Form 4 for OKLO Oklo Inc.
Accepted 2026-08-25 16:07:24 ET · period of report 2026-08-21 · accession 0002146790-26-000004 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-08-25 16:07 | 2026-08-21 | OKLO | Narayanadas Vivek | GC, Sec | M - OptEx | — | +4,806 | 11.1K | +77% | — |
| DT | 2026-08-25 16:07 | 2026-08-24 | OKLO | Narayanadas Vivek | GC, Sec | S - Sale+OE | $39.77 | -3,264 | 7,822 | -29% | -$129.8K |
| DT | 2026-08-25 16:07 | 2026-08-21 | OKLO | Narayanadas Vivek | GC, Sec | M - OptEx | $0.00 | -4,806 | 13.4K | -26% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-08-21 | M | A | 4,806 | — | 11,086 | D | — | — | (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock. |
| 2 | Common | Class A Common Stock | 2026-08-24 | S | D | 3,264 | $39.77 | 7,822 | D | — | — | (F2) Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person. |
| 3 | Derivative | Restricted Stock Units | 2026-08-21 | M | D | 4,806 | $0.00 | 13,449 | D | — · — to — | 4,806 Class A Common Stock | (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock. (F3) On February 3, 2025, the Reporting Person was granted 36,508 RSUs, vesting as to 20% of the underlying shares on February 3, 2026 and continuing to vest thereafter in 24 substantially equal monthly installments. On August 21, 2026, 4,806 RSUs vested. (F3) On February 3, 2025, the Reporting Person was granted 36,508 RSUs, vesting as to 20% of the underlying shares on February 3, 2026 and continuing to vest thereafter in 24 substantially equal monthly installments. On August 21, 2026, 4,806 RSUs vested. |