Filer Snapshot

Oklo Inc.

CIK 0001849056. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Company

Total filings

391

Latest filing

21 May 2026

Industry

Electric Services

Filing-backed research brief

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Latest signal: SEC filing timeline only. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Largest parsed holding

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Populates from the latest parsed 13F information table.

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13D/G large stake

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Source: SEC filing 144

144 filed on 21 May 2026 for CIK 0001849056.

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Identity
Public symbols
OKLO on NYSE
Industry
Electric Services (Office Of Energy & Transportation)
Business address
3190 Coronado Dr., Santa Clara, CA, 95054
SEC record
State of incorporation
DE
Fiscal year end
31 December
Former names
AltC Acquisition Corp. (to 08 May 2024)

Filer intelligence

What SEC filings say about Oklo Inc.

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

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SEC source mix

Counts show available parsed rows, not one combined ownership total.

No XML rows yet
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Forms 3/4/5 No rows yet

Officer, director, and 10% owner holdings or transactions.

No parsed ownership summary yet

We still show the SEC filing timeline below. The intelligence summary will populate when parsed 13F, 13D/G, or Forms 3/4/5 data exists for this CIK.

Latest update

What changed recently for Oklo Inc.

New fact period available

Latest financial period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

12 May 2026

Page type

Company facts

Latest period

Q1 2026

SEC-backed company facts were refreshed from filings filed on 12 May 2026.

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Benchmark Context

Benchmark context for this company

Oklo Inc. has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.

Why this is notable

Latest financial period: Q1 2026. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 12 May 2026.
  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
  • Open the facts page first if you want the cleanest path to verification.

Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

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SEC filing record

CIK 0001849056 filing coverage

Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.

SEC filings
391
First seen
15 Mar 2021
Latest filing
21 May 2026
Entity
Company

Observed form types

144 4 424B5 8-K 10-Q ARS 3 SCHEDULE 13D/A DEF 14A SCHEDULE 13G/A +32 more

Primary evidence

Open SEC filing index Oklo Inc. SEC filings Oklo Inc. insider transactions Oklo Inc. company facts OKLO holder history

Industry context: Electric Services.

Latest Filings

Showing the latest 12 of 391 SEC filings for Oklo Inc..

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144 File 001-40583

144 filing

Filing date
21 May 2026
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
21 May 2026
Reporting date
19 May 2026
SEC evidence
Open document Open filing
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144 File 001-40583

144 filing

Filing date
20 May 2026
Reporting date
Not listed
SEC evidence
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144 File 001-40583

144 filing

Filing date
20 May 2026
Reporting date
Not listed
SEC evidence
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424B5 File 333-291157

424B5

Filing date
13 May 2026
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
05 May 2026
Reporting date
01 May 2026
SEC evidence
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4

FORM 4

Filing date
04 May 2026
Reporting date
01 May 2026
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
04 May 2026
Reporting date
01 May 2026
SEC evidence
Open document Open filing
Next action
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ARS File 001-40583

ARS

Filing date
04 May 2026
Reporting date
31 Dec 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-40583

144 filing

Filing date
01 May 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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