Ameresco director exercises options for 10,000 shares

Ameresco director Joseph W. Sutton exercised stock options to acquire 10,000 shares of Class A Common Stock at an exercise price of $4.74 per share on April 23, 2026.

Rhea-AI Filing Summary

Ameresco director Joseph W. Sutton exercised stock options to acquire 10,000 shares of Class A Common Stock at an exercise price of $4.74 per share on April 23, 2026. After this derivative exercise, he directly holds 60,111 shares of Ameresco Class A Common Stock.

The exercised option covered 10,000 underlying shares and now shows zero remaining following the transaction, indicating it has been fully exercised. According to the disclosed vesting terms, 20% of the option vested on May 26, 2017, with the remainder vesting in four equal annual installments on subsequent anniversaries of that date.

Insider Trade Summary

10,000 shares exercised/converted

Exercise 2 txns

Insider Sutton Joseph W.

Role Director

Type	Security	Shares	Price	Value
Exercise	Stock Option (right to purchase)	10,000	$0.00	$0.00
Exercise	Class A Common Stock	10,000	$4.74	$47K

Holdings After Transaction: Stock Option (right to purchase) — 0 contracts (Direct); Class A Common Stock — 60,111 shares (Direct)

Footnotes (1)

1. F1. Of the shares subject to the option, 20% vest on May 26, 2017, and the remainder vest in four equal installments on each of the subsequent four anniversaries of such date.

Key Figures

Shares acquired via option exercise: 10,000 shares Exercise price: $4.74 per share Shares held after transaction: 60,111 shares +3 more

6 metrics

Shares acquired via option exercise 10,000 shares Class A Common Stock acquired on April 23, 2026

Exercise price $4.74 per share Stock option exercise price for 10,000 shares

Shares held after transaction 60,111 shares Direct holdings of Class A Common Stock after exercise

Underlying option shares 10,000 shares Stock option (right to purchase) underlying Class A Common Stock

Option expiration date May 25, 2026 Expiration date of the exercised stock option

Initial vesting date May 26, 2017 20% of option vested; remainder in four annual installments

Key Terms

Stock Option (right to purchase), Class A Common Stock, Exercise or conversion of derivative security, vesting

4 terms

Stock Option (right to purchase) financial

"security_title": "Stock Option (right to purchase)""

Class A Common Stock financial

"security_title": "Class A Common Stock""

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Exercise or conversion of derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

vesting financial

"20% vest on May 26, 2017, and the remainder vest in four equal installments"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Ameresco (AMRC) director Joseph W. Sutton report?

Joseph W. Sutton reported exercising stock options to acquire 10,000 shares of Ameresco Class A Common Stock. The transaction, dated April 23, 2026, reflects a derivative exercise rather than an open-market purchase or sale, changing how his compensation and equity exposure are structured.

At what price were Joseph W. Sutton’s Ameresco (AMRC) options exercised?

The options were exercised at an exercise price of $4.74 per share for 10,000 underlying shares. This fixed price was set in the original option grant and determines Sutton’s cost basis for the newly acquired Class A Common Stock shares.

How many Ameresco (AMRC) shares does Joseph W. Sutton hold after this Form 4?

Following the option exercise, Joseph W. Sutton directly holds 60,111 shares of Ameresco Class A Common Stock. This post-transaction figure reflects his updated equity position as reported and helps investors understand his ongoing ownership stake in the company.

What happened to Joseph W. Sutton’s stock option position in Ameresco (AMRC)?

The reported stock option covering 10,000 underlying shares was fully exercised, leaving zero derivative shares remaining under that award. This converts his derivative claim into actual Class A Common Stock, eliminating that particular option position from his holdings.

How did Joseph W. Sutton’s Ameresco (AMRC) option vest over time?

The option’s vesting schedule provided that 20% of the shares vested on May 26, 2017, with the remaining 80% vesting in four equal annual installments. This structure gradually increased Sutton’s exercisable portion over several years before the full 10,000-share exercise.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/28/2026 - 04:05 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Sutton Joseph W.

(Last) (First) (Middle)

C/O AMERESCO, INC.

111 SPEEN STREET, SUITE 410

(Street)

FRAMINGHAM MASSACHUSETTS 01701

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Ameresco, Inc. [ AMRC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/23/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	04/23/2026		M		10,000	A	$4.74	60,111	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to purchase)	$4.74	04/23/2026		M			10,000	(1)	05/25/2026	Class A Common Stock	10,000	$0	0	D

Explanation of Responses:

1. Of the shares subject to the option, 20% vest on May 26, 2017, and the remainder vest in four equal installments on each of the subsequent four anniversaries of such date.

Remarks:

	/s/ David J. Corrsin, Attornney-in-fact	04/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)