How many insider trades does FilingIQ track for QSI?

FilingIQ tracks 128 Form 4 insider transactions for QSI (Quantum-Si Inc), covering filings from Jun 10, 2021 onwards. 23 of those were filed in the last 90 days.

Are QSI insiders net buyers or net sellers?

Across the full Form 4 history for QSI, 13 transactions (10%) were open-market purchases and 57 (45%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does QSI 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 QSI in?

Quantum-Si Inc (QSI) is classified in the Healthcare sector, specifically Medical Devices, with a current market capitalisation of $217.64M.

QSI insider trading

NasdaqGM Healthcare

Quantum-Si Inc — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

128

Last 90 days

Buys / sells

10% / 45%

Market cap

$217.64M

About Quantum-Si Inc

Quantum-Si incorporated, a life sciences company, engages in the development of single-molecule detection platform to enable Next Generation Protein Sequencing (NGPS). The company offers Platinum NGPS instrument that provides single molecule amino acid level resolution with a streamlined workflow, including automated data analysis that accessible to researchers in all laboratory types; Platinum Pro NGPS instrument, a single molecule amino acid resolution, which provides an enhanced user interface, cloud or on instrument data analysis and an available pro mode; Library preparation kits to prepare protein sample for sequencing; Barcoding Kits to optimize the workflow and performance of technology; and Sequencing Kits contains the reagents and consumables used to perform NGPS on the Platinum or Platinum Pro instrument. It also provides Platinum Analysis Software, a cloud-based solution that automates data analysis workflows and provides a user-friendly interface and visualization of the sequencing results. Its products are used in antibody characterization, biomarker identification, protein identification, protein variants, protein barcoding, and post translational modification analysis applications. Quantum-Si incorporated was founded in 2013 is headquartered in Branford, Connecticut.

Company website: www.quantum-si.com

QSI insider activity at a glance

FilingIQ has scored 128 insider transactions for QSI since Jun 10, 2021. The most recent filing in our index is dated Apr 21, 2026.

Across the full history, 13 open-market purchases and 57 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 QSI insider trades is 56.4/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live QSI trades on FilingIQ Raw filings on SEC EDGAR

Latest QSI Form 4 filings

Hawkins Jeffrey Alan President & CEO

S Apr 21, 2026

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for QSI?: FilingIQ tracks 128 Form 4 insider transactions for QSI (Quantum-Si Inc), covering filings from Jun 10, 2021 onwards. 23 of those were filed in the last 90 days.
Are QSI insiders net buyers or net sellers?: Across the full Form 4 history for QSI, 13 transactions (10%) were open-market purchases and 57 (45%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does QSI 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 QSI in?: Quantum-Si Inc (QSI) is classified in the Healthcare sector, specifically Medical Devices, with a current market capitalisation of $217.64M.

Methodology & sources

Every QSI 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.