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Ameresco co-president exercises 2,125 RSUs

Ameresco Co-President Louis P. Maltezos exercised 2,125 RSUs into Class A shares and now holds 34,220 shares directly, plus 4,625 RSUs.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Ameresco, Inc. (AMRC) reported that Co-President Louis P. Maltezos exercised 2,125 Restricted Stock Units into 2,125 shares of Class A Common Stock on September 10, 2026, at a stated price of $0.00 per share. Following the transaction, he directly holds 34,220 Class A shares and 4,625 RSUs. Each RSU represents one share of Class A Common Stock and vests over two years, with 25% vesting on each 6‑month anniversary of the grant date. No Rule 10b5-1 trading plan is reported for these transactions.

Positive

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Negative

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Insider Maltezos Louis P
Role Co-President
Type Security Shares Price Value
Exercise Restricted Stock Unit F1, F2 2,125 $0.00 $0.00
Exercise Class A Common Stock 2,125 $0.00 $0.00
Holdings After Transaction: Restricted Stock Unit — 4,625 contracts (Direct); Class A Common Stock — 34,220 shares (Direct)
Footnotes (2)
  1. F1. Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").
  2. F2. Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.
RSUs exercised 2,125 units Restricted Stock Units converted into Class A Common Stock on September 10, 2026
Class A shares acquired 2,125 shares Shares of Ameresco Class A Common Stock received upon RSU exercise
Class A shares held after transaction 34,220 shares Direct holdings of Louis P. Maltezos following the September 10, 2026 RSU exercise
RSUs held after transaction 4,625 units Remaining Restricted Stock Units after the reported derivative exercise
RSU vesting rate 25% every 6 months Each RSU vests over two years, 25% on each 6‑month anniversary of grant
Restricted Stock Unit financial
"The filing reports transactions in a security titled "Restricted Stock Unit""
A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.
Class A Common Stock financial
"Each RSU represents a contingent right to receive one share of 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.
derivative security financial
"The RSUs are reported as a derivative security exercised into Class A Common Stock"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
Rule 10b5-1 trading plan regulatory
"The document-level Rule 10b5-1 checkbox is not selected for these transactions"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

FAQ

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

What insider transaction did AMRC Co-President Louis P. Maltezos report?

He exercised 2,125 Restricted Stock Units into 2,125 shares of Ameresco Class A Common Stock on September 10, 2026, at a stated price of $0.00 per share, as part of an RSU conversion.

How many Ameresco (AMRC) shares does Louis P. Maltezos hold after this Form 4?

After the reported transactions, Louis P. Maltezos directly holds 34,220 shares of Ameresco Class A Common Stock and 4,625 Restricted Stock Units representing a contingent right to receive the same number of Class A shares.

What type of securities did the Ameresco (AMRC) Form 4 transaction involve?

The filing reports an exercise of Restricted Stock Units (RSUs), a derivative security, converting into Class A Common Stock. Each RSU represents a contingent right to receive one share of Ameresco Class A Common Stock upon vesting and settlement.

How do Louis P. Maltezos’s Ameresco (AMRC) RSUs vest?

The Form 4 states that each RSU vests over two years, with 25% of the award vesting on each 6‑month anniversary of the applicable grant date, until fully vested, after which shares of Class A Common Stock are delivered.

Were the Ameresco (AMRC) insider transactions under a Rule 10b5-1 trading plan?

No. The Rule 10b5-1 checkbox in the Form 4 is not selected, and there is no footnote stating that these transactions were made pursuant to a Rule 10b5-1 trading plan or similar pre-arranged trading arrangement.

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

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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*
Maltezos Louis P

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Co-President
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/10/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Class A Common Stock09/10/2026M2,125A$034,220D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Unit(1)09/10/2026M2,125 (2) (2)Class A Common Stock2,125$04,625D
Explanation of Responses:
1. Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").
2. Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.
Remarks:
/s/ John W. Pickett, attorney-in-fact09/14/2026
** Signature of Reporting PersonDate
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)

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