Marius Haas

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
4 years
Director since
2023

4 years of board service in total across 2 boards, counting each seat separately. Longest: Westlake Corporation, 3 years.

3 years · Since 2023
Fermi Inc. Director
1 year · Since 2025

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Jun 1, 2026 Fermi Inc. Grant or award +175,094 — —
Aug 11, 2024 Westlake Corporation Option exercise +1,136 — —
Aug 12, 2023 Westlake Corporation Option exercise +1,446 — —

Questions about Marius Haas

What boards is Marius Haas on?

Marius Haas sits on the boards of Fermi Inc. and Westlake Corporation.

How long has Marius Haas served on boards?

Our records show at least 4 years of board service across 2 boards, the earliest from 2023.

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