Quantum-Si (QSI) CEO receives large stock option and RSU grants

Rhea-AI Filing Summary

Quantum-Si Inc President & CEO Jeffrey Alan Hawkins reported equity compensation awards rather than open-market trades. He received a stock option covering 1,561,695 shares of Class A common stock at an exercise price of $0.976 per share, expiring on March 12, 2036. The option vests in equal quarterly installments beginning on June 20, 2026, subject to continued service. He also received 1,305,606 restricted stock units, each representing one share of common stock, which vest in four equal annual installments starting on April 20, 2027, subject to continued service. Following the RSU grant, his direct holdings of Class A common stock increased to 3,883,624 shares.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hawkins Jeffrey Alan

(Last) (First) (Middle)

C/O QUANTUM-SI INCORPORATED

29 BUSINESS PARK DRIVE

(Street)

BRANFORD CT 06405

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Quantum-Si Inc [ QSI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
03/12/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	03/12/2026		A		1,305,606(1)	A	$0	3,883,624	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$0.976	03/12/2026		A		1,561,695		(2)	03/12/2036	Class A Common Stock	1,561,695	$0	1,561,695	D

Explanation of Responses:

1. The grant consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs shall vest in four equal annual installments beginning on April 20, 2027 until fully vested, subject to continued service through the applicable vesting date.

2. The shares underlying this option shall vest in equal quarterly installments beginning on June 20, 2026 until fully vested, subject to continued service through the applicable vesting dates.

	/s/ Christian LaPointe, Ph.D., Attorney-in-Fact.	03/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What equity awards did Quantum-Si (QSI) CEO Jeffrey Hawkins receive?

Jeffrey Hawkins received a stock option for 1,561,695 Class A shares and 1,305,606 restricted stock units. Both awards are compensation grants that vest over time, subject to his continued service with Quantum-Si Inc.

How do Jeffrey Hawkins' new stock options at Quantum-Si (QSI) vest?

The stock options for 1,561,695 shares vest in equal quarterly installments starting on June 20, 2026. Vesting continues until fully vested, and each installment requires Hawkins to remain in service through the relevant vesting date.

When do Jeffrey Hawkins' Quantum-Si (QSI) RSUs begin vesting?

The 1,305,606 restricted stock units begin vesting on April 20, 2027, in four equal annual installments. Each installment requires continued service through its vesting date, after which Hawkins receives one share of common stock per vested RSU.

What is the exercise price and expiration of the Quantum-Si (QSI) CEO’s options?

The granted stock options have an exercise price of $0.976 per share and expire on March 12, 2036. Hawkins must wait for the quarterly vesting schedule starting June 20, 2026 before exercising any portion of these options.

How many Quantum-Si (QSI) shares does Jeffrey Hawkins hold after these grants?

After the reported RSU grant, Jeffrey Hawkins directly holds 3,883,624 shares of Quantum-Si Class A common stock. This figure reflects his direct ownership position following the acquisition of 1,305,606 additional shares through the restricted stock unit award.