Microcap Ledger

Tickers · $MBIO

Mustang BIO, Inc. $MBIO

By Microcap Ledger desk · CIK 0001680048

Facts as of . Built from SEC filings and our own data. Small caps move fast; check the latest filings.

Snapshot

Exchange
Nasdaq Capital Market
Sector
Pharmaceutical Preparations
Headquarters
Waltham, MA
Fiscal year end
December 31

Sources: [10-K 2026-03-19]

What the company doesAI summary of filing

Mustang Bio is a clinical-stage biopharmaceutical company developing therapies for solid tumors, particularly malignant brain cancers. The company licenses technologies from research institutions including City of Hope and Nationwide Children's Hospital and is advancing two main product candidates: MB-101, an IL13Rα2-targeted CAR T cell therapy, and MB-108, an HSV-1 oncolytic virus therapy, with a planned combination study (MB-109) potentially initiating in the second quarter of 2026. The company has not generated any product revenue and has accumulated losses of $398.6 million as of December 31, 2025; it generates no revenue and is entirely dependent on raising capital to fund development. [10-K 2026-03-19]

Segments: MB-101 (IL13Rα2 CAR T cell therapy), MB-108 (HSV-1 oncolytic virus therapy), MB-109 (MB-101 and MB-108 combination therapy)

Financial health

From XBRL company facts (USD)
PeriodRevenueNet incomeOperating cash flowCashFiling
6 months to Jun 2026—−$2.03M −$1.98M$15.15M[10-Q 2026-08-05]
FY ended Dec 2025—−$1.92M −$5.26M$17.27M[10-K 2026-03-19]
FY ended Dec 2024—−$15.75M −$11.41M$6.84M[10-K 2026-03-19]
Quarterly cash burn
−$987.5K

Capital structure and dilution

Summary only. How these instruments work: Dilution & financing desk.

Shelf registration
S-1 filed 2025-01-15; declared effective 2025-04-11 [S-1 2025-01-15]

Listing status

Current status: 2 Form 8-K Item 3.01 filing(s) in the last 24 months, most recent 2026-04-17. Item 3.01 covers delisting notices, failures to meet a listing rule and listing transfers; read the filing for which one.

DateEventDetailsDeadlineFiling
2026-04-178-K Item 3.01Notice of delisting or failure to satisfy a continued listing rule or standard; or transfer of listing—[8-K 2026-04-17]
2024-11-158-K Item 3.01Notice of delisting or failure to satisfy a continued listing rule or standard; or transfer of listing—[8-K 2024-11-15]

More on deficiency notices and uplistings: Listing status desk.

Who owns it

Recent Form 4 transactions
DateInsiderTypeSharesPriceFiling
2026-04-24Litchman Manuel Mdother19$0.75[4 2026-04-27]
2026-01-02Fortress Biotech, Inc.grant278,385—[4 2026-01-05]
2025-12-30Herskowitz Neilsell247$0.96[4 2025-12-30]
2025-12-30Chill Adam J.sell4$0.95[4 2025-12-30]
2025-12-30Jin Davidbuy247$0.96[4 2025-12-30]

Catalysts and calendar

Recent filings and releases
DateTypeTitle
2026-08-0510-QQuarterly report
2026-05-0510-QQuarterly report
2026-04-178-KListing notice or transfer
2026-03-1910-KAnnual report
2026-01-0513D/ABeneficial ownership report (5%+ holder)
2025-12-238-KShareholder vote results; Other events
2025-12-03DEF 14AProxy statement
2025-11-0710-QQuarterly report

Facts as of . Small caps move fast; check the latest filings.