How many insider trades does FilingIQ track for HBIO?

FilingIQ tracks 386 Form 4 insider transactions for HBIO (HARVARD BIOSCIENCE INC), covering filings from Dec 31, 2014 onwards. 7 of those were filed in the last 90 days.

Are HBIO insiders net buyers or net sellers?

Across the full Form 4 history for HBIO, 52 transactions (13%) were open-market purchases and 49 (13%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does HBIO insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is HBIO in?

HARVARD BIOSCIENCE INC (HBIO) is classified in the Healthcare sector, specifically Medical Instruments & Supplies, with a current market capitalisation of $26.04M.

HBIO insider trading

NasdaqCM Healthcare

HARVARD BIOSCIENCE INC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

386

Last 90 days

Buys / sells

13% / 13%

Market cap

$26.04M

About HARVARD BIOSCIENCE INC

Harvard Bioscience, Inc. develops, manufactures, and sells technologies, products, and services for life science applications in the United States, Germany, and internationally. The company offers cellular and molecular technology products, such as syringe and peristaltic infusion pump products; electroporation and electrofusion instruments, amino acid analyzers, spectrophotometers, and other equipment for molecular level testing and research; and precision scientific measuring instrumentation and equipment, including data acquisition systems for cellular analysis, complete micro electrode array solutions for in vivo recordings, and in vitro systems for extracellular recordings. It provides preclinical products that includes platform to assess physiological data from organisms for research, drug discovery, and drug development services comprising implantable and externally worn telemetry systems for use in research to collect cardiovascular, central nervous system, respiratory, and metabolic data; behavioral products; isolated organ and surgical products, instruments and accessories for tissue, and organ-based lab research, including surgical products, infusion systems, and behavior research systems; turn-key respiratory system solutions, including plethysmograph chambers, data acquisition hardware, physiological signal analysis software, and final report generation; inhalation and exposure systems; and GLP-capable data acquisition and analysis systems. The company markets its products through sales organizations, websites, and distributors to research scientists in pharmaceutical and biotechnology companies, universities, hospitals, and government laboratories; and contract research organizations and academic labs. It primarily sells its products under Harvard Apparatus, DSI, Buxco, Biochrom, BTX, Heka, Hugo Sachs, Multichannel Systems MCS GmbH, and Panlab brands. Harvard Bioscience, Inc. was founded in 1901 and is based in Holliston, Massachusetts.

Company website: www.harvardbioscience.com

HBIO insider activity at a glance

FilingIQ has scored 386 insider transactions for HBIO since Dec 31, 2014. The most recent filing in our index is dated Mar 20, 2026.

Across the full history, 52 open-market purchases and 49 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on HBIO insider trades is 49.8/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live HBIO trades on FilingIQ Raw filings on SEC EDGAR

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Frequently asked

How many insider trades does FilingIQ track for HBIO?: FilingIQ tracks 386 Form 4 insider transactions for HBIO (HARVARD BIOSCIENCE INC), covering filings from Dec 31, 2014 onwards. 7 of those were filed in the last 90 days.
Are HBIO insiders net buyers or net sellers?: Across the full Form 4 history for HBIO, 52 transactions (13%) were open-market purchases and 49 (13%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does HBIO insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is HBIO in?: HARVARD BIOSCIENCE INC (HBIO) is classified in the Healthcare sector, specifically Medical Instruments & Supplies, with a current market capitalisation of $26.04M.

Methodology & sources

Every HBIO insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.