Quantum-Si Inc (QSIAW) — SEC Filings

Quantum-Si Inc (QSIAW) — 41 SEC filings. Latest: 8-K (Dec 29, 2025). Includes 25 8-K, 6 10-Q, 3 SC 13G/A.

View Quantum-Si Inc on SEC EDGAR

Overview

Quantum-Si Inc (QSIAW) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 8-K filed on Nov 20, 2025: Quantum-Si Incorporated filed an 8-K on November 19, 2025, reporting on a Regulation FD Disclosure and Financial Statements and Exhibits. The company, formerly HighCape Capital Acquisition Corp., is incorporated in Delaware and headquartered in Branford, Connecticut.

Sentiment Summary

Across 41 filings, the sentiment breakdown is: 2 bullish, 2 bearish, 36 neutral, 1 mixed. The dominant filing sentiment for Quantum-Si Inc is neutral.

Filing Type Overview

Quantum-Si Inc (QSIAW) has filed 25 8-K, 6 10-Q, 2 DEF 14A, 2 10-K, 1 SC 13D/A, 3 SC 13G/A, 2 SC 13G with the SEC between Jan 2024 to Dec 2025.

Filings by Year

2025 · 2024

Recent SEC Filings (41)

Quantum-Si Inc SEC Filing History
DateFormDescriptionRisk
Dec 29, 20258-K8-K Filing
Nov 20, 20258-KQuantum-Si Files 8-K: Regulation FD & Financialslow
Nov 5, 202510-QQuantum-Si's Losses Widen Amidst Soaring Operating Costshigh
Sep 29, 20258-KQuantum-Si Inc. Enters Material Definitive Agreementmedium
Sep 26, 20258-KQuantum-Si Inc. Terminates Agreement, Incurs New Obligationmedium
Aug 8, 20258-KQuantum-Si Files 8-Klow
Aug 5, 202510-QQuantum-Si Revenue Jumps 50% in Q2, Driven by Product Saleshigh
Jul 7, 20258-KQuantum-Si Reports Warrant Agreement and Terminationmedium
May 19, 20258-KQuantum-Si Seeks to Boost Authorized Sharesmedium
May 15, 202510-QQuantum-Si Inc. Files Q1 2025 10-Q Reportmedium
Apr 10, 20258-KQuantum-Si Files 8-K on Financials and Exhibitslow
Mar 20, 2025DEF 14AQuantum-Si Inc. Files DEF 14A for Executive Compensationmedium
Mar 3, 202510-K10-K Filing
Jan 6, 20258-KQuantum-Si Inc. Files 8-K for Material Agreementmedium
Dec 11, 20248-KQuantum-Si Inc. Terminates Material Definitive Agreementmedium
Dec 9, 20248-KQuantum-Si Sells Carbon-14 Businessmedium
Nov 22, 20248-KQuantum-Si Inc. Discloses Exit/Disposal Costsmedium
Nov 21, 20248-KQuantum-Si Sells Carbon Offset Businessmedium
Nov 12, 202410-QQuantum-Si Files Q3 2024 10-Qmedium
Nov 8, 20248-KQuantum-Si Faces Nasdaq Delisting Warninghigh

Risk Profile

Risk Assessment: Of QSIAW's 33 recent filings, 3 were flagged as high-risk, 22 as medium-risk, and 8 as low-risk. The overall risk profile suggests moderate risk with a balanced mix of positive and cautionary disclosures.

Financial Highlights

Quantum-Si Inc Financial Summary (10-Q, Nov 5, 2025)
MetricValue
Revenue$552K
Net Income-$35.7M
EPSN/A
Debt-to-Equity0.11
Cash Position$230.5M
Operating MarginN/A
Total Assets$260.1M
Total Debt$24.97M

Key Executives

  • Jeffery Hawkins
  • Jonathan Rothberg
  • Jonathan M. Rothberg, Ph.D.
  • Dr. Jonathan Rothberg
  • Mr. David Bernstein
  • Dr. Christian Ellinger
  • Jeff Hawkins
  • Dr. Christian M. M. Stark

Industry Context

Quantum-Si operates in the highly competitive biotechnology and life sciences tools sector. The industry is characterized by rapid innovation, significant research and development investment, and a long product development cycle. Companies often rely on strategic partnerships and capital raises to fund operations and commercialization efforts.

Top Tags

divestiture (5) · strategic-shift (5) · 10-Q (4) · financials (4) · corporate-action (4) · SEC Filing (3) · institutional-ownership (3) · exhibits (2) · Proteomics (2) · Biotechnology (2)

Key Numbers

Quantum-Si Inc Key Metrics
MetricValueContext
SEC File Number001-39486Identifies the company's filing with the SEC
IRS Employer Identification No.85-1388175Tax identification number for the company
Net Loss$83.7MNine months ended Sep 30, 2025, up from $67.9M in 2024
Total Revenue$552KThree months ended Sep 30, 2025, down from $787K in 2024
Lease Termination Expense$13.577MThree months ended Sep 30, 2025, a new significant operating cost
Legal Settlement Expense$1.8MThree months ended Sep 30, 2025, contributing to increased operating expenses
Cash & Marketable Securities$230.5MAs of Sep 30, 2025, down from $247.871M at Dec 31, 2024
Equity Offering Proceeds$93.507MNine months ended Sep 30, 2025, providing capital for operations
Accumulated Deficit$680.4MAs of Sep 30, 2025, indicating significant historical losses
Class A Common Stock Outstanding195,552,165As of October 31, 2025, reflecting recent equity issuance
Total Revenue (Q2 2025)$1.2MIncreased from $0.8M in Q2 2024, representing 50% growth.
Product Revenue (Q2 2025)$0.9MIncreased from $0.6M in Q2 2024, showing strong product adoption.
Service Revenue (Q2 2025)$0.3MIncreased from $0.2M in Q2 2024, indicating growing service demand.
Total Revenue (YTD 2025)$2.1MIncreased from $1.5M in YTD 2024, demonstrating consistent growth.
Q2 Revenue Growth50%Percentage increase in total revenue from Q2 2024 to Q2 2025.

Related Companies

QSI · QS · QUST · TECH

Frequently Asked Questions

What are the latest SEC filings for Quantum-Si Inc (QSIAW)?

Quantum-Si Inc has 41 recent SEC filings from Jan 2024 to Dec 2025, including 25 8-K, 6 10-Q, 3 SC 13G/A. Each filing includes an AI-generated plain-English summary.

What is the overall sentiment of QSIAW filings?

Across 41 filings, the sentiment breakdown is: 2 bullish, 2 bearish, 36 neutral, 1 mixed. The dominant sentiment is neutral.

Where can I find Quantum-Si Inc SEC filings explained simply?

ReadTheFiling provides AI-powered plain-English summaries of all Quantum-Si Inc (QSIAW) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.

What are the key financial highlights for Quantum-Si Inc?

Key financial highlights from Quantum-Si Inc's most recent 10-Q include metrics such as revenue, net income, EPS, and debt ratios. Visit the filing detail page for the full breakdown.

What is the investment thesis for QSIAW?

The investment thesis for QSIAW includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings.

Who are the key executives at Quantum-Si Inc?

Key executives identified across Quantum-Si Inc's filings include Jeffery Hawkins, Jonathan Rothberg, Jonathan M. Rothberg, Ph.D., Dr. Jonathan Rothberg, Mr. David Bernstein and 3 others.

What are the main risk factors for Quantum-Si Inc stock?

Of QSIAW's 33 assessed filings, 3 were flagged high-risk, 22 medium-risk, and 8 low-risk.

What are recent predictions and forward guidance from Quantum-Si Inc?

Forward guidance and predictions for Quantum-Si Inc are extracted from SEC filings as they are enriched.

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