CIK 0001849056 · Non-accelerated filer<br>Emerging growth company
Oklo Inc.
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- 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.
Who's trading
90 days
- Cochran Caroline −$11.0M Co-Founder, COO sold 48% of stake
- DeWitte Jacob −$11.0M Co-Founder, CEO sold 50% of stake
- Bealmear Richard Craig −$1.7M Chief Financial Officer sold 10% of stake
- Goodwin William Carroll Murphy −$527K Chief Strategy Officer sold 22% of stake
- Narayanadas Vivek −$325K General Counsel & Secretary sold 47% of stake
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-08-03 | DeWitte Jacob Co-Founder, CEO | Sale 10b5-1 | −40,000 | $41.35 | $1.7M | 438,039 |
| 2026-08-03 | DeWitte Jacob Co-Founder, CEO | Sale 10b5-1 | −16,500 | $38.55 | $636K | 552,979 |
| 2026-08-03 | DeWitte Jacob Co-Founder, CEO | Sale 10b5-1 | −3,500 | $39.60 | $139K | 549,479 |
| 2026-08-03 | Bealmear Richard Craig Chief Financial Officer | Option exercise 10b5-1 | +16,452 | $3.18 | $52K | 466,784 |
| 2026-08-03 | Bealmear Richard Craig Chief Financial Officer | Sale 10b5-1 | −16,452 | $38.80 | $638K | 450,332 |
| 2026-08-03 | Bealmear Richard Craig Chief Financial Officer | Option exercise · Stock Options 10b5-1 | −16,452 | 641,759 | ||
| 2026-07-02 | Bealmear Richard Craig Chief Financial Officer | Option exercise 10b5-1 | +5,775 | $3.18 | $18K | 450,332 |
| 2026-07-02 | Bealmear Richard Craig Chief Financial Officer | Option exercise · Stock Options 10b5-1 | −5,775 | 658,211 | ||
| 2026-07-01 | Bealmear Richard Craig Chief Financial Officer | Option exercise 10b5-1 | +16,321 | $3.18 | $52K | 460,878 |
| 2026-07-01 | Bealmear Richard Craig Chief Financial Officer | Sale 10b5-1 | −16,321 | $52.63 | $859K | 444,557 |
| 2026-07-01 | Bealmear Richard Craig Chief Financial Officer | Option exercise · Stock Options 10b5-1 | −16,321 | 663,986 | ||
| 2026-07-01 | Cochran Caroline Co-Founder, COO | Sale | −60,000 | $52.30 | $3.1M | 478,039 |
| 2026-07-01 | Cochran Caroline Co-Founder, COO | Sale | −40,000 | $53.28 | $2.1M | 569,479 |
| 2026-07-01 | Cochran Caroline Co-Founder, COO | Sale | −60,000 | $52.80 | $3.2M | 511,533 |
| 2026-07-01 | Cochran Caroline Co-Founder, COO | Sale | −40,000 | $53.71 | $2.1M | 536,483 |
| 2026-07-01 | DeWitte Jacob Co-Founder, CEO | Sale | −60,000 | $52.80 | $3.2M | 511,533 |
| 2026-07-01 | DeWitte Jacob Co-Founder, CEO | Sale | −40,000 | $53.71 | $2.1M | 536,483 |
| 2026-07-01 | DeWitte Jacob Co-Founder, CEO | Sale | −60,000 | $52.30 | $3.1M | 478,039 |
| 2026-07-01 | DeWitte Jacob Co-Founder, CEO | Sale | −40,000 | $53.28 | $2.1M | 569,479 |
| 2026-06-11 | Jansen John M Director | Grant or award · Restricted Stock Units | +3,213 | 3,213 |
Page 7 of 30 · 586 trades