Stock Award Plans and Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2025

Stock Award Plans and Stock-Based Compensation [Abstract]

Schedule of Stock Options Granted

See below for a summary of the stock options granted under the 2011, 2017 and 2018 plans:

	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Value (In millions)
Beginning balance as of January 1, 2025		51,185		$	455.00		9.3	$	—
Granted		10,668,256			1.95
Exercised		—
Expired		—
Forfeited		(2,485	)		2,476.56
Ending balance as of September 30, 2025		10,716,956		$	3.54		9.9	$	—
Options vested and exercisable as of September 30, 2025		3,654,641		$	4.63		9.9	$	—

Schedule of Granted Options

Options were granted as follows:

Grantee	Grant Date	Vesting Start Date	Options Granted
Chief Executive Officer of XTI Aerospace, Inc.	9/4/2025	9/4/2025		2,621,100
Chief Financial Officer of XTI Aerospace, Inc.	9/4/2025	9/4/2025		1,512,200
Chief Executive Officer of the XTI Aerospace, Inc. Real-Time Location System Division	9/4/2025	9/4/2025		78,000
Chief Operating Officer of XTI Aerospace, Inc.	9/4/2025	9/4/2025		1,613,000
Chief Strategy Officer of XTI Aerospace, Inc.	9/4/2025	9/4/2025		1,512,200
Total Granted				7,336,500

Schedule of Fair Values of Options

The following assumptions were used in estimating the fair values of options awarded during the nine months ended September 30, 2025:

Fair value of common stock	$1.50 - $2.00
Exercise price	$1.50 - $2.00
Expected term	5.47 years
Volatility	98.91% - 99.42%
Risk-free interest rate	3.62% - 3.71%
Dividend yield	— %

Schedule of Stock-based Compensation Charges

The Company incurred the following stock-based compensation charges for the periods indicated below (in thousands):

	For the Three Months Ended September 30,					For the Nine Months Ended September 30,
	2025		2024			2025		2024
Employee and consultant stock options1	$	6,301	$	(2,159	)	$	7,234	$	(2,075	)
Vesting of previously unvested warrants2		—		—			—		270
Professional fees2		49		270			293		496
Merger-related professional fees		—		—			—		5,153
Total	$	6,350	$	(1,889	)	$	7,527	$	3,844

¹ Amount included in general and administrative expenses on the condensed consolidated statements of operations.

² Amount included in merger-related transaction costs on the condensed consolidated statements of operations for the three and nine months ended September 30, 2024.  Amount included in general and administrative expenses on the condensed consolidated statements of operations for the three and nine months ended September 30, 2025.