Mustang Bio, Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

Stockholders' Equity (February 2025 Equity Offering) (Details)

Stockholders' Equity (February 2025 Equity Offering) (Details) - USD ($)			1 Months Ended		12 Months Ended
	Feb. 05, 2025	Oct. 25, 2024	Jul. 31, 2025	Oct. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Feb. 10, 2025	Oct. 24, 2024	May 31, 2024	Apr. 29, 2024	Dec. 31, 2023
Stockholders' Equity
Common stock par value (in dollars per share)					$ 0.0001	$ 0.0001
Price per share										$ 11.85
Exercise price of warrant					$ 6.93	$ 14.56					$ 67.16
Net proceeds of offering					$ 14,500,000
Number of warrants exercised					4,536,162	747,368
Proceeds from warrant exercises					$ 7,145,000	$ 3,523,000
Number of warrants outstanding					4,678,646	1,576,919					89,618
Pre-Funded Warrants
Stockholders' Equity
Warrants issued					62,100				314,352
Exercise price of warrant					$ 0.0001
Series C-2 Warrants
Stockholders' Equity
Exercise price of warrant					$ 3.01
Number of warrants exercised					2,373,355
Series A-3 warrant
Stockholders' Equity
Warrants issued								337,552
Number of common stock, each warrant get converted							159,468
Exercise price of warrant				$ 11.85				$ 11.85
Proceeds from warrant exercises		$ 4,000,000
Exercise of warrants (in shares)				82,000
Cash fee as percentage of aggregate gross proceeds		7.00%
Management fee as percentage of gross proceeds		1.00%
Placement Agents Warrants
Stockholders' Equity
Warrants issued		20,251		20,251	7,355				20,251
Exercise price of warrant		$ 14.815
February 2025 Equity Offering
Stockholders' Equity
Issuance of common shares (in shares)	495,000
Common stock par value (in dollars per share)	$ 0.0001
Price per share	3.01
Exercise price of warrant	$ 0.0001
Net proceeds of offering	$ 6,800,000
Non accountable expense allowance	25,000
Clearing expenses	15,950
February 2025 Equity Offering \| Maximum
Stockholders' Equity
Fees and expenses	100,000
Road show expenses	$ 3,500
February 2025 Equity Offering \| Pre-Funded Warrants
Stockholders' Equity
Warrants issued	2,162,807
Number of common stock, each warrant get converted							2,162,807
Price per share	$ 3.0099
Number of warrants exercised			500,000
February 2025 Equity Offering \| Series C-1 Warrants
Stockholders' Equity
Warrants issued	2,657,807
Number of warrant to converted	1
Number of common stock, each warrant get converted	1
Warrants expiration term	5 years
February 2025 Equity Offering \| Series C-2 Warrants
Stockholders' Equity
Warrants issued	2,657,807
Number of warrant to converted	1
Number of common stock, each warrant get converted	1						5,315,614
Warrants expiration term	24 months
Number of warrants exercised			2,400,000
Number of warrants outstanding					284,452
February 2025 Equity Offering \| Pre-funded and series C-2 warrants
Stockholders' Equity
Proceeds from warrant exercises			$ 7,100,000
Exercise of warrants (in shares)			2,900,000
February 2025 Equity Offering \| Series A-3 warrant
Stockholders' Equity
Cash fee as percentage of aggregate gross proceeds	7.00%
Management fee as percentage of gross proceeds	1.00%
February 2025 Equity Offering \| Placement Agents Warrants
Stockholders' Equity
Number of common stock, each warrant get converted	159,468
Exercise price of warrant	$ 3.7625
Offering percentage sold	6.00%
Offering percentage	125.00%
Termination of warrant	5 years