Dudediligence.

Comfort Systems USA, Inc

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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$173.7M

31 notices · 117,172 sh

Oct 2025 to Oct 2026

Reported ·

$128.9M

25 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

None of the 25 reported sales carry the 10b5-1 box. Together they are 0.25% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-08-26: BRIAN E LANE, Form 1442026-08-17: GEORGE WILLIAM III, Form 1442026-08-11: Franklin Myers, Form 1442026-08-10: MYERS FRANKLIN, Form 1442026-05-22: Hardy Rhoman J, Form 1442026-05-11: GEORGE WILLIAM III, Form 1442026-05-11: Shaeff Julie, Form 1442026-05-08: GEORGE WILLIAM III, Form 1442026-05-07: MYERS FRANKLIN, Form 1442026-05-05: BRIAN E LANE, Form 1442026-04-28: Mercado, Pablo G., Form 1442026-04-29: SANDBROOK WILLIAM J, Form 1442026-03-10: Howell Laura Finley, Form 1442026-03-03: Shaeff Julie, Form 1442026-03-03: ANDERSON DARCY, Form 1442026-03-03: Reed Terrence, Form 1442026-02-25: Howell Laura Finley, Form 1442026-02-25: BRIAN E LANE, Form 1442026-02-27: Reed Terrence, Form 1442026-02-24: MYERS FRANKLIN, Form 1442026-02-24: SANDBROOK WILLIAM J, Form 1442026-02-23: GEORGE WILLIAM III, Form 1442026-02-23: Mercado, Pablo G., Form 1442026-02-24: Constance E. Skidmore, Form 1442025-12-04: Howell Laura Finley, Form 1442025-12-01: GEORGE WILLIAM III, Form 1442025-11-24: BRIAN E LANE, Form 1442025-10-31: ANDERSON DARCY, Form 1442025-10-29: Mercado, Pablo G., Form 1442025-10-29: MYERS FRANKLIN, Form 1442025-10-29: BULLS HERMAN E, Form 1442025-10-29: BULLS HERMAN E, sold2025-10-29: MYERS FRANKLIN, sold2025-10-29: Mercado, Pablo G., sold2025-10-31: ANDERSON DARCY, sold2025-11-24: Lane Brian E., sold2025-12-01: GEORGE WILLIAM III, sold2025-12-04: Howell Laura Finley, sold2026-02-23: GEORGE WILLIAM III, sold2026-02-23: Mercado, Pablo G., sold2026-02-24: SANDBROOK WILLIAM J, sold2026-02-24: Skidmore Constance Ellen, sold2026-02-24: Reed Terrence, sold2026-02-25: MYERS FRANKLIN, sold2026-02-25: Lane Brian E., sold2026-03-03: ANDERSON DARCY, sold2026-03-03: Shaeff Julie, sold2026-04-29: SANDBROOK WILLIAM J, sold2026-04-30: Mercado, Pablo G., sold2026-05-05: Lane Brian E., sold2026-05-07: MYERS FRANKLIN, sold2026-05-08: GEORGE WILLIAM III, sold2026-05-11: Shaeff Julie, sold2026-05-27: Hardy Rhoman J, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-08-26BRIAN E LANE, CHIEF EXECUTIVE OFF.$25.8M
16,024 shno plan dateForm 4s on file end Jun 23144 ↗
2026-08-17GEORGE WILLIAM III, CHIEF FINANCIAL OFFICER$4,749,549
2,554 shno plan dateForm 4s on file end Jun 23144 ↗
2026-08-11Franklin Myers, Director$6,699,360
4,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-08-10MYERS FRANKLIN, Director$5,938,345
3,500 shno plan dateForm 4s on file end Jun 23144 ↗
2026-05-22Hardy Rhoman J, Director$628,090
342 shno plan date144 ↗
Form 4, 2026-05-28: sold 342 at $1900.08 Form 4 ↗
2026-05-11GEORGE WILLIAM III, CHIEF FINANCIAL OFFICER$2,020,965
1,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-05-11Shaeff Julie, CHIEF ACCOUNTING OFFICER$2,246,371
1,123 shno plan date144 ↗
Form 4, 2026-05-11: sold 1,123 at $2000.37 Form 4 ↗
2026-05-08GEORGE WILLIAM III, CHIEF FINANCIAL OFFICER$7,792,682
4,000 shno plan date144 ↗
Form 4, 2026-05-12: sold 5,000 at $1962.73 Form 4 ↗
2026-05-07MYERS FRANKLIN, Director$8,727,750
4,500 shno plan date144 ↗
Form 4, 2026-05-08: sold 4,500 at $1902.57 Form 4 ↗
2026-05-05BRIAN E LANE, CHIEF EXECUTIVE OFF.$21.9M
11,113 shno plan date144 ↗
Form 4, 2026-05-06: sold 11,113 at $1969.84 Form 4 ↗
2026-04-29SANDBROOK WILLIAM J, Director$2,599,000
1,500 shno plan date144 ↗
Form 4, 2026-04-30: sold 1,500 at $1732.67 Form 4 ↗
2026-04-28Mercado, Pablo G., Director$863,149
500 shno plan date144 ↗
Form 4, 2026-05-01: sold 500 at $1779.78 Form 4 ↗
2026-03-10Howell Laura Finley, SVP & GENERAL COUNSEL$999,508
723 shno plan dateno Form 4 on file144 ↗
2026-03-03Shaeff Julie, CHIEF ACCOUNTING OFFICER$3,160,974
2,287 shno plan date144 ↗
Form 4, 2026-03-04: sold 2,287 at $1382.15 Form 4 ↗
2026-03-03ANDERSON DARCY, Director$6,163,838
4,500 shno plan date144 ↗
Form 4, 2026-03-05: sold 4,500 at $1369.74 Form 4 ↗
2026-03-03Reed Terrence, SVP & CHRO$1,605,076
1,116 shno plan dateno Form 4 on file144 ↗
2026-02-27Reed Terrence, SVP & CHRO$948,794
671 shno plan date144 ↗
Form 4, 2026-03-05: sold 1,787 at $1419.80 Form 4 ↗
2026-02-25Howell Laura Finley, SVP & GENERAL COUNSEL$1,008,987
690 shno plan dateno Form 4 on file144 ↗
2026-02-25BRIAN E LANE, CHIEF EXECUTIVE OFF.$13.6M
9,365 shno plan date144 ↗
Form 4, 2026-02-26: sold 9,365 at $1453.12 Form 4 ↗
2026-02-24MYERS FRANKLIN, Director$12.2M
8,636 shno plan date144 ↗
Form 4, 2026-02-27: sold 8,636 at $1472.56 Form 4 ↗
2026-02-24SANDBROOK WILLIAM J, Director$3,608,294
2,500 shno plan date144 ↗
Form 4, 2026-02-26: sold 2,500 at $1443.32 Form 4 ↗
2026-02-24Constance E. Skidmore, Director$1,425,000
1,000 shno plan date144 ↗
Form 4, 2026-02-24: sold 1,000 at $1425.00 Form 4 ↗
2026-02-23GEORGE WILLIAM III, CHIEF FINANCIAL OFFICER$12.9M
9,000 shno plan date144 ↗
Form 4, 2026-02-24: sold 9,000 at $1434.97 Form 4 ↗
2026-02-23Mercado, Pablo G., Director$709,380
500 shno plan date144 ↗
Form 4, 2026-02-24: sold 500 at $1405.00 Form 4 ↗
2025-12-04Howell Laura Finley, SVP & GENERAL COUNSEL$996,000
1,000 shno plan date144 ↗
Form 4, 2025-12-05: sold 1,000 at $996.16 Form 4 ↗
2025-12-01GEORGE WILLIAM III, CHIEF FINANCIAL OFFICER$4,190,262
4,370 shno plan date144 ↗
Form 4, 2025-12-03: sold 4,370 at $958.88 Form 4 ↗
2025-11-24BRIAN E LANE, CHIEF EXECUTIVE OFF.$6,785,645
7,158 shno plan date144 ↗
Form 4, 2025-11-25: sold 7,158 at $947.98 Form 4 ↗
2025-10-31ANDERSON DARCY, Director$3,834,889
4,000 shno plan date144 ↗
Form 4, 2025-11-03: sold 4,000 at $958.72 Form 4 ↗
2025-10-29Mercado, Pablo G., Director$2,494,575
2,500 shno plan date144 ↗
Form 4, 2025-10-30: sold 2,500 at $1005.41 Form 4 ↗
2025-10-29MYERS FRANKLIN, Director$5,062,800
5,000 shno plan date144 ↗
Form 4, 2025-10-31: sold 5,000 at $1006.68 Form 4 ↗
2025-10-29BULLS HERMAN E, Director$2,027,222
2,000 shno plan date144 ↗
Form 4, 2025-10-31: sold 2,000 at $1013.62 Form 4 ↗