Quantum-Si Inc — Director's Dealing 2026

Feb 26, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Quantum-Si Inc (QSI)
CIK: 0001816431
Period of Report: 2026-02-24

Reporting Person: Jafri Amir (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-24	Stock Option (right to buy)	$0.9302	A	114055	Acquired	2036-02-24	Class A Common Stock (114055)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	115942	Direct

Footnotes

F1: The shares underlying this option shall vest in equal monthly installments beginning on March 31, 2026 and on the last day of each month thereafter, subject to continued service through the applicable vesting dates.