BBCP

SEC source: 0001144204-18-063924 · tv508764_4.xml · nonDerivative · entry 1

Hall David Graham · CIK 0001705628 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,750

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 · price: Immediately prior to the consummation of the Concrete Pumping Holding, Inc.'s initial business combination on December 6, 2018 (the "business combination"), each outstanding share of Industrea Acquisition Corp.'s Class B common stock, par value $0.0001 per share (the "Founder Shares"), was converted into one share of the Industrea's Class A common stock, par value $0.0001 ("Industrea common stock"). The Reporting Person held 28,750 Founder Shares prior to the business combination, which were converted into 28,750 shares of Industrea common stock immediately prior to the business combination.

SEC source: 0001144204-18-063923 · tv508763_4.xml · derivative · entry 3

Rooney Gerard F. · CIK 0001705354 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 28,750 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: Immediately prior to the consummation of the Concrete Pumping Holding, Inc.'s initial business combination on December 6, 2018 (the "business combination"), each outstanding share of Industrea Acquisition Corp.'s Class B common stock, par value $0.0001 per share (the "Founder Shares"), was converted into one share of the Industrea's Class A common stock, par value $0.0001 ("Industrea common stock"). The Reporting Person held 28,750 Founder Shares prior to the business combination, which were converted into 28,750 shares of Industrea common stock immediately prior to the business combination.

F1 · shares: Immediately prior to the consummation of the Concrete Pumping Holding, Inc.'s initial business combination on December 6, 2018 (the "business combination"), each outstanding share of Industrea Acquisition Corp.'s Class B common stock, par value $0.0001 per share (the "Founder Shares"), was converted into one share of the Industrea's Class A common stock, par value $0.0001 ("Industrea common stock"). The Reporting Person held 28,750 Founder Shares prior to the business combination, which were converted into 28,750 shares of Industrea common stock immediately prior to the business combination.

F3 · derivative.exercise_date: The Founder Shares were convertible for shares of Industrea Acquisition Corp.'s Class A common stock as described under the heading "Description of Securities - Founder Shares" in Industrea Acquisition Corp.'s registration statement on Form S-1 (File No. 333-219053) and had no expiration date.

F3 · derivative.expiration_date: The Founder Shares were convertible for shares of Industrea Acquisition Corp.'s Class A common stock as described under the heading "Description of Securities - Founder Shares" in Industrea Acquisition Corp.'s registration statement on Form S-1 (File No. 333-219053) and had no expiration date.

SEC source: 0001144204-18-063923 · tv508763_4.xml · nonDerivative · entry 2

Rooney Gerard F. · CIK 0001705354 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · kind: Upon consummation of the business combination, each share of outstanding Industrea common stock was exchanged for one share of the Concrete Pumping Holding, Inc.'s common stock, par value $0.0001 per share ("BBCP common stock"), and Industrea Acquisition Corp. became a wholly owned subsidiary of Concrete Pumping Holdings, Inc. The Reporting Person held 28,750 shares of Industrea common stock at the time of the business combination, which were exchanged for 28,750 shares of BBCP common stock upon consummation of the business combination. The Reporting Person is not a member of the board of directors of Concrete Pumping Holdings, Inc., the successor entity to Industrea Acquisition Corp.

F2 · price: Upon consummation of the business combination, each share of outstanding Industrea common stock was exchanged for one share of the Concrete Pumping Holding, Inc.'s common stock, par value $0.0001 per share ("BBCP common stock"), and Industrea Acquisition Corp. became a wholly owned subsidiary of Concrete Pumping Holdings, Inc. The Reporting Person held 28,750 shares of Industrea common stock at the time of the business combination, which were exchanged for 28,750 shares of BBCP common stock upon consummation of the business combination. The Reporting Person is not a member of the board of directors of Concrete Pumping Holdings, Inc., the successor entity to Industrea Acquisition Corp.

SEC source: 0001144204-18-063923 · tv508763_4.xml · nonDerivative · entry 1

Rooney Gerard F. · CIK 0001705354 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,750

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 · price: Immediately prior to the consummation of the Concrete Pumping Holding, Inc.'s initial business combination on December 6, 2018 (the "business combination"), each outstanding share of Industrea Acquisition Corp.'s Class B common stock, par value $0.0001 per share (the "Founder Shares"), was converted into one share of the Industrea's Class A common stock, par value $0.0001 ("Industrea common stock"). The Reporting Person held 28,750 Founder Shares prior to the business combination, which were converted into 28,750 shares of Industrea common stock immediately prior to the business combination.

SEC source: 0001144204-18-063922 · tv508762_4.xml · derivative · entry 3

Hodges Brian · CIK 0001704608 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 28,750 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: Immediately prior to the consummation of the Concrete Pumping Holding, Inc.'s initial business combination on December 6, 2018 (the "business combination"), each outstanding share of Industrea Acquisition Corp.'s Class B common stock, par value $0.0001 per share (the "Founder Shares"), was converted into one share of the Industrea's Class A common stock, par value $0.0001 ("Industrea common stock"). The Reporting Person held 28,750 Founder Shares prior to the business combination, which were converted into 28,750 shares of Industrea common stock immediately prior to the business combination.

F1 · shares: Immediately prior to the consummation of the Concrete Pumping Holding, Inc.'s initial business combination on December 6, 2018 (the "business combination"), each outstanding share of Industrea Acquisition Corp.'s Class B common stock, par value $0.0001 per share (the "Founder Shares"), was converted into one share of the Industrea's Class A common stock, par value $0.0001 ("Industrea common stock"). The Reporting Person held 28,750 Founder Shares prior to the business combination, which were converted into 28,750 shares of Industrea common stock immediately prior to the business combination.

F3 · derivative.exercise_date: The Founder Shares were convertible for shares of Industrea Acquisition Corp.'s Class A common stock as described under the heading "Description of Securities - Founder Shares" in Industrea Acquisition Corp.'s registration statement on Form S-1 (File No. 333-219053) and had no expiration date.

F3 · derivative.expiration_date: The Founder Shares were convertible for shares of Industrea Acquisition Corp.'s Class A common stock as described under the heading "Description of Securities - Founder Shares" in Industrea Acquisition Corp.'s registration statement on Form S-1 (File No. 333-219053) and had no expiration date.

SEC source: 0001144204-18-063922 · tv508762_4.xml · nonDerivative · entry 2

Hodges Brian · CIK 0001704608 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · kind: Upon consummation of the business combination, each share of outstanding Industrea common stock was exchanged for one share of the Concrete Pumping Holding, Inc.'s common stock, par value $0.0001 per share ("BBCP common stock"), and Industrea Acquisition Corp. became a wholly owned subsidiary of Concrete Pumping Holdings, Inc. The Reporting Person held 28,750 shares of Industrea common stock at the time of the business combination, which were exchanged for 28,750 shares of BBCP common stock upon consummation of the business combination.

F2 · price: Upon consummation of the business combination, each share of outstanding Industrea common stock was exchanged for one share of the Concrete Pumping Holding, Inc.'s common stock, par value $0.0001 per share ("BBCP common stock"), and Industrea Acquisition Corp. became a wholly owned subsidiary of Concrete Pumping Holdings, Inc. The Reporting Person held 28,750 shares of Industrea common stock at the time of the business combination, which were exchanged for 28,750 shares of BBCP common stock upon consummation of the business combination.

SEC source: 0001144204-18-063922 · tv508762_4.xml · nonDerivative · entry 1

Hodges Brian · CIK 0001704608 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,750

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 · price: Immediately prior to the consummation of the Concrete Pumping Holding, Inc.'s initial business combination on December 6, 2018 (the "business combination"), each outstanding share of Industrea Acquisition Corp.'s Class B common stock, par value $0.0001 per share (the "Founder Shares"), was converted into one share of the Industrea's Class A common stock, par value $0.0001 ("Industrea common stock"). The Reporting Person held 28,750 Founder Shares prior to the business combination, which were converted into 28,750 shares of Industrea common stock immediately prior to the business combination.

SEC source: 0001062993-18-004186 · form4.xml · nonDerivative · entry 1

Polar Asset Management Partners Inc. · CIK 0001326389 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,974,900

F1 · ownership.nature: Polar Asset Management Partners Inc., a company incorporated under the laws of Ontario, Canada, (the "Reporting Person") serves as investment advisor to Polar Multi-Strategy Master Fund, a Cayman Islands exempted company ("PMSMF"), and certain managed accounts (together with PMSMF, the "Polar Vehicles") and has sole voting and investment discretion with respect to the securities reported herein which are held by the Polar Vehicles. The Reporting Person disclaims beneficial ownership of the securities reported herein, and this report shall not be deemed an admission that Reporting Person is the beneficial owner of the securities reported herein for the purpose of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose, except to the extent of Reporting Person's pecuniary interest therein.

SEC source: 0001062993-18-004159 · form4.xml · nonDerivative · entry 1

Polar Asset Management Partners Inc. · CIK 0001326389 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,599,900

F1 · ownership.nature: Polar Asset Management Partners Inc., a company incorporated under the laws of Ontario, Canada, (the "Reporting Person") serves as investment advisor to Polar Multi-Strategy Master Fund, a Cayman Islands exempted company ("PMSMF"), and certain managed accounts (together with PMSMF, the "Polar Vehicles") and has sole voting and investment discretion with respect to the securities reported herein which are held by the Polar Vehicles. The Reporting Person disclaims beneficial ownership of the securities reported herein, and this report shall not be deemed an admission that Reporting Person is the beneficial owner of the securities reported herein for the purpose of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose, except to the extent of Reporting Person's pecuniary interest therein.

SEC source: 0001062993-17-003968 · form4.xml · nonDerivative · entry 1

Polar Asset Management Partners Inc. · CIK 0001326389 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,999,900

F1 · ownership.nature: Polar Asset Management Partners Inc., a company incorporated under the laws of Ontario, Canada, (the "Reporting Person") serves as investment advisor to Polar Multi-Strategy Master Fund, a Cayman Islands exempted company ("PMSMF") and has sole voting and investment discretion with respect to the securities reported herein which are held by the PMSMF. The Reporting Person disclaims beneficial ownership of the securities reported herein, and this report shall not be deemed an admission that Reporting Person is the beneficial owner of the securities reported herein for the purpose of Section 16 of the Securities and Exchange Act of 1934, as amended, or for any other purpose, except to the extent of Reporting Person's pecuniary interest therein.