Samuel H. Altman

Sits on 2 boards. Last updated September 28, 2026

Time on boards

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

6 years of board service in total across 2 boards, counting each seat separately. Longest: Expedia Group Inc., 3 years.

3 years · Since 2023
Oklo Inc. Director
2 years · Since 2024

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
Nov 19, 2024 Oklo Inc. Option exercise +581,100 — —
May 9, 2024 Oklo Inc. Grant or award +3,151,379 — —
Jun 1, 2023 Expedia Group Inc. Option exercise +1,048 — —
Jun 1, 2023 Expedia Group Inc. Option exercise +645 — —
Jun 1, 2023 Expedia Group Inc. Option exercise +470 — —

Questions about Samuel H. Altman

What boards is Samuel H. Altman on?

Samuel H. Altman sits on the boards of Expedia Group Inc. and Oklo Inc.

How long has Samuel H. Altman served on boards?

Our records show at least 6 years of board service across 2 boards, the earliest from 2023.

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