---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-233263"
form_type: "8-K"
ticker: "RLYB"
cik: "0001739410"
company_name: "Rallybio Corp"
filed_at: "2021-08-02T23:59:59+00:00"
generated_at: "2026-06-30T00:01:41.124887+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Rallybio completes IPO, files amended charter and bylaws on August 2, 2021

## Summary
- Authorized 200M shares of common stock and 50M shares of preferred stock in restated certificate.
- Adopted amended and restated bylaws effective upon IPO closing, updating stockholder proposal procedures and director nomination rules.
- Entered Registration Rights Agreement with stockholders on July 28, 2021 granting customary registration rights.
- Registration Rights Agreement requires company to pay expenses of registrations, holders pay underwriting discounts.

## SEC filing metadata
- accession: 0001193125-21-233263
- form_type: 8-K
- ticker: RLYB
- cik: 0001739410
- company_name: Rallybio Corp
- filed_at: 2021-08-02T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 1.01, 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1739410/000119312521233263/0001193125-21-233263-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1739410/000119312521233263/d211041d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-233263
- JSON: https://secwatch.observer/filing/0001193125-21-233263.json
- Plain text: https://secwatch.observer/filing/0001193125-21-233263.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.