| Symbol | QSI |
|---|---|
| Name | QUANTUM-SI INC |
| Sector | UNDEFINED |
| Region | UNDEFINED |
| Industry | Measuring & Controlling Devices, NEC |
| Address | 29 BUSINESS PARK DRIVE, BRANFORD, CT 06405 |
| Telephone | (203) 458-7100 |
| Fax | — |
| — | |
| Website | — |
| Incorporation | UNDEFINED |
| Incorporated On | — |
| Employees | — |
| Fiscal Year | — |
| Public Since | — |
| Exchanges | NASDAQ |
| Auditor | — |
| Audit Status | NOT PROVIDED |
| Reporting Status | — |
| CIK | 0001816431 |
| Description | None |
LaPointe Christian 🔴 sold 15.6K shares of Quantum-Si Inc (QSI) at $0.96 Transaction Date: Jun 22, 2026 | Filing ID: 026294
Read moreKeyes Jeffry R. 🔴 sold 8.2K shares of Quantum-Si Inc (QSI) at $0.96 Transaction Date: Jun 22, 2026 | Filing ID: 026290
Read moreVieceli John S. 🔴 sold 30.2K shares of Quantum-Si Inc (QSI) at $0.96 Transaction Date: Jun 22, 2026 | Filing ID: 026287
Read moreHawkins Jeffrey Alan 🔴 sold 22.6K shares of Quantum-Si Inc (QSI) at $0.96 Transaction Date: Jun 22, 2026 | Filing ID: 026285
Read more📋 LaPointe Christian (Officer) plans to sell 16K shares of Quantum-Si Inc (at $0.93 each, total $14K) Filed: Jun 24, 2026 | ID: 000002
Read more📋 Keyes Jeffry R. (Officer) plans to sell 8K shares of Quantum-Si Inc (at $0.93 each, total $8K) Filed: Jun 24, 2026 | ID: 000003
Read more📋 Vieceli John S. (Officer) plans to sell 30K shares of Quantum-Si Inc (at $0.93 each, total $28K) Filed: Jun 24, 2026 | ID: 000002
Read more📋 Hawkins Jeffrey Alan (Officer) plans to sell 23K shares of Quantum-Si Inc (at $0.93 each, total $21K) Filed: Jun 24, 2026 | ID: 000003
Read moreQuantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)
Read moreQuantum-Si and Cell Signaling Technology Partner to Advance Post-Translational Modification Analysis on Proteus™
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