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CIK 0001849056 · Non-accelerated filer<br>Emerging growth company

Ticker
OKLO
Exchange
NYSE
Industry
Electric Services
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
650-550-0127
Business address
3190 CORONADO DR., SANTA CLARA, CA, 95054
Former names
AltC Acquisition Corp.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$25,002,141
in 30 filings, $14.7M under 10b5-1 plans

Net −$25,002,141. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2025-06-23 Klein Michael Stuart Director Sale −12,900 $55.22 $712K 200,000
2025-06-20 Klein Michael Stuart Director Sale −150,000 $62.74 $9.4M 250,000
2025-06-18 Klein Michael Stuart Director Sale −100,000 $63.53 $6.4M 400,000
2025-05-29 Cochran Caroline Co-Founder, COO Gift −100,000 10,402,108
2025-05-29 Cochran Caroline Co-Founder, COO Gift −100,000 10,705,098
2025-05-29 DeWitte Jacob Co-Founder, CEO Gift −100,000 10,705,098
2025-05-29 DeWitte Jacob Co-Founder, CEO Gift −100,000 10,402,108
2025-05-21 Kinzley Richard Director Gift −1,200 3,800
2025-03-31 DeWitte Jacob Co-Founder, CEO Sale −41,000 $21.80 $894K 10,852,926
2025-03-31 DeWitte Jacob Co-Founder, CEO Gift −75,000 10,777,926
2025-03-31 DeWitte Jacob Co-Founder, CEO Gift −25,000 10,483,085
2025-03-31 Cochran Caroline Co-Founder, COO Sale −41,000 $21.80 $894K 10,852,926
2025-03-31 Cochran Caroline Co-Founder, COO Gift −75,000 10,777,926
2025-03-31 Cochran Caroline Co-Founder, COO Gift −25,000 10,483,085
2025-03-28 DeWitte Jacob Co-Founder, CEO Sale −104,404 $22.64 $2.4M 10,929,157
2025-03-28 DeWitte Jacob Co-Founder, CEO Sale −35,231 $23.58 $831K 10,893,926
2025-03-28 Cochran Caroline Co-Founder, COO Sale −104,404 $22.64 $2.4M 10,929,157
2025-03-28 Cochran Caroline Co-Founder, COO Sale −35,231 $23.58 $831K 10,893,926
2025-03-27 Jansen John M Director Purchase +6,000 $24.57 $147K 6,000
2025-03-27 DeWitte Jacob Co-Founder, CEO Sale −20,730 $24.54 $509K 11,048,196

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