LPTX insider transaction filings

LEAP THERAPEUTICS, INC. — 49 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2025-07-01. Screen LPTX transaction legs live →

Insider transaction summary — last 90 days

No Form 4 filings for LPTX between 2026-06-24 and 2026-09-22. The table below lists the most recent filings on record.

Recent Form 4 filings — LEAP THERAPEUTICS, INC.

FiledFormInsiderReported transactionsSource
2025-07-014Baum Jason — Chief Scientific OfficerHoldings only — no transactions reportedEDGAR
2025-07-014O'Mahony John Mark — Chief Manufacturing OfficerHoldings only — no transactions reportedEDGAR
2025-07-014LAWLOR AUGUSTINE — Chief Operating OfficerHoldings only — no transactions reportedEDGAR
2025-04-014Granfield Christine — VP, Head of Reg Affairs/QualOption exercise (M): 22,500 · Tax withholding (F): 6,604 @ $0.32 · Option exercise (M): 22,500 (derivative) @ $0EDGAR
2025-04-014Baum Jason — Chief Scientific OfficerOption exercise (M): 22,500 · Tax withholding (F): 6,604 @ $0.32 · Option exercise (M): 22,500 (derivative) @ $0EDGAR
2025-04-014O'Mahony John Mark — Chief Manufacturing OfficerOption exercise (M): 22,500 · Option exercise (M): 22,500 (derivative) @ $0EDGAR
2025-04-014Sirard Cynthia — Chief Medical OfficerOption exercise (M): 22,500 · Option exercise (M): 22,500 (derivative) @ $0EDGAR
2025-04-014Mirabelli Christopher — Chairman of the Board, DirectorOption exercise (M): 22,500 · Tax withholding (F): 6,672 @ $0.32 · Option exercise (M): 22,500 (derivative) @ $0EDGAR
2025-04-014ONSI DOUGLAS E — CEO,CFO,Pres.,GC,Treas.&Sec., DirectorOption exercise (M): 32,500 · Option exercise (M): 32,500 (derivative) @ $0EDGAR
2025-04-014LAWLOR AUGUSTINE — Chief Operating OfficerOption exercise (M): 22,500 · Tax withholding (F): 7,797 @ $0.32 · Option exercise (M): 22,500 (derivative) @ $0EDGAR
2024-11-154ONSI DOUGLAS E — CEO,CFO,Pres.,GC,Treas.&Sec., DirectorOption exercise/expiry (X): 2,136 @ $2.82 · Option exercise/expiry (X): 2,136 (derivative) @ $0EDGAR
2024-11-154LAWLOR AUGUSTINE — Chief Operating OfficerOption exercise/expiry (X): 2,136 @ $2.82 · Option exercise/expiry (X): 2,136 (derivative) @ $0EDGAR
2024-11-154Mirabelli Christopher — Chairman of the Board, DirectorOption exercise/expiry (X): 2,136 @ $2.82 · Option exercise/expiry (X): 2,136 (derivative) @ $0EDGAR
2024-11-154CAVANAUGH JAMES H — DirectorOption exercise/expiry (X): 213 @ $2.82 · Option exercise/expiry (X): 213 (derivative) @ $0EDGAR
2024-10-044Granfield Christine — VP, Head of Reg Affairs/QualGrant/award (A): 85,000 (derivative) @ $0EDGAR
2024-10-044Sirard Cynthia — Chief Medical OfficerGrant/award (A): 85,000 (derivative) @ $0EDGAR
2024-10-044Schilsky Richard — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-10-044Richard Christian M — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-10-044Martin Patricia A. — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-10-044O'Mahony John Mark — Chief Manufacturing OfficerGrant/award (A): 85,000 (derivative) @ $0EDGAR
2024-10-044Dietz Thomas John — DirectorGrant/award (A): 30,000 (derivative) @ $0EDGAR
2024-10-044Baum Jason — Chief Scientific OfficerGrant/award (A): 85,000 (derivative) @ $0EDGAR
2024-10-044Mashiach Nissim — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-10-044LOSCALZO JOSEPH — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-10-044LI WILLIAM — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-10-044ONSI DOUGLAS E — CEO,CFO,Pres.,GC,Treas.,&Sec., DirectorGrant/award (A): 170,000 (derivative) @ $0EDGAR
2024-10-044LAWLOR AUGUSTINE — Chief Operating OfficerGrant/award (A): 85,000 (derivative) @ $0EDGAR
2024-10-044Mirabelli Christopher — DirectorGrant/award (A): 85,000 (derivative) @ $0EDGAR
2024-10-044CAVANAUGH JAMES H — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-01-314Dietz Thomas John — DirectorGrant/award (A): 30,000 (derivative) @ $0EDGAR
2024-01-314Schilsky Richard — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-01-314Granfield Christine — VP, Head of Reg Affairs/QualGrant/award (A): 85,000 (derivative) @ $0EDGAR
2024-01-314Baum Jason — Chief Scientific OfficerGrant/award (A): 85,000 (derivative) @ $0EDGAR
2024-01-314Richard Christian M — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-01-314O'Mahony John Mark — Chief Manufacturing OfficerGrant/award (A): 85,000 (derivative) @ $0EDGAR
2024-01-314Sirard Cynthia — Chief Medical OfficerGrant/award (A): 85,000 (derivative) @ $0EDGAR
2024-01-314Martin Patricia A. — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-01-314Mashiach Nissim — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-01-314LOSCALZO JOSEPH — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-01-314LI WILLIAM — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-01-314ONSI DOUGLAS E — CEO,CFO,Pres.,GC,Treas.,&Sec., DirectorGrant/award (A): 170,000 (derivative) @ $0EDGAR
2024-01-314LAWLOR AUGUSTINE — Chief Operating OfficerGrant/award (A): 85,000 (derivative) @ $0EDGAR
2024-01-314Mirabelli Christopher — Chairman of the Board, DirectorGrant/award (A): 85,000 (derivative) @ $0EDGAR
2024-01-314CAVANAUGH JAMES H — DirectorGrant/award (A): 25,000 (derivative) @ $0EDGAR
2024-01-304O'Mahony John Mark — Chief Manufacturing OfficerOption exercise (M): 5,000 · Option exercise (M): 5,000 (derivative) @ $0EDGAR
2024-01-304Sirard Cynthia — Chief Medical OfficerOption exercise (M): 5,000 · Option exercise (M): 5,000 (derivative) @ $0EDGAR
2024-01-304ONSI DOUGLAS E — CEO,CFO,Pres.,GC,Treas.,&Sec., DirectorOption exercise (M): 7,500 · Option exercise (M): 7,500 (derivative) @ $0EDGAR
2024-01-304LAWLOR AUGUSTINE — Chief Operating OfficerOption exercise (M): 5,000 · Option exercise (M): 5,000 (derivative) @ $0EDGAR
2024-01-304Mirabelli Christopher — Chairman of the Board, DirectorOption exercise (M): 5,000 · Option exercise (M): 5,000 (derivative) @ $0EDGAR

Recent 8-K events — LEAP THERAPEUTICS, INC.

FiledFormItems reportedSource
2026-09-228-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-09-028-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-08-188-K1.01 — Entry into a Material Definitive Agreement
3.02 — Unregistered Sales of Equity Securities
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-08-128-K2.02 — Results of Operations and Financial Condition
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-07-218-K3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of ListingEDGAR
2026-06-228-K5.07 — Submission of Matters to a Vote of Security Holders
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-268-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-148-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-108-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
2026-03-168-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
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