Quantum-si INC Schedule 13D activist filings

Filed when an investor crosses five percent and intends to influence the company — the activist disclosure.

NASDAQ
Quantum-Si Incorporated announces a Rule 10b5-1 trading plan for the sale of up to 8,947,746 shares of Class A common stock by affiliated entities.
NASDAQ
Jonathan Rothberg, founder of Quantum-Si, has established a Rule 10b5-1 trading plan to sell up to 8.97 million Class A common shares for estate planning purposes, commencing January 2026.