13 insiders reported 134 Form 4 transactions for NORTHWEST PIPE CO (NWPX) over the past 18 months (most recent 2026-09-23). Recent activity: LARSON KEITH R (Director) Sell 1,000 shares, Wilkins Aaron (CFO) Sell 20 shares, ROMAN RICHARD A (Director) Sell 1,000 shares, LARSON KEITH R (Director) Sell 1,000 shares, Wilkins Aaron (CFO) Sell 1,950 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-23 | LARSON KEITH R | Director | Sell | 1,000 | $102,310 |
| 2026-09-23 | Wilkins Aaron | CFO | Sell | 20 | $2,039 |
| 2026-09-16 | ROMAN RICHARD A | Director | Sell | 1,000 | $0 |
| 2026-09-16 | LARSON KEITH R | Director | Sell | 1,000 | $101,119 |
| 2026-09-16 | Wilkins Aaron | CFO | Sell | 1,950 | $196,329 |
| 2026-09-11 | FRANSON MICHAEL C | Director | Sell | 3,500 | $368,563 |
| 2026-09-11 | FRANSON MICHAEL C | Director | Sell | 100 | $0 |
| 2026-09-10 | ROMAN RICHARD A | Director | Sell | 4,000 | $422,877 |
| 2026-09-10 | LARSON KEITH R | Director | Sell | 1,000 | $105,869 |
| 2026-09-10 | Wilkins Aaron | CFO | Sell | 1,500 | $159,780 |
| 2026-09-04 | LARSON KEITH R | Director | Sell | 4 | $443 |
| 2026-09-03 | LARSON KEITH R | Director | Sell | 74 | $8,159 |
| 2026-09-02 | MONTROSS SCOTT J | President & CEO | Sell | 1,227 | $135,683 |
| 2026-09-02 | LARSON KEITH R | Director | Sell | 1,172 | $128,967 |
| 2026-08-28 | Wray Michael | Executive Vice President | Sell | 4,500 | $499,236 |
| 2026-08-28 | Wray Michael | Executive Vice President | Sell | 600 | $0 |
| 2026-08-25 | MONTROSS SCOTT J | President & CEO | Sell | 2,500 | $273,418 |
| 2026-08-25 | LARSON KEITH R | Director | Sell | 1,250 | $137,894 |
| 2026-08-18 | MONTROSS SCOTT J | President & CEO | Sell | 2,500 | $287,818 |
| 2026-08-18 | LARSON KEITH R | Director | Sell | 1,250 | $144,829 |
| 2026-08-11 | MONTROSS SCOTT J | President & CEO | Sell | 2,500 | $296,848 |
| 2026-08-11 | Wilkins Aaron | CFO | Sell | 428 | $51,360 |
| 2026-08-05 | MONTROSS SCOTT J | President & CEO | Sell | 2,500 | $321,546 |
| 2026-06-15 | Lockridge Irma | Director | Buy | 899 | $109,957 |
| 2026-06-12 | Paschal John | Director | Buy | 899 | $109,957 |
来源：SEC Form 4 申报文件 · 截至 2026-09-23