QSI

SEC source: 0001104659-21-080929 · tm2119549-20_4seq1.xml · nonDerivative · entry 1

Fattori Ruth A · CIK 0001306826 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,000

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in 12 equal quarterly installments beginning on June 30, 2021, which vesting will be delayed to the extent the Issuer (as defined below) has not filed a Form S-8 registering such shares by the applicable vesting date, subject to Ms. Fattori's continued service through the applicable vesting date.

F2 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of February 18, 2021, by and among HighCape Capital Acquisition Corp. ("HighCape"), Tenet Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of HighCape ("Merger Sub"), and Quantum-Si Incorporated, a Delaware corporation ("Quantum-Si"), pursuant to which Merger Sub merged with and into Quantum-Si (the "Merger"), with Quantum-Si surviving as a wholly-owned subsidiary of HighCape (which changed its name to "Quantum-Si Incorporated", the "Issuer"), these shares were received in exchange for 188,089 RSUs of Quantum-Si.

SEC source: 0001104659-21-080928 · tm2119549-19_4seq1.xml · nonDerivative · entry 2

DEKKERS MARIJN E · CIK 0001216068 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,000

F3 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in 12 equal quarterly installments beginning on June 30, 2021, which vesting will be delayed to the extent the Issuer has not filed a Form S-8 registering such shares by the applicable vesting date, subject to Dr. Dekkers's continued service through the applicable vesting date.

F4 · price: Received in connection with the Merger in exchange for 188,089 RSUs of Qunatum-Si.

SEC source: 0001104659-21-080928 · tm2119549-19_4seq1.xml · nonDerivative · entry 1

DEKKERS MARIJN E · CIK 0001216068 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Novalis Lifesciences Investments I, LP

Disclosed balance after: 500,000

F1 · shares: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of February 18, 2021, by and among HighCape Capital Acquisition Corp. ("HighCape"), Tenet Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of HighCape ("Merger Sub"), and Quantum-Si Incorporated, a Delaware corporation ("Quantum-Si"), pursuant to which Merger Sub merged with and into Quantum-Si (the "Merger"), with Quantum-Si surviving as a wholly-owned subsidiary of HighCape (which changed its name to "Quantum-Si Incorporated", the "Issuer"), Novalis Lifesciences Investments I, LP ("Novalis") purchased 500,000 shares of Class A common stock from the Issuer, at a price of $10.00 per share, in a private placement immediately prior to the closing of the Merger.

F2 · ownership.nature: Dr. Dekkers has sole voting and investment control over the shares held by Novalis.

SEC source: 0001104659-21-080927 · tm2119549-18_4seq1.xml · nonDerivative · entry 2

LaPointe Christian · CIK 0001856912 · General Counsel & Corp. Secr.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 220,346

F3 · shares: Dr. LaPointe purchased 50,000 shares of Class A common stock from the Issuer, at a price of $10.00 per share, in a private placement immediately prior to the closing of the Merger.

SEC source: 0001104659-21-080927 · tm2119549-18_4seq1.xml · nonDerivative · entry 1

LaPointe Christian · CIK 0001856912 · General Counsel & Corp. Secr.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,346

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest as to 25% on January 7, 2022, with the remainder vesting in 12 equal quarterly installments thereafter, subject to Dr. LaPointe's continued service through the applicable vesting date.

F2 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of February 18, 2021, by and among HighCape Capital Acquisition Corp. ("HighCape"), Tenet Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of HighCape ("Merger Sub"), and Quantum-Si Incorporated, a Delaware corporation ("Quantum-Si"), pursuant to which Merger Sub merged with and into Quantum-Si (the "Merger"), with Quantum-Si surviving as a wholly-owned subsidiary of HighCape (which changed its name to "Quantum-Si Incorporated", the "Issuer"), these shares were received in exchange for 213,600 RSUs of Quantum-Si.

SEC source: 0001104659-21-080923 · tm2119549-16_4seq1.xml · nonDerivative · entry 2

MCKENNA MICHAEL P · CIK 0001207108 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 877,250

F2 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest as to 25% on March 12, 2022, with the remainder vesting in 12 equal quarterly installments thereafter, subject to Dr. McKenna's continued service through the applicable vesting date.

F3 · price: Received in connection with the Merger in exchange for 100,000 RSUs of Quantum-Si.

SEC source: 0001104659-21-080923 · tm2119549-16_4seq1.xml · nonDerivative · entry 1

MCKENNA MICHAEL P · CIK 0001207108 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 797,500

F1 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of February 18, 2021, by and among HighCape Capital Acquisition Corp. ("HighCape"), Tenet Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of HighCape ("Merger Sub"), and Quantum-Si Incorporated, a Delaware corporation ("Quantum-Si"), pursuant to which Merger Sub merged with and into Quantum-Si (the "Merger"), with Quantum-Si surviving as a wholly-owned subsidiary of HighCape (which changed its name to "Quantum-Si Incorporated", the "Issuer"), these shares were received in exchange for 1,000,000 shares of Quantum-Si common stock.

SEC source: 0001104659-21-080921 · tm2119549-14_4seq1.xml · derivative · entry 2

Drayton Claudia · CIK 0001629827 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 191,399

Underlying: Class A Common Stock · 191,399 shares

Expires 2031-04-21

F4 · price: Received in connection with the Merger in exchange for a stock option to acquire 240,000 shares of Quantum-Si common stock for $7.54 per share.

F3 · derivative.exercise_date: The shares underlying this option vest as to 25% on June 30, 2022, with the remainder vesting in 36 equal monthly installments thereafter, subject to Ms. Drayton's continued service through the applicable vesting date.

SEC source: 0001104659-21-080921 · tm2119549-14_4seq1.xml · nonDerivative · entry 1

Drayton Claudia · CIK 0001629827 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,700

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest as to 25% on June 30, 2022, with the remainder vesting in 12 equal quarterly installments thereafter, subject to Ms. Drayton's continued service through the applicable vesting date.

F2 · price: In connection with the closing of the transactions contemplated by the Business Combination Agreement, dated as of February 18, 2021, by and among HighCape Capital Acquisition Corp. ("HighCape"), Tenet Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of HighCape ("Merger Sub"), and Quantum-Si Incorporated, a Delaware corporation ("Quantum-Si"), pursuant to which Merger Sub merged with and into Quantum-Si (the "Merger"), with Quantum-Si surviving as a wholly-owned subsidiary of HighCape (which changed its name to "Quantum-Si Incorporated", the "Issuer"), these shares were received in exchange for 120,000 RSUs of Quantum-Si.

SEC source: 0001104659-21-081583 · tm2119549-25_4seq1.xml · nonDerivative · entry 1

RAKIN KEVIN · CIK 0001184421 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,901,000

F1 · shares: Consists of (i) 100,000 shares of the Company's Class A common stock held by Mr. Rakin and the Kevin L. Rakin Irrevocable Trust, (ii) 601,000 shares of the Company's Class A common stock held by HighCape Partners QSI II Invest, L.P, (iii) 24,527 shares of the Company's Class A common stock held by HighCape Partners II, L.P. and

F2 · shares: (iv) 1,175,473 shares of the Company's Class A common stock held by HighCape Partners QP II, L.P. Mr. Rakin and Matt Zuga are the managing members 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 QSI II Invest, L.P, 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 common stock held by such entities. Mr. Rakin disclaims any beneficial ownership of the securities to be held by HighCape Partners QSI II Invest, L.P, HighCape Partners II, L.P. and HighCape Partners QP II, L.P. other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F3 · shares: In connection with the closing of the transactions (the "Business Combination") contemplated by the Business Combination Agreement, dated as of February 18, 2021, by and among HighCape Capital Acquisition Corp. ("HighCape"), Tenet Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of HighCape ("Merger Sub"), and Quantum-Si Incorporated, a Delaware corporation ("Quantum-Si"), pursuant to which Merger Sub merged with and into Quantum-Si (the "Merger"), with Quantum-Si surviving as a wholly-owned subsidiary of HighCape (which changed its name to "Quantum-Si Incorporated", the "Issuer"), these shares were purchased, at a price of $10.00 per share, in a private placement immediately prior to the closing of the Merger.

F1 · ownership.nature: Consists of (i) 100,000 shares of the Company's Class A common stock held by Mr. Rakin and the Kevin L. Rakin Irrevocable Trust, (ii) 601,000 shares of the Company's Class A common stock held by HighCape Partners QSI II Invest, L.P, (iii) 24,527 shares of the Company's Class A common stock held by HighCape Partners II, L.P. and