FIFTH GAIT TECHNOLOGIES, INC.

Santa Barbara, CA · Aerospace · Private

SIRE2 toolkit: software modeling suite for space radiation environment prediction and historical benchmarking against spacecraft anomalies

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Updated Oct 23, 2026 · 5thgait.com

Sector: Aerospace
Headquarters: Santa Barbara, CA
Total capital: $37.3M

Federal grants: $2.5M; 4 awards · 2020–2024; Rank in peer group#51 of 55
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $34.8M; 24 awards · Defense, NASA; Rank in Aerospace#104 of 1335
Granted patents: None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

Latest events

Dec 2025Federal contractDefense · Scalable Homeland Innovative Enterprise Layered Defense (shield) Initial Order.$500
Aug 2024Federal contractNASA · FY24 SBIR Phase I- Enhanced System-level Single Event Effects For Space Weather Operations$150K
Aug 2024Federal grantNASA · Phase I · FY24 SBIR Phase I- Enhanced System-level Single Event Effects For Space Weather Operations$150K
Sep 2023Federal contractDefense · Cis-lunar And X-geo Space Weather Model Development$1.2M
May 2023Federal grantNASA · Phase II · Enhancement of the Geomagnetic Cutoff Models inside SIRE2 (SIRE2-Real)$850K
May 2023Federal contractNASA · SBIR Phase II Enhancement Of The Geomagnetic Cutoff Models Inside SIRE2 (SIRE2-REAL).$1.1M
Jul 2022Federal contractNASA · EO14042 SBIR Phase I Enhancement Of The Geomagnetic Cutoff Models Inside SIRE2$150K

Show 21 earlier federal awards

Apr 2022Federal grantNASA · Phase II · Advanced Climatology Innovations for Space Radiation Environments$750K
Sep 2021Federal contractDefense · Advance X-ray Transport And Radiation Response Analysis Toolkit Developments & Enhancements$7.9M
May 2021Federal contractDefense · Phase III Subcontractor, Materials&odc, Test Methodology And Equipment For Radiation Hardened Interceptors: Task Order 2$1.6M
May 2021Federal contractNASA · The Space Ionizing Radiation Environment And Effects Advanced Climatology (SIRE2-AC) Tool Will Enhance The Capabilities Of Space Climatology, System Design, And System Performance Evaluation. The SIRE2 Toolkit Will Be Modified To Interface With The$125K
Jul 2020Federal grantDefense · Phase II · The Standard Stand-Alone Space Environment Workbench$750K
Mar 2020Federal contractDefense · Sbir/sttr Phase II R&d: Test Methodology&equipment For Radiation Hardened Interceptors.$3.4M
Dec 2019Federal contractDefense · SBIR Phase III Research&development - Test Methodology And Equipment For Radiation Hardened Interceptors.$2.2M
Feb 2019Federal contractDefense · Advance X-ray Transport And Radiation Response Analysis (xtrra) Toolkit Improvement.$149K
Dec 2018Federal contractDefense · AF182-070, Standard Stand-alone Space Environment Workbench (SBIR I)$150K
Jun 2017Federal contractDefense · Igf::ot::igf Phase III Research&development$299K
Jun 2017Federal contractDefense · Igf::ot::igf Phase III Research&development. Task Order 0004$3.7M
Apr 2016Federal contractDefense · Igf::ot::igf Rapid Innovation Funds (rif) High Performance, Hardened Optical Coating Technologies For Near Term Mda Deployment$2.9M
Jul 2015Federal contractDefense · Igf::ot::igf Task Order 0001 R&d$3.1M
Dec 2013Federal contractDefense · Igf::ot::igf Ph I Research&development - Mda Space Radiation Environments (mda-sre)module$125K
Sep 2013Federal contractDefense · Igf::ot::igf Pr 68-1042-13, Development&advancement Of Cold X-ray Hardness$51K
Sep 2013Federal contractDefense · Base Period$2.7M
Jun 2012Federal contractDefense · Support Services$35K
Oct 2010Federal contractDefense · SBIR Phase II Research And Development.$2.7M
May 2010Federal contractDefense · The Contractor Shall Provide Research For SBIR Topic N091-043$733K
Jun 2009Federal contractDefense · SBIR Phase I Topic N091-043$148K
Mar 2009Federal contractDefense · SBIR Phase I Award$98K

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 55 peers

Line = median

Aerospace · Orbital_ops · Software

Federal grantsBelow median

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

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

No granted patents are on record.

USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.

Checked: USPTO granted patents and published applications · Oct 23, 2026

GREENSIGHT INC.Similar federal contract value in Aerospace · $35.6M in contracts
GENERATION ORBIT LAUNCH SERVICES, INC.Similar federal contract value in Aerospace · $35.2M in contracts
ENGENIUSMICRO LLCSimilar federal contract value in Aerospace · $34.9M in contracts
NEAR EARTH AUTONOMY, INCSimilar federal contract value in Aerospace · $34.8M in contracts
Systems & Processes Engineering CorporationSimilar federal contract value in Aerospace · $34.5M in contracts
INTELLIGENT OPTICAL SYSTEMS, INC.Similar federal contract value in Aerospace · $34.4M in contracts

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.