Quantum-Si CFO granted shares and options

Quantum-Si Inc reported that Chief Financial Officer Jeffry R. Keyes received new equity awards.

Rhea-AI Filing Summary

Quantum-Si Inc reported that Chief Financial Officer Jeffry R. Keyes received new equity awards. He was granted stock options for 780,847 shares of Class A common stock at an exercise price of $0.976 per share, expiring on March 12, 2036.

Keyes was also granted 652,803 restricted stock units, increasing his direct common stock holdings to 1,816,000 shares after the grant. The RSUs vest in four equal annual installments beginning on April 20, 2027, while the option vests in equal quarterly installments starting on June 20, 2026, in each case subject to his continued service.

Insider Trade Summary

Grant/Award: 1,433,650 shares

Grant/Award 2 txns

Insider Keyes Jeffry R.

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	780,847	$0.00	$0.00
Grant/Award	Class A Common Stock	652,803	$0.00	$0.00

Holdings After Transaction: Stock Option (Right to Buy) — 780,847 contracts (Direct); Class A Common Stock — 1,816,000 shares (Direct)

Footnotes (2)

1. F1. 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. F2. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Quantum-Si (QSI) report for CFO Jeffry Keyes?

Quantum-Si reported that CFO Jeffry R. Keyes received two equity awards: 780,847 stock options and 652,803 restricted stock units. Both awards are compensation grants, not open-market purchases or sales, and are subject to future vesting schedules tied to continued service.

How many Quantum-Si (QSI) stock options were granted to the CFO and at what price?

The CFO was granted stock options covering 780,847 shares of Quantum-Si Class A common stock at an exercise price of $0.976 per share. These options expire on March 12, 2036 and will vest in equal quarterly installments beginning on June 20, 2026.

What restricted stock unit (RSU) award did Quantum-Si (QSI) grant its CFO?

Quantum-Si granted CFO Jeffry R. Keyes 652,803 restricted stock units, each representing one share of Class A common stock upon vesting. The RSUs vest in four equal annual installments starting on April 20, 2027, conditioned on his continued service through each vesting date.

What are Jeffry Keyes’ Quantum-Si (QSI) share holdings after these grants?

Following the RSU grant, Jeffry R. Keyes holds 1,816,000 shares of Quantum-Si Class A common stock directly. This figure reflects his non-derivative holdings after the reported award and does not include shares underlying the newly granted stock options or unvested RSUs.

When do the new Quantum-Si (QSI) equity awards to the CFO vest?

The RSUs vest in four equal annual installments beginning April 20, 2027, while the stock options vest in equal quarterly installments starting June 20, 2026. All vesting is subject to Jeffry R. Keyes continuing to provide service through the relevant vesting dates.

Were the Quantum-Si (QSI) CFO equity awards open-market purchases or compensation grants?

The transactions are compensation grants classified as acquisitions under code A, not open-market trades. They consist of a stock option award and an RSU award, both granted at $0.000 transaction price per share and subject to multi-year vesting conditions tied to continued service.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/16/2026 - 04:19 PM EDT Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Keyes Jeffry R.

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

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		652,803(1)	A	$0	1,816,000	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		780,847		(2)	03/12/2036	Class A Common Stock	780,847	$0	780,847	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.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.