Harpoon Medical, Inc.

Baltimore, MD · Founded 2013 · Medtech · Acquired

Minimally invasive, image-guided device for beating-heart mitral valve repair via keyhole incision, delivering artificial chordae tendineae (neochords) to repair prolapsed mitral valve leaflets.

Claim this profile

Follows are private to you and power your alerts

Updated Oct 23, 2026

Sector: Medtech
Headquarters: Baltimore, MD
Founded: 2013
Latest Form D: $3.9M, Jan 2016
Total capital: $9.7M

Federal grants: $1.9M; 3 awards · 2016–2017; Rank in peer group#107 of 477
Private capital raised: $7.8M; 2 Form D · last Jan 2016; 130 months since last filing
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 8; 4 pending · first 2020; Rank in peer group#35 of 477

Capital timeline

Latest events

Aug 2017Federal grantHealth and Human S · Phase II · Innovative Image-Guided Device for Beating Heart Mitral Valve Repair$95K
Sep 2016Federal grantHealth and Human S · Phase II · Innovative Image Guided Device for Beating Heart Mitral Valve Repair$925K
Sep 2016Federal grantHealth and Human S · Phase II · Innovative Image-Guided Device for Beating Heart Mitral Valve Repair$830K
Jan 2016Private capital raisedForm D · SEC · 2nd filing$3.9M
Aug 2014Private capital raisedForm D · SEC · 1st filing$3.9M

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 477 peers

Line = median

Medtech · Device

Federal grants#107 · top 22%
Granted patents#35 · top 7%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

Researcher links verified by same-company patents and grants

James GammieResearcherDirectorLinked by 1 patent
James CoxDirectorNamed in SEC Form D filings
Kyparissia SirinakisDirectorNamed in SEC Form D filings
Mark CollinsExecutive OfficerNamed in SEC Form D filings
Peter BoydExecutive OfficerNamed in SEC Form D filings
William NilandExecutive Officer, DirectorNamed in SEC Form D filings

What it has protected

USPTO · 8 granted of 12

May 22, 2025PendingTissue Anchor DeploymentUSPTOApplication 19031342
Jan 21, 2025GrantedTissue Anchor DeploymentUSPTOUS 12,201,525
Apr 2, 2024GrantedDelivery Devices For Forming A Distal Anchor For Mitral Valve RepairUSPTOUS 11,944,540

Show all 12 patent records

Tissue Anchor DeploymentMay 22, 2025 · Application 19031342Pending
Tissue Anchor DeploymentJan 21, 2025 · US 12,201,525Granted
Delivery Devices For Forming A Distal Anchor For Mitral Valve RepairApr 2, 2024 · US 11,944,540Granted
Method And Apparatus For Cardiac ProceduresDec 5, 2023 · US 11,833,048Granted
Method And Apparatus For Transapical Procedures On A Mitral ValveJun 20, 2023 · US 11,678,872Granted
Short-throw Tissue Anchor DeploymentJun 13, 2023 · US 11,672,662Granted
Method And Apparatus For Cardiac ProceduresJul 20, 2021 · US 11,065,120Granted
Distal Anchor Apparatus And Methods For Mitral Valve RepairDec 15, 2020 · US 10,864,080Granted
Distal Anchor Apparatus And Methods For Mitral Valve RepairSep 8, 2020 · US 10,765,515Granted
Distal Anchor Apparatus And Methods For Mitral Valve RepairApplication 62482468Pending
Method And Apparatus For Cardiac ProceduresApplication PCTUS2018056906Pending
Method And Apparatus For Cardiac ProceduresApplication 62521784Pending

IVIEW Therapeutics IncSimilar federal contract value in Medtech · null in contracts
SENTIAR, INC.Similar federal contract value in Medtech · null in contracts
ZETAGEN THERAPEUTICS, INC.Similar federal contract value in Medtech · null in contracts
VADOVATIONS, INC.Similar federal contract value in Medtech · null in contracts
VELLUM BIOSCIENCES LLCSimilar federal contract value in Medtech · null in contracts
ABREOS BIOSCIENCES, INC.Similar federal contract value in Medtech · null in contracts

Regulatory activity · Medtech

Sector-level, not company-level

07 Jul 2026New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
30 Jun 2026Medical Devices; General and Plastic Surgery Devices; Classification of the Skin Patch for Treatment of HyperhidrosisFood and Drug Administration
30 Jun 2026Medical Devices; Anesthesiology Devices; Classification of the Monitor for Opioid Induced Impairment of OxygenationFood and Drug Administration
29 Jun 2026Medical Devices; Orthopedic Devices; Classification of the Medial Knee Implanted Shock AbsorberFood and Drug Administration
26 Jun 2026Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
26 Jun 2026Medical Devices; General Hospital and Personal Use Devices; Classification of the Infant Supine Sleep SystemFood and Drug Administration

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.