York Space Systems Inc.
YSSNYSEIndustrials · Guided Missiles & Space Vehicles & Parts · DE · SEC filings ↗ · Compare ⊕
View price & chart on Yahoo Finance ↗Financials
SEC XBRL · annualNo structured XBRL financials available (common for pre-2009 filers, foreign issuers, or companies that never reported as a US public company).
Short interest
FINRA · bi-monthly| Settlement | Shares short | Days to cover | Δ vs prior |
|---|---|---|---|
| May 15, 2026 | 6.0M | 2.2 | -3.6% |
| Apr 30, 2026 | 6.2M | 2.4 | +9.2% |
| Apr 15, 2026 | 5.7M | 1.8 | +0.6% |
| Mar 31, 2026 | 5.7M | 2.8 | +73.0% |
| Mar 13, 2026 | 3.3M | 4.7 | +8.5% |
Shares sold short as reported to FINRA. Days-to-cover = short shares ÷ average daily volume — higher means more potential squeeze pressure.
Material events
SEC Form 8-K · most recent- Unregistered equity saleMay 19, 2026
- Results of operationsMay 14, 2026
- Entered a material agreement · Unregistered equity saleApr 29, 2026
- Director / officer changeApr 14, 2026
- Results of operationsMar 19, 2026
- Unregistered equity saleMar 10, 2026
- Entered a material agreement · Modified shareholder rights · Director / officer change · Amended charter or bylawsJan 30, 2026
Events the company reported on Form 8-K, labelled by the SEC item code it filed under — its own classification, not our interpretation.
Recent SEC filings
All filings ↗- 8-KMay 19, 2026
- SCHEDULE 13GMay 15, 2026
- SCHEDULE 13GMay 15, 2026
- 10-QMay 15, 2026
- 8-KMay 14, 2026
- SCHEDULE 13GApr 29, 2026
- 8-KApr 29, 2026
- 4Apr 14, 2026
- 3Apr 14, 2026
- 8-KApr 14, 2026
- 10-KMar 20, 2026
- 8-KMar 19, 2026
- 4/AMar 11, 2026
- 8-KMar 10, 2026
- 4Feb 3, 2026