Concrete Pumping (BBCP) CFO reports RSU share tax withholding transaction

Rhea-AI Filing Summary

Concrete Pumping Holdings, Inc. (BBCP) reported an insider equity transaction by CFO and Secretary Iain Humphries. On January 15, 2026, the company withheld 9,635 shares of common stock at $6.47 per share to cover tax withholding obligations tied to Humphries’ performance-based and time-based restricted stock units that vested on that date. After this withholding, Humphries beneficially owns 451,719 shares of Concrete Pumping common stock in direct ownership.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Humphries Iain

(Last) (First) (Middle)

C/O CONCRETE PUMPING HOLDINGS, INC.

500 E. 84TH AVENUE, SUITE A-5

(Street)

DENVER CO 80229

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Concrete Pumping Holdings, Inc. [ BBCP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CFO and Secretary

3. Date of Earliest Transaction (Month/Day/Year)
01/15/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/15/2026		F		9,635(1)	D	$6.47	451,719	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The Company withheld shares of common stock to satisfy the tax withholding obligations for the Reporting Person's performance-based and time-based restricted stock units that vested on January 15, 2026.

	/s/ Iain Humpries	01/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transaction did Concrete Pumping (BBCP) report for Iain Humphries?

The filing reports that CFO and Secretary Iain Humphries had 9,635 shares of common stock withheld by Concrete Pumping Holdings, Inc. to satisfy tax obligations related to vested restricted stock units on January 15, 2026.

Was the Concrete Pumping (BBCP) insider transaction a sale on the open market?

No. The F transaction code indicates that 9,635 shares were withheld by the company to pay taxes on vested restricted stock units, rather than sold in an open-market transaction.

How many Concrete Pumping (BBCP) shares does Iain Humphries own after this Form 4?

After the reported tax withholding, Iain Humphries beneficially owns 451,719 shares of Concrete Pumping Holdings, Inc. common stock in direct ownership.

What price per share was used for the withheld Concrete Pumping (BBCP) shares?

The company used a price of $6.47 per share for the 9,635 withheld shares of Concrete Pumping common stock associated with the tax withholding event.

What triggered the tax withholding for Iain Humphries at Concrete Pumping (BBCP)?

The withholding was triggered when performance-based and time-based restricted stock units held by Iain Humphries vested on January 15, 2026, creating a tax obligation that the company satisfied by withholding shares.

Is this Concrete Pumping (BBCP) Form 4 filed for one or multiple reporting persons?

The Form 4 is filed by one reporting person, identified as Humphries Iain, who serves as a Director and as CFO and Secretary of Concrete Pumping Holdings, Inc.