Quick Takeaways
- Keith R. Larson has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $1,248,794.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Keith R. Larson
- Location
- Vancouver, WA
- Summary
- The estimated net worth of Keith R. Larson is at least $1,248,794 dollars as of 29 Dec 2025. Keith R. Larson is the Director of NORTHWEST PIPE CO and owns shares of NWPX Infrastructure, Inc. (NWPX) stock worth about $842.8K. Keith R. Larson is the Director of ROGERS CORP and owns shares of ROGERS CORP (ROG) stock worth about $244.8K. Keith R. Larson is the Director of AST SpaceMobile, Inc. and owns shares of AST SpaceMobile, Inc. (ASTS) stock worth about $161.2K.
- Signature
- /s/ Keith Larson
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Keith R. Larson and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: NORTHWEST PIPE CO ($842,817).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Keith R. Larson
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| NWPX | NORTHWEST PIPE CO | Director | $842,817 | 12 Jun 2025 | ||
| ROG | ROGERS CORP | Director | $244,777 | 05 May 2022 | ||
| ASTS | AST SpaceMobile, Inc. | Director | $161,200 | +$149,144 | +1237% | 24 Dec 2025 |
Insider Transactions Reported by Keith R. Larson:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.