Key facts
- It has raised $3.1M across 2 recorded rounds; the latest was Seed Round ($660K) in Apr 2025.
- Notable investors include US National Science Foundation, National Institutes of Health, Colorado Venture Capital Authority, HeadHealthTECH Challenge, Music and Entertainment) — 6 tracked in total.
- Impressio has filed 2 Form Ds with the SEC since 2021, most recently May 2025 ($660K sold to 9 investors).
- Status: Privately Held (backing).
- ·Post-money valuations for all 2 rounds
- ·The complete investor list — 6 names
- ·Watchlist + deal alerts for Impressio
Funding rounds
2 roundsAbout Impressio
Manufacturer of novel ultra-dissipative materials designed to improve human health and safety through innovative applications. The company's materials utilize liquid-crystal elastomers to create dissipative liner materials for protective equipment to overcome the existing challenges of energy absorption in current helmet foams, enabling users to reduce concussion and protect the head and have applications in sports, military, automotive and aerospace.
- Sector
- Materials and Resources
- HQ
- Denver, CO, United States
- Founded
- 2017
- Employees
- 9
- Website
- impressio.tech/
- Ownership
- Privately Held (backing)
Impressio doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Impressio shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Impressio in its N-PORT filings yet. We sweep new filings monthly.