Filing Manager
Samuel H. Altman
Reporting Manager
Samuel H. Altman
Symbol
OKLO
Shares outstanding
138,550,042 shares
Disclosed Ownership
6,650,402 shares
Ownership
4.8%
Form type
SCHEDULE 13D/A
Filing time
04 Apr 2025, 17:05:00 UTC
Date of event
06 Mar 2025
Previous filing
23 Dec 2024

Quoteable Key Fact

"Samuel H. Altman disclosed 4.8% ownership in Oklo Inc. Class A Common Stock, par value $0.0001 per share (OKLO) on 06 Mar 2025."

Quick Takeaways

  • Samuel H. Altman filed SCHEDULE 13D/A for Oklo Inc. Class A Common Stock, par value $0.0001 per share (OKLO).
  • Disclosed ownership: 4.8%.
  • Date of event: 06 Mar 2025.

What Changed

  • Previous schedule filing date: 23 Dec 2024.
  • Current filing was accepted on 04 Apr 2025, 17:05.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Samuel H. Altman 4.8% 6,650,402 6,650,402 0 /s/ Samuel H. Altman Samuel H. Altman, Managing Member 0001571705
Hydrazine Capital II, L.P. 0% 0 0 0 /s/ Samuel H. Altman Samuel H. Altman, Managing Member
Hydrazine Capital II, GP, LLC 0% 0 0 0 /s/ Samuel H. Altman Samuel H. Altman, Managing Member
Apollo Projects, L.P. 0.3% 478,500 478,500 0 /s/ Samuel H. Altman Samuel H. Altman, Managing Member
Apollo Projects GP, LLC 0.3% 478,500 478,500 0 /s/ Samuel H. Altman Samuel H. Altman, Managing Member