SEC FORM 4

SEC FORM 4SEC 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^*

Wilkins Aaron

(Last)

(First)

(Middle)

201 NE PARK PLAZA DRIVE

SUITE 100

(Street)

VANCOUVER

WASHINGTON

98684

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)
	CFO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/31/2026		M		3,758	A	⁽¹⁾	23,816	D
Common Stock	03/31/2026		F		1,478⁽²⁾	D	$77.86	22,338	D
Common Stock	03/31/2026		M		3,748	A	⁽¹⁾	26,086	D
Common Stock	03/31/2026		F		1,474⁽²⁾	D	$77.86	24,612	D
Common Stock	03/31/2026		M		2,826	A	⁽¹⁾	27,438	D
Common Stock	03/31/2026		F		1,112⁽²⁾	D	$77.86	26,326	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Performance Shares	⁽³⁾	03/31/2026		M			3,212	⁽⁴⁾	⁽⁴⁾	Common Stock	3,758	⁽³⁾	18,324	D
Performance Shares	⁽³⁾	03/31/2026		M			2,883	⁽⁵⁾	⁽⁵⁾	Common Stock	3,748	⁽³⁾	15,441	D
Performance Shares	⁽³⁾	03/31/2026		M			2,593	⁽⁶⁾	⁽⁶⁾	Common Stock	2,826	⁽³⁾	12,848	D
Restricted Stock	⁽⁷⁾							⁽⁸⁾	⁽⁸⁾	Common Stock	⁽⁷⁾		4,283	D

Explanation of Responses:

1. Represents shares acquired pursuant to the vesting of Performance Shares.

2. Represents shares withheld by the issuer for payment of taxes incurred upon vesting event consistent with company policy.

3. 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.

4. Performance Shares vest in installments as follows: 1/3 on April 1, 2024, 1/3 on March 31, 2025 and 1/3 on March 31, 2026.

5. Performance Shares vest in installments as follows: 1/3 March 31, 2025, 1/3 on March 31, 2026 and 1/3 on March 31, 2027.

6. Performance Shares vest in installments as follows: 1/3 on March 31, 2026, 1/3 on March 31, 2027 and 1/3 on March 31, 2028.

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

8. The Restricted Stock Units vest in installments in January of 2027, 2028 and 2029.

	/s/ Aaron Wilkins	04/02/2026
	** 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).
** 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.
* Form 4: SEC 1474 (03-26)

SEC Form 4 filed by Wilkins Aaron