Form 4 for STDN Standard Nuclear, Inc.
Accepted 2026-07-17 21:14:51 ET · period of report 2026-07-15 · accession 0001628280-26-048742 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-07-17 21:14 | 2026-07-15+ | STDN | Marrocco Keeley Rose | COO | A - Grant | $0.00 | +564.6K | 3.56M | +19% | $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 | 2026-07-15 | A | A | 200,000 | $0.00 | 3,200,000 | D | — | — | (F1) Represents shares of Class A Common Stock underlying an award of restricted stock units ("RSUs"). The RSUs will vest over four years, with 25% vesting on June 1, 2027 and the remainder vesting in equal monthly installments thereafter, subject to the Reporting Person's continued service through each vesting date. |
| 2 | Common | Class A common stock | 2026-07-17 | A | A | 364,625 | $0.00 | 3,564,625 | D | — | — | (F2) Represents shares of Class A Common Stock underlying an award of RSUs. The RSUs will vest over three years in quarterly installments of 1/12th, subject to the Reporting Person's continued service through each vesting date. |