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

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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.

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

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Keith R. Larson

NWPX Forms 3/4/5

NORTHWEST PIPE CO

Relationship: Director
Holdings value: $842,817
Past year net change
Change %
Report period: 12 Jun 2025

ROG Forms 3/4/5

ROGERS CORP

Relationship: Director
Holdings value: $244,777
Past year net change
Change %
Report period: 05 May 2022

ASTS Forms 3/4/5

AST SpaceMobile, Inc.

Relationship: Director
Holdings value: $161,200
Past year net change: +$149,144
Change %: +1237%
Report period: 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.