VCNX

SEC source: 0000891839-19-000042 · edgar.xml · nonDerivative · entry 4

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

Vaccinex (Rochester), L.L.C. · CIK 0001747866 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 4,789,469

F3 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by FCMI Parent Co. on January 23, 2019.

F4 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0000891839-19-000040 · edgar.xml · nonDerivative · entry 4

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 4,789,469

F3 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by FCMI Parent Co. on January 23, 2019.

F4 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0000891839-19-000038 · edgar.xml · nonDerivative · entry 4

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

Vaccinex (Rochester), L.L.C. · CIK 0001747866 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 4,789,469

F3 · shares: The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by FCMI Parent Co. on January 23, 2019.

F4 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0000891839-19-000033 · edgar.xml · nonDerivative · entry 2

Royer Scott E. · CIK 0001747756 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,999

F1 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.75 to $5.17 per share, inclusive. Mr. Royer undertakes to provide to Vaccinex, Inc., any securityholder of Vaccinex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price.

SEC source: 0000891839-19-000033 · edgar.xml · nonDerivative · entry 1

Royer Scott E. · CIK 0001747756 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,274

SEC source: 0000891839-19-000022 · edgar.xml · nonDerivative · entry 1

Royer Scott E. · CIK 0001747756 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,999

F1 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.30 to $4.3928. Mr. Royer undertakes to provide to Vaccinex, Inc., any securityholder of Vaccinex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price.

SEC source: 0000891839-18-000122 · edgar.xml · nonDerivative · entry 1

Royer Scott E. · CIK 0001747756 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 311

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $4.10 to $4.20. The reporting person undertakes to provide to Vaccinex, Inc., any securityholder of Vaccinex, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number or shares purchased at each separate price.

SEC source: 0001123292-18-000929 · edgar.xml · derivative · entry 1

Frieberg Jacob B. · CIK 0001748346 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Gee Eff Services Limited

Disclosed balance after: 75,000

Underlying: Common Stock · 4,121 shares

Expires not disclosed

F1 · security: Partnership interests in VX3 (DE) LP, or VX3, which are exchangeable into shares of Common Stock on a 1-for-0.05495 basis at the holder's option. On August 13, 2018, Gee Eff Services Limited entered into an exchange agreement with the Issuer and the other partners of VX3 that provides each VX3 partner the right to exchange all, but not less than all, of its partnership interests in VX3 for shares of Common Stock. The option has no expiration date.

F1 · derivative.exercise_price: Partnership interests in VX3 (DE) LP, or VX3, which are exchangeable into shares of Common Stock on a 1-for-0.05495 basis at the holder's option. On August 13, 2018, Gee Eff Services Limited entered into an exchange agreement with the Issuer and the other partners of VX3 that provides each VX3 partner the right to exchange all, but not less than all, of its partnership interests in VX3 for shares of Common Stock. The option has no expiration date.

F1 · kind: Partnership interests in VX3 (DE) LP, or VX3, which are exchangeable into shares of Common Stock on a 1-for-0.05495 basis at the holder's option. On August 13, 2018, Gee Eff Services Limited entered into an exchange agreement with the Issuer and the other partners of VX3 that provides each VX3 partner the right to exchange all, but not less than all, of its partnership interests in VX3 for shares of Common Stock. The option has no expiration date.

F1 · price: Partnership interests in VX3 (DE) LP, or VX3, which are exchangeable into shares of Common Stock on a 1-for-0.05495 basis at the holder's option. On August 13, 2018, Gee Eff Services Limited entered into an exchange agreement with the Issuer and the other partners of VX3 that provides each VX3 partner the right to exchange all, but not less than all, of its partnership interests in VX3 for shares of Common Stock. The option has no expiration date.

F1 · derivative.exercise_date: Partnership interests in VX3 (DE) LP, or VX3, which are exchangeable into shares of Common Stock on a 1-for-0.05495 basis at the holder's option. On August 13, 2018, Gee Eff Services Limited entered into an exchange agreement with the Issuer and the other partners of VX3 that provides each VX3 partner the right to exchange all, but not less than all, of its partnership interests in VX3 for shares of Common Stock. The option has no expiration date.

F1 · derivative.expiration_date: Partnership interests in VX3 (DE) LP, or VX3, which are exchangeable into shares of Common Stock on a 1-for-0.05495 basis at the holder's option. On August 13, 2018, Gee Eff Services Limited entered into an exchange agreement with the Issuer and the other partners of VX3 that provides each VX3 partner the right to exchange all, but not less than all, of its partnership interests in VX3 for shares of Common Stock. The option has no expiration date.

F2 · ownership.nature: The reporting person is the sole owner and President of Gee Eff Services Limited.

SEC source: 0001123292-18-000927 · edgar.xml · derivative · entry 4

Antibody Investments LLC · CIK 0001749340 · 10% owner

Shumacher Michael · CIK 0001749366 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 549,444 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

SEC source: 0001123292-18-000927 · edgar.xml · derivative · entry 3

Antibody Investments LLC · CIK 0001749340 · 10% owner

Shumacher Michael · CIK 0001749366 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,346,139 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 0.1868-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The reported securities converted into shares of Common Stock on a 0.1868-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 0.1868-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 0.1868-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

SEC source: 0001123292-18-000927 · edgar.xml · nonDerivative · entry 2

Antibody Investments LLC · CIK 0001749340 · 10% owner

Shumacher Michael · CIK 0001749366 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,895,583

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

SEC source: 0001123292-18-000927 · edgar.xml · nonDerivative · entry 1

Antibody Investments LLC · CIK 0001749340 · 10% owner

Shumacher Michael · CIK 0001749366 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,346,139

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The reported securities converted into shares of Common Stock on a 0.1868-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

SEC source: 0001123292-18-000928 · edgar.xml · derivative · entry 17

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 21,475,000

Underlying: Common Stock · 1,800,051 shares

Expires not disclosed

F7 · security: Partnership interests in VX3 (DE) LP, or VX3, which are exchangeable into shares of Common Stock on a 1-for-0.05495 basis at the holder's option. On August 13, 2018, FCMI Parent Co. entered into an exchange agreement with the Issuer and the other partners of VX3 that provides each VX3 partner the right to exchange all, but not less than all, of its partnership interests in VX3 for shares of Common Stock. The option has no expiration date.

F7 · derivative.exercise_price: Partnership interests in VX3 (DE) LP, or VX3, which are exchangeable into shares of Common Stock on a 1-for-0.05495 basis at the holder's option. On August 13, 2018, FCMI Parent Co. entered into an exchange agreement with the Issuer and the other partners of VX3 that provides each VX3 partner the right to exchange all, but not less than all, of its partnership interests in VX3 for shares of Common Stock. The option has no expiration date.

F7 · kind: Partnership interests in VX3 (DE) LP, or VX3, which are exchangeable into shares of Common Stock on a 1-for-0.05495 basis at the holder's option. On August 13, 2018, FCMI Parent Co. entered into an exchange agreement with the Issuer and the other partners of VX3 that provides each VX3 partner the right to exchange all, but not less than all, of its partnership interests in VX3 for shares of Common Stock. The option has no expiration date.

F7 · price: Partnership interests in VX3 (DE) LP, or VX3, which are exchangeable into shares of Common Stock on a 1-for-0.05495 basis at the holder's option. On August 13, 2018, FCMI Parent Co. entered into an exchange agreement with the Issuer and the other partners of VX3 that provides each VX3 partner the right to exchange all, but not less than all, of its partnership interests in VX3 for shares of Common Stock. The option has no expiration date.

F7 · derivative.exercise_date: Partnership interests in VX3 (DE) LP, or VX3, which are exchangeable into shares of Common Stock on a 1-for-0.05495 basis at the holder's option. On August 13, 2018, FCMI Parent Co. entered into an exchange agreement with the Issuer and the other partners of VX3 that provides each VX3 partner the right to exchange all, but not less than all, of its partnership interests in VX3 for shares of Common Stock. The option has no expiration date.

F7 · derivative.expiration_date: Partnership interests in VX3 (DE) LP, or VX3, which are exchangeable into shares of Common Stock on a 1-for-0.05495 basis at the holder's option. On August 13, 2018, FCMI Parent Co. entered into an exchange agreement with the Issuer and the other partners of VX3 that provides each VX3 partner the right to exchange all, but not less than all, of its partnership interests in VX3 for shares of Common Stock. The option has no expiration date.

F3 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · derivative · entry 16

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 0

Underlying: Common Stock · 683,681 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · derivative · entry 15

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 0

Underlying: Common Stock · 480,822 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 0.124-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F5 · price: The reported securities converted into shares of Common Stock on a 0.124-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F5 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 0.124-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F5 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 0.124-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · derivative · entry 14

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 0

Underlying: Common Stock · 204,145 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · derivative · entry 13

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 0

Underlying: Common Stock · 599,957 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F4 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F4 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · derivative · entry 12

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 0

Underlying: Common Stock · 500,570 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · derivative · entry 11

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Pan-Atlantic Bank & Trust Ltd.

Disclosed balance after: 0

Underlying: Common Stock · 37,633 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · ownership.nature: Albert D. Friedberg is the majority owner of Pan Atlantic Bank & Trust Ltd. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · derivative · entry 10

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 439,555 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

SEC source: 0001123292-18-000928 · edgar.xml · nonDerivative · entry 9

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Global Macro Hedge Fund Ltd.

Disclosed balance after: 583,333

F6 · ownership.nature: Mr. Friedberg possesses voting and dispositive power over the reported securities and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · nonDerivative · entry 8

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 4,788,469

F3 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · nonDerivative · entry 7

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 2,913,469

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · nonDerivative · entry 6

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 2,229,788

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · price: The reported securities converted into shares of Common Stock on a 0.124-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · nonDerivative · entry 5

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 1,748,966

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · nonDerivative · entry 4

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 1,544,821

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · price: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · nonDerivative · entry 3

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By FCMI Parent Co.

Disclosed balance after: 944,864

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: Mr. Friedberg is the majority owner, a director and the president of FCMI Parent Co. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · nonDerivative · entry 2

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Pan-Atlantic Bank & Trust Ltd.

Disclosed balance after: 37,633

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · ownership.nature: Albert D. Friedberg is the majority owner of Pan Atlantic Bank & Trust Ltd. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000928 · edgar.xml · nonDerivative · entry 1

FRIEDBERG ALBERT · CIK 0001268239 · Director · 10% owner

FCMI Parent Co. · CIK 0001678258 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 439,555

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

SEC source: 0001123292-18-000926 · edgar.xml · derivative · entry 8

Zauderer Maurice · CIK 0001747753 · Director · President and CEO · 10% owner

Vaccinex (Rochester), L.L.C. · CIK 0001747866 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Vaccinex (Rochester), L.L.C.

Disclosed balance after: 0

Underlying: Common Stock · 815,698 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F4 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F4 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F4 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · ownership.nature: Mr. Zauderer is the president and a majority owner of Vaccinex (Rochester), L.L.C. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000926 · edgar.xml · derivative · entry 7

Zauderer Maurice · CIK 0001747753 · Director · President and CEO · 10% owner

Vaccinex (Rochester), L.L.C. · CIK 0001747866 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jordan M. Zauderer Trust

Disclosed balance after: 0

Underlying: Common Stock · 95,448 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · price: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · ownership.nature: Maurice Zauderer exercises voting control over shares held by this trust and disclaims beneficial ownership over these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000926 · edgar.xml · derivative · entry 6

Zauderer Maurice · CIK 0001747753 · Director · President and CEO · 10% owner

Vaccinex (Rochester), L.L.C. · CIK 0001747866 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeremy C. Zauderer Trust

Disclosed balance after: 0

Underlying: Common Stock · 95,448 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · price: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · ownership.nature: Maurice Zauderer exercises voting control over shares held by this trust and disclaims beneficial ownership over these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000926 · edgar.xml · derivative · entry 5

Zauderer Maurice · CIK 0001747753 · Director · President and CEO · 10% owner

Vaccinex (Rochester), L.L.C. · CIK 0001747866 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 93,547 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · price: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · derivative.exercise_date: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · derivative.expiration_date: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

SEC source: 0001123292-18-000926 · edgar.xml · nonDerivative · entry 4

Zauderer Maurice · CIK 0001747753 · Director · President and CEO · 10% owner

Vaccinex (Rochester), L.L.C. · CIK 0001747866 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Vaccinex (Rochester), L.L.C.

Disclosed balance after: 815,698

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · price: The reported securities converted into shares of Common Stock on a 1-for-10 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · ownership.nature: Mr. Zauderer is the president and a majority owner of Vaccinex (Rochester), L.L.C. and disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000926 · edgar.xml · nonDerivative · entry 3

Zauderer Maurice · CIK 0001747753 · Director · President and CEO · 10% owner

Vaccinex (Rochester), L.L.C. · CIK 0001747866 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jordan M. Zauderer Trust

Disclosed balance after: 212,161

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · ownership.nature: Maurice Zauderer exercises voting control over shares held by this trust and disclaims beneficial ownership over these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000926 · edgar.xml · nonDerivative · entry 2

Zauderer Maurice · CIK 0001747753 · Director · President and CEO · 10% owner

Vaccinex (Rochester), L.L.C. · CIK 0001747866 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeremy C. Zauderer Trust

Disclosed balance after: 213,209

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · ownership.nature: Maurice Zauderer exercises voting control over shares held by this trust and disclaims beneficial ownership over these shares except to the extent of his pecuniary interest therein.

SEC source: 0001123292-18-000926 · edgar.xml · nonDerivative · entry 1

Zauderer Maurice · CIK 0001747753 · Director · President and CEO · 10% owner

Vaccinex (Rochester), L.L.C. · CIK 0001747866 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,748

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: The reported securities converted into shares of Common Stock on a 0.1641-for-1 basis immediately prior to the consummation of the Issuer's initial public offering.