Note 12. Warrants

In connection with certain of its redeemable convertible preferred stock issuances, convertible debt financings and other financing arrangements, the Company has issued warrants for shares of its common stock and various issues of its redeemable convertible preferred stock which have since been converted to common stock warrants. There have been no significant modifications or financial events relating to the warrants that were issued prior to December 31, 2017 since the disclosures made by the Company in its Annual Report on Form 10-K, filed with the SEC on March 23, 2018.

In March 2018, in connection with the Company’s entry into the MidCap Credit Facility (see Note 8), the Company issued warrants to purchase an aggregate of 18,123 shares of the Company’s common stock, at an exercise price equal to $7.73 per share as a result of the funding of MidCap Tranche 1. The warrants are immediately exercisable and expire on the earlier to occur of the tenth anniversary of the respective issue date or, in certain circumstances, the closing of a merger, sale or other consolidation transaction in which the consideration is cash, stock of a publicly traded acquirer, or a combination thereof.

The following table shows the common stock warrants outstanding as of September 30, 2018:

Shares of Common Stock Underlying Warrants		Exercise Price/Share		Expiration Date
	28,713	$	23.51	2024
	144,772		14.00	2022
	931		6.45	2019
	45,307		2.76	2026
	18,123		7.73	2028