Capital Stock and Stockholders' Deficit (Tables)

3 Months Ended

Mar. 31, 2024

Equity [Abstract]

Summary of Reserved for Issuance Upon the Potential Conversion or Exercise

The number of shares of Common Stock that have been reserved for issuance upon the potential conversion or exercise, as applicable, of the Company’s securities as of March 31, 2024, is as follows:

Outstanding options to purchase common stock	3,928,824
Restricted Stock Units	656,016
Warrants to purchase preferred stock (as converted to warrants    to purchase common stock)	138,857
Warrants to purchase common stock	264,801
Public warrants to purchase common stock	18,759,696
Earn-Out Shares	9,000,000
Total	32,748,194

Summary of Warrants to Purchase the Classes of Preferred Stock and Common Stock Outstanding

As of March 31, 2024, there were 403,658 such Rollover Warrants outstanding to purchase Common Stock. Upon the closing of the Business Combination, certain Legacy Allurion preferred stock and Legacy Allurion common stock warrants that were converted into Rollover Warrants were determined to be equity classified.

March 31, 2024
Issuance Date	Remaining Contractual Term (in years)		Underlying Equity Instrument	Balance Sheet Classification	Shares Issuable Upon Exercise of Warrant		Weighted Average Exercise Price
12/1/2014		0.7	Common stock	Equity		44,272	$	2.44
3/30/2021		7.0	Common stock	Liability		130,053		6.73
9/15/2022		8.5	Common stock	Liability		45,238		12.14
6/4/2022		8.2	Common stock	Liability		45,238		12.14
1/17/2017		2.8	Common stock	Equity		73,349		0.02
8/3/2017		3.3	Common stock	Equity		9,779		1.13
9/8/2017		3.4	Common stock	Liability		28,764		1.05
6/19/2018		4.2	Common stock	Liability		17,977		1.05
6/25/2019		5.2	Common stock	Liability		8,988		1.05
						403,658

December 31, 2023
Issuance Date	Remaining Contractual Term (in years)		Underlying Equity Instrument	Balance Sheet Classification	Shares Issuable Upon Exercise of Warrant		Weighted Average Exercise Price
12/1/2014		0.9	Common stock	Equity		44,272	$	2.44
3/30/2021		7.2	Common stock	Liability		130,053		6.73
9/15/2022		8.7	Common stock	Liability		45,238		12.14
6/4/2022		8.4	Common stock	Liability		45,238		12.14
1/17/2017		3.0	Common stock	Equity		73,349		0.02
8/3/2017		3.6	Common stock	Equity		9,779		1.13
9/8/2017		3.7	Common stock	Liability		28,764		1.05
6/19/2018		4.5	Common stock	Liability		17,977		1.05
6/25/2019		5.5	Common stock	Liability		8,988		1.05
						403,658