406 Energy

Denver, United States · Founded 2025

Headquarters
Denver, Colorado
Employees
1–10
Founded
2025
Business Model
B2B
Last Round
Venture RoundOct 2025
Rounds
1

About

406 Energy is an upstream oil and gas exploration and production company backed by NGP Energy Capital Management, focused on acquiring and developing high-return oil and gas assets in North America. Founded in 2025 by a team of technical leaders including Mark Graeve, Tom Kastens, Josh Sigler, and Eric Matus — veterans of XCL Resources — the company takes its name from Ted Williams' legendary .406 batting average in 1941. The company plans to deliver strong production growth, operational efficiency, and long-term value through disciplined upstream development.

Summary

406 Energy is a company based in Denver, United States, founded in 2025. Its most recent funding was a Venture Round round in Oct 2025. Investors include NGP Energy Capital.

Tech & App Stack

1 technologies & apps tracked

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Funding History

Venture RoundVenture RoundOct 2025

Investors