Form 4 for OKLO Oklo Inc.
Accepted 2026-05-21 16:37:15 ET · period of report 2026-05-19 · accession 0002080717-26-000007 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-05-21 16:37 | 2026-05-19 | OKLO | Goodwin William Carroll Murphy | Chief Legal, Strategy Off | M - OptEx | — | +20.7K | 46.7K | +79% | — |
| D | 2026-05-21 16:37 | 2026-05-20 | OKLO | Goodwin William Carroll Murphy | Chief Legal, Strategy Off | S - Sale+OE | $58.04 | -10.5K | 36.2K | -23% | -$612.2K |
| D | 2026-05-21 16:37 | 2026-05-19 | OKLO | Goodwin William Carroll Murphy | Chief Legal, Strategy Off | M - OptEx | $0.00 | -20.7K | 146.1K | -12% | $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 | 2026-05-19 | M | A | 20,686 | — | 46,723 | D | — | — | (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock. On May 19, 2026, 20,686 RSUs were released to the Reporting Person. (F2) For more information about the equity of the Issuer held by the Reporting Person, please see the Issuer's most recent definitive proxy statement filed with the Securities and Exchange Commission. |
| 2 | Common | Class A Common Stock | 2026-05-20 | S | D | 10,548 | $58.04 | 36,175 | D | — | — | (F3) 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 listed in Table II. 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. (F2) For more information about the equity of the Issuer held by the Reporting Person, please see the Issuer's most recent definitive proxy statement filed with the Securities and Exchange Commission. |
| 3 | Derivative | Restricted Stock Units | 2026-05-19 | M | D | 20,686 | $0.00 | 146,072 | D | — · — to — | 20,686 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. On May 19, 2026, 20,686 RSUs were released to the Reporting Person. (F4) On August 12, 2024, the Reporting Person was granted 248,227 RSUs, vesting as to one-third of the underlying shares on August 12, 2025 and thereafter in eight substantially equal quarterly installments. (F4) On August 12, 2024, the Reporting Person was granted 248,227 RSUs, vesting as to one-third of the underlying shares on August 12, 2025 and thereafter in eight substantially equal quarterly installments. |