Ameresco (AMRC) CEO receives 100,000 options and RSU grants

Rhea-AI Filing Summary

Ameresco, Inc. President and CEO George P. Sakellaris reported several equity awards and an option exercise. He received a grant of stock options for 100,000 shares of Class A Common Stock at an exercise price of $26.36 per share, and a grant of 10,000 restricted stock units (RSUs). On the same date, he exercised 3,750 RSUs, converting them into 3,750 shares of Class A Common Stock. After these transactions, he directly holds 988,597 shares of Class A Common Stock, 100,000 options, and 17,500 RSUs. The filing also notes 200,000 shares held indirectly by his spouse, for which he disclaims beneficial ownership.

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

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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^*

Sakellaris George P

(Last) (First) (Middle)

C/O AMERESCO, INC.

111 SPEEN STREET, SUITE 410

(Street)

FRAMINGHAM MA 01701

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/10/2026

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

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

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

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	03/10/2026		M		3,750	A	$0	988,597	D
Class A Common Stock								200,000	I	By spouse(1)

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)	$26.36	03/10/2026		A		100,000		(2)	(2)	Class A Common Stock	100,000	$0	100,000	D
Restricted Stock Unit	(3)	03/10/2026		A		10,000		(4)	(4)	Class A Common Stock	10,000	$0	21,250	D
Restricted Stock Unit	(3)	03/10/2026		M			3,750	(4)	(4)	Class A Common Stock	3,750	$0	17,500	D

Explanation of Responses:

1. The reporting person disclaims beneficial ownership of the shares held by his spouse, and this report should not be deemed an admission that the reporting person is the beneficial owner of his spouse's shares for purposes of Section 16 or for any other purpose.

2. 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.

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

4. Each RSUs represents a contingent right to receive one share of Common Stock and vest over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

Remarks:

	/s/ David J. Corrsin, attorney-in-fact	03/12/2026
	** 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).
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FAQ

What equity awards did Ameresco (AMRC) CEO George P. Sakellaris receive?

George P. Sakellaris received 100,000 stock options and 10,000 RSUs. The options allow purchase of Ameresco Class A Common Stock at $26.36 per share, while each restricted stock unit represents a contingent right to receive one share of Class A Common Stock.

Did the Ameresco (AMRC) CEO buy or sell shares in this Form 4?

The CEO did not report any open-market buys or sells. He exercised 3,750 restricted stock units into 3,750 shares of Class A Common Stock, which is a conversion of existing awards rather than a market purchase or sale.

How many Ameresco (AMRC) shares does the CEO hold after these transactions?

After these transactions, the CEO directly holds 988,597 shares. In addition, he holds 100,000 stock options and 17,500 restricted stock units. The filing also reports 200,000 shares held by his spouse, for which he disclaims beneficial ownership.

What are the key terms of the new Ameresco (AMRC) stock option grant?

The new option grant covers 100,000 shares at a $26.36 exercise price. According to the filing, 20% of the shares vest on each anniversary of the March 10, 2026 grant date, over a period of five years.

How do the Ameresco (AMRC) restricted stock units for the CEO vest?

Each RSU converts into one share of Ameresco Class A Common Stock. One RSU grant vests over two years, with 25% vesting on each six-month anniversary of the applicable grant date, as described in the filing footnotes.

What indirect Ameresco (AMRC) holdings related to the CEO are disclosed?

The filing shows 200,000 shares held indirectly by the CEO’s spouse. It states that George P. Sakellaris disclaims beneficial ownership of these spouse-held shares and that the report should not be deemed an admission of beneficial ownership for any purpose.