535 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 3, 2025 |
28 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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