Microcap Ledger

Tickers · $PASG

Passage BIO, Inc. $PASG

By Microcap Ledger desk · CIK 0001787297

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
Biological Products, (No Diagnostic Substances)
Headquarters
Philadelphia, PA
Fiscal year end
December 31
Shares outstanding
3,217,810 [10-Q 2026-08-10]
as of 2026-08-05

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

What the company doesAI summary of filing

Passage BIO, Inc. is a clinical-stage genetic medicines company developing one-time gene therapies for neurodegenerative diseases. The company's lead program, PBFT02, is an AAV1-based gene replacement therapy in Phase 1/2 clinical trials (upliFT-D) for frontotemporal dementia caused by progranulin deficiency (FTD-GRN), with expansion cohorts planned for FTD-C9orf72 and potential future development in amyotrophic lateral sclerosis and Alzheimer's disease. The company also has a preclinical research program through collaboration with Gemma Biotherapeutics to develop a genetic medicine for Huntington's disease. Passage BIO does not currently generate revenue and is pre-revenue, funding operations through research and clinical development activities. [10-K 2026-03-03]

Segments: PBFT02 for FTD-GRN (clinical stage), PBFT02 for FTD-C9orf72 (clinical development), PBFT02 for ALS and AD (research stage), Huntington's disease program (preclinical)

Financial health

From XBRL company facts (USD)
PeriodRevenueNet incomeOperating cash flowCashFiling
6 months to Jun 2026—−$15.38M −$22.17M$24.16M[S-4/A 2026-09-03]
FY ended Dec 2025—−$45.52M −$31.51M$46.30M[S-4/A 2026-09-03]
FY ended Dec 2024—−$64.77M −$47.96M$37.57M[S-4/A 2026-09-03]
Quarterly cash burn
−$11.08M
Cash runway Estimate
~6.5 months

Estimate: cash at the end of the period (6 months to Jun 2026) divided by the average monthly operating cash outflow over that period. Ignores any cash raised or spent since, and any financing.

Capital structure and dilution

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

Share count
DateShares outstandingFiling
2024-11-0861,767,286[10-Q 2024-11-13]
2025-02-2762,148,274[10-K 2025-03-04]
2025-05-0862,148,274[10-Q 2025-05-13]
2025-08-073,178,710[10-Q 2025-08-12]
2025-11-063,178,710[10-Q 2025-11-10]
2026-02-263,207,810[10-K 2026-03-03]
2026-05-073,207,810[10-Q 2026-05-12]
2026-08-053,217,810[10-Q 2026-08-10]
Shelf registration
S-3 filed 2024-03-04; declared effective 2024-04-16 [S-3 2024-03-04]

Listing status

Current status: 1 Form 8-K Item 3.01 filing(s) in the last 24 months, most recent 2025-01-31. Item 3.01 covers delisting notices, failures to meet a listing rule and listing transfers; read the filing for which one.

DateEventDetailsDeadlineFiling
2025-01-318-K Item 3.01Notice of delisting or failure to satisfy a continued listing rule or standard; or transfer of listing—[8-K 2025-01-31]

More on deficiency notices and uplistings: Listing status desk.

Who owns it

Recent Form 4 transactions
DateInsiderTypeSharesPriceFiling
2026-06-25Lynx1 Capital Management Lpbuy50,055$4.12[4 2026-06-29]

Catalysts and calendar

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