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WINDBORNE SYSTEMS INC.

PALO ALTO, CA · Founded 2019 · Clean tech · Private

High-altitude balloon-based aerial sensing platform with altitude control system for weather data collection and remote sensing

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Updated · windbornesystems.com

Sector
Clean tech
Headquarters
PALO ALTO, CA
Founded
2019
Latest Form D
$37.1M, Aug 2026
Total capital
$62.1M
Federal grants
$50K
1 award · 2019
Rank in peer group#23 of 227
Private capital raised
$60.5M
3 Form D · last Aug 2026
2 months since last filing
Federal contracts
$1.6M
2 awards · Defense
Rank in Clean tech#50 of 914
Granted patents
4
9 pending · first 2023
Rank in peer group#28 of 227

Capital timeline

20192020202120222023202420252026FEDERAL ↑EQUITY ↓Cumulative $62.1M$50K$1.5M$72K1st Form D$8.4M3rd Form D$37.1M
2019202120232025FEDERAL ↑EQUITY ↓Cumulative $62.1M$50K$1.5M$72K1st Form D$8.4M

Latest events

  • Private capital raisedForm D · SEC · 3rd filing$37.1M
  • Private capital raisedForm D · SEC · 2nd filing$15M
  • Federal contractDefense · In-theatre Probabilistic Forecasting With Deep Learning-powered Edge Computing$72K
  • Private capital raisedForm D · SEC · 1st filing$8.4M
  • Federal contractDefense · Data Collection Campaign$1.5M
  • Federal grantDefense · Phase I · Open Call for Innovative Defense-Related Dual-Purpose Technologies/Solutions with a Clear Air Force Stakeholder Need$50K

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

42months

from WINDBORNE SYSTEMS INC.’s first federal award to its first private round.

First federal award · Dec 2019
Defense · $50K
First Form D · May 2023
$8.4M · 1st Form D
Awards before first raise
2 awards

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

Standing among 227 peers

Line = median

Clean tech · System

  • Federal grants#23 · top 10%
  • Granted patents#28 · top 12%

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
  • Andrey SushkoResearcherExecutive Officer, DirectorLinked by 4 patents
  • John DeanResearcherExecutive Officer, DirectorLinked by $50K in grants as PI
  • Kai MarshlandExecutive Officer, DirectorNamed in SEC Form D filings
  • Nikhil TrivediDirectorNamed in SEC Form D filings

What it has protected

USPTO · 4 granted of 13
  • PendingAerial vehicle containing a volatile fluid for net buoyancy controlUSPTOApplication 19428020
  • PendingSystem And Method For Generating Aerodynamic Lift From Wind Shear At A SystemUSPTOApplication 19542588
  • PendingSystem And Method For Avoiding Hazardous Atmospheric ZonesUSPTOApplication 19418478
Show all 13 patent records

Related companies, and why

Regulatory activity · Clean tech

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 .