QSI

SEC source: 0001140361-22-019087 · form4.xml · derivative · entry 1

Mina Michael · CIK 0001856954 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,880

Underlying: Class A Common Stock · 59,880 shares

Expires 2032-05-11

F1 · derivative.exercise_date: The shares underlying this option vest on the date of the Issuer's next regular annual stockholders meeting, subject to Dr. Mina's continued service through the applicable vesting date.

SEC source: 0001140361-22-019092 · form4.xml · derivative · entry 1

Fattori Ruth A · CIK 0001306826 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,880

Underlying: Class A Common Stock · 59,880 shares

Expires 2032-05-11

F1 · derivative.exercise_date: The shares underlying this option vest on the date of the Issuer's next regular annual stockholders meeting, subject to Ms. Fattori's continued service through the applicable vesting date.

SEC source: 0001140361-22-019090 · form4.xml · derivative · entry 1

RAKIN KEVIN · CIK 0001184421 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,880

Underlying: Class A Common Stock · 59,880 shares

Expires 2032-05-11

F1 · derivative.exercise_date: The shares underlying this option vest on the date of the Issuer's next regular annual stockholders meeting, subject to Mr. Rakin's continued service through the applicable vesting date

SEC source: 0001140361-22-019084 · form4.xml · derivative · entry 1

Makes Brigid · CIK 0001375927 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,880

Underlying: Class A Common Stock · 59,880 shares

Expires 2032-05-11

F1 · derivative.exercise_date: The shares underlying this option vest on the date of the Issuer's next regular annual stockholders meeting, subject to Ms. Makes' continued service through the applicable vesting date.

SEC source: 0001140361-22-019083 · form4.xml · derivative · entry 1

DEKKERS MARIJN E · CIK 0001216068 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,880

Underlying: Class A Common Stock · 59,880 shares

Expires 2032-05-11

F1 · derivative.exercise_date: The shares underlying this option vest on the date of the Issuer's next regular annual stockholders meeting, subject to Dr. Dekkers' continued service through the applicable vesting date.

SEC source: 0001140361-22-018656 · form4.xml · derivative · entry 3

SCHNEIDER PATRICK · CIK 0001927702 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 500,000

Underlying: Class A Common Stock · 500,000 shares

Expires 2032-05-09

F3 · derivative.exercise_date: The shares underlying this option vest in full if within four years of May 9, 2022 the closing price of the Issuer's Class A common stock is at least $20.00 (as adjusted) for 20 out of 30 consecutive trading days, subject to Dr. Schneider's continued service through the vesting date.

SEC source: 0001140361-22-018656 · form4.xml · derivative · entry 2

SCHNEIDER PATRICK · CIK 0001927702 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 500,000

Underlying: Class A Common Stock · 500,000 shares

Expires 2032-05-09

F2 · derivative.exercise_date: The shares underlying this option vest in full if within two years of May 9, 2022 the closing price of the Issuer's Class A common stock is at least $10.00 (as adjusted) for 20 out of 30 consecutive trading days, subject to Dr. Schneider's continued service through the vesting date.

SEC source: 0001140361-22-018656 · form4.xml · derivative · entry 1

SCHNEIDER PATRICK · CIK 0001927702 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,000,000

Underlying: Class A Common Stock · 1,000,000 shares

Expires 2032-05-09

F1 · derivative.exercise_date: The shares underlying this option vest as to 25% on June 30, 2023, with the remainder vesting in 36 equal monthly installments at the end of each month thereafter, subject to Dr. Schneider's continued service through the applicable vesting date.

SEC source: 0001140361-22-009828 · form4.xml · derivative · entry 2

Dyer Matthew · CIK 0001856966 · Chief Business Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 400,000

Underlying: Class A Common Stock · 400,000 shares

Expires 2032-03-15

F4 · derivative.exercise_date: The shares underlying this option vest in equal monthly installments of 2.083% for 48 months beginning on March 31, 2022, subject to Dr. Dyer's continued service through the applicable vesting date.

SEC source: 0001140361-22-009829 · form4.xml · derivative · entry 1

Drayton Claudia · CIK 0001629827 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 400,000

Underlying: Class A Common Stock · 400,000 shares

Expires 2032-03-15

F1 · derivative.exercise_date: The shares underlying this option vest in equal monthly installments of 2.083% for 48 months beginning on March 31, 2022, subject to Ms. Drayton's continued service through the applicable vesting date.

SEC source: 0001140361-22-009827 · form4.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Class A Common Stock · 300,000 shares

Expires 2032-03-15

F1 · derivative.exercise_date: The shares underlying this option vest in equal monthly installments of 2.083% for 48 months beginning on March 31, 2022, subject to Dr. LaPointe's continued service through the applicable vesting date.

SEC source: 0001140361-22-009826 · form4.xml · derivative · entry 2

MCKENNA MICHAEL P · CIK 0001207108 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 500,000

Underlying: Class A Common Stock · 500,000 shares

Expires 2032-03-15

F4 · derivative.exercise_date: The shares underlying this option vest in equal monthly installments of 2.083% for 48 months beginning on March 31, 2022, subject to Dr. McKenna's continued service through the applicable vesting date.

SEC source: 0001140361-22-009828 · form4.xml · nonDerivative · entry 1

Dyer Matthew · CIK 0001856966 · Chief Business Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 335,015

F1 · kind: The sales reported in this Form 4 were effected to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") that were granted on March 12, 2021 pursuant to a "sell to cover" provision included in the RSU Agreement.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.95 to $4.12 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.direct: Includes 59,811 RSUs. Each RSU represents the right to receive one share of common stock upon vesting. 19,939 RSUs vested on March 12, 2022, with 59,811 RSUs vesting in 12 equal quarterly installments thereafter, subject to Dr. Dyer's continued service through the applicable vesting date.

SEC source: 0001140361-22-009826 · form4.xml · nonDerivative · entry 1

MCKENNA MICHAEL P · CIK 0001207108 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 870,669

F1 · kind: The sales reported in this Form 4 were effected to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") that were granted on March 12, 2021 pursuant to a "sell to cover" provision included in the RSU Agreement.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.95 to $4.12 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.direct: Includes 59,811 RSUs. Each RSU represents the right to receive one share of common stock upon vesting. 19,939 RSUs vested on March 12, 2022, with 59,811 RSUs vesting in 12 equal quarterly installments thereafter, subject to Dr. McKenna's continued service through the applicable vesting date.

SEC source: 0001140361-22-001502 · form4.xml · nonDerivative · entry 2

Stark John VIII · CIK 0001864883 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,977,368

F1 · kind: The sales reported in this Form 4 were effected to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") that were granted on February 17, 2021 pursuant to a "sell to cover" provision included in the RSU Agreement.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $6.25 to $6.34 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.direct: Includes 1,731,372 RSUs. Each RSU represents the right to receive one share of common stock upon vesting. 425,865 RSUs vested on January 7, 2022, with 1,277,595 RSUs vesting in 12 equal quarterly installments thereafter beginning with the quarter ending March 31, 2022, subject to Mr. Stark's continued service through the applicable vesting date. 453,777 RSUs vest (i) on the closing of a financing in excess of $50 million within three years of Mr. Stark's start date at a share price greater than $16.08 (as adjusted), or (ii) if the Issuer is a publicly listed company and within three years of Mr. Stark's start date the closing price of the Issuer's shares is $16.08 (as adjusted) or more for any 20 trading days within any 30 consecutive trading day period, subject to Mr. Stark's continued service through the applicable vesting date.

SEC source: 0001140361-22-001501 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 207,693

F1 · kind: The sales reported in this Form 4 were effected to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") that were granted on February 17, 2021 pursuant to a "sell to cover" provision included in the RSU Agreement.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $6.25 to $6.34 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.direct: Includes 127,760 RSUs. Each RSU represents the right to receive one share of common stock upon vesting. 42,586 RSUs vested on January 7, 2022, with 127,760 RSUs vesting in 12 equal quarterly installments thereafter, subject to Dr. LaPointe's continued service through the applicable vesting date.

SEC source: 0001140361-22-001502 · form4.xml · nonDerivative · entry 1

Stark John VIII · CIK 0001864883 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,985,070

F1 · kind: The sales reported in this Form 4 were effected to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") that were granted on February 17, 2021 pursuant to a "sell to cover" provision included in the RSU Agreement.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $5.71 to $6.41 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.direct: Includes 1,731,372 RSUs. Each RSU represents the right to receive one share of common stock upon vesting. 425,865 RSUs vested on January 7, 2022, with 1,277,595 RSUs vesting in 12 equal quarterly installments thereafter beginning with the quarter ending March 31, 2022, subject to Mr. Stark's continued service through the applicable vesting date. 453,777 RSUs vest (i) on the closing of a financing in excess of $50 million within three years of Mr. Stark's start date at a share price greater than $16.08 (as adjusted), or (ii) if the Issuer is a publicly listed company and within three years of Mr. Stark's start date the closing price of the Issuer's shares is $16.08 (as adjusted) or more for any 20 trading days within any 30 consecutive trading day period, subject to Mr. Stark's continued service through the applicable vesting date.

SEC source: 0001140361-22-001501 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 208,235

F1 · kind: The sales reported in this Form 4 were effected to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") that were granted on February 17, 2021 pursuant to a "sell to cover" provision included in the RSU Agreement.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $5.71 to $6.41 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.direct: Includes 127,760 RSUs. Each RSU represents the right to receive one share of common stock upon vesting. 42,586 RSUs vested on January 7, 2022, with 127,760 RSUs vesting in 12 equal quarterly installments thereafter, subject to Dr. LaPointe's continued service through the applicable vesting date.

SEC source: 0001140361-22-004540 · form5.xml · nonDerivative · entry 1

RAKIN KEVIN · CIK 0001184421 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,890,000

F1 · shares: These shares of Class A common stock were transferred by Mr. Rakin as bona fide gifts for which no payment of consideration was received by Mr. Rakin.

F2 · balance_after: Consists of (i) 89,000 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 (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.

F3 · balance_after: 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.

F2 · ownership.nature: Consists of (i) 89,000 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 (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.

F3 · ownership.nature: 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.

SEC source: 0001140361-21-030273 · form4.xml · derivative · entry 1

MCKENNA MICHAEL P · CIK 0001207108 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Class A Common Stock · 100,000 shares

Expires 2031-08-31

F1 · derivative.exercise_date: The shares underlying this option vest in 48 equal monthly installments beginning on August 31, 2021, subject to Dr. McKenna's continued service through the applicable vesting date.

SEC source: 0001140361-21-030272 · form4.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Class A Common Stock · 50,000 shares

Expires 2031-08-31

F1 · derivative.exercise_date: The shares underlying this option vest as to 25% on August 31, 2022, with the remainder vesting in 36 equal monthly installments thereafter, subject to Dr. LaPointe's continued service through the applicable vesting date.

SEC source: 0001104659-21-080932 · tm2119549-23_4seq1.xml · nonDerivative · entry 6

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,542,882

F8 · shares: Consists of RSUs. Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in equal annual installments over three years beginning on June 11, 2022, subject to Dr. Rothberg's continued service through the applicable vesting date.

SEC source: 0001104659-21-080930 · tm2119549-21_4seq1.xml · nonDerivative · entry 1

Mina Michael · CIK 0001856954 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,512

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 equal annual installments over three years beginning on June 11, 2022, subject to Dr. Mina's continued service through the applicable vesting date.

SEC source: 0001104659-21-080934 · tm2119549-24_4seq1.xml · nonDerivative · entry 1

Makes Brigid · CIK 0001375927 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,512

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 equal annual installments over three years beginning on June 11, 2022, subject to Ms. Makes's continued service through the applicable vesting date

SEC source: 0001104659-21-080931 · tm2119549-22_4seq1.xml · nonDerivative · entry 7

Tananbaum James B. · CIK 0001581754 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,512

F6 · shares: Consists of RSUs. Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in equal annual installments over three years beginning on June 11, 2022, subject to Dr. Tananbaum's continued service through the applicable vesting date.

SEC source: 0001104659-21-080929 · tm2119549-20_4seq1.xml · nonDerivative · entry 2

Fattori Ruth A · CIK 0001306826 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,512

F3 · shares: Consists of RSUs. Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in equal annual installments over three years beginning on June 11, 2022, subject to Ms. Fattori's continued service through the applicable vesting date.

SEC source: 0001104659-21-080928 · tm2119549-19_4seq1.xml · nonDerivative · entry 3

DEKKERS MARIJN E · CIK 0001216068 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,512

F5 · shares: Consists of RSUs. Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in equal annual installments over three years beginning on June 11, 2022, subject to Dr. Dekkers's continued service through the applicable vesting date.

SEC source: 0001104659-21-081583 · tm2119549-25_4seq1.xml · nonDerivative · entry 2

RAKIN KEVIN · CIK 0001184421 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,512

F4 · 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 equal annual installments over three years beginning on June 11, 2022, subject to Mr. Rakin's continued service through the applicable vesting date.

SEC source: 0001104659-21-080932 · tm2119549-23_4seq1.xml · nonDerivative · entry 8

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By 4C Holdings V, LLC

Disclosed balance after: 1,993,750

F10 · price: Received in connection with the Merger in exchange for 2,500,000 shares of Quantum-Si Series A preferred stock.

F2 · ownership.nature: Dr. Rothberg is the sole manager of 4C Holdings I, LLC, 4C Holdings V, LLC and 2012 JMR Trust Common, LLC. Dr. Rothberg is the spouse of Bonnie E. Gould Rothberg MD and Dr. Rothberg's son is the manager of 23rd Century Capital LLC. Dr. Rothberg disclaims beneficial ownership of the shares held by his spouse and 23rd Century Capital LLC.

SEC source: 0001104659-21-080932 · tm2119549-23_4seq1.xml · nonDerivative · entry 7

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By 4C Holdings I, LLC

Disclosed balance after: 17,943,750

F9 · price: Received in connection with the Merger in exchange for 22,500,000 shares of Quantum-Si Series A preferred stock.

F2 · ownership.nature: Dr. Rothberg is the sole manager of 4C Holdings I, LLC, 4C Holdings V, LLC and 2012 JMR Trust Common, LLC. Dr. Rothberg is the spouse of Bonnie E. Gould Rothberg MD and Dr. Rothberg's son is the manager of 23rd Century Capital LLC. Dr. Rothberg disclaims beneficial ownership of the shares held by his spouse and 23rd Century Capital LLC.

SEC source: 0001104659-21-080932 · tm2119549-23_4seq1.xml · nonDerivative · entry 5

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,522,370

F6 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest on March 12, 2023.

F7 · price: Received in connection with the Merger in exchange for 1,880,878 RSUs of Quantum-Si.

SEC source: 0001104659-21-080932 · tm2119549-23_4seq1.xml · nonDerivative · entry 4

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,022,370

F5 · price: Received in connection with the Merger in exchange for 1,276,641 shares of Quantum-Si Series B preferred stock and 5,328 shares of Quantum-Si Series E preferred stock.

SEC source: 0001104659-21-080932 · tm2119549-23_4seq1.xml · nonDerivative · entry 3

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Bonnie E Gould Rothberg MD

Disclosed balance after: 273,422

F4 · price: Received in connection with the Merger in exchange for 342,850 shares of Quantum-Si Series B preferred stock.

F2 · ownership.nature: Dr. Rothberg is the sole manager of 4C Holdings I, LLC, 4C Holdings V, LLC and 2012 JMR Trust Common, LLC. Dr. Rothberg is the spouse of Bonnie E. Gould Rothberg MD and Dr. Rothberg's son is the manager of 23rd Century Capital LLC. Dr. Rothberg disclaims beneficial ownership of the shares held by his spouse and 23rd Century Capital LLC.

SEC source: 0001104659-21-080932 · tm2119549-23_4seq1.xml · nonDerivative · entry 2

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · 23rd Century Capital LLC

Disclosed balance after: 1,917,067

F3 · price: Received in connection with the Merger in exchange for 2,403,846 shares of Quantum-Si Series B preferred stock.

F2 · ownership.nature: Dr. Rothberg is the sole manager of 4C Holdings I, LLC, 4C Holdings V, LLC and 2012 JMR Trust Common, LLC. Dr. Rothberg is the spouse of Bonnie E. Gould Rothberg MD and Dr. Rothberg's son is the manager of 23rd Century Capital LLC. Dr. Rothberg disclaims beneficial ownership of the shares held by his spouse and 23rd Century Capital LLC.

SEC source: 0001104659-21-080932 · tm2119549-23_4seq1.xml · nonDerivative · entry 1

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · 2012 JMR Trust Common, LLC

Disclosed balance after: 12,480,108

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 15,649,039 shares of Quantum-Si Series B preferred stock.

F2 · ownership.nature: Dr. Rothberg is the sole manager of 4C Holdings I, LLC, 4C Holdings V, LLC and 2012 JMR Trust Common, LLC. Dr. Rothberg is the spouse of Bonnie E. Gould Rothberg MD and Dr. Rothberg's son is the manager of 23rd Century Capital LLC. Dr. Rothberg disclaims beneficial ownership of the shares held by his spouse and 23rd Century Capital LLC.

SEC source: 0001104659-21-080922 · tm2119549-15_4seq1.xml · nonDerivative · entry 2

Stark John VIII · CIK 0001864883 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,157,237

F3 · shares: Consists of RSUs. Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest (i) on the closing of a financing in excess of $50 million within three years of Mr. Stark's start date at a share price greater than $16.08 (as adjusted), or (ii) if Quantum-Si is a publicly listed company and within three years of Mr. Stark's start date the closing price of Quantum-Si's shares is $16.08 (as adjusted) or more for any 20 trading days within any 30 consecutive trading day period, subject to Mr. Stark's continued service through the applicable vesting date.

F4 · price: In connection with the Merger, these RSUs were received in exchange for 569,000 RSUs of Quantum-Si.

SEC source: 0001104659-21-080922 · tm2119549-15_4seq1.xml · nonDerivative · entry 1

Stark John VIII · CIK 0001864883 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,703,460

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 beginning with the quarter ending March 31, 2022, subject to Mr. Stark's continued service through the applicable vesting date.

F2 · price: 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 RSUs were received in exchange for 2,136,000 RSUs of Quantum-Si.

SEC source: 0001104659-21-080930 · tm2119549-21_4seq1.xml · derivative · entry 2

Mina Michael · CIK 0001856954 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 358,875

Underlying: Class A Common Stock · 358,875 shares

Expires 2031-04-20

F3 · 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 a stock option to acquire 450,000 shares of Qunatum-Si common stock for $7.54 per share.

F2 · derivative.exercise_date: The shares underlying this option vest in equal monthly installments over 36 months beginning on May 31, 2021, subject to Dr. Mina's continued service through the applicable vesting date.

SEC source: 0001104659-21-080925 · tm2119549-17_4seq1.xml · derivative · entry 6

Dyer Matthew · CIK 0001856966 · Chief Business Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,994

Underlying: Class A Common Stock · 133,994 shares

Expires 2030-05-17

F11 · price: Received in connection with the Merger in exchange for a stock option to acquire 168,018 shares of Quantum-Si common stock for $2.31 per share.

F10 · derivative.exercise_date: The shares underlying this option vest in 48 equal monthly installments beginning on January 31, 2020, subject to Dr. Dyer's continued service through the applicable vesting date.

SEC source: 0001104659-21-080925 · tm2119549-17_4seq1.xml · derivative · entry 5

Dyer Matthew · CIK 0001856966 · Chief Business Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 239,250

Underlying: Class A Common Stock · 239,250 shares

Expires 2029-08-23

F9 · price: Received in connection with the Merger in exchange for a stock option to acquire 300,000 shares of Quantum-Si common stock for $2.41 per share.

F8 · derivative.exercise_date: The shares underlying this option vest in 48 equal monthly installments beginning on May 31, 2019, subject to Dr. Dyer's continued service through the applicable vesting date.

SEC source: 0001104659-21-080925 · tm2119549-17_4seq1.xml · derivative · entry 4

Dyer Matthew · CIK 0001856966 · Chief Business Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,021

Underlying: Class A Common Stock · 155,021 shares

Expires 2029-08-23

F7 · price: Received in connection with the Merger in exchange for a stock option to acquire 194,384 shares of Quantum-Si common stock for $2.41 per share.

F6 · derivative.exercise_date: The shares underlying this option vest in 48 equal monthly installments beginning on January 31, 2019, subject to Dr. Dyer's continued service through the applicable vesting date.

SEC source: 0001104659-21-080925 · tm2119549-17_4seq1.xml · derivative · entry 3

Dyer Matthew · CIK 0001856966 · Chief Business Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,490

Underlying: Class A Common Stock · 7,490 shares

Expires 2028-01-11

F5 · price: Received in connection with the Merger in exchange for a stock option to acquire 9,393 shares of Quantum-Si common stock for $2.04 per share.

F4 · derivative.exercise_date: The shares underlying this option vested as to 25% on December 31, 2018, with the remainder vesting in 36 equal monthly installments thereafter, subject to Dr. Dyer's continued service through the applicable vesting date.

SEC source: 0001104659-21-080925 · tm2119549-17_4seq1.xml · nonDerivative · entry 2

Dyer Matthew · CIK 0001856966 · Chief Business Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 341,493

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. Dyer'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: 0001104659-21-080925 · tm2119549-17_4seq1.xml · nonDerivative · entry 1

Dyer Matthew · CIK 0001856966 · Chief Business Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 261,743

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 328,205 shares of Quantum-Si common stock.

SEC source: 0001104659-21-080931 · tm2119549-22_4seq1.xml · nonDerivative · entry 6

Tananbaum James B. · CIK 0001581754 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Foresite Capital Opportunity Fund V, L.P.

Disclosed balance after: 1,598,125

F5 · shares: Foresite V and Foresite Opportunity each acquired 348,125 shares of Class A common stock from the Issuer, at a price of $0.001 per share, immediately prior to the closing of the Merger.

F2 · ownership.nature: Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Foresite Capital Fund IV, L.P. ("Foresite IV") and may be deemed to have sole voting and dispositive power over shares held by Foresite IV. Foresite Capital Management V, LLC ("FCM V") is the general partner of Foresite Capital Fund V, L.P. ("Foresite V") and Foresite Capital Opportunity Fund V, L.P. ("Foresite Opportunity") and may be deemed to have sole voting and dispositive power over shares held by Foresite V and Foresite Opportunity. Dr. Tananbaum is the sole managing member of FCM IV and FCM V and may be deemed to have sole voting and dispositive power over share held by Foresite IV, Foresite V, and Foresite Opportunity. Each of FCM IV, FCM V, Foresite Opportunity, and Dr. Tananbaum disclaims beneficial ownership of shares held by Foresite IV, Foresite V, and Foresite Opportunity except to the extent of any pecuniary interest therein.

SEC source: 0001104659-21-080931 · tm2119549-22_4seq1.xml · nonDerivative · entry 5

Tananbaum James B. · CIK 0001581754 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Foresite Capital Opportunity Fund V, L.P.

Disclosed balance after: 1,250,000

F4 · shares: Foresite V and Foresite Opportunity each purchased 1,250,000 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: Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Foresite Capital Fund IV, L.P. ("Foresite IV") and may be deemed to have sole voting and dispositive power over shares held by Foresite IV. Foresite Capital Management V, LLC ("FCM V") is the general partner of Foresite Capital Fund V, L.P. ("Foresite V") and Foresite Capital Opportunity Fund V, L.P. ("Foresite Opportunity") and may be deemed to have sole voting and dispositive power over shares held by Foresite V and Foresite Opportunity. Dr. Tananbaum is the sole managing member of FCM IV and FCM V and may be deemed to have sole voting and dispositive power over share held by Foresite IV, Foresite V, and Foresite Opportunity. Each of FCM IV, FCM V, Foresite Opportunity, and Dr. Tananbaum disclaims beneficial ownership of shares held by Foresite IV, Foresite V, and Foresite Opportunity except to the extent of any pecuniary interest therein.

SEC source: 0001104659-21-080931 · tm2119549-22_4seq1.xml · nonDerivative · entry 4

Tananbaum James B. · CIK 0001581754 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Foresite Capital Fund V, L.P.

Disclosed balance after: 2,342,061

F5 · shares: Foresite V and Foresite Opportunity each acquired 348,125 shares of Class A common stock from the Issuer, at a price of $0.001 per share, immediately prior to the closing of the Merger.

F2 · ownership.nature: Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Foresite Capital Fund IV, L.P. ("Foresite IV") and may be deemed to have sole voting and dispositive power over shares held by Foresite IV. Foresite Capital Management V, LLC ("FCM V") is the general partner of Foresite Capital Fund V, L.P. ("Foresite V") and Foresite Capital Opportunity Fund V, L.P. ("Foresite Opportunity") and may be deemed to have sole voting and dispositive power over shares held by Foresite V and Foresite Opportunity. Dr. Tananbaum is the sole managing member of FCM IV and FCM V and may be deemed to have sole voting and dispositive power over share held by Foresite IV, Foresite V, and Foresite Opportunity. Each of FCM IV, FCM V, Foresite Opportunity, and Dr. Tananbaum disclaims beneficial ownership of shares held by Foresite IV, Foresite V, and Foresite Opportunity except to the extent of any pecuniary interest therein.

SEC source: 0001104659-21-080931 · tm2119549-22_4seq1.xml · nonDerivative · entry 3

Tananbaum James B. · CIK 0001581754 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Foresite Capital Fund V, L.P.

Disclosed balance after: 1,993,936

F4 · shares: Foresite V and Foresite Opportunity each purchased 1,250,000 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: Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Foresite Capital Fund IV, L.P. ("Foresite IV") and may be deemed to have sole voting and dispositive power over shares held by Foresite IV. Foresite Capital Management V, LLC ("FCM V") is the general partner of Foresite Capital Fund V, L.P. ("Foresite V") and Foresite Capital Opportunity Fund V, L.P. ("Foresite Opportunity") and may be deemed to have sole voting and dispositive power over shares held by Foresite V and Foresite Opportunity. Dr. Tananbaum is the sole managing member of FCM IV and FCM V and may be deemed to have sole voting and dispositive power over share held by Foresite IV, Foresite V, and Foresite Opportunity. Each of FCM IV, FCM V, Foresite Opportunity, and Dr. Tananbaum disclaims beneficial ownership of shares held by Foresite IV, Foresite V, and Foresite Opportunity except to the extent of any pecuniary interest therein.

SEC source: 0001104659-21-080931 · tm2119549-22_4seq1.xml · nonDerivative · entry 2

Tananbaum James B. · CIK 0001581754 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Foresite Capital Fund V, L.P.

Disclosed balance after: 743,936

F3 · price: Received in connection with the Merger in exchange for 932,836 shares of Quantum-Si Series E preferred stock.

F2 · ownership.nature: Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Foresite Capital Fund IV, L.P. ("Foresite IV") and may be deemed to have sole voting and dispositive power over shares held by Foresite IV. Foresite Capital Management V, LLC ("FCM V") is the general partner of Foresite Capital Fund V, L.P. ("Foresite V") and Foresite Capital Opportunity Fund V, L.P. ("Foresite Opportunity") and may be deemed to have sole voting and dispositive power over shares held by Foresite V and Foresite Opportunity. Dr. Tananbaum is the sole managing member of FCM IV and FCM V and may be deemed to have sole voting and dispositive power over share held by Foresite IV, Foresite V, and Foresite Opportunity. Each of FCM IV, FCM V, Foresite Opportunity, and Dr. Tananbaum disclaims beneficial ownership of shares held by Foresite IV, Foresite V, and Foresite Opportunity except to the extent of any pecuniary interest therein.

SEC source: 0001104659-21-080931 · tm2119549-22_4seq1.xml · nonDerivative · entry 1

Tananbaum James B. · CIK 0001581754 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Foresite Capital Fund IV, L.P.

Disclosed balance after: 4,463,619

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 5,597,015 shares of Quantum-Si Series E preferred stock.

F2 · ownership.nature: Foresite Capital Management IV, LLC ("FCM IV") is the general partner of Foresite Capital Fund IV, L.P. ("Foresite IV") and may be deemed to have sole voting and dispositive power over shares held by Foresite IV. Foresite Capital Management V, LLC ("FCM V") is the general partner of Foresite Capital Fund V, L.P. ("Foresite V") and Foresite Capital Opportunity Fund V, L.P. ("Foresite Opportunity") and may be deemed to have sole voting and dispositive power over shares held by Foresite V and Foresite Opportunity. Dr. Tananbaum is the sole managing member of FCM IV and FCM V and may be deemed to have sole voting and dispositive power over share held by Foresite IV, Foresite V, and Foresite Opportunity. Each of FCM IV, FCM V, Foresite Opportunity, and Dr. Tananbaum disclaims beneficial ownership of shares held by Foresite IV, Foresite V, and Foresite Opportunity except to the extent of any pecuniary interest therein.