Impulse Space

Founded 2021 · Aerospace · Still private

Electric propulsion systems for orbital transfer and last-mile space delivery

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Updated Oct 23, 2026 · impulsespace.com

Sector: Aerospace
Founded: 2021
Latest Form D: $500M, Jun 2026
Total capital: $869M

Federal grants: $16.2M; 4 awards · 2023–2025; Rank in peer group#9 of 89
Private capital raised: $853M; 4 Form D · last Jun 2026; 5 months since last filing
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 0; 3 pending

Capital timeline

Latest events

Jun 2026Private capital raisedForm D · SEC · 4th filing$500M
Jun 2025Private capital raisedForm D · SEC · 3rd filing$295M
Feb 2025Federal grantDefense · Phase II · Impulse Space Phase 2 Stratfi$12.8M
May 2024Federal grantDefense · Phase II · Tactically Responsive Geosynchronous Equatorial Orbit With A High Energy Kick Stage$1.7M
Apr 2024Federal grantDefense · Phase II · SBIR Phase II Proposal F2D-9561 - Responsive Space Operations With A Multi-orbit Orbital Maneuvering Vehicle$1.7M
Dec 2023Federal grantDefense · Phase I · Dynamic Space Operations With Commercial Maneuvering Services$75K
Aug 2023Private capital raisedForm D · SEC · 2nd filing$38.7M
Apr 2022Private capital raisedForm D · SEC · 1st filing$20M

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 89 peers

Line = median

Aerospace · System

Federal grants#9 · top 10%

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

Eric RomoExecutive Officer, DirectorNamed in SEC Form D filings
John William John RaymondDirectorNamed in SEC Form D filings
Margaret AbernathyExecutive OfficerNamed in SEC Form D filings
Michael John LinseDirectorNamed in SEC Form D filings
Thomas John MuellerExecutive Officer, DirectorNamed in SEC Form D filings
Thomas John MuellerExecutive Officer, DirectorNamed in SEC Form D filings

What it has protected

USPTO · 0 granted of 3

Dec 28, 2023PendingImproved Timing and Trilateration System for Space Applications and Associated MethodsUSPTOApplication 18210482
PendingImproved Timing And Trilateration System For Space Applications And Associated MethodsUSPTOApplication PCTUS2023025446
PendingTiming And Trilateration System For Space Applications And Associated MethodsUSPTOApplication 63355724

SOLESTIAL, INC.Similar federal contract value in Aerospace · null in contracts
RHEA SPACE ACTIVITY, INC.Similar federal contract value in Aerospace · null in contracts
VISTACENT LLCSimilar federal contract value in Aerospace · null in contracts
MAXWAVE LLCSimilar federal contract value in Aerospace · null in contracts
Rarefied Atmosphere, Inc.Similar federal contract value in Aerospace · null in contracts
NeurophosSimilar federal contract value in Aerospace · null in contracts

Press

1 article · matched on company name

12 Aug 2026Space Force orders two more Impulse Space vehicles for maneuvering demonstrationsSpaceNews

Regulatory activity · Aerospace

Sector-level, not company-level

06 Jul 2026Nondiscrimination in Federally Assisted Programs of NASA-Effectuation of Title VI of the Civil Rights Act of 1964National Aeronautics and Space Administration
01 Jul 2026Special Conditions: AMAC Aerospace, The Boeing Company Model 747- 8 Airplane; Side-Facing SeatsFederal Aviation Administration
26 Jun 2026Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous AmendmentsFederal Aviation Administration
23 Jun 2026Operating Limitations at John F. Kennedy International AirportFederal Aviation Administration
23 Jun 2026Operating Limitations at New York LaGuardia AirportFederal Aviation Administration
18 Jun 2026Special Conditions: Honeywell Aerospace US LLC, Dassault Aviation Model Falcon 900EX Airplane; Electronic System Security Protection From Unauthorized External AccessFederal Aviation Administration

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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.