Related Party Transactions	6 Months Ended
Jun. 30, 2022
Related Party Transactions [Abstract]
Related Party Transactions	17. Related Party Transactions atai Formation In connection with the formation of atai in 2018, the Company entered into a series of transactions with its shareholders, Apeiron, Galaxy Group Investments LLC. (“Galaxy”) and HCS Beteiligungsgesellschaft mbH (“HCS”) whereby these shareholders contributed their investments in COMPASS, Innoplexus and Juvenescence to the Company in exchange for the Company's common stock of equivalent value. Apeiron is the family office of the Company’s co-founder who owns 17.9% and 18.0% of the outstanding common stock in the Company as of June 30, 2022 and December 31, 2021, respectively. Galaxy is a NYC-based multi-strategy investment firm that owns 6.7% and 6.7% of the outstanding common stock in the Company as of June 30, 2022 and December 31, 2021, respectively. Convertible Note Agreements with Perception In March 2020, Perception entered into the Perception Note Purchase Agreement with the Company and other investors, including related parties, which provided for the issuance of convertible notes of up to $3.9 million, among which Perception issued convertible notes in the aggregate principal amount of $3.3 million to the Company and $0.3 million to Sonia Weiss Pick and Family, and $0.3 million to other investors. In addition, in December 2020, Perception entered into the Perception December 2020 Convertible Note Agreement with the Company and other investors, including related parties, which provided for the issuance of convertible notes of up to $12.0 million in two tranches. Under the First Tranche Funding of $7.0 million, Perception issued an aggregate principal amount of $5.8 million to the Company and $0.4 million to other investors as of December 31, 2020 and $0.2 million to Apeiron, $0.5 million to Sonia Weiss Pick and Family, and $0.1 million to other investors in January 2021. Under the Second Tranche Funding of $5.0 million, Perception issued an aggregate of $4.2 million to the Company, $0.2 million to Apeiron, $0.3 million to Sonia Weiss Pick and Family, and $0.4 million to other investors. On June 10, 2021, Perception received $20.0 million pursuant to the Otsuka Agreement. Upon receipt of the proceeds, the Perception Convertible Notes automatically converted into Series A preferred stock pursuant to their original terms. Sonia Weiss Pick and Family and Aperion received 440,415 shares and 27,809 shares of Perception Series A preferred stock, respectively, upon conversion of the Perception Convertible Notes. The conversion of the Perception December 2020 Notes was accounted for an extinguishment. The March 2020 Notes were accounted for as a conversion. These transactions are further described in Note 10. Common Stock Since 2018, the Company engaged SMC as the underwriting bank to provide banking, advisory services and securities-related technical support of cash and non-cash capital increase transactions. In connection with the issuance of common stock in November 2020, the Company paid SMC an aggregate amount of $4.5 million of advisory fees, of which approximately $3.7 million was paid to Apeiron by SMC during the first quarter of 2021. In January 2021, pursuant to an additional closing from the common stock issuance in November and December 2020, the Company issued and sold 2,133,328 shares of common stock to Apeiron at the same issuance price, for cash proceeds of $12.2 million. In March 2021, in connection with the Company’s issuance of 13,419,360 shares of common stock, at a price of €9.69 or $11.71 per share, the Company issued common shares to Apeiron for a total purchase price of $14.5 million, and issued common shares to Presight II, L.P. for a total purchase price of $13.9 million (See Note 11 ). Apeiron is the co-managing member of the general partner of Presight II, L.P. Related Party Receivable In February 2021, the Company advanced $0.8 million to a member of the management team to cover the personal payroll and income taxes on their taxable income from the exercise of stock options. This receivable was repaid in May 2021. Directed Share Program In connection with ATAI’s initial public offering, the underwriters reserved 27% of the common shares for sale at the initial offering price to the Company’s managing directors, supervisory directors and certain other parties. Apeiron participated in the program and purchased $10.5 million of common stock. Consulting Agreement with Mr. Angermayer In January 2021, the Company entered into a consulting agreement, (the “Consulting Agreement”), with Mr. Angermayer, one of the Company’s co-founders and supervisory director. Apeiron is the family office and merchant banking business of Mr. Angermayer. Pursuant to the Consulting Agreement, Mr. Angermayer agreed to render services to the Company on business and financing strategies in exchange for 624,000 shares under the 2020 Incentive Plan upon achievement of certain performance targets. The Consulting Agreement expires on March 31, 2024. As a result of the Consulting Agreement, for the three and six months ended June 30, 2022, the Company recorded $0.2 million and $0.4 million, respectively, of stock-based compensation included in general and administrative expense in its condensed consolidated statement of operations. As a result of this agreement, for the three and six months ended June 30, 2021, the Company recorded $0.3 million of stock-based compensation included in general and administrative expense in its condensed consolidated statement of operations. For the three and six months ended June 30, 2022, the Company recorded $0.2 million and $0.3 million, respectively, of stock-based compensation included in general and administrative expense in its condensed consolidated statement of operations related to Mr. Angermayer's service as Chairman of the supervisory board. For the three and six months ended June 30, 2021, the Company recorded an immaterial amount of general and administrative expense in its condensed consolidated statement of operations related to Mr. Angermayer's service as Chairman of the supervisory board.

Related Party Transactions

6 Months Ended

Jun. 30, 2022

17. Related Party Transactions

atai Formation

In connection with the formation of atai in 2018, the Company entered into a series of transactions with its shareholders, Apeiron, Galaxy Group Investments LLC. (“Galaxy”) and HCS Beteiligungsgesellschaft mbH (“HCS”) whereby these shareholders contributed their investments in COMPASS, Innoplexus and Juvenescence to the Company in exchange for the Company's common stock of equivalent value. Apeiron is the family office of the Company’s co-founder who owns 17.9% and 18.0% of the outstanding common stock in the Company as of June 30, 2022 and December 31, 2021, respectively. Galaxy is a NYC-based multi-strategy investment firm that owns 6.7% and 6.7% of the outstanding common stock in the Company as of June 30, 2022 and December 31, 2021, respectively.

Convertible Note Agreements with Perception

In March 2020, Perception entered into the Perception Note Purchase Agreement with the Company and other investors, including related parties, which provided for the issuance of convertible notes of up to $3.9 million, among which Perception issued convertible notes in the aggregate principal amount of $3.3 million to the Company and $0.3 million to Sonia Weiss Pick and Family, and $0.3 million to other investors. In addition, in December 2020, Perception entered into the Perception December 2020 Convertible Note Agreement with the Company and other investors, including related parties, which provided for the issuance of convertible notes of up to $12.0 million in two tranches. Under the First Tranche Funding of $7.0 million, Perception issued an aggregate principal amount of $5.8 million to the Company and $0.4 million to other investors as of December 31, 2020 and $0.2 million to Apeiron, $0.5 million to Sonia Weiss Pick and Family, and $0.1 million to other investors in January 2021. Under the Second Tranche Funding of $5.0 million, Perception issued an aggregate of $4.2 million to the Company, $0.2 million to Apeiron, $0.3 million to Sonia Weiss Pick and Family, and $0.4 million to other investors.

On June 10, 2021, Perception received $20.0 million pursuant to the Otsuka Agreement. Upon receipt of the proceeds, the Perception Convertible Notes automatically converted into Series A preferred stock pursuant to their original terms. Sonia Weiss Pick and Family and Aperion received 440,415 shares and 27,809 shares of Perception Series A preferred stock, respectively, upon conversion of the Perception Convertible Notes. The conversion of the Perception December 2020 Notes was accounted for an extinguishment. The March 2020 Notes were accounted for as a conversion. These transactions are further described in Note 10.

Common Stock

Since 2018, the Company engaged SMC as the underwriting bank to provide banking, advisory services and securities-related technical support of cash and non-cash capital increase transactions. In connection with the issuance of common stock in November 2020, the Company paid SMC an aggregate amount of $4.5 million of advisory fees, of which approximately $3.7 million was paid to Apeiron by SMC during the first quarter of 2021.

In January 2021, pursuant to an additional closing from the common stock issuance in November and December 2020, the Company issued and sold 2,133,328 shares of common stock to Apeiron at the same issuance price, for cash proceeds of $12.2 million. In March 2021, in connection with the Company’s issuance of 13,419,360 shares of common stock, at a price of €9.69 or $11.71 per share, the Company

issued common shares to Apeiron for a total purchase price of $14.5 million, and issued common shares to Presight II, L.P. for a total purchase price of $13.9 million (See Note 11 ). Apeiron is the co-managing member of the general partner of Presight II, L.P.

Related Party Receivable

In February 2021, the Company advanced $0.8 million to a member of the management team to cover the personal payroll and income taxes on their taxable income from the exercise of stock options. This receivable was repaid in May 2021.

Directed Share Program

In connection with ATAI’s initial public offering, the underwriters reserved 27% of the common shares for sale at the initial offering price to the Company’s managing directors, supervisory directors and certain other parties. Apeiron participated in the program and purchased $10.5 million of common stock.

Consulting Agreement with Mr. Angermayer

In January 2021, the Company entered into a consulting agreement, (the “Consulting Agreement”), with Mr. Angermayer, one of the Company’s co-founders and supervisory director. Apeiron is the family office and merchant banking business of Mr. Angermayer. Pursuant to the Consulting Agreement, Mr. Angermayer agreed to render services to the Company on business and financing strategies in exchange for 624,000 shares under the 2020 Incentive Plan upon achievement of certain performance targets. The Consulting Agreement expires on March 31, 2024.

As a result of the Consulting Agreement, for the three and six months ended June 30, 2022, the Company recorded $0.2 million and $0.4 million, respectively, of stock-based compensation included in general and administrative expense in its condensed consolidated statement of operations. As a result of this agreement, for the three and six months ended June 30, 2021, the Company recorded $0.3 million of stock-based compensation included in general and administrative expense in its condensed consolidated statement of operations.

For the three and six months ended June 30, 2022, the Company recorded $0.2 million and $0.3 million, respectively, of stock-based compensation included in general and administrative expense in its condensed consolidated statement of operations related to Mr. Angermayer's service as Chairman of the supervisory board. For the three and six months ended June 30, 2021, the Company recorded an immaterial amount of general and administrative expense in its condensed consolidated statement of operations related to Mr. Angermayer's service as Chairman of the supervisory board.