Quantum-Si Inc. Files Form 4 on Ownership Changes
Ticker: QSI · Form: 4 · Filed: Apr 22, 2026 · CIK: 0001816431
| Field | Detail |
|---|---|
| Company | Quantum-Si Inc (QSI) |
| Form Type | 4 |
| Filed Date | Apr 22, 2026 |
| Risk Level | low |
| Sentiment | neutral |
Sentiment: neutral
Topics: insider-filing, ownership-change
TL;DR
Quantum-Si Inc. filed a Form 4 on 4/22/26 detailing insider stock ownership changes as of 4/20/26.
AI Summary
On April 22, 2026, Quantum-Si Inc. filed a Form 4, reporting changes in beneficial ownership of securities. The filing details transactions related to the company's stock, with the period of report being April 20, 2026. The filing was accepted on April 22, 2026.
Why It Matters
Form 4 filings are crucial for investors as they disclose changes in stock ownership by company insiders, providing insights into their confidence in the company's prospects.
Risk Assessment
Risk Level: low — This filing is a routine disclosure of ownership changes and does not inherently indicate increased risk.
Key Players & Entities
- Quantum-Si Inc (company) — Issuer
- 0001816431 (company) — Issuer CIK
- 2026-04-22 (date) — Filing Date
- 2026-04-20 (date) — Period of Report
- Keyes Jeffry R. (person) — Reporting Person
- 0001557736 (person) — Reporting Person CIK
FAQ
What type of SEC filing is this?
This is a Form 4 filing, a Statement of changes in beneficial ownership of securities.
When was this filing accepted by the SEC?
The filing was accepted on 2026-04-22.
What is the period of report for this filing?
The period of report is 2026-04-20.
Who is the issuer in this filing?
The issuer is Quantum-Si Inc, with CIK 0001816431.
Who is listed as the reporting person?
Jeffry R. Keyes is listed as the reporting person, with CIK 0001557736.
Filing Details
This Statement of Changes in Beneficial Ownership (Form 4) was filed with the SEC on April 22, 2026 by Keyes Jeffry R. regarding Quantum-Si Inc (QSI). Form 4 filings disclose purchases, sales, or other changes in ownership by company insiders such as officers, directors, and major shareholders.