MONTROSS SCOTT J (CIK 1228503) reported 34 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-02). Recent activity: Buy NWPX (10,069 shares), Sell NWPX (3,962 shares), Buy NWPX (10,079 shares), Sell NWPX (3,966 shares), Buy NWPX (8,224 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-02 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Buy | 10,069 | $0 |
| 2026-04-02 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 3,962 | $308,481 |
| 2026-04-02 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Buy | 10,079 | $0 |
| 2026-04-02 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 3,966 | $308,793 |
| 2026-04-02 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Buy | 8,224 | $0 |
| 2026-04-02 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 3,236 | $251,955 |
| 2026-03-31 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 2,056 | $158,004 |
| 2026-03-23 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 2,500 | $181,200 |
| 2026-03-17 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 2,500 | $178,600 |
| 2026-03-10 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 2,500 | $180,800 |
| 2026-01-20 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Buy | 2,585 | $0 |
| 2026-01-20 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 1,287 | $89,150 |
| 2026-01-20 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Buy | 2,869 | $0 |
| 2026-01-20 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 997 | $69,062 |
| 2026-01-20 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Buy | 2,515 | $0 |
| 2026-01-20 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 989 | $68,508 |
| 2025-11-13 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 1,000 | $57,530 |
| 2025-11-13 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 1,500 | $86,010 |
| 2025-11-13 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 2,500 | $143,075 |
| 2025-11-13 | NWPX Infrastructure, Inc. (NWPX) | President & CEO | Sell | 3,210 | $183,548 |
| 2025-05-06 | NORTHWEST PIPE CO (NWPX) | President & CEO | Sell | 8,869 | $0 |
| 2025-04-02 | NORTHWEST PIPE CO (NWPX) | President & CEO | Buy | 9,383 | $0 |
| 2025-04-02 | NORTHWEST PIPE CO (NWPX) | President & CEO | Sell | 3,692 | $152,480 |
| 2025-04-02 | NORTHWEST PIPE CO (NWPX) | President & CEO | Buy | 9,550 | $0 |
| 2025-04-02 | NORTHWEST PIPE CO (NWPX) | President & CEO | Sell | 3,757 | $155,164 |
Source: SEC Form 4 filings · as of 2026-04-02