Casella Waste Systems Ownership & Insider Activity

Casella Waste Systems (CWST) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 2.1% of shares outstanding. Institutional investors hold 94.2%. Over the past 90 days, insiders made 3 sales worth $1.7M.

Shares Outstanding

63.610M

Shares Float

46.749M

Insider Shares Owned

1.360M

Insider % Owned

2.1%

Institutional Shares Held

59.937M

Institutional % Held

94.2%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$1.7M total

Net Activity

Net Selling

Net Value (90d)

-$1.7M

Casella Waste Systems Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 3, 2026	Michael K Burke	DIRECTOR	SELL	1.100K	$95.26	$105K
Aug 26, 2026	Michael K Burke	DIRECTOR	SELL	1.100K	$92.99	$102K
Aug 13, 2026	Douglas R Casella	VICE CHAIRMAN, BD OF DIRECTORS	SELL	16.500K	$91.05	$1.5M
May 26, 2026	Michael K Burke	DIRECTOR	SELL	2.305K	$87.56	$202K
May 19, 2026	Edmond Coletta	PRESIDENT & CEO	SELL	12.500K	$89.56	$1.1M

Date	Member	Party	Chamber	Action	Amount
May 12, 2025	Jefferson Shreve	R	House	Sale	$50,001 - $100,000