Michael Stuart Klein is Director & 10% Owner at Oklo Inc. (OKLO). They have made 10 open-market trades across 7 companies since 2020, most recently 2026-08-03.
CIK 0001327392
7 open-market purchases totalling $34.5M since 2020, against 3 sales. Across 5 scored buys the stock is up 5.8% at ninety days, and 0.6 points ahead of the S&P over the same stretch.
6 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 33% | 83% | 100% |
| Avg Move | +1.2% | +13.1% | +5.8% |
| Alpha | +0.3% | +11.1% | +0.6% |
| Scored | 6 | 6 | 5 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| XIIIU | BUY | 2026-08-03 | 2026-08-05 | $10.00 | $3.5M | -0.4% | +0.6% | — |
| CXIIU | BUY | 2026-04-29 | 2026-04-29 | $10.00 | $3.5M | -0.2% | -0.3% | +7.6% |
| CCXIU | BUY | 2025-12-18 | 2025-12-19 | $10.00 | $5.0M | -0.1% | +0.1% | +0.3% |
| OKLO | SELL | 2025-09-22 | 2025-09-24 | $133.76 | $6.7M | +24.9% | +22.6% | -26.2% |
| OKLO | SELL | 2025-06-23 | 2025-06-25 | $54.85 | $2.7M | -6.5% | +31.9% | +149.2% |
| MPLN | BUY | 2020-11-17 | 2020-11-17 | $7.04 | $4.9M | -2.5% | +31.5% | +4.2% |
| MPLN | BUY | 2020-11-16 | 2020-11-16 | $7.11 | $5.0M | +4.0% | +23.5% | +3.3% |
| MPLN | BUY | 2020-11-13 | 2020-11-13 | $6.60 | $4.9M | +6.5% | +23.3% | +13.6% |
| CCXX | BUY | 2020-10-06 | 2020-10-08 | $10.30 | $7.7M | N/A | N/A | N/A |
| HOFV | SELL | 2020-07-22 | 2020-07-24 | $12.18 | $2.2M | -7.5% | -25.4% | -63.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| XIIIU | 350,000 | $3.7M |
| CTEV | 24,334 | $535K |
| HOFV | 419,382 | $365K |
| SKIL | 39,336 | $225K |
| IHS | 12,316 | $104K |
| Total | $462.4M |
Shares reported on the most recent Form 4, priced at the 2026-08-05 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.