NWPX Infrastructure (NWPX) CEO sells 2,500 shares under 10b5-1 plan

Rhea-AI Filing Summary

NWPX Infrastructure, Inc. President & CEO Scott J. Montross reported an open-market sale of 2,500 shares of common stock on March 9, 2026 at a weighted average price of $72.3155 per share, executed in multiple trades between $71.91 and $73.65.

The sale was made under a pre-arranged Rule 10b5-1(c) trading plan adopted on December 3, 2025. After this transaction, he directly holds 70,977 common shares, plus equity awards. These include 7,616 Restricted Stock Units, each representing one share of common stock and scheduled to vest in installments in January 2027 and 2028.

He also holds 46,752 Performance Shares, which are earned based on NWPX’s total EBITDA margin over a measurement period and can vest from 0–200% of the target amount. These Performance Shares vest in installments in March 2026, 2027 and 2028, providing additional potential future equity exposure.

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^*

MONTROSS SCOTT J

(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)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
03/09/2026

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	03/09/2026		S(1)		2,500(1)	D	$72.3155(2)	70,977	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
Restricted Stock Units	(3)							(4)	(4)	Common Stock	7,616(3)		7,616	D
Performance Shares	(5)							(6)	(6)	Common Stock	46,752(5)		46,752	D

Explanation of Responses:

1. Adoption date of referenced 10b5-1(c) plan is: 12/03/2025

2. This transaction was executed in multiple trades at prices ranging from $71.91 to $73.65 per share. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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

4. The Restricted Stock Units vest in installments in January of 2027 and 2028.

5. 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.

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

	/s/ Megan Kendrick	03/10/2026
	** 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.

FAQ

What insider transaction did NWPX (NWPX) report for its CEO?

NWPX reported that President & CEO Scott J. Montross sold 2,500 shares of common stock in an open-market transaction on March 9, 2026, at a weighted average price of $72.3155 per share, executed across multiple trades between $71.91 and $73.65.

Was the NWPX CEO share sale made under a 10b5-1 trading plan?

Yes. The 2,500-share sale by NWPX President & CEO Scott J. Montross was made under a pre-arranged Rule 10b5-1(c) trading plan adopted on December 3, 2025, indicating the transaction was scheduled in advance rather than timed discretionarily.

How many NWPX shares does the CEO hold after the March 2026 sale?

Following the March 9, 2026 sale, Scott J. Montross directly holds 70,977 shares of NWPX common stock. In addition, he retains equity awards in the form of Restricted Stock Units and Performance Shares that could convert into further common shares over future vesting periods.

What Restricted Stock Units does the NWPX CEO currently hold?

Scott J. Montross holds 7,616 Restricted Stock Units, each representing a contingent right to receive one share of NWPX common stock. These RSUs vest in installments in January 2027 and January 2028, potentially increasing his direct share ownership as they settle.

How are the NWPX CEO’s Performance Shares structured and when do they vest?

He holds 46,752 Performance Shares tied to NWPX’s total EBITDA margin over a measurement period. Depending on performance, 0–200% of these may be earned, with vesting scheduled in installments in March 2026, March 2027 and March 2028, creating performance-linked equity exposure.

What price range did the NWPX CEO’s share sale cover on March 9, 2026?

The 2,500 shares of NWPX common stock sold by Scott J. Montross on March 9, 2026 were executed in multiple trades at prices ranging from $71.91 to $73.65 per share, with a reported weighted average sale price of $72.3155 per share.