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 ยท Since 2023
Oklo Inc. Director
2 years ยท Since 2024

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 โ€” โ€”
May 9, 2024 Oklo Inc. Grant or award +3,151,379 โ€” โ€”
Jun 1, 2023 Expedia Group Inc. Option exercise +1,048 โ€” โ€”
Jun 1, 2023 Expedia Group Inc. Option exercise +645 โ€” โ€”
Jun 1, 2023 Expedia Group Inc. Option exercise +470 โ€” โ€”

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