RLYB.NASDAQRallybio CORP

Form 4: Rallybio CFO Reports Stock Transaction

Sentiment:

Insider Transaction (Form 4)


Jonathan I Lieber, Chief Financial Officer of Rallybio Corp, reported multiple transactions in common stock on October 9, 2026.

Summary

  • Option exercise/conversion: acquired 3,910 Common Stock at $6.08 ($23,773) on October 9, 2026; holds 13,650 after (Direct).
  • Option exercise/conversion: disposed of 3,910 Option (Right to Buy) on October 9, 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)

DateTransactionSecuritySharesPriceValueHeld After
2026-10-09Option exercise/conversionCommon Stock3,910$6$23.8K13,650
2026-10-09Option exercise/conversionOption (Right to Buy)3,910——0

Key Dates

DateDescription
2026-10-09Option exercise/conversion (3,910 shares)
2026-10-09Option exercise/conversion (3,910 shares)

Keywords

insider transaction, Form 4, RLYB, Rallybio Corp, neutral, Jonathan I Lieber

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