Form 4: I-Mab Executive Reports Stock Transaction
Insider Transaction (Form 4)
Sean Wuxiong Cao, Chief Bus. Development Officer of I-Mab, reported multiple transactions in common stock on September 3, 2026.
Summary
- Option exercise/conversion: acquired 235,136 Ordinary Shares on September 3, 2026; holds 270,209 after (Direct).
- Option exercise/conversion: acquired 104,236 Ordinary Shares on September 3, 2026; holds 374,445 after (Direct).
- Option exercise/conversion: disposed of 102,233 Restricted Share Units on September 3, 2026; holds 306,700 after (Direct).
- Option exercise/conversion: disposed of 45,320 Restricted Share Units on September 3, 2026; holds 135,960 after (Direct).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
Sean Wuxiong Cao — Officer (Chief Bus. Development Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-03 | Option exercise/conversion | Ordinary Shares | 235,136 | — | — | 270,209 |
| 2026-09-03 | Option exercise/conversion | Ordinary Shares | 104,236 | — | — | 374,445 |
| 2026-09-03 | Option exercise/conversion | Restricted Share Units | 102,233 | — | — | 306,700 |
| 2026-09-03 | Option exercise/conversion | Restricted Share Units | 45,320 | — | — | 135,960 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-03 | Option exercise/conversion (235,136 shares) |
| 2026-09-03 | Option exercise/conversion (104,236 shares) |
| 2026-09-03 | Option exercise/conversion (102,233 shares) |
| 2026-09-03 | Option exercise/conversion (45,320 shares) |
Keywords
insider transaction, Form 4, NBP, NovaBridge Biosciences, neutral, Sean Wuxiong Cao
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