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Ameresco (AMRC) CEO George Sakellaris reports 7,000-share open-market stock purchase

(High)
(Positive)
Form Type
4

Rhea-AI Filing Summary

Ameresco, Inc. Chief Executive Officer and 10% owner George P. Sakellaris reported open-market purchases of Class A Common Stock totaling 7,000 shares over three days. He bought 5,000 shares on August 7, 2026, 1,000 shares on August 10, 2026, and 1,000 shares on August 11, 2026 at weighted average prices between about $25.22 and $26.20 per share. Additional entries list 1,100,000 shares held indirectly by a trust for his children and 200,000 shares held by his spouse, for which he disclaims beneficial ownership.

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Insider Sakellaris George P
Role Chief Executive Officer
Bought 7,000 shs ($181K)
Type Security Shares Price Value
Purchase Class A Common Stock F3 1,000 $25.90 $26K
Purchase Class A Common Stock F2 1,000 $25.27 $25K
Purchase Class A Common Stock F1 5,000 $25.95 $130K
holding Class A Common Stock F4 -- -- --
holding Class A Common Stock F5 -- -- --
Holdings After Transaction: Class A Common Stock — 995,597 shares (Direct); Class A Common Stock — 1,100,000 shares (Indirect, By trust); Class A Common Stock — 200,000 shares (Indirect, By spouse)
Footnotes (5)
  1. F1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $25.64 to $26.20, inclusive.
  2. F2. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $25.22 to $25.31, inclusive.
  3. F3. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $25.70 to $26.00, inclusive. The reporting person undertakes to provide to Ameresco, Inc., any security holder of Ameresco, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnotes 1 through 3 to this Form 4.
  4. F4. Shares held by a trust for the benefit of the reporting person's children, who share the reporting person's household. The reporting person may be deemed the beneficial owner of the shares held by the trust. The reporting person disclaims beneficial ownership of the shares held by the trust, and this report should not be deemed an admission that the reporting person is the beneficial owner of the trust's shares for purposes of Section 16 or for any other purpose.
  5. F5. 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.
Shares purchased 2026-08-07 5,000 shares at $25.95 per share Open-market purchase of Class A Common Stock with weighted average price (range $25.64–$26.20)
Shares purchased 2026-08-10 1,000 shares at $25.27 per share Open-market purchase with weighted average price (range $25.22–$25.31)
Shares purchased 2026-08-11 1,000 shares at $25.90 per share Open-market purchase with weighted average price (range $25.70–$26.00)
Indirect trust holdings 1,100,000 shares Class A Common Stock held by a trust for the reporting person’s children; beneficial ownership disclaimed
Indirect spouse holdings 200,000 shares Class A Common Stock held by spouse; beneficial ownership disclaimed by reporting person
Total shares purchased 7,000 shares Sum of three reported open-market purchases of Class A Common Stock in August 2026
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
beneficial owner financial
"The reporting person may be deemed the beneficial owner of the shares held by the trust."
A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.
disclaims beneficial ownership financial
"The reporting person disclaims beneficial ownership of the shares held by the trust."
Section 16 regulatory
"for purposes of Section 16 or for any other purpose."
Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

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

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FAQ

What insider transactions did Ameresco (AMRC) report for George P. Sakellaris?

George P. Sakellaris reported three open-market purchases of Ameresco Class A Common Stock totaling 7,000 shares on August 7, 10, and 11, 2026. All transactions were coded as purchases of non-derivative shares.

At what prices did the Ameresco (AMRC) CEO buy shares in August 2026?

The CEO’s reported purchases used weighted average prices of $25.95, $25.27, and $25.90 per share. Footnotes state these reflect multiple trades in ranges from $25.22 to $26.20 per share.

How many Ameresco (AMRC) shares did George P. Sakellaris purchase in this Form 4?

George P. Sakellaris purchased a total of 7,000 shares of Ameresco Class A Common Stock. The buys comprised 5,000 shares on August 7, 2026 and 1,000 shares each on August 10 and August 11, 2026.

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

The Rule 10b5-1 checkbox in the report is not marked as affirmative, and the footnotes do not describe any trading plan. The transactions are reported simply as open-market or private purchases of Class A Common Stock.
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*
Sakellaris George 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)
XDirectorX10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/07/2026
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 Stock08/07/2026P5,000A$25.95(1)993,597D
Class A Common Stock08/10/2026P1,000A$25.27(2)994,597D
Class A Common Stock08/11/2026P1,000A$25.9(3)995,597D
Class A Common Stock1,100,000IBy trust(4)
Class A Common Stock200,000IBy spouse(5)
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
Explanation of Responses:
1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $25.64 to $26.20, inclusive.
2. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $25.22 to $25.31, inclusive.
3. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $25.70 to $26.00, inclusive. The reporting person undertakes to provide to Ameresco, Inc., any security holder of Ameresco, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnotes 1 through 3 to this Form 4.
4. Shares held by a trust for the benefit of the reporting person's children, who share the reporting person's household. The reporting person may be deemed the beneficial owner of the shares held by the trust. The reporting person disclaims beneficial ownership of the shares held by the trust, and this report should not be deemed an admission that the reporting person is the beneficial owner of the trust's shares for purposes of Section 16 or for any other purpose.
5. 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.
Remarks:
/s/ David J. Corrsin, attorney-in-fact08/11/2026
** 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)