MONTROSS SCOTT J 4

What Happened
Scott J. Montross, President & CEO of NWPX Infrastructure, sold 2,500 shares of NWPX common stock in an open-market transaction on March 9, 2026. The weighted average sale price was $72.32 per share, generating proceeds of approximately $180,789. The sale was executed in multiple trades at prices ranging from $71.91 to $73.65 and was made pursuant to a pre-established 10b5-1 trading plan adopted on December 3, 2025.

Key Details

• Transaction date: 2026-03-09 (reported on Form 4 filed 2026-03-10). Filing appears timely.
• Shares sold: 2,500; weighted average price: $72.32; approximate proceeds: $180,789.
• Price range for trades: $71.91–$73.65 (report reflects weighted average; reporting person can provide per-trade breakdown on request).
• Sale type/code: S (sale, open-market/private sale). Executed under a 10b5-1(c) plan (adopted 12/03/2025).
• Shares owned after transaction: not specified in the provided filing excerpt.
• Related equity awards noted in the filing: Restricted Stock Units (each converts to one share; vest in installments Jan 2027 & Jan 2028) and Performance Shares (0–200% payout based on total EBITDA margin; vest in March 2026, 2027, 2028).

Context
This was a planned sale under a 10b5-1 trading plan, which typically means the trades were prearranged rather than ad hoc. Sales do not necessarily indicate a change in outlook; purchases tend to be more informative about bullish insider sentiment. The filing discloses ongoing equity awards that will vest in future periods (RSUs and performance-based shares).