AMRC

SEC source: 0001628280-26-062541 · wk-form4_1789677663.xml · nonDerivative · entry 1

Chiplock Mark · CIK 0001755243 · EVP, CFO & CAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,815

F1 · shares: The shares were sold pursuant to an automatic sell-to-cover instruction signed March 7, 2023 solely to cover applicable withholding taxes in connection with the vesting of RSUs.

SEC source: 0001628280-26-062540 · wk-form4_1789677655.xml · nonDerivative · entry 1

Maltezos Louis P · CIK 0001496402 · Co-President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,628

F1 · shares: The shares were sold pursuant to an automatic sell-to-cover instruction signed March 6, 2025 solely to cover applicable withholding taxes in connection with the vesting of RSUs.

SEC source: 0001628280-26-061870 · wk-form4_1789418552.xml · derivative · entry 2

Maltezos Louis P · CIK 0001496402 · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,625

Underlying: Class A Common Stock · 2,125 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F2 · derivative.exercise_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

F2 · derivative.expiration_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

SEC source: 0001628280-26-061870 · wk-form4_1789418552.xml · nonDerivative · entry 1

Maltezos Louis P · CIK 0001496402 · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,220

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-061871 · wk-form4_1789418557.xml · derivative · entry 4

Sakellaris George P · CIK 0001496665 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,250

Underlying: Class A Common Stock · 6,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

F5 · balance_after: Represents RSUs granted at various dates.

SEC source: 0001628280-26-061871 · wk-form4_1789418557.xml · nonDerivative · entry 1

Sakellaris George P · CIK 0001496665 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,019,847

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-061872 · wk-form4_1789418565.xml · derivative · entry 2

Chiplock Mark · CIK 0001755243 · EVP, CFO & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,375

Underlying: Class A Common Stock · 1,625 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F2 · derivative.exercise_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

F2 · derivative.expiration_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

F3 · balance_after: Represents RSUs granted at various dates.

SEC source: 0001628280-26-061872 · wk-form4_1789418565.xml · nonDerivative · entry 1

Chiplock Mark · CIK 0001755243 · EVP, CFO & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,291

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-061869 · wk-form4_1789418546.xml · derivative · entry 2

Christakis Peter · CIK 0001975772 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,750

Underlying: Class A Common Stock · 1,750 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F2 · derivative.exercise_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

F2 · derivative.expiration_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

F3 · balance_after: Represents RSUs granted at various dates.

SEC source: 0001628280-26-061869 · wk-form4_1789418546.xml · nonDerivative · entry 1

Christakis Peter · CIK 0001975772 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,106

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-061868 · wk-form4_1789418539.xml · derivative · entry 2

Bulgarino Nicole E · CIK 0001640972 · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,875

Underlying: Class A Common Stock · 875 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F2 · derivative.exercise_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date assuming continued service through the vesting date.

F2 · derivative.expiration_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date assuming continued service through the vesting date.

F3 · balance_after: Represents RSUs granted at various dates.

SEC source: 0001628280-26-061868 · wk-form4_1789418539.xml · nonDerivative · entry 1

Bulgarino Nicole E · CIK 0001640972 · Co-President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,171

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-059708 · wk-form4_1788264569.xml · nonDerivative · entry 1

Sakellaris George P · CIK 0001496665 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,013,597

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.87 to $22.80 , 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 this footnote 1 to this Form 4.

SEC source: 0001628280-26-059314 · wk-form4_1787874711.xml · nonDerivative · entry 2

Sakellaris George P · CIK 0001496665 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,010,597

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $22.59 to $23.00 , 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 and 2 to this Form 4.

SEC source: 0001628280-26-059314 · wk-form4_1787874711.xml · nonDerivative · entry 1

Sakellaris George P · CIK 0001496665 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,006,597

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.86 to $21.99, inclusive.

SEC source: 0001628280-26-059096 · wk-form4_1787776092.xml · nonDerivative · entry 3

Sakellaris George P · CIK 0001496665 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,005,597

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.80 to $22.15, 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 1,2 and 3 to this Form 4.

SEC source: 0001628280-26-059096 · wk-form4_1787776092.xml · nonDerivative · entry 2

Sakellaris George P · CIK 0001496665 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,001,535

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.88 to $21.79, inclusive.

SEC source: 0001628280-26-059097 · wk-form4_1787776098.xml · nonDerivative · entry 1

Sutton Joseph W. · CIK 0001496494 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,246

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.45 to $21.18, 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 this footnote 1 to this Form 4.

SEC source: 0001628280-26-059096 · wk-form4_1787776092.xml · nonDerivative · entry 1

Sakellaris George P · CIK 0001496665 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,000,597

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.56 to $21.19 , inclusive.

SEC source: 0001628280-26-059098 · wk-form4_1787776106.xml · nonDerivative · entry 1

Miller Jennifer L · CIK 0001633385 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,546

SEC source: 0001628280-26-058967 · wk-form4_1787700300.xml · nonDerivative · entry 1

Cox Brian C · CIK 0002148272 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,325

SEC source: 0001628280-26-057990 · wk-form4_1787171742.xml · derivative · entry 1

Corrsin David J · CIK 0001496596 · Director · EVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Class A Common Stock · 25,000 shares

Expires 2035-05-11

F1 · balance_after: On May 12, 2025, the reporting person was granted an option to purchase 50,000 shares of Class A common stock. The option vested based on performance relative to goals established for the three-year performance period from January 1, 2025 to December 31, 2027, subject to continued service to Ameresco, Inc. In connection with the reporting person's resignation as Ameresco, Inc.'s Executive Vice President, General Counsel and Secretary and transition to Special Legal Advisor to the Company, the Compensation Committee of Ameresco, Inc.'s Board of Directors reviewed the performance criteria achieved to date and accelerated this option such that the option vested as to 25,000 shares effective as of the resignation date and the remaining 25,000 options were forfeited.

SEC source: 0001628280-26-055891 · wk-form4_1786490560.xml · nonDerivative · entry 3

Sakellaris George P · CIK 0001496665 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 995,597

F3 · price: 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.

SEC source: 0001628280-26-055891 · wk-form4_1786490560.xml · nonDerivative · entry 2

Sakellaris George P · CIK 0001496665 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 994,597

F2 · price: 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.

SEC source: 0001628280-26-055890 · wk-form4_1786490555.xml · nonDerivative · entry 1

Cox Brian C · CIK 0002148272 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,700

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $24.98 to $25.07, 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 this footnote 1 to this Form 4.

SEC source: 0001628280-26-055891 · wk-form4_1786490560.xml · nonDerivative · entry 1

Sakellaris George P · CIK 0001496665 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 993,597

F1 · price: 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.

SEC source: 0001628280-26-052667 · wk-form4_1785876298.xml · derivative · entry 1

Cox Brian C · CIK 0002148272 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,132

Underlying: Class A Common Stock · 5,132 shares

Expires 2027-08-01

F1 · security: Grant pursuant to Ameresco, Inc.'s non-employee director compensation plan.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

F3 · derivative.expiration_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

SEC source: 0001628280-26-041321 · wk-form4_1780693985.xml · derivative · entry 4

Sutton Joseph W. · CIK 0001496494 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,435 shares

Expires 2026-06-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensaiton plan.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F4 · derivative.exercise_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

SEC source: 0001628280-26-041321 · wk-form4_1780693985.xml · derivative · entry 3

Sutton Joseph W. · CIK 0001496494 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,812

Underlying: Class A Common Stock · 4,812 shares

Expires 2027-06-04

F2 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensaiton plan.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F4 · derivative.exercise_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

SEC source: 0001628280-26-041321 · wk-form4_1780693985.xml · nonDerivative · entry 1

Sutton Joseph W. · CIK 0001496494 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,546

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-041326 · wk-form4_1780694013.xml · derivative · entry 2

Patton Charles R. · CIK 0001473188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,435 shares

Expires 2026-06-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensation plan.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

SEC source: 0001628280-26-041326 · wk-form4_1780694013.xml · nonDerivative · entry 1

Patton Charles R. · CIK 0001473188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,824

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-041325 · wk-form4_1780694007.xml · derivative · entry 3

WISNESKI FRANCIS V JR · CIK 0001263052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,435 shares

Expires 2026-06-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensation plan.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

SEC source: 0001628280-26-041325 · wk-form4_1780694007.xml · derivative · entry 2

WISNESKI FRANCIS V JR · CIK 0001263052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,812

Underlying: Class A Common Stock · 4,812 shares

Expires 2027-06-04

F1 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensaiton plan.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

SEC source: 0001628280-26-041325 · wk-form4_1780694007.xml · nonDerivative · entry 1

WISNESKI FRANCIS V JR · CIK 0001263052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,667

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-041323 · wk-form4_1780694001.xml · derivative · entry 3

STAVROPOULOS NICKOLAS · CIK 0001195025 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,435 shares

Expires 2026-06-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensaiton plan.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

SEC source: 0001628280-26-041323 · wk-form4_1780694001.xml · derivative · entry 2

STAVROPOULOS NICKOLAS · CIK 0001195025 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,812

Underlying: Class A Common Stock · 4,812 shares

Expires 2027-06-04

F1 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensaiton plan.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

SEC source: 0001628280-26-041323 · wk-form4_1780694001.xml · nonDerivative · entry 1

STAVROPOULOS NICKOLAS · CIK 0001195025 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,546

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-041322 · wk-form4_1780693993.xml · derivative · entry 3

Miller Jennifer L · CIK 0001633385 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,435 shares

Expires 2026-06-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensaiton plan.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

SEC source: 0001628280-26-041322 · wk-form4_1780693993.xml · derivative · entry 2

Miller Jennifer L · CIK 0001633385 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,812

Underlying: Class A Common Stock · 4,812 shares

Expires 2027-06-04

F1 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensaiton plan.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

SEC source: 0001628280-26-041322 · wk-form4_1780693993.xml · nonDerivative · entry 1

Miller Jennifer L · CIK 0001633385 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,546

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-041320 · wk-form4_1780693977.xml · derivative · entry 4

Johnson Claire D'Oyly-Hughes · CIK 0001874135 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,435 shares

Expires 2026-06-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensaiton plan.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

SEC source: 0001628280-26-041320 · wk-form4_1780693977.xml · derivative · entry 3

Johnson Claire D'Oyly-Hughes · CIK 0001874135 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,812

Underlying: Class A Common Stock · 4,812 shares

Expires 2027-06-04

F1 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensaiton plan.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F3 · derivative.exercise_date: The RSUs vest in full on the first anniversary of the grant date, assuming continues service through the vesting date.

SEC source: 0001628280-26-041320 · wk-form4_1780693977.xml · nonDerivative · entry 1

Johnson Claire D'Oyly-Hughes · CIK 0001874135 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,546

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-039949 · wk-form4_1780436827.xml · derivative · entry 3

WISNESKI FRANCIS V JR · CIK 0001263052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Class A Common Stock · 5,000 shares

Expires 2027-03-08

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The shares subject to the option vest fully upon the earlier of (a) the company achieving adjusted EBITDA of at least $100 million or (b) the three year anniversary of the grant.

SEC source: 0001628280-26-039949 · wk-form4_1780436827.xml · nonDerivative · entry 2

WISNESKI FRANCIS V JR · CIK 0001263052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,232

SEC source: 0001628280-26-039949 · wk-form4_1780436827.xml · nonDerivative · entry 1

WISNESKI FRANCIS V JR · CIK 0001263052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,232

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-037065 · wk-form4_1779368414.xml · derivative · entry 3

WISNESKI FRANCIS V JR · CIK 0001263052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Class A Common Stock · 10,000 shares

Expires 2027-03-08

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001628280-26-037065 · wk-form4_1779368414.xml · nonDerivative · entry 2

WISNESKI FRANCIS V JR · CIK 0001263052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,232

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.21 to $30.45, 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 sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001628280-26-037065 · wk-form4_1779368414.xml · nonDerivative · entry 1

WISNESKI FRANCIS V JR · CIK 0001263052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,232

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.