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Harvard Bioscience SEC Filings

NASDAQ: HBIOIndustrialsBiotechnology: Laboratory Analytical InstrumentsUSD

8.24+0.11 (+1.35%)

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

Harvard Bioscience filing overview

This page lists 60 recent SEC filings by Harvard Bioscience (HBIO), including 25 8-K, 18 4, 7 SCHEDULE 13G/A, 4 10-Q. The latest annual report (10-K) was filed on Mar 13, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 11, 2026.

The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Aug 11, 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.

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HBIO SEC filings

Harvard Bioscience SEC filings
FiledFormDescriptionDocument
Sep 22, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 11, 20268-KResults of Operations and Financial ConditionView on EDGAR
Aug 11, 20268-KRegulation FD DisclosureView on EDGAR
Aug 11, 202610-QQuarterly reportView on EDGAR
Jun 12, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 11, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 11, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 11, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 11, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 2, 20268-KDeparture or Appointment of Directors or Officers; Compensatory Arrangements; Submission of Matters to a Vote of Security HoldersView on EDGAR
May 14, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
May 12, 20268-KResults of Operations and Financial ConditionView on EDGAR
May 12, 20268-KRegulation FD DisclosureView on EDGAR
May 12, 202610-QQuarterly reportView on EDGAR
Apr 21, 2026DEF 14ADefinitive proxy statementView on EDGAR
Apr 1, 20264Statement of changes in beneficial ownershipView on EDGAR
Apr 1, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 23, 2026SCHEDULE 13DBeneficial ownership report (activist)View on EDGAR
Mar 23, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 18, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 18, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 17, 20268-KRegulation FD DisclosureView on EDGAR
Mar 17, 20264Statement of changes in beneficial ownershipView on EDGAR
Mar 13, 202610-KAnnual reportView on EDGAR
Mar 12, 20268-KResults of Operations and Financial ConditionView on EDGAR
Mar 10, 20268-KDeparture or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Mar 6, 20268-KSubmission of Matters to a Vote of Security Holders; Regulation FD Disclosure; Other EventsView on EDGAR
Feb 12, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Feb 10, 20268-KResults of Operations and Financial ConditionView on EDGAR
Feb 9, 2026424B3ProspectusView on EDGAR
Jan 30, 2026DEF 14ADefinitive proxy statementView on EDGAR
Jan 29, 20268-KCosts Associated with Exit or Disposal Activities; Regulation FD DisclosureView on EDGAR
Jan 20, 20268-KAmendments to Articles of Incorporation or Bylaws; Change in Fiscal YearView on EDGAR
Jan 12, 20268-KRegulation FD DisclosureView on EDGAR
Dec 30, 20254Statement of changes in beneficial ownershipView on EDGAR
Dec 17, 20258-KEntry into a Material Definitive Agreement; Termination of a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement; Departure or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Dec 5, 20258-KOther EventsView on EDGAR
Nov 6, 20258-KResults of Operations and Financial ConditionView on EDGAR
Nov 6, 202510-QQuarterly reportView on EDGAR
Nov 3, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Oct 7, 20254Statement of changes in beneficial ownershipView on EDGAR
Oct 3, 20258-KNotice of Delisting or Failure to Satisfy a Continued Listing Rule; Transfer of ListingView on EDGAR
Sep 9, 20258-KDeparture or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD DisclosureView on EDGAR
Aug 19, 20254OWNERSHIP DOCUMENTView on EDGAR
Aug 13, 20258-KDeparture or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Aug 11, 20254OWNERSHIP DOCUMENTView on EDGAR
Aug 11, 20258-KResults of Operations and Financial ConditionView on EDGAR
Aug 11, 202510-QQuarterly reportView on EDGAR
Aug 11, 20258-KEntry into a Material Definitive AgreementView on EDGAR
Aug 7, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Jul 25, 20254OWNERSHIP DOCUMENTView on EDGAR
Jul 18, 20254OWNERSHIP DOCUMENTView on EDGAR
Jul 18, 20254OWNERSHIP DOCUMENTView on EDGAR
Jul 17, 20258-KDeparture or Appointment of Directors or Officers; Compensatory Arrangements; Other EventsView on EDGAR
Jul 17, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Jun 27, 20258-K/AAmended: Notice of Delisting or Failure to Satisfy a Continued Listing Rule; Transfer of ListingView on EDGAR
Jun 23, 20258-KNotice of Delisting or Failure to Satisfy a Continued Listing Rule; Transfer of ListingView on EDGAR
Jun 13, 20258-KDeparture or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
Jun 2, 20258-KDeparture or Appointment of Directors or Officers; Compensatory Arrangements; Submission of Matters to a Vote of Security HoldersView on EDGAR
May 30, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR

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