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Rallybio SEC Filings

NASDAQ: RLYBHealth CareBiotechnology: Pharmaceutical PreparationsUSD

17.02+0.03 (+0.18%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Rallybio filing overview

This page lists 60 recent SEC filings by Rallybio (RLYB), including 20 4, 15 8-K, 8 SCHEDULE 13G/A, 6 SCHEDULE 13G. The latest annual report (10-K) was filed on Mar 16, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 6, 2026.

The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Sep 9, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.

Summary generated from market data by MetaCap's automated system. Methodology

RLYB SEC filings

Rallybio SEC filings
FiledFormDescriptionDocument
Oct 8, 20264Statement of changes in beneficial ownershipView on EDGAR
Oct 1, 20264Statement of changes in beneficial ownershipView on EDGAR
Sep 28, 20264Statement of changes in beneficial ownershipView on EDGAR
Sep 18, 20264Statement of changes in beneficial ownershipView on EDGAR
Sep 9, 20268-KDeparture or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Aug 14, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 14, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 14, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 6, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 6, 202610-QQuarterly reportView on EDGAR
Aug 4, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Jul 10, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 5, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Jun 1, 20268-KEntry into a Material Definitive Agreement; Unregistered Sales of Equity Securities; Changes in Control of Registrant; Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD DisclosureView on EDGAR
May 20, 20264OWNERSHIP DOCUMENTView on EDGAR
May 15, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
May 15, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
May 15, 20264OWNERSHIP DOCUMENTView on EDGAR
May 15, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
May 15, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
May 13, 20264OWNERSHIP DOCUMENTView on EDGAR
May 13, 202610-QQuarterly reportView on EDGAR
May 6, 20264OWNERSHIP DOCUMENTView on EDGAR
May 6, 2026SCHEDULE 13D/ABeneficial ownership report (activist) (amendment)View on EDGAR
May 4, 20268-KTermination of a Material Definitive AgreementView on EDGAR
Apr 29, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Mar 31, 20268-KDeparture or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Mar 16, 202610-KAnnual reportView on EDGAR
Mar 6, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Mar 6, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Mar 3, 2026SCHEDULE 13D/ABeneficial ownership report (activist) (amendment)View on EDGAR
Mar 2, 20268-KEntry into a Material Definitive Agreement; Unregistered Sales of Equity Securities; Changes in Control of Registrant; Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD DisclosureView on EDGAR
Feb 27, 2026SCHEDULE 13D/ABeneficial ownership report (activist) (amendment)View on EDGAR
Feb 23, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 20, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 20, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 17, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Jan 29, 20268-KAmendments to Articles of Incorporation or Bylaws; Change in Fiscal Year; Submission of Matters to a Vote of Security HoldersView on EDGAR
Jan 2, 2026DEF 14ADefinitive proxy statementView on EDGAR
Nov 6, 20258-KResults of Operations and Financial ConditionView on EDGAR
Nov 6, 202510-QQuarterly reportView on EDGAR
Aug 29, 20258-KNotice of Delisting or Failure to Satisfy a Continued Listing Rule; Transfer of ListingView on EDGAR
Aug 7, 20258-KResults of Operations and Financial ConditionView on EDGAR
Aug 7, 202510-QQuarterly reportView on EDGAR
Jul 8, 20258-KEntry into a Material Definitive Agreement; Completion of Acquisition or Disposition of Assets; Other EventsView on EDGAR
Jun 27, 20258-KDeparture or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
May 16, 20258-KSubmission of Matters to a Vote of Security HoldersView on EDGAR
May 15, 20254Statement of changes in beneficial ownershipView on EDGAR
May 15, 20254Statement of changes in beneficial ownershipView on EDGAR
May 15, 20254Statement of changes in beneficial ownershipView on EDGAR
May 15, 20254Statement of changes in beneficial ownershipView on EDGAR
May 15, 20254Statement of changes in beneficial ownershipView on EDGAR
May 15, 20254Statement of changes in beneficial ownershipView on EDGAR
May 15, 20254Statement of changes in beneficial ownershipView on EDGAR
May 15, 20254Statement of changes in beneficial ownershipView on EDGAR
May 8, 20258-KResults of Operations and Financial ConditionView on EDGAR
May 8, 202510-QQuarterly reportView on EDGAR
Apr 8, 20258-KOther EventsView on EDGAR
Apr 7, 2025DEF 14ADefinitive proxy statementView on EDGAR
Mar 13, 20258-KOther EventsView on EDGAR

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