LARSON KEITH R
SEC Form 4 insider trading activity
LARSON KEITH R has filed 14 SEC Form 4 filings (14 transaction rows) across 2 companies, including NWPX, ASTS, with disclosures dating back to 2025. 14 of those filings fall inside the rolling window. Most recent filing: Oct 6, 2026.
On the most recent filing, LARSON KEITH R is listed as Director at NWPX Infrastructure, Inc. Inside the rolling window, LARSON KEITH R reported 3 open-market purchases totaling $149K in ASTS and 10 open-market sales totaling $858K in NWPX. The largest disclosed transaction in the window is a sale of 1,250 NWPX shares on Aug 17, 2026, worth $145K.
Companies traded
Other insiders at NWPX
Insider Buying
$149K
reported purchases (SEC code P)
Insider Selling
$858K
reported sales (SEC code S)
Companies
2
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| NWPX | Director | Sale | 250 | $27K | Oct 6 | SEC ↗ | |
| NWPX | Director | Sale | 1,000 | $102K | Sep 30 | SEC ↗ | |
| NWPX | Director | Sale | 1,000 | $102K | Sep 23 | SEC ↗ | |
| NWPX | Director | Sale | 1,000 | $101K | Sep 16 | SEC ↗ | |
| NWPX | Director | Sale | 1,000 | $106K | Sep 10 | SEC ↗ | |
| NWPX | Director | Sale | 4 | $443 | Sep 4 | SEC ↗ | |
| NWPX | Director | Sale | 74 | $8K | Sep 3 | SEC ↗ | |
| NWPX | Director | Sale | 1,172 | $129K | Sep 2 | SEC ↗ | |
| NWPX | Director | Sale | 1,250 | $138K | Aug 25 | SEC ↗ | |
| NWPX | Director | Sale | 1,250 | $145K | Aug 18 | SEC ↗ | |
| ASTS | Director | Purchase | 625 | $50K | Dec 29 | SEC ↗ | |
| ASTS | Director | Purchase | 715 | $50K | Dec 17 | SEC ↗ | |
| ASTS | Director | Purchase | 675 | $49K | Dec 10 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has LARSON KEITH R made?
LARSON KEITH R has filed 14 SEC Form 4 filings (14 transaction rows) across 2 companies, including NWPX, ASTS since 2025.
Which companies does LARSON KEITH R trade?
LARSON KEITH R has filed SEC Form 4 disclosures for 2 companies, including NWPX, ASTS.
When was LARSON KEITH R's most recent SEC Form 4 filing?
LARSON KEITH R's most recent SEC Form 4 filing on Tracefour is dated Oct 6, 2026.
What is LARSON KEITH R's total buy and sell value in the current window?
Inside the rolling retention window, LARSON KEITH R bought $149K and sold $858K based on SEC Form 4 filings.
What was LARSON KEITH R's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 1,250 NWPX shares on 2026-08-17, worth $145K, per SEC Form 4 filings.