CWST

Casella Waste Systems INC

Insider trading activity for Casella Waste Systems INC, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$1.7M

net selling

Bought(0 · 0 insiders): $0
Sold(5 · 2 insiders): $1.7M

Past 6 months

-$3M

net selling

Bought(0 · 0 insiders): $0
Sold(9 · 3 insiders): $3M

Past 12 months

-$5.6M

net selling

Bought(0 · 0 insiders): $0
Sold(28 · 9 insiders): $5.6M

Transaction history

The 74 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 3	Burke Michael K	Director	SSELL	1,100	$95.26	$104.8K	-7.5%	Open the original filing on SEC.gov
Aug 26	Burke Michael K	Director	SSELL	1,100	$92.99	$102.3K	-6.9%	Open the original filing on SEC.gov
Aug 14	Casella Douglas R	Vice Chairman, Bd of…	SSELL	1,343	$91.12	$122.4K	-1.5%	Open the original filing on SEC.gov
Aug 13	Casella Douglas R	Vice Chairman, Bd of…	SSELL	13,319	$91.07	$1.2M	-12.7%	Open the original filing on SEC.gov
Aug 13	Casella Douglas R	Vice Chairman, Bd of…	SSELL	1,838	$90.89	$167.1K	-1.7%	Open the original filing on SEC.gov
Aug 11	Ribar Damian Andrew	Executive VP and COO	AGRANT◆	25,000	—	—	—	Open the original filing on SEC.gov
Jun 8	Green Emily Nagle	Director	GGIFT	600	—	—	-3.4%	Open the original filing on SEC.gov
Jun 4	Sova Gary	Director	AGRANT	1,793	$83.65	$150K	+28.0%	Open the original filing on SEC.gov
Jun 4	Kirk Rose M.	Director	AGRANT	1,793	$83.65	$150K	+22.3%	Open the original filing on SEC.gov
Jun 4	Green Emily Nagle	Director	AGRANT	1,793	$83.65	$150K	+11.4%	Open the original filing on SEC.gov
Jun 4	Hulligan William P	Director	AGRANT	1,793	$83.65	$150K	+28.2%	Open the original filing on SEC.gov
Jun 4	Doody Joseph	Director	AGRANT	1,793	$83.65	$150K	+15.8%	Open the original filing on SEC.gov
Jun 4	Casella Douglas R	Vice Chairman, Bd of…	AGRANT	1,793	$83.65	$150K	+1.7%	Open the original filing on SEC.gov
Jun 4	Battles Michael Louis	Director	AGRANT	1,793	$83.65	$150K	+21.1%	Open the original filing on SEC.gov
Jun 4	Burke Michael K	Director	AGRANT	1,793	$83.65	$150K	+12.8%	Open the original filing on SEC.gov
Jun 1	Casella John W	Director	GGIFT	30,800	—	—	+22.5%	Open the original filing on SEC.gov
Jun 1	Casella John W	Director	GGIFT	30,800	—	—	-53.9%	Open the original filing on SEC.gov
Jun 1	Casella John W	Director	GGIFT	36,200	—	—	+27.0%	Open the original filing on SEC.gov
Jun 1	Casella John W	Director	GGIFT	36,200	—	—	-21.8%	Open the original filing on SEC.gov
May 26	Burke Michael K	Director	SSELL	2,305	$87.56	$201.8K	-14.1%	Open the original filing on SEC.gov
May 19	Coletta Edmond	President & CEO	SSELL	4,907	$90.07	$442K	-3.4%	Open the original filing on SEC.gov
May 19	Coletta Edmond	President & CEO	SSELL	1,593	$90.00	$143.4K	-1.1%	Open the original filing on SEC.gov
May 19	Coletta Edmond	President & CEO	SSELL	6,000	$89.03	$534.2K	-3.9%	Open the original filing on SEC.gov
Mar 18	Casella Douglas R	Vice Chairman, Bd of…	GGIFT↺	40,000	—	—	+30.5%	Open the original filing on SEC.gov
Mar 17	Casella Douglas R	Vice Chairman, Bd of…	GGIFT↺	33,000	—	—	+24.1%	Open the original filing on SEC.gov
Mar 16	Steves Sean	Sr VP & COO of SW Ops	SSELL◷	197	$87.80	$17.3K	-2.1%	Open the original filing on SEC.gov
Mar 16	Drohan Kevin	VP & Chief Accounting…	SSELL◷	85	$87.73	$7.5K	-1.1%	Open the original filing on SEC.gov
Mar 16	Sayward Shelley E.	Senior VP & General…	SSELL◷	362	$87.73	$31.8K	-1.3%	Open the original filing on SEC.gov
Mar 16	Helgeson Bradford John	Executive VP and CFO	SSELL◷	405	$87.73	$35.5K	-5.2%	Open the original filing on SEC.gov
Mar 16	Coletta Edmond	President & CEO	SSELL◷	988	$87.81	$86.8K	-0.6%	Open the original filing on SEC.gov
Mar 16	Casella John W	Director	SSELL◷	1,744	$87.77	$153.1K	-5.4%	Open the original filing on SEC.gov
Mar 16	Rains Christopher Alan	Sr. VP & Chief Revenue…	AGRANT	989	—	—	—	Open the original filing on SEC.gov
Mar 12	Steves Sean	Sr VP & COO of SW Ops	SSELL◷	97	$89.71	$8.7K	-1.0%	Open the original filing on SEC.gov
Mar 12	Drohan Kevin	VP & Chief Accounting…	SSELL◷	55	$89.52	$4.9K	-0.7%	Open the original filing on SEC.gov
Mar 12	Drohan Kevin	VP & Chief Accounting…	AGRANT◷	551	—	—	+7.4%	Open the original filing on SEC.gov
Mar 12	Sayward Shelley E.	Senior VP & General…	SSELL◷	129	$89.71	$11.6K	-0.4%	Open the original filing on SEC.gov
Mar 12	Sayward Shelley E.	Senior VP & General…	AGRANT◷	1,654	—	—	+6.1%	Open the original filing on SEC.gov
Mar 12	Helgeson Bradford John	Executive VP and CFO	AGRANT◷	2,756	—	—	+55.2%	Open the original filing on SEC.gov
Mar 12	Coletta Edmond	President & CEO	SSELL◷	377	$89.80	$33.9K	-0.2%	Open the original filing on SEC.gov
Mar 12	Coletta Edmond	President & CEO	AGRANT◷	6,892	—	—	+4.7%	Open the original filing on SEC.gov
Mar 12	Casella John W	Director	SSELL◷	963	$90.06	$86.7K	-2.9%	Open the original filing on SEC.gov
Mar 12	Casella John W	Director	AGRANT◷	5,513	—	—	+19.7%	Open the original filing on SEC.gov
Feb 27	Steves Sean	Sr VP & COO of SW Ops	SSELL	1,199	$92.89	$111.4K	-11.0%	Open the original filing on SEC.gov
Feb 27	Drohan Kevin	VP & Chief Accounting…	SSELL	675	$92.61	$62.5K	-8.3%	Open the original filing on SEC.gov
Feb 27	Sayward Shelley E.	Senior VP & General…	SSELL	1,591	$92.91	$147.8K	-5.5%	Open the original filing on SEC.gov
Feb 27	Coletta Edmond	President	SSELL	3,812	$93.70	$357.2K	-2.5%	Open the original filing on SEC.gov
Feb 27	Casella John W	Chief Executive Officer	SSELL	6,726	$93.10	$626.2K	-19.4%	Open the original filing on SEC.gov
Feb 26	Steves Sean	Sr VP & COO of SW Ops	AGRANT	3,433	—	—	+46.2%	Open the original filing on SEC.gov
Feb 26	Drohan Kevin	VP & Chief Accounting…	AGRANT	2,452	—	—	+43.1%	Open the original filing on SEC.gov
Feb 26	Sayward Shelley E.	Senior VP & General…	AGRANT	4,598	—	—	+19.0%	Open the original filing on SEC.gov
Feb 26	Coletta Edmond	President	AGRANT	9,810	—	—	+7.0%	Open the original filing on SEC.gov
Feb 26	Casella John W	Chief Executive Officer	AGRANT	23,299	—	—	+204.1%	Open the original filing on SEC.gov
Dec 8, 2025	Coletta Edmond	President	SSELL	7,000	$100.07	$700.5K	-4.7%	Open the original filing on SEC.gov
Dec 8, 2025	Coletta Edmond	President	GGIFT	2,000	—	—	-1.3%	Open the original filing on SEC.gov
Dec 8, 2025	Casella Douglas R	Vice Chairman, Bd of…	GGIFT	3,900	—	—	-3.6%	Open the original filing on SEC.gov
Nov 7, 2025	Helgeson Bradford John	Executive VP and CFO	SSELL◷	262	$87.65	$23K	-5.0%	Open the original filing on SEC.gov
Nov 5, 2025	Green Emily Nagle	Director	GGIFT	1,130	—	—	-6.7%	Open the original filing on SEC.gov
Nov 4, 2025	Green Emily Nagle	Director	SSELL	1,116	$89.38	$99.7K	-16.5%	Open the original filing on SEC.gov
Aug 4, 2025	Ligon Paul	SR VP of Sustainable…	SSELL◷	1,000	$102.84	$102.8K	-5.2%	Open the original filing on SEC.gov
Jun 5, 2025	Hulligan William P	Director	AGRANT	1,215	$115.17	$139.9K	+23.6%	Open the original filing on SEC.gov
Jun 5, 2025	Doody Joseph	Director	AGRANT	434	$115.17	$50K	+4.0%	Open the original filing on SEC.gov
Jun 5, 2025	Doody Joseph	Director	AGRANT	1,215	$115.17	$139.9K	+12.5%	Open the original filing on SEC.gov
Jun 5, 2025	Green Emily Nagle	Director	AGRANT	1,215	$115.17	$139.9K	+7.8%	Open the original filing on SEC.gov
Jun 5, 2025	Sova Gary	Director	AGRANT	1,215	$115.17	$139.9K	+23.4%	Open the original filing on SEC.gov
Jun 5, 2025	Kirk Rose M.	Director	AGRANT	1,215	$115.17	$139.9K	+17.8%	Open the original filing on SEC.gov
Jun 5, 2025	Battles Michael Louis	Director	AGRANT	1,215	$115.17	$139.9K	+16.7%	Open the original filing on SEC.gov
Jun 5, 2025	Burke Michael K	Director	AGRANT	1,215	$115.17	$139.9K	+8.0%	Open the original filing on SEC.gov
Jun 3, 2025	Ligon Paul	SR VP of Sustainable…	SSELL◷	1,000	$116.98	$117K	-4.9%	Open the original filing on SEC.gov
May 8, 2025	Casella John W	Chief Executive Officer	SSELL	18,093	$119.87	$2.2M	-61.3%	Open the original filing on SEC.gov
May 6, 2025	Coletta Edmond	President	SSELL	5,562	$119.18	$662.9K	-3.6%	Open the original filing on SEC.gov
Apr 16, 2025	Ligon Paul	SR VP of Sustainable…	SSELL◷	100	$120.32	$12K	-0.5%	Open the original filing on SEC.gov
Apr 16, 2025	Ligon Paul	SR VP of Sustainable…	SSELL◷	700	$119.62	$83.7K	-3.3%	Open the original filing on SEC.gov
Apr 16, 2025	Ligon Paul	SR VP of Sustainable…	SSELL◷	400	$118.66	$47.5K	-1.9%	Open the original filing on SEC.gov
Apr 16, 2025	Ligon Paul	SR VP of Sustainable…	SSELL◷	800	$117.65	$94.1K	-3.6%	Open the original filing on SEC.gov

SSELL$104.8K

Burke Michael K · DirectorSep 3

1,100 sh @ $95.26 · -7.5% own

SSELL$102.3K

Burke Michael K · DirectorAug 26

1,100 sh @ $92.99 · -6.9% own

SSELL$122.4K

Casella Douglas R · Vice Chairman, Bd…Aug 14

1,343 sh @ $91.12 · -1.5% own

SSELL$1.2M

Casella Douglas R · Vice Chairman, Bd…Aug 13

13,319 sh @ $91.07 · -12.7% own

SSELL$167.1K

Casella Douglas R · Vice Chairman, Bd…Aug 13

1,838 sh @ $90.89 · -1.7% own

AGRANT◆—

Ribar Damian Andrew · Executive VP and…Aug 11

25,000 sh

GGIFT—

Green Emily Nagle · DirectorJun 8

600 sh · -3.4% own

AGRANT$150K

Sova Gary · DirectorJun 4

1,793 sh @ $83.65 · +28.0% own

AGRANT$150K

Kirk Rose M. · DirectorJun 4

1,793 sh @ $83.65 · +22.3% own

AGRANT$150K

Green Emily Nagle · DirectorJun 4

1,793 sh @ $83.65 · +11.4% own

AGRANT$150K

Hulligan William P · DirectorJun 4

1,793 sh @ $83.65 · +28.2% own

AGRANT$150K

Doody Joseph · DirectorJun 4

1,793 sh @ $83.65 · +15.8% own

AGRANT$150K

Casella Douglas R · Vice Chairman, Bd…Jun 4

1,793 sh @ $83.65 · +1.7% own

AGRANT$150K

Battles Michael Louis · DirectorJun 4

1,793 sh @ $83.65 · +21.1% own

AGRANT$150K

Burke Michael K · DirectorJun 4

1,793 sh @ $83.65 · +12.8% own

GGIFT—

Casella John W · DirectorJun 1

30,800 sh · +22.5% own

GGIFT—

Casella John W · DirectorJun 1

30,800 sh · -53.9% own

GGIFT—

Casella John W · DirectorJun 1

36,200 sh · +27.0% own

GGIFT—

Casella John W · DirectorJun 1

36,200 sh · -21.8% own

SSELL$201.8K

Burke Michael K · DirectorMay 26

2,305 sh @ $87.56 · -14.1% own

SSELL$442K

Coletta Edmond · President & CEOMay 19

4,907 sh @ $90.07 · -3.4% own

SSELL$143.4K

Coletta Edmond · President & CEOMay 19

1,593 sh @ $90.00 · -1.1% own

SSELL$534.2K

Coletta Edmond · President & CEOMay 19

6,000 sh @ $89.03 · -3.9% own

GGIFT↺—

Casella Douglas R · Vice Chairman, Bd…Mar 18

40,000 sh · +30.5% own

GGIFT↺—

Casella Douglas R · Vice Chairman, Bd…Mar 17

33,000 sh · +24.1% own

SSELL◷$17.3K

Steves Sean · Sr VP & COO of SW…Mar 16

197 sh @ $87.80 · -2.1% own

SSELL◷$7.5K

Drohan Kevin · VP & Chief Account…Mar 16

85 sh @ $87.73 · -1.1% own

SSELL◷$31.8K

Sayward Shelley E. · Senior VP &…Mar 16

362 sh @ $87.73 · -1.3% own

SSELL◷$35.5K

Helgeson Bradford John · Executive VP and…Mar 16

405 sh @ $87.73 · -5.2% own

SSELL◷$86.8K

Coletta Edmond · President & CEOMar 16

988 sh @ $87.81 · -0.6% own

SSELL◷$153.1K

Casella John W · DirectorMar 16

1,744 sh @ $87.77 · -5.4% own

AGRANT—

Rains Christopher Alan · Sr. VP & Chief…Mar 16

989 sh

SSELL◷$8.7K

Steves Sean · Sr VP & COO of SW…Mar 12

97 sh @ $89.71 · -1.0% own

SSELL◷$4.9K

Drohan Kevin · VP & Chief Account…Mar 12

55 sh @ $89.52 · -0.7% own

AGRANT◷—

Drohan Kevin · VP & Chief Account…Mar 12

551 sh · +7.4% own

SSELL◷$11.6K

Sayward Shelley E. · Senior VP &…Mar 12

129 sh @ $89.71 · -0.4% own

AGRANT◷—

Sayward Shelley E. · Senior VP &…Mar 12

1,654 sh · +6.1% own

AGRANT◷—

Helgeson Bradford John · Executive VP and…Mar 12

2,756 sh · +55.2% own

SSELL◷$33.9K

Coletta Edmond · President & CEOMar 12

377 sh @ $89.80 · -0.2% own

AGRANT◷—

Coletta Edmond · President & CEOMar 12

6,892 sh · +4.7% own

SSELL◷$86.7K

Casella John W · DirectorMar 12

963 sh @ $90.06 · -2.9% own

AGRANT◷—

Casella John W · DirectorMar 12

5,513 sh · +19.7% own

SSELL$111.4K

Steves Sean · Sr VP & COO of SW…Feb 27

1,199 sh @ $92.89 · -11.0% own

SSELL$62.5K

Drohan Kevin · VP & Chief Account…Feb 27

675 sh @ $92.61 · -8.3% own

SSELL$147.8K

Sayward Shelley E. · Senior VP &…Feb 27

1,591 sh @ $92.91 · -5.5% own

SSELL$357.2K

Coletta Edmond · PresidentFeb 27

3,812 sh @ $93.70 · -2.5% own

SSELL$626.2K

Casella John W · Chief Executive…Feb 27

6,726 sh @ $93.10 · -19.4% own

AGRANT—

Steves Sean · Sr VP & COO of SW…Feb 26

3,433 sh · +46.2% own

AGRANT—

Drohan Kevin · VP & Chief Account…Feb 26

2,452 sh · +43.1% own

AGRANT—

Sayward Shelley E. · Senior VP &…Feb 26

4,598 sh · +19.0% own

AGRANT—

Coletta Edmond · PresidentFeb 26

9,810 sh · +7.0% own

AGRANT—

Casella John W · Chief Executive…Feb 26

23,299 sh · +204.1% own

SSELL$700.5K

Coletta Edmond · PresidentDec 8, 2025

7,000 sh @ $100.07 · -4.7% own

GGIFT—

Coletta Edmond · PresidentDec 8, 2025

2,000 sh · -1.3% own

GGIFT—

Casella Douglas R · Vice Chairman, Bd…Dec 8, 2025

3,900 sh · -3.6% own

SSELL◷$23K

Helgeson Bradford John · Executive VP and…Nov 7, 2025

262 sh @ $87.65 · -5.0% own

GGIFT—

Green Emily Nagle · DirectorNov 5, 2025

1,130 sh · -6.7% own

SSELL$99.7K

Green Emily Nagle · DirectorNov 4, 2025

1,116 sh @ $89.38 · -16.5% own

SSELL◷$102.8K

Ligon Paul · SR VP of Sustainab…Aug 4, 2025

1,000 sh @ $102.84 · -5.2% own

AGRANT$139.9K

Hulligan William P · DirectorJun 5, 2025

1,215 sh @ $115.17 · +23.6% own

AGRANT$50K

Doody Joseph · DirectorJun 5, 2025

434 sh @ $115.17 · +4.0% own

AGRANT$139.9K

Doody Joseph · DirectorJun 5, 2025

1,215 sh @ $115.17 · +12.5% own

AGRANT$139.9K

Green Emily Nagle · DirectorJun 5, 2025

1,215 sh @ $115.17 · +7.8% own

AGRANT$139.9K

Sova Gary · DirectorJun 5, 2025

1,215 sh @ $115.17 · +23.4% own

AGRANT$139.9K

Kirk Rose M. · DirectorJun 5, 2025

1,215 sh @ $115.17 · +17.8% own

AGRANT$139.9K

Battles Michael Louis · DirectorJun 5, 2025

1,215 sh @ $115.17 · +16.7% own

AGRANT$139.9K

Burke Michael K · DirectorJun 5, 2025

1,215 sh @ $115.17 · +8.0% own

SSELL◷$117K

Ligon Paul · SR VP of Sustainab…Jun 3, 2025

1,000 sh @ $116.98 · -4.9% own

SSELL$2.2M

Casella John W · Chief Executive…May 8, 2025

18,093 sh @ $119.87 · -61.3% own

SSELL$662.9K

Coletta Edmond · PresidentMay 6, 2025

5,562 sh @ $119.18 · -3.6% own

SSELL◷$12K

Ligon Paul · SR VP of Sustainab…Apr 16, 2025

100 sh @ $120.32 · -0.5% own

SSELL◷$83.7K

Ligon Paul · SR VP of Sustainab…Apr 16, 2025

700 sh @ $119.62 · -3.3% own

SSELL◷$47.5K

Ligon Paul · SR VP of Sustainab…Apr 16, 2025

400 sh @ $118.66 · -1.9% own

SSELL◷$94.1K

Ligon Paul · SR VP of Sustainab…Apr 16, 2025

800 sh @ $117.65 · -3.6% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 45 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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