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Common stock and common stock warrants (Tables)

6 Months Ended

Jun. 30, 2026

Common Stock And Common Stock Warrants [Abstract]

Schedule of Outstanding Common Stock Warrants

Outstanding warrants to purchase common stock consisted of the following at June 30, 2026:

Issuance date						Contractual term						Balance sheet classification						Shares of common stock issuable upon exercise of warrant						Weighted average exercise price
						(in years)
July 24, 2017						10						Equity						10,026						$	298.96
April 12, 2018						10						Equity						30,000						$	1.00
July 14, 2021 *						10						Equity						346,077						$	3.99
August 8, 2025						10						Equity						179,104						$	3.35
May 20, 2026 Pre-funded						†						Equity						1,463,000						$	0.01
May 20, 2026 Series A						1						Equity						5,044,000						$	1.96
May 20, 2026 Series B						5						Equity						5,044,000						$	2.34
May 29, 2026 Series A						1						Equity						71,607						$	1.96
May 29, 2026 Series B						5						Equity						71,607						$	2.34
																		12,259,421
† such rights shall not expire

Outstanding warrants to purchase common stock consisted of the following at December 31, 2025:

Issuance date						Contractual term						Balance sheet classification						Shares of common stock issuable upon exercise of warrant						Weighted average exercise price
						(in years)
July 24, 2017						10						Equity						15,035						$	298.96
April 12, 2018						10						Equity						30,000						$	1.00
July 14, 2021 *						10						Equity						975,109						$	1.46
August 8, 2025						10						Equity						179,104						$	3.35
																		1,199,248

____________________________

*In connection with the Company’s IPO, preferred stock warrants were automatically converted to Class A common stock warrants. The contractual term of the converted Class A common stock warrants remained consistent with the original term of the preferred stock warrants, with original issue dates between 2017-2020.

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- References

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- Definition

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

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