York Space Systems, Inc. YSS · SEC Filings

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York Space Systems, Inc. operates as a space and defense prime providing a comprehensive suite of mi...

Price7.11

Market Cap976.61 M

Float87.17 M

CountryUS

SectorIndustrials

ExchangeNYSE

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TYPE

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FILED AT

TYPE

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FILED AT

TYPE

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TYPE

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Financials

TYPE

HEADLINE

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10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 13, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

May 14, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Mar 19, 2026

News

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HEADLINE

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8-K

York Space Systems Inc. Announces Fiscal Second Quarter 2026 Financial Results

Aug 13, 2026

8-K

York Space Systems Announces Chief Financial Officer Transition

Aug 5, 2026

8-K/A

Amendment updates share issuance details for acquisition of Solestial, Inc., valued at approximately $67 million.

Jun 4, 2026

8-K

York Space Systems Inc. to Acquire Solestial, Inc.

May 19, 2026

8-K

York Space Systems Reports First Quarter 2026 Financial Results

May 14, 2026

8-K

York Space Systems Inc. to Acquire All.Space Holdings, Inc. for $355 Million

Apr 29, 2026

Prospectus

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424B4

Form 424B4 - Prospectus [Rule 424(b)(4)]

Jan 30, 2026

Registrations

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S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Jan 30, 2026

8-A12B

Form 8-A12B - Registration of securities [Section 12(b)]

Jan 29, 2026

S-1MEF

OFFERING

Jan 28, 2026

S-1/A

OFFERING | Bank: Goldman Sachs & Co. LLC, Jefferies, Wells Fargo Securities, J.P. Morgan, Citigroup, Truist Securities, Baird, Raymond James, Canaccord Genuity, Needham & Company, Academy Securities

Jan 26, 2026

S-1/A

OFFERING | Bank: Goldman Sachs & Co. LLC

Jan 16, 2026

S-1/A

OFFERING | Bank: Goldman Sachs & Co. LLC, Jefferies, Wells Fargo Securities

Dec 15, 2025

Proxies

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Ownerships

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SCHEDULE 13G

BlackRock, Inc. (Filed by)

Oct 27, 2026

SCHEDULE 13G/A

AEROEQUITY GP, LLC (Filed by)

Aug 14, 2026

BlackRock Portfolio Management LLC (Reporting)

Aug 10, 2026

4/A

BlackRock Portfolio Management LLC (Reporting)

Aug 10, 2026

BlackRock Portfolio Management LLC (Reporting)

Aug 6, 2026

BlackRock Portfolio Management LLC (Reporting)

Aug 4, 2026

Other

TYPE

HEADLINE

FILED AT

EFFECT

Form EFFECT - Notice of Effectiveness

Jan 29, 2026

LETTER

Form UPLOAD - SEC-generated letter

Jan 27, 2026

CORRESP

Form CORRESP - Correspondence

Jan 26, 2026

CORRESP

Form CORRESP - Correspondence

Jan 26, 2026

CORRESP

Form CORRESP - Correspondence

Jan 26, 2026

CORRESP

Form CORRESP - Correspondence

Jan 16, 2026