DIMETRICS
F
Comfort Systems USA
FIX · AI Construction & EPC
$1,734.72
-40.38 (-2.27%)
As of Jul 15, 2026 close
Insider Activity — Trailing 6 Months
Open-Market Buys
0
$0.0 · 0 lines · 0 insiders
Open-Market Sells
19
$116.6M · 19 lines · 10b5-1: 0/19
Net Shares (6M)
-70K
-0.20% of shares out
Active Insiders
15
6 officers · 9 directors
Latest Form 4
Jun 26
MYERS FRANKLIN · Sell · $13.1M
Price & Insider Transactions
Marker size ∝ transaction value
Closing priceBuySell
Transactions
Sortable · open-market, awards & exercises
Type
Price
Held After
Filed
MYERS FRANKLIN
Sell
-6,700
-9.7% of holdings
$1,954.47
$13.1M
62,115
Jun 24, 2026
Hardy Rhoman J
Sell
-342
-15.3% of holdings
$1,900.08
$649.8K
1,889.916
May 27, 2026
MYERS FRANKLIN
Gift
-273
-0.4% of holdings
$0.00
$0.0
68,815
May 21, 2026
Wallis-Lage Cindy L.
Award
+105
RSU grant (A)
5,818
May 18, 2026
Skidmore Constance Ellen
Award
+105
RSU grant (A)
12,732
May 18, 2026
SANDBROOK WILLIAM J
Award
+105
RSU grant (A)
7,771
May 18, 2026
Mercado, Pablo G.
Award
+105
RSU grant (A)
3,105
May 18, 2026
Kapoor Gaurav
Award
+105
RSU grant (A)
832
May 18, 2026
Hardy Rhoman J
Award
+105
RSU grant (A)
2,231.916
May 18, 2026
BULLS HERMAN E
Award
+105
RSU grant (A)
29,879
May 18, 2026
MYERS FRANKLIN
Award
+105
RSU grant (A)
69,088
May 18, 2026
ANDERSON DARCY
Award
+105
RSU grant (A)
18,140
May 18, 2026
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
Sell
-1,000
-3.0% of holdings
$2,020.97
$2.0M
32,804
May 11, 2026
Shaeff Julie
CHIEF ACCOUNTING OFFICER
Sell
-1,123
-8.2% of holdings
$2,000.37
$2.2M
12,624
May 11, 2026
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
Sell
-4,000
-10.6% of holdings
$1,948.17
$7.8M
33,804
May 8, 2026
MYERS FRANKLIN
Sell
-4,500
-6.1% of holdings
$1,902.57
$8.6M
68,983
May 7, 2026
MYERS FRANKLIN
3 lots
Gift
-512
-0.7% of holdings
avg $0.00
$0.0
73,483
May 7, 2026
Lane Brian E.
CHIEF EXECUTIVE OFF.
Sell
-11,113
-6.5% of holdings
$1,969.84
$21.9M
161,089
May 5, 2026
Mercado, Pablo G.
Sell
-500
-14.3% of holdings
$1,779.78
$889.9K
3,000
Apr 30, 2026
SANDBROOK WILLIAM J
Sell
-1,500
-16.4% of holdings
$1,732.67
$2.6M
7,666
Apr 29, 2026
Lane Brian E.
CHIEF EXECUTIVE OFF.
3 lots
Sell
-3,599
tax withholding (F)
avg $1,429.60
$5.1M
172,202
Apr 1, 2026
Trent T McKenna
PRESIDENT/CHIEF OPERATING OFF.
3 lots
Sell
-817
tax withholding (F)
avg $1,429.60
$1.2M
22,346
Apr 1, 2026
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
3 lots
Sell
-1,081
tax withholding (F)
avg $1,429.60
$1.5M
37,804
Apr 1, 2026
Reed Terrence
SVP & CHRO
3 lots
Sell
-273
tax withholding (F)
avg $1,429.60
$390.3K
2,968
Apr 1, 2026
Shaeff Julie
CHIEF ACCOUNTING OFFICER
2 lots
Sell
-232
tax withholding (F)
avg $1,429.59
$331.7K
13,747
Apr 1, 2026
Eslicker Rachel R.
SVP & GENERAL COUNSEL
3 lots
Sell
-99
tax withholding (F)
avg $1,429.60
$141.5K
608
Apr 1, 2026
Lane Brian E.
CHIEF EXECUTIVE OFF.
Sell
-910
tax withholding (F)
$1,408.25
$1.3M
175,801
Mar 23, 2026
Lane Brian E.
CHIEF EXECUTIVE OFF.
2 lots
Award
+5,188
RSU grant (A)
176,711
Mar 23, 2026
Trent T McKenna
PRESIDENT/CHIEF OPERATING OFF.
Sell
-204
tax withholding (F)
$1,408.25
$287.3K
23,163
Mar 23, 2026
Trent T McKenna
PRESIDENT/CHIEF OPERATING OFF.
2 lots
Award
+1,728
RSU grant (A)
23,367
Mar 23, 2026
Eslicker Rachel R.
SVP & GENERAL COUNSEL
Award
+217
RSU grant (A)
707
Mar 23, 2026
Reed Terrence
SVP & CHRO
Sell
-56
tax withholding (F)
$1,408.25
$78.9K
3,241
Mar 23, 2026
Reed Terrence
SVP & CHRO
2 lots
Award
+463
RSU grant (A)
3,297
Mar 23, 2026
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
Sell
-300
tax withholding (F)
$1,408.25
$422.5K
38,885
Mar 23, 2026
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
2 lots
Award
+1,361
RSU grant (A)
39,185
Mar 23, 2026
Shaeff Julie
CHIEF ACCOUNTING OFFICER
Sell
-84
tax withholding (F)
$1,408.25
$118.3K
14,066
Mar 23, 2026
Shaeff Julie
CHIEF ACCOUNTING OFFICER
2 lots
Award
+414
RSU grant (A)
14,150
Mar 23, 2026
ANDERSON DARCY
Sell
-4,500
-20.0% of holdings
$1,369.74
$6.2M
18,035
Mar 3, 2026
Reed Terrence
SVP & CHRO
Sell
-1,116
-28.3% of holdings
$1,397.33
$1.6M
2,834
Mar 3, 2026
Shaeff Julie
CHIEF ACCOUNTING OFFICER
Sell
-2,287
-14.3% of holdings
$1,382.15
$3.2M
13,736
Mar 3, 2026
MYERS FRANKLIN
Sell
-8,636
-10.5% of holdings
$1,472.56
$12.7M
73,995
Feb 25, 2026
Lane Brian E.
PRESIDENT/CHIEF EXECUTIVE OFF.
Sell
-9,365
-5.2% of holdings
$1,453.12
$13.6M
171,523
Feb 25, 2026
Reed Terrence
SVP & CHRO
Sell
-671
-14.5% of holdings
$1,457.17
$977.8K
3,950
Feb 24, 2026
SANDBROOK WILLIAM J
Sell
-2,500
-21.4% of holdings
$1,443.32
$3.6M
9,166
Feb 24, 2026
Skidmore Constance Ellen
Sell
-1,000
-7.3% of holdings
$1,425.00
$1.4M
12,627
Feb 24, 2026
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
Exercise
-9,000
strike $0.00
0
Feb 23, 2026
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
Sell
-9,000
-19.2% of holdings
$1,434.97
$12.9M
37,824
Feb 23, 2026
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
Exercise
+9,000
strike $42.50
$42.50
$382.5K
46,824
Feb 23, 2026
Mercado, Pablo G.
Sell
-500
-12.5% of holdings
$1,405.00
$702.5K
3,500
Feb 23, 2026
Howell Laura Finley
SVP & GENERAL COUNSEL
Sell
-1,000
-11.2% of holdings
$996.16
$996.2K
7,938
Dec 4, 2025
Page 1 of 4
Net Insider Activity by Quarter
Most Active Insiders — Trailing 12 Months
Lane Brian E.
PRESIDENT/CHIEF EXECUTIVE OFF.
2
8
-36,957
$-55.6M
May 5, 2026
MYERS FRANKLIN
1
12
-30,383
$-42.5M
Jun 24, 2026
GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER
5
14
-32,105
$-37.1M
May 11, 2026
ANDERSON DARCY
1
2
-8,395
$-10.0M
May 18, 2026
SANDBROOK WILLIAM J
1
6
-6,095
$-7.8M
May 18, 2026
Shaeff Julie
CHIEF ACCOUNTING OFFICER
2
6
-4,681
$-6.8M
May 11, 2026
Mercado, Pablo G.
1
4
-4,473
$-4.9M
May 18, 2026
Trent T McKenna
PRESIDENT/CHIEF OPERATING OFF.
2
5
-3,693
$-4.6M
Apr 1, 2026
Parsed from SEC Form 4 filings via EDGAR. Open-market transactions (codes P/S) shown with awards, exercises and withholding for context; 10b5-1 tag indicates a pre-planned trade. Same-day lots by one insider consolidated; each row links to the filing index. Updated daily.