Spinethera, Inc.

PLYMOUTH, MN · Founded 2011 · Medtech · Private

Sustained-release biodegradable microparticle steroid formulation for epidural injection

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Updated · frenellepharma.com

Sector
Medtech
Headquarters
PLYMOUTH, MN
Founded
2011
Latest Form D
$1.2M, Dec 2021
Total capital
$11.8M
Federal grants
$225K
1 award · 2015
Rank in peer group#17 of 23
Private capital raised
$11.5M
7 Form D · last Dec 2021
59 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

20142015201620172018201920202021FEDERAL ↑EQUITY ↓Cumulative $11.8M$225K2nd Form D$2.4M4th Form D$2M6th Form D$2M7th Form D$1.2M
2014201620182020FEDERAL ↑EQUITY ↓Cumulative $11.8M$225K2nd Form D$2.4M

Latest events

  • Private capital raisedForm D · SEC · 7th filing$1.2M
  • Private capital raisedForm D · SEC · 6th filing$2M
  • Private capital raisedForm D · SEC · 5th filing$3M
  • Private capital raisedForm D · SEC · 4th filing$2M
  • Private capital raisedForm D · SEC · 3rd filing$400K
  • Private capital raisedForm D · SEC · 2nd filing$2.4M
  • Federal grantHealth and Human S · Phase I · Sustained release steroid to reduce frequent epidural injections for back pain$225K
  • Private capital raisedForm D · SEC · 1st filing$585K

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 23 peers

Line = median

Medtech · Molecule

  • Federal grantsBelow median

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
  • Jeffrey MisslingResearcherExecutive Officer, DirectorLinked by $225K in grants as PI
  • David K. WoodDirectorNamed in SEC Form D filings
  • Jeff MisslingExecutive Officer, DirectorNamed in SEC Form D filings
  • JeromeDirectorNamed in SEC Form D filings
  • John K. FosterDirectorNamed in SEC Form D filings
  • John RengerDirectorNamed in SEC Form D filings
Show all 7 people
  • Wayne K. KellyDirectorNamed 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

Regulatory activity · Medtech

Sector-level, not company-level

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 .