Latest filingSep 03, 2026Most recent Form 4
NWPX
NWPX Infrastructure, Inc.
NasdaqIndustrialsSteel Pipe & Tubes
Insider activity for last month from 08/04 to 09/04. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$120M6 sells
Net open-market-$120M3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period7transactions
- S · Open-market sells · dominant6 · 86%
- G · Gifts1 · 14%
Activity by reported role
A joint filing can contribute to multiple roles9transactions
- Director · dominant3 · 33%
- Chief executive officer2 · 22%
- EVP2 · 22%
- PRES2 · 22%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (3)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeLarson Keith RCommon Stock · Direct
18,637Sep 02, 2026
Montross Scott JCommon Stock · Direct
69,902Aug 31, 2026
Wray MichaelCommon Stock · Direct
23,286Aug 27, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 04 → Sep 04
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Top insiders
By absolute net value across the selected period- MJ-$423.5k
- LR-$282.0k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
NWPX transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| NWPX | LARSON KEITH R | DIR | sale10b5-1 | 74 | -$815k | S | — | 0.0% | 09/03 | 09/02 |
| NWPX | LARSON KEITH R | DIR | sale10b5-1 | 1.17k | -$12.8M | S | 0.0% | 09/02 | 08/31 | |
| NWPX | MONTROSS SCOTT J | PRESCEO | sale10b5-1 | 1.22k | -$13.5M | S | 0.0% | 09/02 | 08/31 | |
| NWPX | MONTROSS SCOTT J | PRESCEO | sale10b5-1 | 2.50k | -$28.7M | S | −4.1% | 08/18 | 08/17 | |
| NWPX | LARSON KEITH R | DIR | sale10b5-1 | 1.25k | -$14.4M | S | −4.1% | 08/18 | 08/17 |
NWPX Infrastructure, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at NWPX Infrastructure, Inc.?
LARSON KEITH R, MONTROSS SCOTT J, Wray Michael.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Larson Keith R reported a sale on Sep 02, 2026 valued at $815k. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $1,204,691.99. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.