York Space Systems Inc.
YSS- Exchange
- NYSE
- Industry
- Guided Missiles & Space Vehicles & Parts
- SEC CIK
- 0002086587
No open-market purchases or sales by York Space Systems Inc. insiders were filed in the last 90 days; 161 institutions reported holding it in 13F filings for Q2 2026, worth $1.60B in total; Soros Fund Management is the only superinvestor holding it.
SEC filings
10-K, 10-Q, 8-K, 20-F and 40-F reports York Space Systems Inc. filed with the SEC, newest first.
Livermore lists each filing's form, 8-K items and dates only. To read a filing, open it on SEC.gov; an 8-K's press release or other attachments, such as exhibit 99.1 for Item 2.02, are in the filing index.
| Filed | Form | 8-K items | Period | Document | Filing index |
|---|---|---|---|---|---|
| Nov 13, 2026 | 10-Q | – | Sep 30, 2026 | SEC | Index |
| Nov 12, 2026 | 8-K | 2.029.01 | Nov 12, 2026 | SEC | Index |
| Nov 12, 2026 | 8-K | 5.02 | Nov 10, 2026 | SEC | Index |
| Aug 14, 2026 | 10-Q | – | Jun 30, 2026 | SEC | Index |
| Aug 13, 2026 | 8-K | 2.029.01 | Aug 13, 2026 | SEC | Index |
| Aug 5, 2026 | 8-K | 5.027.019.01 | Jul 30, 2026 | SEC | Index |
| Jun 4, 2026 | 8-K/A | 3.02 | May 15, 2026 | SEC | Index |
| May 19, 2026 | 8-K | 3.02 | May 15, 2026 | SEC | Index |
| May 15, 2026 | 10-Q | – | Mar 31, 2026 | SEC | Index |
| May 14, 2026 | 8-K | 2.029.01 | May 14, 2026 | SEC | Index |
| Apr 29, 2026 | 8-K | 1.013.029.01 | Apr 29, 2026 | SEC | Index |
| Apr 14, 2026 | 8-K | 5.02 | Apr 10, 2026 | SEC | Index |
| Mar 20, 2026 | 10-K | – | Dec 31, 2025 | SEC | Index |
| Mar 19, 2026 | 8-K | 2.029.01 | Mar 19, 2026 | SEC | Index |
| Mar 10, 2026 | 8-K | 3.02 | Mar 6, 2026 | SEC | Index |
| Jan 30, 2026 | 8-K | 1.013.035.025.039.01 | Jan 28, 2026 | SEC | Index |