Purple Biotech
PPBTNASDAQUSD
- — Source valuation snapshot. Not a live recalculation.
- — Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
- — Diluted earnings per share from the latest filed annual.
- $1.34 Prior regular-session close from the quote source.
- $1.28–$1.33 Regular-session low and high so far today.
- 2.6K Regular-session shares traded · Nov 11, 11:37 AM ET.
- Not yet confirmed The company has not confirmed its next report date. Reported quarters are available in the chart’s Earnings view.
- $0.91–$8.90 52-week trading low and high returned by the quote source.
Understand the Business
Why the Stock Moved
Period-matched expectations history is not yet available. Current metrics are not a substitute for a historical explanation.
The core investment thesis
Own PPBT if its drug-development assets produce validation before cash runway and dilution risk overwhelm shareholders.
PPBT price history
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INVESTMENT THESIS
What must happen next
Financial flexibility is the gating asset: Purple Biotech can keep its development-stage pipeline option alive only if cash can be replenished or conserved faster than clinical work consumes it.HoldingMateriality: High
IFRS cash and cash equivalents were $8.717 million at FY2025 year-end, up from $7.401 million at FY2024 year-end. If runway holds, shareholders keep exposure to upside catalysts; if it does not, dilution or forced program cuts can erase most of the option value.
Watch: A clinical program requires a larger trial or added manufacturing work without a partner or grant funding it.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
IFRS cash and cash equivalents were $8.717 million at FY2025 year-end, up from $7.401 million at FY2024 year-end.
Open source ↗Management’s ability to prioritize spending and reduce operating burn is central to the thesis because a pre-commercial biotech needs time for data or partnering events without exhausting the balance sheet.StrengtheningMateriality: High
IFRS annual operating cash flow improved from -$19.925 million in FY2023 to -$14.367 million in FY2024. Lower burn extends the window for asymmetric upside; renewed spending without validation shortens runway and raises dilution risk.
Watch: The company restarts or expands expensive oncology trials before securing external funding.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
IFRS annual operating cash flow improved from -$19.925 million in FY2023 to -$14.367 million in FY2024.
Open source ↗The equity story requires external validation of the pipeline because the balance sheet alone is shrinking and cannot support a long, internally funded drug-development cycle.WeakeningMateriality: Medium
IFRS equity fell from $32.911 million at FY2024 year-end to $9.659 million at FY2025 year-end. Validation through clinical data, licensing, or partnership can reset value; lack of validation leaves shareholders exposed to asset erosion and dilution.
Watch: A larger pharmaceutical partner declines to license or co-develop the company’s lead asset after reviewing data.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
IFRS equity fell from $32.911 million at FY2024 year-end to $9.659 million at FY2025 year-end.
Open source ↗Until a product, license, or milestone stream produces repeatable inflows, Purple Biotech’s reported results will remain driven by development spending and one-off items rather than a compounding commercial earnings engine.StrengtheningMateriality: Medium
IFRS net income was negative in FY2022, FY2023, FY2024, and FY2025. Owners should underwrite catalyst probability and financing risk, not near-term earnings multiples.
Watch: A licensing deal creates recurring milestones, royalties, or a meaningful upfront payment tied to a validated asset.
Supporting sources
Source notes are factual paraphrases; read the original disclosures below.
IFRS net income was negative in FY2022, FY2023, FY2024, and FY2025.
Open source ↗
Full investment case & evidence
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Original research
Financial flexibility is the gating asset: Purple Biotech can keep its development-stage pipeline option alive only if cash can be replenished or conserved faster than clinical work consumes it. If runway holds, shareholders keep exposure to upside catalysts; if it does not, dilution or forced program cuts can erase most of the option value.
Management’s ability to prioritize spending and reduce operating burn is central to the thesis because a pre-commercial biotech needs time for data or partnering events without exhausting the balance sheet. Lower burn extends the window for asymmetric upside; renewed spending without validation shortens runway and raises dilution risk.
The equity story requires external validation of the pipeline because the balance sheet alone is shrinking and cannot support a long, internally funded drug-development cycle. Validation through clinical data, licensing, or partnership can reset value; lack of validation leaves shareholders exposed to asset erosion and dilution.
Until a product, license, or milestone stream produces repeatable inflows, Purple Biotech’s reported results will remain driven by development spending and one-off items rather than a compounding commercial earnings engine. Owners should underwrite catalyst probability and financing risk, not near-term earnings multiples.
All standing thesis claims
Original report summary
its drug-development assets produce validation before cash runway and dilution risk overwhelm shareholders.
BULL CASE / BEAR CASE
Bull case and bear case for Purple Biotech
Where the evidence on Purple Biotech disagrees: Mixed on the latest evidence (Nov 10, 2026). Of its 4 thesis points, 2 strengthening, 1 holding and 1 weakening.
Bull case: what the evidence supports
Financial flexibility is the gating asset: Purple Biotech can keep its development-stage pipeline option alive only if cash can be replenished or conserved faster than clinical work consumes it.
Management’s ability to prioritize spending and reduce operating burn is central to the thesis because a pre-commercial biotech needs time for data or partnering events without exhausting the balance sheet.
Until a product, license, or milestone stream produces repeatable inflows, Purple Biotech’s reported results will remain driven by development spending and one-off items rather than a compounding commercial earnings engine.
Bear case: what the evidence questions
The equity story requires external validation of the pipeline because the balance sheet alone is shrinking and cannot support a long, internally funded drug-development cycle.
Thesis-Break Engine
Thesis-break watch · Purple Biotech
No break has crossed Purple Biotech’s thesis. Its break conditions are checked against every new filing as it lands.
MARKET + FINANCIAL SNAPSHOT
The numbers behind the thesis
What Changed
- MIXEDREPORT OF FOREIGN PRIVATE ISSUER.
Purple Biotech filed an SEC report on 2026-10-05: REPORT OF FOREIGN PRIVATE ISSUER. It is a dated development that tests the current thesis.
- MIXEDREPORT OF FOREIGN PRIVATE ISSUER.
Purple Biotech filed an SEC report on 2026-09-09: REPORT OF FOREIGN PRIVATE ISSUER. It is a dated development that tests the current thesis.
- MIXEDREPORT OF FOREIGN PRIVATE ISSUER.
Purple Biotech filed an SEC report on 2026-09-02: REPORT OF FOREIGN PRIVATE ISSUER. It is a dated development that tests the current thesis.
RISKS / FALSIFIERS
What could break the thesis
- A clinical program requires a larger trial or added manufacturing work without a partner or grant funding it.
- The company restarts or expands expensive oncology trials before securing external funding.
- A larger pharmaceutical partner declines to license or co-develop the company’s lead asset after reviewing data.
- A licensing deal creates recurring milestones, royalties, or a meaningful upfront payment tied to a validated asset.
PPBT news
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FINANCIAL STATEMENTS
PPBT income statement
Annual filed results · USD · Oldest to newest. Margins are calculated from the reported figures.
PPBT: quick answers
- What is PPBT's short interest?
- As of October 30, 2026, 15,729 PPBT shares were sold short, down 3.8% from the count before. At the stock's average daily volume that is 1.0 day to cover. FINRA publishes the count twice a month. PPBT short interest history
