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WHISPER AERO INC

Crossville, TN · Founded 2020 · Aerospace · Still private

Electric propulsion systems for aircraft

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Updated · whisper.aero

Sector
Aerospace
Headquarters
Crossville, TN
Founded
2020
Latest Form D
$46.3M, Sep 2026
Total capital
$89.2M
Federal grants
$1.5M
6 awards · 2020–2025
Rank in peer group#41 of 91
Private capital raised
$87.7M
2 Form D · last Sep 2026
1 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
25
15 pending · first 2024
Rank in peer group#2 of 91

Capital timeline

2020202120222023202420252026FEDERAL ↑EQUITY ↓Cumulative $89.2M$143K$150K$75K$150K$850K$150K1st Form D$41.4M2nd Form D$46.3M
2020202220242026FEDERAL ↑EQUITY ↓Cumulative $89.2M$150K$150K$850K$150K1st Form D$41.4M2nd Form D$46.3M

Latest events

  • Private capital raisedForm D · SEC · 2nd filing$46.3M
  • Federal grantNASA · Phase I · Phase I SBIR 80NSSC25C0403 Ultraquiet Jetfoil-enabled V/stol Multi-mission UAS$150K
  • Federal grantNASA · Phase II · Phase II SBIR 80NSSC25C0026 - Design Of An Ultra-low Noise Ventilation Fan For Space Applications$850K
  • Federal grantNASA · Phase I · Design Of An Ultra-low Noise Ventilation Fan For Space Applications$150K
  • Private capital raisedForm D · SEC · 1st filing$41.4M
  • Federal grantDefense · Phase I · Quiet Swift'Lite Powerglider for ISR Missions$75K
  • Federal grantDefense · Phase I · eQ Propulsor$150K
Show 1 earlier federal award
  • Federal grantDefense · Phase I · eVTOL Acoustic Design Framework Development$143K

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.

Federal first

31months

from WHISPER AERO INC’s first federal award to its first private round.

First federal award · Dec 2020
Defense · $143K
First Form D · Jul 2023
$41.4M · 1st Form D
Awards before first raise
3 awards

An association in public records, not a cause or a prediction.

Standing among 91 peers

Line = median

Aerospace · Device

  • Federal grants#41 · top 45%
  • Granted patents#2 · top 2%

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
  • Mark MooreResearcherExecutive Officer, Director, PromoterLinked by $368K in grants as PI
  • Ian VillaExecutive Officer, Director, PromoterNamed in SEC Form D filings
  • Shawn CarolanDirectorNamed in SEC Form D filings
  • Thiago OlsonDirectorNamed in SEC Form D filings

What it has protected

USPTO · 25 granted of 40
Show all 40 patent records

Related companies, and why

  • Kalam LabsSimilar federal contract value in Aerospace · null in contracts
  • Ursa Major Technologies, Inc.Similar federal contract value in Aerospace · null in contracts
  • DAIVIN!Similar federal contract value in Aerospace · null in contracts
  • M42 Technologies, LLCSimilar federal contract value in Aerospace · null in contracts
  • Isotropic SystemsSimilar federal contract value in Aerospace · null in contracts
  • BLACKSKY AEROSPACE LLCSimilar federal contract value in Aerospace · null in contracts

Regulatory activity · Aerospace

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 .