York Space Systems SEC Filings
NYSE: YSSIndustrialsMilitary/Government/TechnicalUSD
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At close: Oct 9, 4:00 PM ET · Delayed 15 min
York Space Systems filing overview
This page lists 44 recent SEC filings by York Space Systems (YSS), including 19 4, 9 8-K, 3 4/A, 3 SCHEDULE 13G. The latest annual report (10-K) was filed on Mar 20, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 14, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Aug 13, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
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YSS SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Aug 14, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Aug 14, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Aug 13, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Aug 10, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Aug 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 6, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 5, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD Disclosure | View on EDGAR |
| Aug 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 31, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 10, 2026 | 4 | OWNERSHIP DOCUMENT | View on EDGAR |
| Jun 29, 2026 | 4/A | OWNERSHIP DOCUMENT | View on EDGAR |
| Jun 5, 2026 | 4 | OWNERSHIP DOCUMENT | View on EDGAR |
| Jun 4, 2026 | 8-K/A | Amended: Unregistered Sales of Equity Securities | View on EDGAR |
| May 19, 2026 | 8-K | Unregistered Sales of Equity Securities | View on EDGAR |
| May 15, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| May 15, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| May 15, 2026 | 10-Q | Quarterly report | View on EDGAR |
| May 14, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Apr 29, 2026 | 8-K | Entry into a Material Definitive Agreement; Unregistered Sales of Equity Securities | View on EDGAR |
| Apr 29, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Apr 14, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Apr 14, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 20, 2026 | 10-K | Annual report | View on EDGAR |
| Mar 19, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Mar 11, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Mar 10, 2026 | 8-K | Unregistered Sales of Equity Securities | View on EDGAR |
| Feb 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 30, 2026 | 424B4 | Prospectus | View on EDGAR |
| Jan 30, 2026 | 8-K | Entry into a Material Definitive Agreement; Material Modification to Rights of Security Holders; Departure or Appointment of Directors or Officers; Compensatory Arrangements; Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year | View on EDGAR |
| Jan 26, 2026 | S-1/A | Registration statement (amendment) | View on EDGAR |
| Jan 16, 2026 | S-1/A | Registration statement (amendment) | View on EDGAR |
| Dec 15, 2025 | S-1/A | Registration statement (amendment) | View on EDGAR |
| Nov 17, 2025 | S-1 | Registration statement | View on EDGAR |