[Form 4] NWPX Infrastructure, Inc. Insider Trading Activity

Rhea-AI Filing Summary

NWPX Infrastructure Executive Vice President reports share sale and equity awards. On 11/14/2025, the reporting person sold 4,000 shares of NWPX common stock at $56.756 per share under a Rule 10b5-1(c) trading plan. After this transaction, 29,725 shares were beneficially owned indirectly through a trust. The individual also holds 5,587 Restricted Stock Units, each representing one share of NWPX common stock, which vest in installments in January of 2026, 2027 and 2028. In addition, 16,761 Performance Shares are outstanding, which may vest in an amount ranging from 0–200% based on NWPX’s total EBITDA margin over the measurement period, with vesting installments scheduled in March of 2026, 2027 and 2028.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

X

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^*

Brittain Miles

(Last) (First) (Middle)

201 NE PARK PLAZA DRIVE

SUITE 100

(Street)

VANCOUVER WA 98684

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
NWPX Infrastructure, Inc. [ NWPX ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Vice President

3. Date of Earliest Transaction (Month/Day/Year)
11/14/2025

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	11/14/2025		S(1)		4,000(1)	D	$56.756	29,725	I	Trust(6)

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
Restricted Stock Units	(2)							(3)	(3)	Common Stock	5,587		5,587	D
Performance Shares	(4)							(5)	(5)	Common Stock	16,761(4)		16,761(4)	D

Explanation of Responses:

1. Adoption date of referenced 10b5-1(c) plan is: 08/14/2025

2. Each Restricted Stock Unit represents a contingent right to receive one share of NWPX common stock.

3. The Restricted Stock Units vest in installments in January of 2026, 2027 and 2028.

4. Performance Shares vest in an amount ranging from 0-200% to the extent such Performance Shares are earned. Performance Shares are earned based on NWPX's total EBITDA margin over the measurement period.

5. The Performance Shares vest in installments in March of 2026, 2027 and 2028.

6. Reporting person is a beneficiary of the trust.

	/s/ Miles Brittain	11/18/2025
	** 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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did NWPX Infrastructure (NWPX) report on this Form 4?

The Form 4 reports that the Executive Vice President sold 4,000 shares of NWPX common stock on 11/14/2025 at a price of $56.756 per share.

Was the NWPX insider share sale made under a Rule 10b5-1 plan?

Yes. The filing indicates the transaction was made pursuant to a Rule 10b5-1(c) trading plan, with the adoption date of the referenced plan noted as 08/14/2025.

How many NWPX shares does the reporting person own after the reported transaction?

Following the sale, the reporting person beneficially owned 29,725 shares of NWPX common stock indirectly through a trust, of which the person is a beneficiary.

What Restricted Stock Units (RSUs) does the NWPX executive hold?

The executive holds 5,587 Restricted Stock Units, each representing a contingent right to receive one share of NWPX common stock. These RSUs vest in installments in January of 2026, 2027 and 2028.

What are the terms of the Performance Shares reported for NWPX Infrastructure?

The executive holds 16,761 Performance Shares. These may vest in an amount ranging from 0–200%, depending on NWPX’s total EBITDA margin over the measurement period, with vesting installments in March of 2026, 2027 and 2028.

What is the relationship of the reporting person to NWPX Infrastructure?

The reporting person is listed as an Officer of NWPX Infrastructure with the title Executive Vice President, and the Form 4 is filed for one reporting person.