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Related Party Balances and Transactions | 9 Months Ended
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Sep. 30, 2020
Related Party Transactions [Abstract] |
Related Party Balances and Transactions | 21. Related Party Balances and Transactions The table below sets forth the major related parties and their relationships with the Group as of December 31, 2019 and September 30, 2020:
Name of related parties |  | Relationship with the Group
Everest |  | Controlled by the ultimate controlling party of a principal shareholder of the Group
Tasly Pharmaceutical Group Co., Ltd. |  | Controlled by the ultimate controlling party of a principal shareholder of the Group
CMAB Biopharma (Suzhou) Inc. |  | Controlled by the ultimate controlling party of a principal shareholder of the Group
I-Mab Biopharma (Hangzhou) Co., Limited |  | Subsidiary of the Group before September 15, 2020; Affiliate of the Group after September 15, 2020
Details of related party balance as of December 31, 2019 and September 30, 2020 are as follows: Ordinary Shares to be issued to Everest*
|  | As of December 31, |  |  | As of September 30, |
|  | 2019 |  |  | 2020 |
|  | RMB |  |  | RMB |  |  | US$ (Note 2.5) |
Everest (Note 16) |  |  | 258,119 |  |  |  | — |  |  |  | — |
Loans to an affiliate
|  | As of December 31, |  |  | As of September 30, |
|  | 2019 |  |  | 2020 |
|  | RMB |  |  | RMB |  |  | US$ (Note 2.5) |
I-Mab Hangzhou (Note(i)) |  |  | — |  |  |  | 52,000 |  |  |  | 7,659 |
Note(i): In July 2019 and July 2020, I-Mab Shanghai provided an interest free loan to I-Mab Hangzhou of RMB2,000 and RMB50,000 respectively to finance I-Mab Hangzhou’s operation. These loans were repaid in November 2020. Details of related party transactions for the nine months ended September 30, 2019 and 2020 are as follows: Receipt of CRO services—recognized in research and development expenses
|  | Nine Months Ended September 30, |
|  | 2019 |  |  | 2020 |
|  | RMB |  |  | RMB |  |  | US$ (Note 2.5) |
Tasly Pharmaceutical Group Co., Ltd. |  |  | 5,590 |  |  |  | — |  |  |  | — |
Receipt of research and development funding
|  | Nine Months Ended September 30, |
|  | 2019 |  |  | 2020 |
|  | RMB |  |  | RMB |  |  | US$ (Note 2.5) |
Everest (Note 16) |  |  | 52,207 |  |  |  | — |  |  |  | — |
Project development fee – recognized in research and development expenses
|  | Nine Months Ended September 30, |
|  | 2019 |  |  | 2020 |
|  | RMB |  |  | RMB |  |  | US$ (Note 2.5) |
CMAB Biopharma (Suzhou) Inc. |  |  | — |  |  |  | 690 |  |  |  | 102 |

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI http://asc.fasb.org/topic&trid=2122745 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864 + Details
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