Circulate Inc.
- Sector
- Medtech
- Headquarters
- WELLESLEY HILLS, MA
- Founded
- 2019
- Latest Form D
- $938K, Jun 2019
- Total capital
- $938K
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $938K
- 1 Form D · last Jun 2019
- 88 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- None on recordNo USPTO grants. Applications publish after 18 months.
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 1st filing$938K
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.
Founders and team
From SEC Form D filings- David A. PaceExecutive Officer, DirectorNamed in SEC Form D filings
- James A. Calhoun, Jr.Executive Officer, DirectorNamed in SEC Form D filings
What it has protected
No granted patents are on record.
USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.
Checked: USPTO granted patents and published applications · Oct 23, 2026
Related companies, and why
- SYMBIOS TECHNOLOGIES INC.Similar federal contract value in Medtech · null in contracts
- EYE AMERICA LLCSimilar federal contract value in Medtech · null in contracts
- Novascan Inc.Similar federal contract value in Medtech · null in contracts
- Linshom Medical Inc.Similar federal contract value in Medtech · null in contracts
- CLEARCAM INCSimilar federal contract value in Medtech · null in contracts
- LOGAN RESEARCHSimilar federal contract value in Medtech · null in contracts
Regulatory activity · Medtech
- New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
- Medical Devices; General and Plastic Surgery Devices; Classification of the Skin Patch for Treatment of HyperhidrosisFood and Drug Administration
- Medical Devices; Anesthesiology Devices; Classification of the Monitor for Opioid Induced Impairment of OxygenationFood and Drug Administration
- Medical Devices; Orthopedic Devices; Classification of the Medial Knee Implanted Shock AbsorberFood and Drug Administration
- Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
- Medical 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 . SBIR and STTR awards through .