AMRC

SEC source: 0001488139-25-000153 · wk-form4_1757713400.xml · derivative · entry 2

Maltezos Louis P · CIK 0001496402 · President-Central&West USA Can

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,625

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.

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: 0001488139-25-000153 · wk-form4_1757713400.xml · nonDerivative · entry 1

Maltezos Louis P · CIK 0001496402 · President-Central&West USA Can

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,526

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: 0001488139-25-000158 · wk-form4_1757713435.xml · derivative · entry 2

Chiplock Mark · CIK 0001755243 · EVP, CFO & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,250

Underlying: Class A Common Stock · 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.

SEC source: 0001488139-25-000158 · wk-form4_1757713435.xml · nonDerivative · entry 1

Chiplock Mark · CIK 0001755243 · EVP, CFO & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,458

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: 0001488139-25-000157 · wk-form4_1757713428.xml · derivative · entry 2

Bulgarino Nicole E · CIK 0001640972 · President - Federal & Utility

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,625

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.

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: 0001488139-25-000157 · wk-form4_1757713428.xml · nonDerivative · entry 1

Bulgarino Nicole E · CIK 0001640972 · President - Federal & Utility

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,421

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: 0001488139-25-000156 · wk-form4_1757713421.xml · derivative · entry 2

Christakis Peter · CIK 0001975772 · President-EastUSA, ProjectRisk

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,250

Underlying: Class A Common Stock · 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.

SEC source: 0001488139-25-000156 · wk-form4_1757713421.xml · nonDerivative · entry 1

Christakis Peter · CIK 0001975772 · President-EastUSA, ProjectRisk

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,606

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: 0001488139-25-000145 · wk-form4_1757542915.xml · derivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Indirect · By spouse

Disclosed balance after: 250

Underlying: Class A Common Stock · 50 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 RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

F4 · derivative.expiration_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

F1 · ownership.nature: 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.

SEC source: 0001488139-25-000145 · wk-form4_1757542915.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Spouse

Disclosed balance after: 367

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 · ownership.nature: 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.

SEC source: 0001488139-25-000113 · wk-form4_1749240996.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 · 4,886 shares

Expires 2025-06-04

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 compensation 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.

F4 · 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: 0001488139-25-000113 · wk-form4_1749240996.xml · derivative · entry 3

Sutton Joseph W. · CIK 0001496494 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,435

Underlying: Class A Common Stock · 10,435 shares

Expires 2026-06-04

F2 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensation 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: 0001488139-25-000113 · wk-form4_1749240996.xml · nonDerivative · entry 1

Sutton Joseph W. · CIK 0001496494 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,111

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: 0001488139-25-000111 · wk-form4_1749240969.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 · 4,886 shares

Expires 2025-06-04

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.

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: 0001488139-25-000111 · wk-form4_1749240969.xml · derivative · entry 2

STAVROPOULOS NICKOLAS · CIK 0001195025 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,435

Underlying: Class A Common Stock · 10,435 shares

Expires 2026-06-04

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: 0001488139-25-000111 · wk-form4_1749240969.xml · nonDerivative · entry 1

STAVROPOULOS NICKOLAS · CIK 0001195025 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,111

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: 0001488139-25-000116 · wk-form4_1749241033.xml · derivative · entry 3

Patton Charles R. · CIK 0001473188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 4,886 shares

Expires 2025-06-04

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.

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: 0001488139-25-000116 · wk-form4_1749241033.xml · derivative · entry 2

Patton Charles R. · CIK 0001473188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,435

Underlying: Class A Common Stock · 10,435 shares

Expires 2026-06-04

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: 0001488139-25-000116 · wk-form4_1749241033.xml · nonDerivative · entry 1

Patton Charles R. · CIK 0001473188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,389

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: 0001488139-25-000114 · wk-form4_1749241009.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 · 4,886 shares

Expires 2025-06-04

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.

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: 0001488139-25-000114 · wk-form4_1749241009.xml · derivative · entry 2

WISNESKI FRANCIS V JR · CIK 0001263052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,435

Underlying: Class A Common Stock · 10,435 shares

Expires 2026-06-04

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: 0001488139-25-000114 · wk-form4_1749241009.xml · nonDerivative · entry 1

WISNESKI FRANCIS V JR · CIK 0001263052 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,232

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: 0001488139-25-000115 · wk-form4_1749241021.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 · 4,886 shares

Expires 2025-06-04

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.

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: 0001488139-25-000115 · wk-form4_1749241021.xml · derivative · entry 2

Miller Jennifer L · CIK 0001633385 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,435

Underlying: Class A Common Stock · 10,435 shares

Expires 2026-06-04

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: 0001488139-25-000115 · wk-form4_1749241021.xml · nonDerivative · entry 1

Miller Jennifer L · CIK 0001633385 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,111

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: 0001488139-25-000112 · wk-form4_1749240982.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 · 4,886 shares

Expires 2025-06-04

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 compensation 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.

F4 · 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: 0001488139-25-000112 · wk-form4_1749240982.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,435

Underlying: Class A Common Stock · 10,435 shares

Expires 2026-06-04

F2 · security: Annual grant pursuant to Ameresco, Inc.'s non-employee director compensation 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: 0001488139-25-000112 · wk-form4_1749240982.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,111

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: 0001488139-25-000096 · wk-form4_1746651320.xml · derivative · entry 3

Sutton Joseph W. · CIK 0001496494 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,000 shares

Expires 2025-05-20

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 · derivative.exercise_date: Of the shares subject to the option, 20% vested on May 21, 2016, and the remainder vested in four equal installments on each of the subsequent four anniversaries of such date.

SEC source: 0001488139-25-000096 · wk-form4_1746651320.xml · nonDerivative · entry 1

Sutton Joseph W. · CIK 0001496494 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,225

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: 0001488139-25-000071 · wk-form4_1742421554.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Spouse

Disclosed balance after: 317

F3 · kind: The shares were sold pursuant to an automatic sell-to-cover instruction signed March 8, 2023 in connection with the grant of RSUs solely to cover applicable withholding taxes in connection with the partial vesting of RSUs.

F2 · ownership.nature: 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.

SEC source: 0001488139-25-000071 · wk-form4_1742421554.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 471

F1 · kind: The shares were sold pursuant to an automatic sell-to-cover instruction signed March 6, 2023 in connection with the grant of RSUs solely to cover applicable withholding taxes in connection with the partial vesting of RSUs.

SEC source: 0001488139-25-000072 · wk-form4_1742421565.xml · nonDerivative · entry 2

Chiplock Mark · CIK 0001755243 · EVP, CFO & CAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 708

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

SEC source: 0001488139-25-000071 · wk-form4_1742421554.xml · derivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Indirect · By spouse

Disclosed balance after: 300

Underlying: Class A Common Stock · 101 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.

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F5 · derivative.exercise_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

F5 · derivative.expiration_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

F6 · derivative.underlying_shares: The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

SEC source: 0001488139-25-000071 · wk-form4_1742421554.xml · derivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 183 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.

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock ("Common Stock").

F5 · derivative.exercise_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

F5 · derivative.expiration_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

SEC source: 0001488139-25-000071 · wk-form4_1742421554.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Indirect · By Spouse

Disclosed balance after: 353

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 · ownership.nature: 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.

SEC source: 0001488139-25-000071 · wk-form4_1742421554.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 535

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: 0001488139-25-000073 · wk-form4_1742421575.xml · derivative · entry 2

Bakas Michael T · CIK 0001496601 · President - Renewable Fuels

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,500

Underlying: Class A Common Stock · 295 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: Representing RSUs granted at various dates.

SEC source: 0001488139-25-000073 · wk-form4_1742421575.xml · nonDerivative · entry 1

Bakas Michael T · CIK 0001496601 · President - Renewable Fuels

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,884

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: 0001488139-25-000069 · wk-form4_1742421533.xml · derivative · entry 4

Sakellaris George P · CIK 0001496665 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Class A Common Stock · 2,459 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.

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: 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.

F3 · 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.

F4 · balance_after: Representing RSUs granted at various dates.

SEC source: 0001488139-25-000069 · wk-form4_1742421533.xml · nonDerivative · entry 1

Sakellaris George P · CIK 0001496665 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 981,097

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: 0001488139-25-000074 · wk-form4_1742421585.xml · derivative · entry 2

Maltezos Louis P · CIK 0001496402 · President-Central&West USA Can

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,500

Underlying: Class A Common Stock · 221 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: 0001488139-25-000074 · wk-form4_1742421585.xml · nonDerivative · entry 1

Maltezos Louis P · CIK 0001496402 · President-Central&West USA Can

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,651

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: 0001488139-25-000072 · wk-form4_1742421565.xml · derivative · entry 3

Chiplock Mark · CIK 0001755243 · EVP, CFO & CAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,000

Underlying: Class A Common Stock · 276 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.

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

F3 · derivative.expiration_date: Each RSU vests over two years with 25% vesting on each 6-month anniversary of the applicable grant date.

F4 · balance_after: Representing RSUs granted at various dates.

SEC source: 0001488139-25-000072 · wk-form4_1742421565.xml · nonDerivative · entry 1

Chiplock Mark · CIK 0001755243 · EVP, CFO & CAO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 803

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: 0001488139-25-000070 · wk-form4_1742421543.xml · derivative · entry 2

Bulgarino Nicole E · CIK 0001640972 · President - Federal & Utility

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,500

Underlying: Class A Common Stock · 295 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: Representing RSUs granted at various dates.

SEC source: 0001488139-25-000070 · wk-form4_1742421543.xml · nonDerivative · entry 1

Bulgarino Nicole E · CIK 0001640972 · President - Federal & Utility

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,546

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: 0001488139-25-000068 · wk-form4_1742421523.xml · derivative · entry 2

Christakis Peter · CIK 0001975772 · President-EastUSA, ProjectRisk

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,000

Underlying: Class A Common Stock · 295 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: Representing RSUs granted at various dates.

SEC source: 0001488139-25-000068 · wk-form4_1742421523.xml · nonDerivative · entry 1

Christakis Peter · CIK 0001975772 · President-EastUSA, ProjectRisk

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,856

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: 0001488139-25-000049 · wk-form4_1741731563.xml · derivative · entry 1

Bakas Michael T · CIK 0001496601 · President - Renewable Fuels

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,795

Underlying: Class A Common Stock · 3,500 shares

Expires not disclosed

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: Representing RSUs granted at various dates.