YSS - CIK 0002086587
York Space Systems Inc. has filed 51 documents with the SEC between 2025 and 2026. The most frequent type is new insider ownership (14 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Major company event | 8-K | 2026-05-19 | 2026-05-15 |
| Quarterly report | 10-Q | 2026-05-15 | 2026-03-31 |
| SCHEDULE 13G | - | 2026-05-15 | - |
| SCHEDULE 13G | - | 2026-05-15 | - |
| Major company event | 8-K | 2026-05-14 | 2026-05-14 |
| SCHEDULE 13G | - | 2026-04-29 | - |
| Major company event | 8-K | 2026-04-29 | 2026-04-29 |
| Insider trade | 4 | 2026-04-14 | 2026-04-10 |
| New insider ownership | 3 | 2026-04-14 | 2026-04-10 |
| Major company event | 8-K | 2026-04-14 | 2026-04-10 |
| Annual report | 10-K | 2026-03-20 | 2025-12-31 |
| Major company event | 8-K | 2026-03-19 | 2026-03-19 |
| Insider trade (amended) | 4/A | 2026-03-11 | 2026-01-30 |
| Major company event | 8-K | 2026-03-10 | 2026-03-06 |
| Insider trade | 4 | 2026-02-03 | 2026-01-30 |
| Insider trade | 4 | 2026-02-03 | 2026-01-30 |
| Insider trade | 4 | 2026-02-03 | 2026-01-30 |
| Insider trade | 4 | 2026-02-03 | 2026-01-30 |
| Insider trade | 4 | 2026-02-03 | 2026-01-30 |
| Insider trade | 4 | 2026-02-03 | 2026-01-30 |
| Insider trade | 4 | 2026-02-03 | 2026-01-30 |
| Insider trade | 4 | 2026-02-03 | 2026-01-30 |
| Insider trade | 4 | 2026-02-03 | 2026-01-30 |
| Insider trade | 4 | 2026-02-03 | 2026-01-30 |
| Insider trade | 4 | 2026-02-03 | 2026-01-30 |
| New insider ownership | 3 | 2026-02-03 | 2026-01-29 |
| Insider trade | 4 | 2026-02-03 | 2026-01-30 |
| Employee stock plan | S-8 | 2026-01-30 | - |
| Major company event | 8-K | 2026-01-30 | 2026-01-28 |
| 424B4 | - | 2026-01-30 | - |
| New insider ownership | 3 | 2026-01-29 | 2026-01-29 |
| New insider ownership | 3 | 2026-01-29 | 2026-01-29 |
| New insider ownership | 3 | 2026-01-29 | 2026-01-29 |
| New insider ownership | 3 | 2026-01-29 | 2026-01-29 |
| New insider ownership | 3 | 2026-01-29 | 2026-01-29 |
| New insider ownership | 3 | 2026-01-29 | 2026-01-29 |
| New insider ownership | 3 | 2026-01-29 | 2026-01-29 |
| New insider ownership | 3 | 2026-01-29 | 2026-01-29 |
| New insider ownership | 3 | 2026-01-29 | 2026-01-29 |
| New insider ownership | 3 | 2026-01-29 | 2026-01-29 |
| New insider ownership | 3 | 2026-01-29 | 2026-01-29 |
| New insider ownership | 3 | 2026-01-29 | 2026-01-29 |
| 8-A12B | - | 2026-01-29 | - |
| Exchange certification | CERT | 2026-01-29 | - |
| EFFECT | - | 2026-01-28 | - |
| S-1MEF | - | 2026-01-28 | - |
| S-1/A | - | 2026-01-26 | - |
| S-1/A | - | 2026-01-16 | - |
| S-1/A | - | 2025-12-15 | - |
| IPO registration | S-1 | 2025-11-17 | - |