Insider trading

Period: 120 months Stock: CWST Role: Directors × + Add filter Clear all
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When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

101 decisions over 120 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

101 decisions over 120 months Remove this filter
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

101 decisions over 120 months
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

101 decisions over 120 months
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
101 decisions over 120 months
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
101 decisions over 120 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

101 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
3 Sep 2026
BURKE MICHAEL K Director
Sold at will
$104.79K 1,100 at 95.26
7.5%
Not planned
26 Aug 2026
BURKE MICHAEL K Director
Sold at will
$102.29K 1,100 at 92.99
6.9%
Not planned
14 Aug 2026
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold at will
$122.37K 1,343 at 91.12
1.5%
Not planned
13 Aug 2026
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold at will 2×
$1.38M 15,157 at 91.05
14.2%
Not planned
26 May 2026
BURKE MICHAEL K Director
Sold at will
$201.83K 2,305 at 87.56
14.1%
Not planned
16 Mar 2026
CASELLA JOHN W Director
Sold on a plan
$153.07K 1,744 at 87.77
5.4%
Planned (10b5-1)
12 Mar 2026
CASELLA JOHN W Director
Sold on a plan
$86.73K 963 at 90.06
2.9%
Planned (10b5-1)
4 Nov 2025
Green Emily Nagle Director · indirect
Sold at will
$99.75K 1,116 at 89.38
16.5%
Not planned
13 Mar 2025
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold on a plan
$20.79K 200 at 103.93
0.2%
Planned (10b5-1)
12 Mar 2025
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold on a plan 2×
$52.99K 496 at 106.84
0.5%
Planned (10b5-1)
10 Mar 2025
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold at will 2×
$603.03K 5,387 at 111.94
4.8%
Not planned
13 Dec 2024
Sold at will
$219.06K 2,025 at 108.18
11.5%
Not planned
25 Nov 2024
BURKE MICHAEL K Director
Sold at will
$203.18K 1,800 at 112.88
10.6%
Not planned
22 Nov 2024
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold at will
$2.25M 20,000 at 112.26
14.8%
Not planned
6 Nov 2024
Green Emily Nagle Director · indirect
Sold at will
$78.33K 745 at 105.14
9.9%
Not planned
4 Nov 2024
Sold at will 2×
$998.18K 10,000 at 99.82
66.0%
Sold half or more
14 Mar 2024
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold on a plan
$36.82K 391 at 94.17
0.3%
Planned (10b5-1)
13 Mar 2024
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold on a plan
$63.40K 674 at 94.06
0.5%
Planned (10b5-1)
10 Aug 2023
Sold at will
$399.90K 5,000 at 79.98
26.7%
Not planned
9 Aug 2023
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold at will 2×
$1.76M 21,909 at 80.12
14.0%
Not planned
8 Aug 2023
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold at will 2×
$271.56K 3,394 at 80.01
2.1%
Not planned
15 Mar 2023
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold, plan not stated
$75.32K 916 at 82.23
0.6%
10 Nov 2022
BURKE MICHAEL K Director
Sold, plan not stated 2×
$356.18K 4,320 at 82.45
23.4%
7 Nov 2022
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold, plan not stated 2×
$1.87M 23,053 at 81.05
12.7%
4 Nov 2022
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold, plan not stated
$2.18M 26,947 at 80.93
12.9%
22 Aug 2022
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold, plan not stated
$1.68M 20,000 at 84.08
8.7%
12 Aug 2022
BURKE MICHAEL K Director
Sold, plan not stated 2×
$453.33K 5,350 at 84.73
21.9%
16 Mar 2022
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold, plan not stated
$123.35K 1,400 at 88.11
0.6%
15 Mar 2022
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold, plan not stated 3×
$1.46M 16,562 at 87.98
6.7%
14 Mar 2022
CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS
Sold, plan not stated 2×
$1.15M 13,431 at 85.97
5.2%
11 Mar 2022
Sold, plan not stated
$45.66K 500 at 91.31
1.9%
10 Mar 2022
BURKE MICHAEL K Director
Sold, plan not stated
$452.10K 5,000 at 90.42
18.0%
2 Mar 2022
Sold, plan not stated
$132.36K 1,700 at 77.86
6.1%
19 Nov 2021
Sold, plan not stated
$870.10K 10,000 at 87.01
38.8%
11 Aug 2021
CASELLA DOUGLAS R Vice Chairman, Bd of Directors
Sold, plan not stated 2×
$1.89M 27,259 at 69.16
9.5%
10 Aug 2021
CASELLA DOUGLAS R Vice Chairman, Bd of Directors
Sold, plan not stated
$572.66K 8,398 at 68.19
2.9%
9 Aug 2021
CASELLA DOUGLAS R Vice Chairman, Bd of Directors
Sold, plan not stated 2×
$4.39M 64,343 at 68.25
18.0%
16 Mar 2021
CASELLA DOUGLAS R Vice Chairman, Bd of Directors
Sold, plan not stated
$98.41K 1,526 at 64.49
0.4%
23 Feb 2021
Sold, plan not stated 2×
$253.05K 4,256 at 59.46
14.1%
24 Aug 2020
OCONNOR JAMES E Director
Sold, plan not stated
$416.43K 7,390 at 56.35
30.1%
21 Aug 2020
CALLAHAN JAMES F JR Director · indirect
Sold, plan not stated
$555.20K 10,000 at 55.52
20.1%
6 Aug 2020
CASELLA DOUGLAS R Vice Chairman, Bd of Directors
Sold, plan not stated
$10.95M 200,000 at 54.75
35.9%
6 Aug 2020
Sold, plan not stated
$276.10K 5,000 at 55.22
17.3%
19 May 2020
CASELLA DOUGLAS R Vice Chairman, Bd of Directors
Sold, plan not stated
$2.18M 43,768 at 49.76
7.3%
18 May 2020
Sold, plan not stated
$490.10K 10,000 at 49.01
20.7%
12 May 2020
Sold, plan not stated
$243.75K 5,000 at 48.75
15.6%
13 Mar 2020
CASELLA DOUGLAS R Vice Chairman, Bd of Directors
Sold, plan not stated
$43.37K 1,014 at 42.77
0.2%
4 Mar 2020
Sold, plan not stated
$104.98K 2,000 at 52.49
6.5%
3 Mar 2020
CASELLA DOUGLAS R Vice Chairman, Bd of Directors
Sold, plan not stated
$58.72K 1,195 at 49.14
0.2%
2 Mar 2020
PETERS GREGORY B Director
Sold, plan not stated
$288.24K 6,000 at 48.04
7.2%
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