IPO registrations (S-1, F-1) · Registrants
Oklo Inc.
- SEC CIK
- 1849056 · filings on EDGAR ↗
- Former names
- AltC Acquisition Corp. (2021–2024)
- Registration
- Form S-1, first filed 2021-03-15, last 2025-05-09; 3 initial registrations, 4 amendments
- Outcome
- Final prospectus filed 2021-07-09; declared effective 2021-07-07
- Industry (SIC)
- Electric Services 4911
- Incorporated in
- DE
- Business address
- 3190 CORONADO DR., Santa Clara, CA 95054
- Ticker
- OKLO (NYSE)
- EDGAR entity type
- operating
- Insiders and CEO pay
- Oklo Inc. on the corporate pages
Offering terms
- Final price
- $10.00 per share (424B4 filed 2021-07-09, an initial public offering)
- Shares sold
- 45,000,000
- Gross proceeds
- $450,000,000 before underwriting discounts and any over-allotment option
- Listing
- NYSE under the symbol ALCC
- Lead underwriters
- Citigroup
- Syndicate
- J.P. Morgan; Goldman Sachs; BofA Securities; B. Riley Securities; Academy Securities; Drexel Hamilton; Farvahar Capital LLC; Tigress Financial Partners
Read from the cover pages of the filings listed under “Prospectus pages read” below; check the document for anything that matters.
On this site
- Business registration: Oklo Inc Fuzzy (name and state)
- Business registration: OKLO INC. Fuzzy (name and state)
- Political committee (FEC): OKLO INC. POLITICAL ACTION COMMITTEE (connected to OKLO INC.) Fuzzy (name and state)
- Federal award recipient: OKLO INC. Fuzzy (name and state)
- Lobbying client: OKLO INC Fuzzy (name and state)
- Lobbying client: OKLO INC Fuzzy (name and state)
- Lobbying client: OKLO INC. Fuzzy (name and state)
- Lobbying client: OKLO INC. Fuzzy (name and state)
- Lobbying client: OKLO INC. Fuzzy (name and state)
- Lobbying client: OKLO INC. Fuzzy (name and state)
- Lobbying registrant: OKLO INC. Fuzzy (name and state)
- SEC filer: AltC Acquisition Corp. EXACT (CIK (EXACT))
Filings 18
| Filed | Form | What it is | Name as filed | EDGAR |
|---|---|---|---|---|
| 2021-03-15 | S-1 | S-1 (registration) | AltC Acquisition Corp. | 0001104659-21-035909 ↗ |
| 2021-05-07 | S-1/A | S-1/A (amendment) | AltC Acquisition Corp. | 0001104659-21-063197 ↗ |
| 2021-06-04 | S-1/A | S-1/A (amendment) | AltC Acquisition Corp. | 0001104659-21-077082 ↗ |
| 2021-06-21 | S-1/A | S-1/A (amendment) | AltC Acquisition Corp. | 0001104659-21-083232 ↗ |
| 2021-07-07 | S-1MEF | S-1MEF (added securities) | AltC Acquisition Corp. | 0001104659-21-089939 ↗ |
| 2021-07-07 | EFFECT | EFFECT (declared effective) | AltC Acquisition Corp. | 9999999995-21-002661 ↗ |
| 2021-07-09 | 424B4 | 424B4 (final prospectus) | AltC Acquisition Corp. | 0001104659-21-090716 ↗ |
| 2024-04-26 | EFFECT | EFFECT (declared effective) | AltC Acquisition Corp. | 9999999995-24-001146 ↗ |
| 2024-06-20 | S-1 | S-1 (registration) | Oklo Inc. | 0001104659-24-073383 ↗ |
| 2024-08-30 | S-1/A | S-1/A (amendment) | Oklo Inc. | 0001104659-24-095638 ↗ |
| 2024-09-18 | EFFECT | EFFECT (declared effective) | Oklo Inc. | 9999999995-24-002882 ↗ |
| 2025-05-07 | EFFECT | EFFECT (declared effective) | Oklo Inc. | 9999999995-25-001442 ↗ |
| 2025-05-09 | S-1 | S-1 (registration) | Oklo Inc. | 0001104659-25-046315 ↗ |
| 2025-05-13 | EFFECT | EFFECT (declared effective) | Oklo Inc. | 9999999995-25-001568 ↗ |
| 2025-06-06 | EFFECT | EFFECT (declared effective) | Oklo Inc. | 9999999995-25-001853 ↗ |
| 2025-06-06 | EFFECT | EFFECT (declared effective) | Oklo Inc. | 9999999995-25-001857 ↗ |
| 2025-06-12 | EFFECT | EFFECT (declared effective) | Oklo Inc. | 9999999995-25-001909 ↗ |
| 2025-12-04 | EFFECT | EFFECT (declared effective) | Oklo Inc. | 9999999995-25-003534 ↗ |
Prospectus pages read 3
| Filed | Form | Read as | Range | Price | Shares | Proceeds | Listing | Underwriters | What was found | Document |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-06-04 | S-1/A | registration statement | $10.00 | 40,000,000 | $400,000,000 | NYSE ALCC | 4 | primary document; price sentence, shares headline, proceeds table, cover names 4 | document ↗ | |
| 2021-06-21 | S-1/A | registration statement | - | - | 0 | primary document; no terms found | document ↗ | |||
| 2021-07-09 | 424B4 | final prospectus | $10.00 | 45,000,000 | $450,000,000 | NYSE ALCC | 9 | primary document; price sentence, shares headline, proceeds table, cover names 9 | document ↗ |
Officers, directors and large holders Forms 3, 4 and 5
| Insider | Role | Title | Filings | Years | On this site |
|---|---|---|---|---|---|
| AltC Sponsor LLC | Director,Officer,TenPercentOwner; Director,TenPercentOwner; TenPercentOwner | Chairman | 6 | 2021–2024 | |
| Altman Samuel H. | Director; Director,Officer | Chief Executive Officer | 4 | 2021–2024 | |
| Frei Frances X | Director | 1 | 2021 | ||
| Green Allison | Director | 1 | 2021 | ||
| Klein Michael Stuart | Director; Director,Officer,TenPercentOwner; Director,TenPercentOwner | Chairman | 9 | 2021–2025 | |
| M. Klein Associates, Inc. | Director,Officer,TenPercentOwner; Director,TenPercentOwner; TenPercentOwner | Chairman | 8 | 2021–2025 | |
| Taragin Lee Jay | Officer | Chief Financial Officer | 1 | 2021 | |
| THORNTON JOHN L | Director | 1 | 2021 | ||
| Lattman Peter | Director | 1 | 2022 | ||
| Bealmear Richard Craig | Officer | Chief Financial Officer | 18 | 2024–2026 | |
| Cochran Caroline | Director,Officer; Director,Officer,TenPercentOwner | Co-Founder, COO | 29 | 2024–2026 | |
| DeWitte Jacob | Director,Officer; Director,Officer,TenPercentOwner | Co-Founder, CEO | 29 | 2024–2026 | |
| Jansen John M | Director | 7 | 2024–2026 | ||
| Kinzley Richard | Director | 8 | 2024–2026 | ||
| Wright Christopher A | Director | 2 | 2024 | ||
| Thompson Michael N. Jr. | Director | 3 | 2025–2026 | ||
| PONEMAN DANIEL B | Director | 3 | 2025–2026 | ||
| Goodwin William Carroll Murphy | Officer | Chief Legal & Strategy Officer; Chief Strategy Officer | 12 | 2025–2026 | |
| Schweiger Patrick Joseph | Officer | Chief Technology Officer | 4 | 2025–2026 | |
| Kan Derek T. | Director | 4 | 2026 | ||
| Park David G | Director | 3 | 2026 | ||
| Peters Mark T | Director | 3 | 2026 | ||
| CHRISTIAN DAVID A | Director | 3 | 2026 | ||
| Dixon Michael | Officer | VP of Accounting & Controller | 1 | 2026 | |
| Hanson John | Officer | Chief of Staff | 5 | 2026 | |
| Lassen Erik | Officer | Senior VP of Engineering | 1 | 2026 | |
| Narayanadas Vivek | Officer | General Counsel & Secretary | 8 | 2026 | |
| Renner Alexandra | Officer | Chief Product Officer | 8 | 2026 |
Everyone who filed an insider report for this company, from the SEC’s Insider Transactions Data Sets (2006 on). Person pages are matched by name and state only.
Data: SEC EDGAR. The quarterly full index (every S-1, S-1/A, F-1 and F-1/A since 1993, with the pricing prospectus, notice of effectiveness and withdrawal request of each registrant) and the company submissions data (SIC, state of incorporation, address, EIN, tickers, former names). Company details are what EDGAR holds today, not at the time of the filing.
Also on this site Fuzzy
| Record | Name as filed | Where | Dataset | Matched by |
|---|---|---|---|---|
| SEC filer | Oklo Inc. | SEC filers (EDGAR) | CIK (EXACT) | |
| Business registration | Oklo Inc | State business registries | name and state | |
| Business registration | OKLO INC. | State business registries | name and state | |
| Political committee | OKLO INC. POLITICAL ACTION COMMITTEE (connected to OKLO INC.) | Campaign finance (FEC) | name and state | |
| Federal award recipient | OKLO INC. | Federal spending (USAspending) | name and state | |
| Lobbying client | OKLO INC | Federal lobbying (LDA) | name and state | |
| Lobbying client | OKLO INC | Federal lobbying (LDA) | name and state | |
| Lobbying client | OKLO INC. | Federal lobbying (LDA) | name and state | |
| Lobbying client | OKLO INC. | Federal lobbying (LDA) | name and state | |
| Lobbying client | OKLO INC. | Federal lobbying (LDA) | name and state | |
| Lobbying client | OKLO INC. | Federal lobbying (LDA) | name and state | |
| Lobbying registrant | OKLO INC. | Federal lobbying (LDA) | name and state |
Matched by an identifier (EIN, CIK, CRD), by name and state or city, or by street address; a shared name or address is not proof of the same person or organization. Every link says how it was made; how the cross-referencing works.
Others with the same interests
SIC industry Electric Services, CA first:
- PREMIER HOLDING CORP. CA
- Bimergen Energy Corp CA
- BrightSource Energy Inc CA
- Pattern Energy Group Inc. CA
- LightBeam Electric Co CA
- Heliogen, Inc. CA
- DEEP FISSION, INC. CA
- Hadron Energy, Inc. CA
- Plum Acquisition Corp. IV CA
- SB Energy, Inc. CA
In other datasets, the same topic (Energy) in CA:
- Lobbying client: 280 EARTH (Federal lobbying (LDA))
Interests: Electric Services · Energy