Subsequent Events	9 Months Ended
Sep. 30, 2020
Subsequent events
Subsequent events	14. Subsequent events On October 6, 2020, the Company closed its IPO in which the Company issued and sold 3,250,000 shares of its common stock at a public offering price of $12.00 per share. On October 13, 2020, the underwriters exercised their option to purchase an additional 487,500 shares of the Company’s common stock at a purchase price of $12.00 per share. The Company received net proceeds of $41.7 million after deducting underwriting discounts and commissions of $3.1 million but before deducting other offering expenses. The Company’s common stock is listed on the Nasdaq Capital Market under the trading symbol “IMNM.” In addition, upon the closing of the IPO on October 6, 2020, (i) all of the Company’s outstanding shares of convertible preferred stock converted into 5,670,184 shares of common stock and (ii) all of the Company’s outstanding warrants to purchase convertible preferred stock converted into warrants to purchase common stock. On October 6, 2020, the Company filed an amended and restated certificate of incorporation to, among other things, increase the number of shares of common stock, $0.0001 par value per share, authorized for issuance to 200,000,000 and authorize the Company’s board of directors to issue up to 10,000,000 shares of “blank check” preferred stock, $0.0001 par value per share.

Subsequent Events

9 Months Ended

Sep. 30, 2020

14. Subsequent events

On October 6, 2020, the Company closed its IPO in which the Company issued and sold 3,250,000 shares of its common stock at a public offering price of $12.00 per share. On October 13, 2020, the underwriters exercised their option to purchase an additional 487,500 shares of the Company’s common stock at a purchase price of $12.00 per share. The Company received net proceeds of $41.7 million after deducting underwriting discounts and commissions of $3.1 million but before deducting other offering expenses. The Company’s common stock is listed on the Nasdaq Capital Market under the trading symbol “IMNM.” In addition, upon the closing of the IPO on October 6, 2020, (i) all of the Company’s outstanding shares of convertible preferred stock converted into 5,670,184 shares of common stock and (ii) all of the Company’s outstanding warrants to purchase convertible preferred stock converted into warrants to purchase common stock. On October 6, 2020, the Company filed an amended and restated certificate of incorporation to, among other things, increase the number of shares of common stock, $0.0001 par value per share, authorized for issuance to 200,000,000 and authorize the Company’s board of directors to issue up to 10,000,000 shares of “blank check” preferred stock, $0.0001 par value per share.