Related Party Transactions	12 Months Ended
Dec. 31, 2021
Related Party Transactions [Abstract]
Related Party Transactions	11. Related Party Transactions In November 2016, the Company entered into a consulting agreement with Mark Payne, M.D (the “Consulting Engagement”). Dr. Payne was a director of Chondrial at that time, a full-time employee of IU and one of the inventors of the licensed IU intellectual property, and as such is entitled to a certain share of the revenues received by IU under the IU License. Pursuant to the terms of his consulting agreement the Company agreed to pay Dr. Payne $0.1 million per year over the term of the agreement and granted Dr. Payne 123,853 restricted Common Units in Holdings. On November 30, 2016, 30% immediately vested and was associated with Chondrial Therapeutics IP, LLC (“IP LLC”) becoming a subsidiary of Holdings, which was subsequently contributed to the Company on December 31, 2018. The remaining 70% vested ratably over 48 months beginning on December 1, 2016. The consulting agreement had a four-year term, subject to earlier termination. On November 30, 2020, the Company entered into a 1-month extension of the Consulting Engagement, expiring on December 31, 2020.On January 1, 2021, the Company entered into a new consulting agreement with Mark Payne, M.D. which extended the term of the Consulting Engagement for a four-year term beginning on January 1, 2021. During each of the twelve months ended December 31, 2021 and 2020, the Company recognized $0.1 million, related to this consulting agreement, recorded as research and development expense in the Statement of Operations. The funding to the Company originated from Holdings’ sale of Series A Preferred Units and Series B convertible preferred units (the "Units") with Deerfield Private Design Fund IV, L.P., Deerfield Private Design Fund III, L.P. and Deerfield Health Innovations Fund, L.P. (together, the “Deerfield Funds”), and certain other purchasers, from inception through May 28, 2020 and the contribution of the proceeds received by Holdings on such sales to the Company in order to fund the Company’s operations. Under a November 30, 2016 Series A Preferred Unit Purchase Agreement, as amended on September 8, 2017, November 15, 2017, November 14, 2018 and April 29, 2019, Holdings sold Series A Preferred Units for gross proceeds of $35.6 million. The gross proceeds of $35.6 million were contributed to the Company. On November 21, 2019 (as amended on December 20, 2019), Holdings entered into a Second Amended and Restated LLC Agreement and entered into a Series B Bridge Unit Purchase Agreement with the Deerfield Funds and certain other purchasers to sell Series B convertible preferred units (“Series B Bridge Units”) for gross proceeds of up to $10.0 million. The gross proceeds of $10.0 million were contributed to the Company. On January 16, 2020, Holdings entered into a Third Amended and Restated LLC Agreement and entered into a Second Series B Bridge Unit Purchase Agreement with the Deerfield Funds and certain other purchasers to sell Second Series B convertible preferred units (“Second Series B Bridge Units”) for gross proceeds of up to $15.0 million. The gross proceeds of $11.4 million were contributed to the Company. During the twelve months ended December 31, 2020, Holdings provided the Company non-interest bearing, permanent funding from the above Series A and Series B preferred unit transactions, totaling $18.0 million which has been recorded as capital contributions with the balance of combined equity and additional paid in capital on the consolidated balance sheets and consolidated statements of changes in stockholders’ equity for each respective period. No contributions were made by Holdings subsequent to the Merger. During 2020, the Company purchased a piece of laboratory equipment for $0.5 million from a supplier of which one the Company's directors is also a current director. During 2021, the Company purchased a piece of laboratory equipment and lab supplies for a cumulative $0.1 million from the same supplier.

Related Party Transactions

12 Months Ended

Dec. 31, 2021

11.

Related Party Transactions

In November 2016, the Company entered into a consulting agreement with Mark Payne, M.D (the “Consulting Engagement”). Dr. Payne was a director of Chondrial at that time, a full-time employee of IU and one of the inventors of the licensed IU intellectual property, and as such is entitled to a certain share of the revenues received by IU under the IU License. Pursuant to the terms of his consulting agreement the Company agreed to pay Dr. Payne $0.1 million per year over the term of the agreement and granted Dr. Payne 123,853 restricted Common Units in Holdings. On November 30, 2016, 30% immediately vested and was associated with Chondrial Therapeutics IP, LLC (“IP LLC”) becoming a subsidiary of Holdings, which was subsequently contributed to the Company on December 31, 2018. The remaining 70% vested ratably over 48 months beginning on December 1, 2016. The consulting agreement had a four-year term, subject to earlier termination. On November 30, 2020, the Company entered into a 1-month extension of the Consulting Engagement, expiring on December 31, 2020.On January 1, 2021, the Company entered into a new consulting agreement with Mark Payne, M.D. which extended the term of the Consulting Engagement for a four-year term beginning on January 1, 2021. During each of the twelve months

ended December 31, 2021 and 2020, the Company recognized $0.1 million, related to this consulting agreement, recorded as research and development expense in the Statement of Operations.

The funding to the Company originated from Holdings’ sale of Series A Preferred Units and Series B convertible preferred units (the "Units") with Deerfield Private Design Fund IV, L.P., Deerfield Private Design Fund III, L.P. and Deerfield Health Innovations Fund, L.P. (together, the “Deerfield Funds”), and certain other purchasers, from inception through May 28, 2020 and the contribution of the proceeds received by Holdings on such sales to the Company in order to fund the Company’s operations.

Under a November 30, 2016 Series A Preferred Unit Purchase Agreement, as amended on September 8, 2017, November 15, 2017, November 14, 2018 and April 29, 2019, Holdings sold Series A Preferred Units for gross proceeds of $35.6 million. The gross proceeds of $35.6 million were contributed to the Company.

On November 21, 2019 (as amended on December 20, 2019), Holdings entered into a Second Amended and Restated LLC Agreement and entered into a Series B Bridge Unit Purchase Agreement with the Deerfield Funds and certain other purchasers to sell Series B convertible preferred units (“Series B Bridge Units”) for gross proceeds of up to $10.0 million. The gross proceeds of $10.0 million were contributed to the Company.

On January 16, 2020, Holdings entered into a Third Amended and Restated LLC Agreement and entered into a Second Series B Bridge Unit Purchase Agreement with the Deerfield Funds and certain other purchasers to sell Second Series B convertible preferred units (“Second Series B Bridge Units”) for gross proceeds of up to $15.0 million. The gross proceeds of $11.4 million were contributed to the Company.

During the twelve months ended December 31, 2020, Holdings provided the Company non-interest bearing, permanent funding from the above Series A and Series B preferred unit transactions, totaling $18.0 million which has been recorded as capital contributions with the balance of combined equity and additional paid in capital on the consolidated balance sheets and consolidated statements of changes in stockholders’ equity for each respective period. No contributions were made by Holdings subsequent to the Merger.

During 2020, the Company purchased a piece of laboratory equipment for $0.5 million from a supplier of which one the Company's directors is also a current director. During 2021, the Company purchased a piece of laboratory equipment and lab supplies for a cumulative $0.1 million from the same supplier.