Company Analysis

York Space Systems Inc. (YSS)

NYSE: YSS · Guided Missiles & Space Vehicles & Parts · filing with the SEC since 2025
Grade5.2
◀ Past 6.1● Present 4.4▶ Future 5.3
8 est.

Filings

40 filings since 2017 beside 36 insider forms · and emerging growth company · read from EDGAR on Nov 13, 2026
Due next and emerging growth company
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by May 15, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 43 days after the quarter ended.

Filings a yearinsider forms included
571
20252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 4 times in the last 36 months, the newest Nov 12, 2026.SEC letters: 8 in the last 36 months, the newest Jan 27, 2026.
Insider forms 36

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 13, 2026 10-Q Quarterly report Sep 30, 2026
Nov 12, 2026 8-K items 2.02, 9.01 Results released · Current report
Nov 12, 2026 8-K item 5.02 Officer or director change · Current report Nov 10, 2026
Oct 27, 2026 SCHEDULE 13G Large holder notice
Aug 14, 2026 10-Q Quarterly report Jun 30, 2026
Aug 14, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 13, 2026 8-K items 2.02, 9.01 Results released · Current report
Aug 5, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Jul 30, 2026
Jun 4, 2026 8-K/A item 3.02 Shares sold without registration · Current report, amended May 15, 2026
May 19, 2026 8-K item 3.02 Shares sold without registration · Current report May 15, 2026
May 15, 2026 10-Q Quarterly report Mar 31, 2026
May 15, 2026 SCHEDULE 13G Large holder notice
May 15, 2026 SCHEDULE 13G Large holder notice
May 14, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 29, 2026 SCHEDULE 13G Large holder notice
Apr 29, 2026 8-K items 1.01, 3.02, 9.01 Major agreement signed; Shares sold without registration · Current report
Apr 14, 2026 8-K item 5.02 Officer or director change · Current report Apr 10, 2026
Mar 20, 2026 10-K Annual report Dec 31, 2025
Mar 19, 2026 8-K items 2.02, 9.01 Results released · Current report
Mar 10, 2026 8-K item 3.02 Shares sold without registration · Current report Mar 6, 2026
Jan 30, 2026 S-8 Employee stock plan registration
Jan 30, 2026 8-K items 1.01, 3.03, 5.02, 5.03, 9.01 Major agreement signed; Change to shareholders' rights; Officer or director change; Charter, bylaw or fiscal-year change · Current report Jan 28, 2026
Jan 30, 2026 424B4 Offering prospectus
Jan 29, 2026 8-A12B Class of securities registered for listing
Jan 29, 2026 CERT Exchange listing certification
Jan 28, 2026 EFFECT Registration effective
Jan 28, 2026 S-1MEF Listing registration, added shares
Jan 27, 2026 UPLOAD SEC comment letter
Jan 26, 2026 CORRESP Reply to the SEC
Jan 26, 2026 CORRESP Reply to the SEC
Jan 26, 2026 CORRESP Reply to the SEC
Jan 26, 2026 S-1/A Listing registration, amended
Jan 16, 2026 CORRESP Reply to the SEC
Jan 16, 2026 S-1/A Listing registration, amended
Jan 13, 2026 UPLOAD SEC comment letter
Dec 15, 2025 CORRESP Reply to the SEC
Dec 15, 2025 S-1/A Listing registration, amended
Dec 8, 2025 UPLOAD SEC comment letter
Nov 17, 2025 S-1 Listing registration
Sep 29, 2025 DRS Draft registration, confidential

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton YSS · research, not advice