SCHEDULE 13G Filed 2026-08-27 Event — SEC 0001019056-26-000144 →

GAGNON SECURITIES LLC → Ameresco, Inc. AMRC

Stake: — Shares: — Class: Class A Common Stock

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

6 transactions

6 buys · 0 sales · 0 awards/exercises

Issuer Cluster

2 13D/G filings on this issuer

1 other filing besides this one

Filer Track Record

1 filings by this filer

0 other filings in the data moat

Short Interest · settle 2026-08-14

DTC 5.36

4,506,688 shares short · +0.6% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-08-27	Sakellaris George P	director, officer, 10%+ owner	Buy	4,000	$22.84	$91K
2026-08-26	Sakellaris George P	director, officer, 10%+ owner	Buy	1,000	$21.92	$22K
2026-08-11	Sakellaris George P	director, officer, 10%+ owner	Buy	1,000	$25.90	$26K
2026-08-10	Sakellaris George P	director, officer, 10%+ owner	Buy	1,000	$25.27	$25K
2026-08-10	Cox Brian C	director	Buy	39,700	$25.07	$995K
2026-08-07	Sakellaris George P	director, officer, 10%+ owner	Buy	5,000	$25.95	$130K

Other 13D/G Filings on Ameresco, Inc.

Filed	Form	Filer	Stake	Shares
2026-07-22	SCHEDULE 13G	MILLENNIUM MANAGEMENT LLC	—	—	view →

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