Louis P. Maltezos - 10 Mar 2026 Form 4 Insider Report for Ameresco, Inc. (AMRC)

Reporting relationship: President-Central&West USA Can
Issuer ticker: AMRC
Reported as of: 10 Mar 2026
Net transaction value: -$7,745
SEC form: 4
Accepted by SEC: 12 Mar 2026, 20:39:42 UTC
Prior SEC filing: 12 Sep 2025
Next SEC filing: 19 May 2026
Source filing: View source filing
Reporting owner signature: /s/ David J. Corrsin, attorney-in-fact

Key filing fact

Louis P. Maltezos filed Form 4 for Ameresco, Inc. (AMRC) on 12 Mar 2026.

Key facts

This page summarizes Louis P. Maltezos's Form 4 filing for Ameresco, Inc. (AMRC).
5 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 12 Mar 2026, 20:39.

Change

Previous filing in this sequence was filed on 12 Sep 2025.
Current net transaction value: -$7,745.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001496402 Primary reporting owner

Maltezos Louis P

Relationship: President-Central&West USA Can
Address: C/O AMERESCO, INC., 111 SPEEN STREET, SUITE 410, FRAMINGHAM
Signature: /s/ David J. Corrsin, attorney-in-fact
Signature date: 12 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AMRC transaction

Class A Common Stock

Options Exercise

Transaction value
Shares: +875
Change %: +2.8%
Price: $0.000000^*
Shares after: 32,401
Date: 10 Mar 2026
Ownership: Direct

AMRC transaction

Class A Common Stock

Sale

Transaction value: $7,745
Shares: -306
Change %: -0.94%
Price: $25.31
Shares after: 32,095
Date: 12 Mar 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AMRC transaction Derivative

Stock Option (right to purchase)

Award

Transaction value
Shares: +20,000
Change %
Price: $0.000000^*
Shares after: 20,000
Date: 10 Mar 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 20,000
Exercise price: $26.36
Footnotes: F2

AMRC transaction Derivative

Restricted Stock Unit

Award

Transaction value
Shares: +5,000
Change %: +190%
Price: $0.000000^*
Shares after: 7,625
Date: 10 Mar 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 5,000
Exercise price
Footnotes: F3, F4

AMRC transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
Shares: -875
Change %: -11%
Price: $0.000000^*
Shares after: 6,750
Date: 10 Mar 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 875
Exercise price
Footnotes: F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

The shares were sold pursuant to an automatic sell-to-cover instruction signed September 5, 2025 solely to cover applicable withholding taxes in connection with the vesting of RSUs.

Footnote F2

Of the shares subject to the option, 20% vest on each of anniversary of the grant date of March 10, 2026 over a period of five years.

Footnote F3

Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

Footnote F4

Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.