STOCK TITAN

Quantum-Si (QSI) director granted 251K options at $0.8539 strike

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Quantum-Si Inc director Kevin Rakin received a grant of stock options for 251,185 shares of Class A common stock at an exercise price of $0.8539 per share. These options expire on May 18, 2036 and vest on the date of the issuer's next regular annual stockholders meeting, subject to continued service.

Following the reported transactions, Rakin holds 20,512 Class A shares directly and 1,200,000 shares indirectly through investment entities with which he shares voting and investment discretion. The new option award adds to this equity exposure as compensation rather than an open‑market purchase.

Positive

  • None.

Negative

  • None.
Insider RAKIN KEVIN
Role null
Type Security Shares Price Value
Grant/Award Stock Option (right to buy) 251,185 $0.00 --
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
Holdings After Transaction: Stock Option (right to buy) — 251,185 shares (Direct, null); Class A Common Stock — 1,200,000 shares (Indirect, See Footnote); Class A Common Stock — 20,512 shares (Direct, null)
Footnotes (1)
  1. HighCape Partners QSI II Invest, L.P. distributed in kind these shares of the Company's Class A common stock to its limited partners on a pro rata basis, for no consideration. Consists of (i) 24,527 shares of the Company's Class A common stock held by HighCape Partners II, L.P. and (ii) 1,175,473 shares of the Company's Class A common stock held by HighCape Partners QP II, L.P. Mr. Rakin is the managing member of HighCape Capital II GP, LLC, which is the general partner of HighCape Partners II GP, L.P., which is the general partner of each of HighCape Partners II, L.P. and HighCape Partners QP II, L.P., and as a result each may be deemed to share voting and investment discretion with respect to the Class A common stock held by such entities. The shares underlying this option vest on the date of the Issuer's next regular annual stockholders meeting, subject to continued service through the applicable vesting date.
Option grant size 251,185 shares Stock Option (right to buy) granted to director
Option exercise price $0.8539 per share Strike price for the 251,185-share option grant
Option expiration May 18, 2036 Expiry date of granted stock options
Direct common shares 20,512 shares Class A common stock held directly after transactions
Indirect common shares 1,200,000 shares Class A common stock held indirectly via HighCape entities
HighCape Partners II holding 24,527 shares Part of indirectly held Class A common stock
HighCape Partners QP II holding 1,175,473 shares Part of indirectly held Class A common stock
Stock Option (right to buy) financial
"security_title: "Stock Option (right to buy)""
indirect ownership financial
"ownership_type: "indirect" with nature_of_ownership: "See Footnote""
distributed in kind financial
"distributed in kind these shares of the Company's Class A common stock"
pro rata basis financial
"to its limited partners on a pro rata basis, for no consideration"
A "pro rata basis" means dividing or distributing something proportionally according to each person's share or interest. For example, if a group shares costs or profits, each person receives or pays a portion that reflects their contribution or ownership percentage. This method ensures fairness by allocating resources in line with individual stakes, which is important for investors to understand how gains, losses, or costs are fairly shared.
vest financial
"The shares underlying this option vest on the date of the Issuer's next regular annual stockholders meeting"
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
SEC Form 4
FORM 4UNITED 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*
RAKIN KEVIN

(Last)(First)(Middle)
C/O QUANTUM-SI INCORPORATED
29 BUSINESS PARK DRIVE

(Street)
BRANFORD CONNECTICUT 06405

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Quantum-Si Inc [ QSI ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/18/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Class A Common Stock1,200,000(1)(2)ISee Footnote(1)(2)
Class A Common Stock20,512D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (right to buy)$0.853905/18/2026A251,185 (3)05/18/2036Class A Common Stock251,185$0251,185D
Explanation of Responses:
1. HighCape Partners QSI II Invest, L.P. distributed in kind these shares of the Company's Class A common stock to its limited partners on a pro rata basis, for no consideration.
2. Consists of (i) 24,527 shares of the Company's Class A common stock held by HighCape Partners II, L.P. and (ii) 1,175,473 shares of the Company's Class A common stock held by HighCape Partners QP II, L.P. Mr. Rakin is the managing member of HighCape Capital II GP, LLC, which is the general partner of HighCape Partners II GP, L.P., which is the general partner of each of HighCape Partners II, L.P. and HighCape Partners QP II, L.P., and as a result each may be deemed to share voting and investment discretion with respect to the Class A common stock held by such entities.
3. The shares underlying this option vest on the date of the Issuer's next regular annual stockholders meeting, subject to continued service through the applicable vesting date.
/s/ Christian LaPointe, Ph.D., Attorney-in-Fact.05/20/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Quantum-Si (QSI) report for Kevin Rakin?

Quantum-Si reported that director Kevin Rakin received a grant of stock options for 251,185 shares of Class A common stock. The award is compensation-related, not an open-market purchase or sale, and was reported on a Form 4 insider filing.

What is the strike price and expiry of Kevin Rakin’s new Quantum-Si (QSI) options?

The granted stock options have an exercise price of $0.8539 per share and expire on May 18, 2036. They give Rakin the right to buy Quantum-Si Class A shares at that price until the expiration date.

When do Kevin Rakin’s newly granted Quantum-Si (QSI) options vest?

The options vest on the date of Quantum-Si’s next regular annual stockholders meeting, subject to Rakin’s continued service through that vesting date. Vesting must occur before he can exercise the options to purchase shares.

How many Quantum-Si (QSI) shares does Kevin Rakin hold after this Form 4?

After the reported transactions, Rakin holds 20,512 Class A shares directly and 1,200,000 shares indirectly through investment entities. He also holds options covering 251,185 underlying Class A shares from the new grant.

How are Kevin Rakin’s indirect Quantum-Si (QSI) holdings structured?

The 1,200,000 indirectly held shares consist of 24,527 Class A shares held by HighCape Partners II, L.P. and 1,175,473 shares held by HighCape Partners QP II, L.P., where entities affiliated with Rakin share voting and investment discretion.