Sine Engineering
PrivateLast Round
Seed
Mar 25, 2026
Company Overview
Sine Engineering is an aerospace and defense company that develops and manufactures resilient communication, navigation, and coordination systems for unmanned aerial vehicles operating in contested environments.
Sector
Frontier & Industrial Tech
Verticals
Drones & UAVs, Defense Tech, Computing Hardware, Network Equipment
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Sine Engineering Comparables
Compare Sine Engineering with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| The Fourth Law | 79% | |
| ModalAI | 79% | |
| Theseus | 78% | |
Sine Engineering Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Mar 25, 2026 |
Key People
Founding team and executive leadership
Sine Engineering Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Defence Builder | Seed |
| U.S.–Ukraine Reconstruction Investment Fund | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Feb 23, 2026
Grew 45% QoQ, from 20 to 29 employees.
- Jan 23, 2026
Grew 50% QoQ, from 16 to 24 employees.
Sine Engineering Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Sine Engineering's valuation, stock price, and market status.