Officina Stellare S.p.A.

Officina Stellare (OS) is listed on Euronext Growth Milan and has no computed market cap on this site (no US exchange listing).

OS on Euronext Growth Milan · Italy

Market cap

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No US exchange listing, so no computed market cap (methodology rule 3).

Shares outstanding

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No share count on file

Segment

Components and ground

Subsystems, buses, antennas, ground segment

Next event

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Nothing on the calendar yet

Quote on the home exchange

What they do

as of Oct 3, 2026

Officina Stellare designs and builds telescopes and opto-mechanical instruments for satellites, ground stations and research. It is based in Sarcedo, Italy. Its shares trade on Euronext Growth Milan as OS; there is no US exchange listing, so this site computes no market cap for it.

A plain description of the business, reviewed Oct 3, 2026. Corrections: see corrections.

Recent filings and events

Not an SEC filer, so there is no EDGAR record for this company, and no dated event is on file.

Insider forms (Form 4) are in the table below. Dated events are on the calendar and the launch manifest.

Insider transactions (Form 4)

Not an SEC filer, so no Form 4 filings exist.

What each Form 4 reported, as filed. Non-derivative transactions only; option grants and exercises appear on the filing itself.

Contract awards · last 12 months

No US federal contract award of US$250K or more on file for the last 12 months.

US federal awards of US$250K or more, from USAspending.gov. Amounts are as the source states them. Defense awards reach USAspending about 90 days after signing.

Upcoming events

Nothing on the manifest for Officina Stellare yet.

Each row links to its source. The calendar lists every company's dates; the full launch manifest explains the status labels.

Peers

MDA SpaceMDAUS$4.8B#8 · as of Oct 2, 2026 close
Gilat Satellite NetworksGILTUS$773M#18 · as of Oct 2, 2026 close
Sidus SpaceSIDUUS$184M#21 · as of Oct 2, 2026 close

All components and ground companies by market cap · Space industry market cap · Leaderboard

Listings

Every listing of Officina Stellare S.p.A.
Ticker	Exchange	Currency	Share class	Role
OS	Euronext Growth Milan	EUR	Common	Non-US exchange

Share classes

No share count on file yet.

No US exchange listing; no computed market cap.

How this number is built: methodology. Where the data comes from: sources. Who runs this site and what they hold: disclosures. More: Components and ground · leaderboard · space industry market cap.