MONTROSS SCOTT J 4

What Happened Scott J. Montross, President & CEO of NWPX Infrastructure, Inc. (NWPX), sold 2,500 shares on 2026-03-16 in an open-market/private sale at a weighted average price of $71.44 per share for total proceeds of approximately $178,600. The filing indicates the transaction was executed under a pre-established 10b5-1(c) trading plan.

Key Details

• Transaction date: 2026-03-16; Form 4 filed: 2026-03-17 (appears timely).
• Sale type/code: S (Disposition) — open market/private sale.
• Price and proceeds: weighted average price $71.44; total ~$178,600.
• Multiple trades: reported price is a weighted average; reporting person can provide per-trade prices on request (footnote F2).
• 10b5-1 plan: adoption date 12/03/2025 (footnote F1) — sale appears to have been pre-arranged.
• Shares owned after transaction: not disclosed in the provided filing.
• Related equity awards disclosed: Restricted Stock Units (RSUs) — 1 RSU = right to 1 share; vest in installments Jan 2027, 2028, 2029 (F3–F4). Performance Shares vest in March 2026–2029 and are earned 0–200% based on NWPX total EBITDA margin (F5–F6).

Context Sales executed under a 10b5-1 plan are typically pre-scheduled and do not necessarily reflect the insider’s current view of the company. The filing also details outstanding time- and performance-based awards (RSUs and Performance Shares) with multi-year vesting schedules that may affect future insider holdings. This report is a routine disclosure of an insider sale; no late filing flag was indicated.