Ameresco Ownership & Insider Activity

Ameresco (AMRC) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 7.5% of shares outstanding. Institutional investors hold 49.7%. Over the past 90 days, insiders made 8 purchases worth $1.9M and 2 sales worth $24K.

Shares Outstanding

53.066M

Shares Float

27.118M

Insider Shares Owned

3.962M

Insider % Owned

7.5%

Institutional Shares Held

26.351M

Institutional % Held

49.7%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$1.9M total

Sales (90d)

$24K total

Net Activity

Net Buying

Net Value (90d)

$1.9M

Ameresco Insider Transactions (Last 6 Months)

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Date	Insider	Title	Type	Shares	Price	Value
Sep 15, 2026	Mark Chiplock	EVP, CFO & CAO	SELL	476.000	$22.46	$11K
Sep 15, 2026	Louis Maltezos	CO-PRESIDENT	SELL	592.000	$22.46	$13K
Aug 28, 2026	George Sakellaris	CHIEF EXECUTIVE OFFICER	BUY	3.000K	$22.13	$66K
Aug 26, 2026	George Sakellaris	CHIEF EXECUTIVE OFFICER	BUY	5.000K	$22.66	$113K
Aug 24, 2026	Jennifer Miller	DIRECTOR	BUY	2.000K	$20.96	$42K
Aug 24, 2026	Joseph Sutton	DIRECTOR	BUY	9.700K	$20.87	$202K
Aug 24, 2026	George Sakellaris	CHIEF EXECUTIVE OFFICER	BUY	10.000K	$21.43	$214K
Aug 21, 2026	Brian Cox	DIRECTOR	BUY	4.625K	$21.64	$100K
Aug 10, 2026	Brian Cox	DIRECTOR	BUY	39.700K	$25.07	$995K
Aug 7, 2026	George Sakellaris	CHIEF EXECUTIVE OFFICER	BUY	7.000K	$25.85	$181K
May 29, 2026	FRANCIS WISNESKI V	DIRECTOR	SELL-OPTIONS	—	$20.96	$152K
May 19, 2026	FRANCIS WISNESKI V	DIRECTOR	SELL-OPTIONS	—	$18.04	$245K
May 18, 2026	Jennifer Miller	DIRECTOR	SELL-OPTIONS	—	$18.51	$275K
May 15, 2026	NICKOLAS STAVROPOULOS	DIRECTOR	SELL-OPTIONS	—	$25.16	$24K

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Congressional Trading Activity

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Date	Member	Party	Chamber	Action	Amount
Jun 17, 2021	Susie Lee	D	House	Sale	$1,001 - $15,000

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