CONCANNON WILLIAM F

SEC source: 0001415889-25-020061 · form4-07212025_080732.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,595

F1 · shares: The shares vest in four equal annual installments beginning on the first anniversary of the date of grant.

SEC source: 0001415889-24-019876 · form4-07222024_090756.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,899

F1 · shares: The shares vest in four equal annual installments beginning on the first anniversary of the date of grant.

SEC source: 0001415889-24-007866 · form4-03132024_100333.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,199

SEC source: 0001828723-23-000133 · primary_doc.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,793

F1 · shares: Each Restricted Stock Unit ("RSU") represents the right to receive one share of Class A common stock, par value $0.0001 per share, of Altus Power, Inc. (the "Issuer"). The RSUs vest in full on the date of the Issuer's 2024 annual meeting of stockholders, which is expected to take place in May 2024, subject to the Reporting Person's continued service to the Issuer through such date.

SEC source: 0001415889-23-011182 · form4-07172023_100757.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,950

F1 · shares: The shares vest in four equal annual installments beginning on the first anniversary of the date of grant.

SEC source: 0001828723-23-000080 · primary_doc.xml · nonDerivative · entry 2

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Family LLC

Disclosed balance after: 165,128

SEC source: 0001828723-23-000080 · primary_doc.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Family LLC

Disclosed balance after: 123,528

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.64 to $5.67, inclusive. The Reporting Person undertakes to provide to Altus Power, Inc., any security holder of thereof, 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 footnote (1) to this Form 4.

SEC source: 0001828723-23-000053 · primary_doc.xml · derivative · entry 3

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Family LLC

Disclosed balance after: 10,062

Underlying: Class A Common Stock · 20 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: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,205,487 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the business combination of CBRE Acquisition Holdings, Inc. with Altus Power, Inc., which occurred on December 9, 2021, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F2 · kind: On the last day of the measurement period ending on March 31, 2023 and pursuant to the formula referenced above, an aggregate of 201,250 shares of Class B Common Stock automatically converted into an aggregate of 2,013 shares of Class A Common Stock. Such conversion of Class B Common Stock applies to each holder of Class B Common Stock on a pro rata basis on the basis of the amounts of such Class B Common Stock held by such holder. In connection with the above, 2,012.5 shares of Class B Common Stock beneficially owned by the Reporting Person were converted into 20 shares of Class A Common Stock.

F1 · derivative.exercise_date: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,205,487 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the business combination of CBRE Acquisition Holdings, Inc. with Altus Power, Inc., which occurred on December 9, 2021, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F1 · derivative.expiration_date: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,205,487 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the business combination of CBRE Acquisition Holdings, Inc. with Altus Power, Inc., which occurred on December 9, 2021, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F2 · derivative.underlying_shares: On the last day of the measurement period ending on March 31, 2023 and pursuant to the formula referenced above, an aggregate of 201,250 shares of Class B Common Stock automatically converted into an aggregate of 2,013 shares of Class A Common Stock. Such conversion of Class B Common Stock applies to each holder of Class B Common Stock on a pro rata basis on the basis of the amounts of such Class B Common Stock held by such holder. In connection with the above, 2,012.5 shares of Class B Common Stock beneficially owned by the Reporting Person were converted into 20 shares of Class A Common Stock.

SEC source: 0001828723-23-000053 · primary_doc.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Family LLC

Disclosed balance after: 105,128

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 · kind: On the last day of the measurement period ending on March 31, 2023 and pursuant to the formula referenced above, an aggregate of 201,250 shares of Class B Common Stock automatically converted into an aggregate of 2,013 shares of Class A Common Stock. Such conversion of Class B Common Stock applies to each holder of Class B Common Stock on a pro rata basis on the basis of the amounts of such Class B Common Stock held by such holder. In connection with the above, 2,012.5 shares of Class B Common Stock beneficially owned by the Reporting Person were converted into 20 shares of Class A Common Stock.

F1 · price: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,205,487 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the business combination of CBRE Acquisition Holdings, Inc. with Altus Power, Inc., which occurred on December 9, 2021, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F2 · price: On the last day of the measurement period ending on March 31, 2023 and pursuant to the formula referenced above, an aggregate of 201,250 shares of Class B Common Stock automatically converted into an aggregate of 2,013 shares of Class A Common Stock. Such conversion of Class B Common Stock applies to each holder of Class B Common Stock on a pro rata basis on the basis of the amounts of such Class B Common Stock held by such holder. In connection with the above, 2,012.5 shares of Class B Common Stock beneficially owned by the Reporting Person were converted into 20 shares of Class A Common Stock.

SEC source: 0001828723-23-000029 · primary_doc.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,519

F1 · shares: Each Restricted Stock Unit ("RSU") represents the right to receive one share of Class A common stock, par value $0.0001 per share, of Altus Power, Inc. (the "Issuer"). The RSUs vest in full on December 9, 2023, subject to the Reporting Person's continued service to the Issuer through such date.

SEC source: 0001415889-22-011371 · form4-11142022_101151.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,960

SEC source: 0001828723-22-000097 · primary_doc.xml · derivative · entry 2

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family LLC

Disclosed balance after: 0

Underlying: Class A Common Stock · 18,417 shares

Expires 2026-12-09

F2 · derivative.exercise_price: Each warrant is initially exercisable for one share of Class A Common Stock at an exercise price of $11.00 per share, subject to certain adjustments. The warrants became exercisable on January 8, 2022, 30 days after the issuer completed its business combination of CBRE Holdings, Inc. with Altus Power, Inc., which occurred on December 9, 2021. The warrants were acquired by the reporting person in connection with the initial public offering of CBRE Acquisition Holdings, Inc.

F1 · kind: Following the issuer's notice of redemption of all outstanding warrants to purchase the issuer's Class A Common Stock, the reporting person exercised its warrants on a cashless basis in exchange for the shares of Class A Common Stock reported herein at a ratio of 0.2763 shares per warrant.

F2 · derivative.exercise_date: Each warrant is initially exercisable for one share of Class A Common Stock at an exercise price of $11.00 per share, subject to certain adjustments. The warrants became exercisable on January 8, 2022, 30 days after the issuer completed its business combination of CBRE Holdings, Inc. with Altus Power, Inc., which occurred on December 9, 2021. The warrants were acquired by the reporting person in connection with the initial public offering of CBRE Acquisition Holdings, Inc.

SEC source: 0001828723-22-000097 · primary_doc.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family LLC

Disclosed balance after: 105,108

F1 · kind: Following the issuer's notice of redemption of all outstanding warrants to purchase the issuer's Class A Common Stock, the reporting person exercised its warrants on a cashless basis in exchange for the shares of Class A Common Stock reported herein at a ratio of 0.2763 shares per warrant.

F1 · price: Following the issuer's notice of redemption of all outstanding warrants to purchase the issuer's Class A Common Stock, the reporting person exercised its warrants on a cashless basis in exchange for the shares of Class A Common Stock reported herein at a ratio of 0.2763 shares per warrant.

SEC source: 0001415889-22-007880 · form4-07212022_050746.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,960

F1 · shares: The shares vest in four equal annual installments beginning on the first anniversary of the date of grant.

SEC source: 0000899243-22-015183 · doc4.xml · derivative · entry 3

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family LLC

Disclosed balance after: 12,075

Underlying: Class A Common Stock · 20 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: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,207,500 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the business combination of CBRE Acquisition Holdings, Inc. with Altus Power, Inc., which occurred on December 9, 2021, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F2 · kind: On the last day of the measurement period ending on March 31, 2022 and pursuant to the formula referenced above, an aggregate of 201,250 shares of Class B Common Stock automatically converted into an aggregate of 2,013 shares of Class A Common Stock. Such conversion of Class B Common Stock applies to each holder of Class B Common Stock on a pro rata basis on the basis of the amounts of such Class B Common Stock held by such holder. In connection with the above, 2,012.5 shares of Class B Common Stock beneficially owned by the Reporting Person were converted into 20 shares of Class A Common Stock.

F1 · derivative.exercise_date: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,207,500 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the business combination of CBRE Acquisition Holdings, Inc. with Altus Power, Inc., which occurred on December 9, 2021, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F1 · derivative.expiration_date: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,207,500 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the business combination of CBRE Acquisition Holdings, Inc. with Altus Power, Inc., which occurred on December 9, 2021, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F2 · derivative.underlying_shares: On the last day of the measurement period ending on March 31, 2022 and pursuant to the formula referenced above, an aggregate of 201,250 shares of Class B Common Stock automatically converted into an aggregate of 2,013 shares of Class A Common Stock. Such conversion of Class B Common Stock applies to each holder of Class B Common Stock on a pro rata basis on the basis of the amounts of such Class B Common Stock held by such holder. In connection with the above, 2,012.5 shares of Class B Common Stock beneficially owned by the Reporting Person were converted into 20 shares of Class A Common Stock.

SEC source: 0000899243-22-015183 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family LLC

Disclosed balance after: 100,020

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 · kind: On the last day of the measurement period ending on March 31, 2022 and pursuant to the formula referenced above, an aggregate of 201,250 shares of Class B Common Stock automatically converted into an aggregate of 2,013 shares of Class A Common Stock. Such conversion of Class B Common Stock applies to each holder of Class B Common Stock on a pro rata basis on the basis of the amounts of such Class B Common Stock held by such holder. In connection with the above, 2,012.5 shares of Class B Common Stock beneficially owned by the Reporting Person were converted into 20 shares of Class A Common Stock.

F1 · price: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,207,500 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the business combination of CBRE Acquisition Holdings, Inc. with Altus Power, Inc., which occurred on December 9, 2021, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F2 · price: On the last day of the measurement period ending on March 31, 2022 and pursuant to the formula referenced above, an aggregate of 201,250 shares of Class B Common Stock automatically converted into an aggregate of 2,013 shares of Class A Common Stock. Such conversion of Class B Common Stock applies to each holder of Class B Common Stock on a pro rata basis on the basis of the amounts of such Class B Common Stock held by such holder. In connection with the above, 2,012.5 shares of Class B Common Stock beneficially owned by the Reporting Person were converted into 20 shares of Class A Common Stock.

SEC source: 0001628280-22-003079 · wf-form4_164514062721536.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,500

F1 · shares: Represents restricted stock units ("RSUs") granted to the Reporting Person pursuant to a Director Offer Letter agreement, dated December 9, 2021, between the Reporting Person and the Issuer, pursuant to which the Reporting Person will receive RSUs as a portion of the Reporting Person's compensation for services to the Issuer as a Director. Each RSU represents the right to receive one share of Common Stock. The RSUs vest as follows: (i) 10,000 RSUs vest in equal annual installments on each of the first two anniversaries of the consummation of the Issuer's business combination transaction on December 9, 2021 (the "Vesting Commencement Date"); and (ii) 10,500 RSUs vest in full on the first anniversary of the Vesting Commencement Date, in each case subject to the Reporting Person's continued service to the Issuer through each such date.

SEC source: 0000899243-21-047918 · doc4.xml · derivative · entry 3

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family LLC

Disclosed balance after: 18,417

Underlying: Class A Common Stock · 18,417 shares

Expires 2026-12-09

F5 · derivative.exercise_price: Each Warrant is initially exercisable for one share of Class A Common Stock at an exercise price of $11.00 per share, subject to certain adjustments. The Warrants become exercisable on January 8, 2022, 30 days after the Issuer completed its Business Combination, and expire five years after completion of the Business Combination or earlier upon redemption or liquidation. The Warrants were acquired by the Reporting Person in connection with the initial public offering of CBRE Acquisition Holdings, Inc.

F5 · kind: Each Warrant is initially exercisable for one share of Class A Common Stock at an exercise price of $11.00 per share, subject to certain adjustments. The Warrants become exercisable on January 8, 2022, 30 days after the Issuer completed its Business Combination, and expire five years after completion of the Business Combination or earlier upon redemption or liquidation. The Warrants were acquired by the Reporting Person in connection with the initial public offering of CBRE Acquisition Holdings, Inc.

F5 · derivative.exercise_date: Each Warrant is initially exercisable for one share of Class A Common Stock at an exercise price of $11.00 per share, subject to certain adjustments. The Warrants become exercisable on January 8, 2022, 30 days after the Issuer completed its Business Combination, and expire five years after completion of the Business Combination or earlier upon redemption or liquidation. The Warrants were acquired by the Reporting Person in connection with the initial public offering of CBRE Acquisition Holdings, Inc.

SEC source: 0000899243-21-047918 · doc4.xml · derivative · entry 2

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family LLC

Disclosed balance after: 14,087.5

Underlying: Class A Common Stock · 145,966 shares

Expires not disclosed

F2 · derivative.exercise_price: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,408,750 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the Business Combination, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock, pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F3 · kind: Represents a disposition of Class B Common Stock pursuant to the terms of the Class B Letter Agreement, dated July 12, 2021, pursuant to which CBRE Acquisition Sponsor, LLC and certain other persons, including the Reporting Person, agreed to forfeit a specified number of shares of Class B Common Stock, effective upon the closing of the Business Combination.

F2 · price: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,408,750 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the Business Combination, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock, pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F4 · price: The number of shares of Class A Common Stock reported as underlying such shares of Class B Common Stock in the Table above represents the approximate maximum number of shares of Class A Common Stock that may be delivered with respect to shares of Class B Common Stock reported above by the Reporting Person based on proportionate ownership of shares of Class B Common Stock.

F2 · derivative.exercise_date: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,408,750 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the Business Combination, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock, pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F2 · derivative.expiration_date: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,408,750 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the Business Combination, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock, pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F2 · derivative.underlying_shares: Pursuant to the terms of the Class B common stock of the Issuer (the "Class B Common Stock"), of which an aggregate of 1,408,750 shares are currently outstanding, on the last day of each measurement period, which will occur annually over seven fiscal years following the completion of the Business Combination, an aggregate of 201,250 shares of Class B Common Stock will automatically convert, subject to adjustment, into shares of Class A Common Stock, pursuant to a formula based on the stock price of the Class A Common Stock, into an aggregate minimum of 2,013 shares of Class A Common Stock on each conversion date, up to an aggregate maximum of 14,596,637 shares of Class A Common Stock over such seven year period.

F4 · derivative.underlying_shares: The number of shares of Class A Common Stock reported as underlying such shares of Class B Common Stock in the Table above represents the approximate maximum number of shares of Class A Common Stock that may be delivered with respect to shares of Class B Common Stock reported above by the Reporting Person based on proportionate ownership of shares of Class B Common Stock.

SEC source: 0000899243-21-047918 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family LLC

Disclosed balance after: 100,000

F1 · kind: Reflects shares of Class A common stock ("Class A Common Stock") acquired pursuant to a subscription agreement as part of a private placement (PIPE) to certain investors in connection with the closing of the business combination of CBRE Acquisition Holdings, Inc. with Altus Power, Inc., which occurred on December 9, 2021 (the "Business Combination"). Following consummation of the Business Combination, CBRE Acquisition Holdings, Inc. changed its name to Altus Power, Inc. (the "Issuer").

SEC source: 0001179110-21-010676 · edgar.xml · nonDerivative · entry 2

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,880

SEC source: 0001179110-21-010676 · edgar.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,547

SEC source: 0000899243-21-033813 · doc4.xml · derivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 20,125 shares

Expires not disclosed

F1 · derivative.exercise_price: As described in the issuer's registration statement on Form S-1 (File No. 333- 249958), as amended, under the heading "Description of Securities-Alignment Shares", the shares of Class B common stock of the Issuer ("Class B Common Stock") will convert into shares of Class A common stock of the Issuer ("Class A Common Stock"), pursuant to the performance of publicly traded shares of Class A Common Stock after the consummation of the issuer's initial business combination.

F2 · kind: Represents a transfer of shares of Class B Common Stock to a family-owned limited liability company in connection with the long-term estate planning of the Reporting Person.

F2 · price: Represents a transfer of shares of Class B Common Stock to a family-owned limited liability company in connection with the long-term estate planning of the Reporting Person.

F1 · derivative.exercise_date: As described in the issuer's registration statement on Form S-1 (File No. 333- 249958), as amended, under the heading "Description of Securities-Alignment Shares", the shares of Class B common stock of the Issuer ("Class B Common Stock") will convert into shares of Class A common stock of the Issuer ("Class A Common Stock"), pursuant to the performance of publicly traded shares of Class A Common Stock after the consummation of the issuer's initial business combination.

F1 · derivative.expiration_date: As described in the issuer's registration statement on Form S-1 (File No. 333- 249958), as amended, under the heading "Description of Securities-Alignment Shares", the shares of Class B common stock of the Issuer ("Class B Common Stock") will convert into shares of Class A common stock of the Issuer ("Class A Common Stock"), pursuant to the performance of publicly traded shares of Class A Common Stock after the consummation of the issuer's initial business combination.

SEC source: 0001179110-21-007774 · edgar.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,881

F1 · shares: The shares vest in four equal annual installments beginning on the first anniversary of the date of grant.

SEC source: 0001179110-21-005448 · edgar.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,715

SEC source: 0001179110-20-008184 · edgar.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,715

F1 · shares: The shares vest in four equal annual installments beginning on the first anniversary of the date of grant.

SEC source: 0001225208-20-000353 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 265,161

SEC source: 0001179110-19-012520 · edgar.xml · nonDerivative · entry 2

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,679

SEC source: 0001179110-19-012520 · edgar.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,800

SEC source: 0001225208-19-014926 · doc4.xml · nonDerivative · entry 2

CONCANNON WILLIAM F · CIK 0001190864 · CEO, GWS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 269,487

F2 · price: This transaction was executed in multiple trades at prices ranging from $55.01 to $55.09. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-19-014926 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · CEO, GWS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 277,755

F1 · price: This transaction was executed in multiple trades at prices ranging from $55.00 to $55.03. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-19-011624 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · CEO, GWS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 278,802

SEC source: 0001225208-19-011309 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · CEO, GWS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,816

SEC source: 0001179110-19-008619 · edgar.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,495

F1 · shares: The shares vest in four equal annual installments beginning on the first anniversary of the date of grant.

SEC source: 0001225208-19-004609 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · CEO, GWS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 286,648

SEC source: 0001225208-19-004179 · doc4.xml · nonDerivative · entry 2

CONCANNON WILLIAM F · CIK 0001190864 · CEO, GWS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 288,904

F2 · kind: The Issuer granted these securities to the Reporting Person on February 28, 2019 as part of the Reporting Person's 2019 annual management equity award. These securities will vest at a rate of 25% per year on each of February 28, 2020, 2021, 2022 and 2023, subject to forfeiture or acceleration in certain circumstances as set forth in the award agreement.

SEC source: 0001225208-19-004179 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · CEO, GWS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 257,822

F1 · kind: The Issuer granted these securities to the Reporting Person on March 3, 2017 as part of the Reporting Person's 2017 annual management equity award. On February 27, 2019, the Compensation Committee of the Board of Directors of the Issuer certified the Issuer's Adjusted EPS performance necessary for this award to vest. As such, these securities will vest in full on March 3, 2020, subject to forfeiture in certain circumstances as set forth in the award agreement.

SEC source: 0001225208-19-003157 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · CEO, GWS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,256

SEC source: 0001225208-18-016928 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · CEO, GWS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,848

SEC source: 0001225208-18-012865 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · CEO, GWS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 204,631

F1 · price: This transaction was executed in multiple trades at prices ranging from $47.405 to $47.50. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-18-012701 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 233,509

SEC source: 0001225208-18-012567 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 257,024

SEC source: 0001179110-18-009659 · edgar.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,533

F1 · shares: The shares vest in four equal annual installments beginning on the first anniversary of the date of grant.

SEC source: 0001179110-18-007702 · edgar.xml · nonDerivative · entry 3

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,157

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.28 to $56.01, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0001179110-18-007702 · edgar.xml · nonDerivative · entry 2

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,324

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.10 to $56.245, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0001179110-18-007702 · edgar.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,491

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $54.56 to $55.32, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0001225208-18-006138 · doc4.xml · nonDerivative · entry 2

CONCANNON WILLIAM F · CIK 0001190864 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Indirect · By Concannon Descendants 2015 Trust

Disclosed balance after: 0

F1 · kind: The reporting person previously adopted a 10b5-1 trading plan, and this transaction was automatically effected pursuant to that plan.

F3 · price: This transaction was executed in multiple trades at prices ranging from $47.54 to $47.90. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-18-006138 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Indirect · By Concannon Children's 2012 Trust

Disclosed balance after: 0

F1 · kind: The reporting person previously adopted a 10b5-1 trading plan, and this transaction was automatically effected pursuant to that plan.

F2 · price: This transaction was executed in multiple trades at prices ranging from $47.50 to $47.91. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares sold at each separate price within the range.

SEC source: 0001225208-18-005507 · doc4.xml · nonDerivative · entry 1

CONCANNON WILLIAM F · CIK 0001190864 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 261,226

SEC source: 0001225208-18-003637 · doc4.xml · nonDerivative · entry 2

CONCANNON WILLIAM F · CIK 0001190864 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 263,743

F2 · kind: The Issuer granted these securities to the Reporting Person in August 2015 as part of the Reporting Person's 2015 annual management equity award. On February 16, 2018, the Compensation Committee of the Board of Directors of the Issuer certified the Issuer's Adjusted EPS performance necessary for this award to vest. As such, these securities will vest in full on August 14, 2018, subject to forfeiture in certain circumstances as set forth in the award agreement.