PROTEOSTASIS THERAPEUTICS, INC. | Registration Rights Agreements | Business Contracts

Form of Amendment No. 2 to the Registration Rights Agreement, dated December 5, 2022 (Filed With SEC on December 5, 2022)

Form of Registration Rights Agreement Amendment, dated October 24, 2022 (Filed With SEC on October 24, 2022)

Form of Registration Rights Agreement, dated June 5, 2022, by each of the parties named therein (Filed With SEC on June 6, 2022)

Registration Rights Agreement, dated as of December 22, 2020 by among the Company (formerly known as Proteostasis Therapeutics, Inc.) and certain purchasers listed therein (Filed With SEC on December 30, 2020)

Form of Registration Rights Agreement (Filed With SEC on December 15, 2020)

PROTEOSTASIS THERAPEUTICS, INC. (82) | Registration Rights Agreements (5)