Fundraising Fox

Viridian

Culver City, US · Founded 2021 · Delaware corporation · 2 known investors

Viridian develops Air-Scooping Electric Thruster (ASET) technology that collects propellant from the upper atmosphere to power refuelable satellite platforms operating in Very Low Earth Orbit (VLEO). The technology targets satellite broadband communications, Earth observation, and in-space servicing, assembly, and manufacturing (ISAM) applications, including space-debris removal and on-orbit refueling.

Deep TechHardwareSpace Tech

Founders & leadership

Viridian was founded in 2021 by Rostislav Spektor.

RS
Rostislav SpektorinChief Executive Officer
MFMatthew Feldman
Matthew FeldmanCFO; Secretary

Investors · 2

Seraphim SpaceLondon · $1.3M – $3.8M
VU Venture PartnersSan Francisco · $200K – $1M

Reported raises · per SEC filings

Form D private placements

$2M disclosed across 1 round · 2021

▶$2MraisedApr 2022 · 13 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Rostislav SpektorExecutive Officer, Director
  • Matthew FeldmanExecutive Officer, Director
Offering amount
$2M
Amount sold
$2M
Minimum investment
$2.5K
First sale
Dec 2021
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 2

by search overlap
Capella Space8 shared keywordsCapella Space designs, builds, and operates synthetic aperture radar (SAR) satellite constellations that provide all-weather, day-and-night Earth observation imagery at sub-0.25m resolution. It offers an automated end-to-end tasking and data delivery platform serving defense and intelligence, maritime, disaster response, and infrastructure monitoring customers.
Viridian Therapeutics6 shared keywordsViridian Therapeutics develops treatments for thyroid eye disease, a rare autoimmune condition affecting the eyes and orbit. The company focuses on clinical development and patient support programs in the biotech sector.

Companies competing with Viridian for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

RBC Capital Maintains Outperform on Viridian Therapeutics, Raises Price Target to $36sahmcapital.com · Aug 2026ADAR1 Capital Management LLC Raises Stock Position in Viridian Therapeutics, Inc. $VRDNmarketbeat.com · Jul 2026Viridian Therapeutics Raises $359 Million in Offerings - TipRanks.comtipranks.com · May 2026Viridian Therapeutics launches $250 million capital raise By Investing.cominvesting.com · May 2026

Frequently asked questions

What does Viridian do?
Viridian develops Air-Scooping Electric Thruster (ASET) technology that collects propellant from the upper atmosphere to power refuelable satellite platforms operating in Very Low Earth Orbit (VLEO). The technology targets satellite broadband communications, Earth observation, and in-space servicing, assembly, and manufacturing (ISAM) applications, including space-debris removal and on-orbit refueling.
Who founded Viridian?
Viridian was founded by Rostislav Spektor in 2021.
Who are Viridian's investors?
Viridian's investors include Seraphim Space, VU Venture Partners.
How much funding has Viridian raised?
Viridian has disclosed $2M raised across 1 round.
Where is Viridian headquartered?
Viridian is headquartered in Culver City, US.