Form 4: Rallybio CFO Reports Stock Transaction
Insider Transaction (Form 4)
Jonathan I Lieber, Chief Financial Officer of Rallybio Corp, reported multiple transactions in common stock on September 29, 2026.
Summary
- Option exercise/conversion: acquired 5,000 Common Stock at $6.08 ($30,400) on September 29, 2026; holds 9,740 after (Direct).
- Option exercise/conversion: disposed of 5,000 Option (Right to Buy) on September 29, 2026 (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
Jonathan I Lieber — Officer (Chief Financial Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-29 | Option exercise/conversion | Common Stock | 5,000 | $6 | $30.4K | 9,740 |
| 2026-09-29 | Option exercise/conversion | Option (Right to Buy) | 5,000 | — | — | 0 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-29 | Option exercise/conversion (5,000 shares) |
| 2026-09-29 | Option exercise/conversion (5,000 shares) |
Keywords
insider transaction, Form 4, RLYB, Rallybio Corp, neutral, Jonathan I Lieber
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