Form 4 for NBP NovaBridge Biosciences
Accepted 2026-05-18 16:05:10 ET · period of report 2026-05-14 · accession 0001193125-26-228889 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-18 16:05 | 2026-05-14 | NBP | Cao Sean Wuxiong | See Remarks, Dir | S - Sale | $1.99 | -21.4K | 35.1K | -38% | -$42.6K |
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 | Ordinary Shares | 2026-05-14 | S | D | 21,399 | $1.99 | 35,073 | D | — | — | (F1) The Ordinary Shares may be represented by American Depositary Shares ("ADS"). Each 10 ADSs represent 23 Ordinary Shares of the Issuer. (F2) The reporting person sold 9,304 ADSs representing approximately 21,399 ordinary shares in connection with the partial vesting of a restricted stock unit award on January 31, 2026, solely to satisfy tax withholding obligations incurred in connection with the vesting. (F3) Price expressed in terms of ADSs. (F4) The reported securities are represented by 15,249 ADSs. |