APTOF — Aptose Biosciences Inc.

OTC · Health Care · Biotechnology · CIK 882361 · Ontario, Canada
Last close
$1.68
Market Cap
$4.29M
52W High
$1.74
52W Low
$1.55
ADV30
2,195
Next earnings
Aptose Biosciences Inc., a clinical-stage biotechnology company, discovers and develops precision medicines addressing unmet medical needs in oncology primarily in the United States. The company's clinical-stage oral kinase inhibitors include tuspetinib (HM43239), a once-daily oral kinase inhibitor that has completed Phase 1/2 clinical trial targeting a select group of kinases operative in myeloid malignancies, such as acute myeloid leukemia and the higher risk myelodysplastic syndromes. It has license agreements with National Cancer Institute for the clinical development of tuspetinib; and Hanmi Pharmaceutical Co Ltd. to research, develop, and commercialize tuspetinib. The company was formerly known as Lorus Therapeutics Inc. and changed its name to Aptose Biosciences Inc. in August 2014. Aptose Biosciences Inc. was incorporated in 1986 and is headquartered in Toronto, Canada.

Quarterly Fundamentals

Revenues vs Net Income (last 4 Q)

Assets vs Liabilities (last 4 Q)

PeriodRevenuesGrossProfit OpIncomeNetIncomeAssets CashLiabilities
Dec 2025 0 -7,428,000 -7,759,000 10,012,000 935,000 37,179,000
Sep 2025 0 -4,913,000 -5,123,000 6,341,000 613,000 25,791,000
Jun 2025 0 -6,921,000 -7,043,000 5,591,000 553,000 19,962,000
Mar 2025 0 -5,461,000 -5,543,000 7,467,000 4,700,000 14,860,000

Cashflow TTM (yfinance, fills SEC gap)

Operating CF
$-21,990,000
Investing CF
$0
Financing CF
$19,379,000
CapEx
Dividends Paid
Buybacks
EPS Diluted TTM
$-18.71
As of
2026-05-10

Balance + Analyst (yfinance extras)

Retained Earnings
$-566,435,000
Inventory
Receivables
ST Investments
EBIT TTM
$-24,623,000
Pretax Income TTM
$-25,468,000
Interest Exp TTM
$84,000
Analysts

Annual Trend (SEC EDGAR, last 5y)

Revenues vs Net Income (last 5y)

FY endRevenuesOpIncome NetIncomeAssetsLiabilities EquityOCF
Dec 2025 0 -24,723,000 -25,468,000 10,012,000 37,179,000 -21,990,000
Dec 2024 0 -26,257,000 -25,430,000 10,127,000 14,670,000 -35,977,000
Dec 2023 0 -52,356,000 -51,207,000 12,989,000 15,890,000 -44,590,000
Dec 2022 0 -42,602,000 -41,823,000 51,027,000 13,286,000 -32,322,000
Dec 2021

TTM Snapshot

Revenues TTM
NetIncome TTM
OpCashFlow TTM
Assets (Latest)
Forward EPS
$-0.67

Peers — same industry

TickerNameMarket CapLastDaily %
VIVS VivoSim Labs, INC. $3.73M $1.29
CPMV Mosaic ImmunoEngineering Inc. $5.03M $0.69
CLDI Calidi Biotherapeutics, Inc. $3.42M $0.18
AIM AIM ImmunoTech Inc. $3.39M $0.23
BCAB BioAtla, Inc. $6.48M $3.91

News headlines (Yahoo Finance, 1h cache)

Aptose Reports First Quarter 2026 Results
2026-05-13 21:00 · Yahoo
Aptose Biosciences Announces Update on Anticipated Timing of Closing of the Plan of Arrangement with Hanmi Pharmaceutical
2026-04-30 11:30 · Yahoo
Aptose Biosciences Announces Results of Special Shareholders Meeting; Announces Receipt of Final Court Approval of Plan of Arrangement; Reports Year End 2025 Results and Corporate Highlights
2026-03-31 21:22 · Yahoo
Leading Independent Proxy Advisory Firm Glass Lewis Endorses Aptose Plan of Arrangement
2026-03-23 11:30 · Yahoo
Leading Independent Proxy Advisory Firm ISS Recommends Aptose Biosciences Shareholders Vote “FOR” Proposed Plan of Arrangement with Hanmi Pharmaceutical
2026-03-19 11:30 · Yahoo
Aptose Biosciences Announces Amendment to Arrangement Agreement and Details of Postponed Special Meeting of Shareholders
2026-02-24 12:00 · Yahoo
Aptose Biosciences Announces Rescheduling of Special Meeting of Shareholders to Approve the Acquisition by Hanmi Pending Final Clearance from SEC
2025-12-19 22:05 · Yahoo
Aptose’s Tuspetinib Triple Drug Therapy Featured at the 2025 ASH Annual Meeting; High Rate of Frontline Clinical Responses Continues Across AML Populations
2025-12-06 13:00 · Yahoo
Aptose Biosciences Announces Arrangement Agreement for Acquisition by Hanmi Pharmaceutical
2025-11-19 06:22 · Yahoo
Aptose Biosciences: Q3 Earnings Snapshot
2025-11-13 22:17 · Yahoo

Recent Insider Activity

No insider activity indexed for this ticker.