DELTA CHASE, LLC

WEST CHESTER, OH · Founded 2017 · Medtech · Private

SAGE Rebreather — a specialty mask that recycles exhaled CO2 to maintain elevated body CO2 levels

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Updated · deltachase.com

Sector
Medtech
Headquarters
WEST CHESTER, OH
Founded
2017
Latest Form D
$5M offered, Aug 2025
Total capital
$399K
Federal grants
$249K
1 award · 2026
Rank in peer group#248 of 542
Private capital raised
$150K
3 Form D · last Aug 2025
14 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

20182020202220242026FEDERAL ↑EQUITY ↓Cumulative $10.4M$249K1st Form D$5M2nd Form D$150K3rd Form D$5M
20182020202220242026FEDERAL ↑EQUITY ↓Cumulative $10.4M$249K1st Form D$5M3rd Form D$5M

Latest events

  • Federal grantDefense · Phase I · Small Business Innovation Research (SBIR) Phase I Topic A254-P039, Xtechsearch 9.$249K
  • Offering registeredForm D · SEC · 3rd filing$5M
  • Private capital raisedForm D · SEC · 2nd filing$150K
  • Offering registeredForm D · SEC · 1st filing$5M

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 542 peers

Line = median

Medtech · Device

  • Federal grants#248 · top 46%

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

From SEC Form D filings
  • Brian EveDirectorNamed in SEC Form D filings
  • David SmithExecutive Officer, PromoterNamed in SEC Form D filings
  • NEIL KOSTERMANExecutive Officer, PromoterNamed in SEC Form D filings
  • Peter GalletlyExecutive OfficerNamed 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 .