Xcout IntelDELTA CHASE, LLC
Delta Chase, LLC is a research and development company that is designing the SAGE Rebreather, a novel multi-modal platform medical device intended to safely elevate the body's carbon dioxide levels. The device is being developed to treat and alleviate conditions such as sleep apnea, altitude illness, and brain injuries, though its claims have not yet been authorized by the FDA.
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DELTA CHASE, LLC at a glance
DELTA CHASE, LLC is a medical devices company headquartered in United States. It has raised at least $10.2M across the 3 funding rounds on record. Its most recent funding round raised $5M in August 2025. Xcout tracks 7 named people at DELTA CHASE, LLC, including Neil Kosterman (Manager and COO of Issuer).
DELTA CHASE, LLC leadership
- Neil KostermanManager and COO of Issuer
- David W. SmithMD
- David SmithExecutive Officer
- Neil KostermanExecutive Officer
- Neil M. KostermanCFMS
- Brian EveDirector
1 more named person on record for DELTA CHASE, LLC, with roles, board committees and tenure — see the full roster →
DELTA CHASE, LLC funding rounds
At least $10.2M raised across the 3 rounds on record. Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| SEC Form D filing | $5M | — | |
| SEC Form D filing | $150,000 | — | |
| SEC Form D filing | $5M | — |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
DELTA CHASE, LLC competitors
A few of DELTA CHASE, LLC's closest competitors — see the full list of competitors and alternatives →
Rapid Oxygen Co., LLC, led by CEO Richard Imbruce and based in Brooklyn, New York, is commercializing safe portable chemical oxygen delivery systems.
RTM Vital Signs LLC is a medical device company that develops wearable, AI-enabled monitoring systems for continuous real-time tracking of respiratory and cardiac function. Its products, such as RTMsense, are designed to help hospitals and healthcare providers proactively detect respiratory compromise and prevent events like opioid-induced respiratory depression.
Cadence Biomedical, Inc. is an early-stage medical device company headquartered in Seattle, Washington, focused on developing healthcare technologies to help patients.
Lunair Medical is developing an implantable neurostimulation device and connected digital platform designed to treat moderate-to-severe sleep apnea. The system utilizes closed-loop phrenic nerve stimulation and respiration sensing to maintain an open airway during sleep without the use of masks or wearables.
REMSleep Holdings, Inc. is an enterprise globally focused on crafting and providing solutions for individuals afflicted with sleep apnea. Among its key offerings is the DeltaWave CPAP interface device, specifically engineered to aid in the treatment of patients suffering from this condition. The company caters to a broad spectrum of clients, including home healthcare providers, independent sleep clinics, direct consumers, medical practitioners, group medical organizations, hospitals, and various professional medical associations. Its corporate headquarters are situated in Tampa, Florida.
ALung Technologies develops extracorporeal respiratory support devices, including the Hemolung Respiratory Assist System, designed to remove carbon dioxide from blood and support patients with acute respiratory failure. Its products are intended for hospitals and critical-care clinicians treating patients who need respiratory support, including certain patients with severe COPD or who may otherwise require mechanical ventilation.
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More on DELTA CHASE, LLC in Xcout Intel
- 7 named people with titles, LinkedIn and board committees
- 3 funding rounds with the investors in each, and who they co-invest with
- The full competitor set, tracking, exports and API access