Mustang Bio, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Stockholders' Equity (Warrants Activity and Induced Warrant Exercise) (Details)

v3.25.3

Stockholders' Equity (Warrants Activity and Induced Warrant Exercise) (Details) - $ / shares	1 Months Ended	9 Months Ended	12 Months Ended
	Jul. 31, 2025	Sep. 30, 2025	Dec. 31, 2024	Feb. 10, 2025	Feb. 05, 2025
Stockholders' Equity
Warrants Outstanding, beginning		1,576,919
Warrants Exercised		(4,536,162)
Warrants Granted		7,637,889
Warrants Outstanding, ending		4,678,646	1,576,919
Weighted Average Exercise Price (in dollars per share)		$ 6.93	$ 14.56
Weighted Average Exercise Price , Exercised during the period (in dollars per share)		1.57
Weighted Average Exercise Price , Granted during the period (in dollars per share)		$ 2.17
Warrants outstanding, remaining contractual life		3 years 7 months 2 days	3 years 1 month 20 days
Warrants granted, remaining contractual life		2 years 2 months 1 day
February 2025 Equity Offering
Stockholders' Equity
Weighted Average Exercise Price (in dollars per share)					$ 0.0001
Pre-Funded Warrants
Stockholders' Equity
Weighted Average Exercise Price (in dollars per share)		$ 0.0001
Pre-Funded Warrants \| February 2025 Equity Offering
Stockholders' Equity
Warrants Exercised	(500,000)
Warrants issued				2,162,807	2,162,807
Series C1 And Series C2 Warrants \| February 2025 Equity Offering
Stockholders' Equity
Warrants issued				5,315,614
Placement Agents Warrants
Stockholders' Equity
Warrants issued				159,468
Placement Agents Warrants \| February 2025 Equity Offering
Stockholders' Equity
Weighted Average Exercise Price (in dollars per share)					$ 3.7625
Warrants issued					159,468
Series C-2 Warrants
Stockholders' Equity
Warrants Exercised		2,373,355
Weighted Average Exercise Price (in dollars per share)		$ 3.01
Series C-2 Warrants \| February 2025 Equity Offering
Stockholders' Equity
Warrants Exercised	(2,400,000)
Warrants Outstanding, ending		284,452
Warrants issued					2,657,807

- Definition

The number of warrants or rights exercised during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	mbio_
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- Definition

The number of warrants or rights granted during the period.

+ References

No definition available.

+ Details

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of warrants that were exercised during the period.

+ References

No definition available.

+ Details

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of warrants that were granted during the period.

+ References

No definition available.

+ Details

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- Definition

The weighted average remaining contractual life for warrants outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	mbio_
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- Definition

The weighted average remaining contractual life for warrants granted during the period.

+ References

No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-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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- Definition

Number of warrants or rights outstanding.

+ References

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