York Space Systems (YSS) — BlackRock (10% Owner) Sells Shares

What Happened

• BlackRock Portfolio Management LLC (reported as a 10% owner) sold a total of 687,209 shares of York Space Systems (YSS) in multiple open‑market dispositions on August 4–5, 2026. The trades reported in this amended Form 4 include:
  • 8/4/2026: 78,082 shares @ $15.02 — $1,172,792
  • 8/4/2026: 468,476 shares @ $15.58 — $7,298,856
  • 8/4/2026 (amendment): 12,505 shares @ $15.69 — ~$196,202
  • 8/5/2026: 116,162 shares @ $13.49 — $1,567,025
  • 8/5/2026: 11,884 shares @ $15.28 — $181,588
  • 8/5/2026 (amendment): 100 shares @ $15.13 — $1,513
• Combined proceeds reported are roughly $10.4 million. These were all sales (dispositions), not purchases.

Key Details

• Transaction type: Sales (Code S); open‑market/private sale transactions on Aug 4–5, 2026.
• Total shares sold (amended filing): 687,209; total proceeds ≈ $10.42M.
• Shares owned after transaction: Not specified in the information provided in this filing.
• Footnotes: Sales are reported on behalf of multiple BlackRock funds/accounts managed by various BlackRock entities (F1–F3); the reporting business units disclaim beneficial ownership except to the extent of pecuniary interest. Several prices are reported as weighted averages and cover ranges of execution prices (see F4–F6).
• Filing status: This is an AMENDED Form 4 (filed 2026‑08‑10) correcting an earlier Form 4 (8/6/2026) that inadvertently omitted two small sales (12,505 shares on 8/4 and 100 shares on 8/5).

Context

• This filing reflects institutional selling by a large asset manager across multiple funds/accounts, not an individual company executive. Institutional sales can reflect portfolio rebalancing or liquidity needs rather than a company‑specific view. As always, sales alone are not definitive evidence of management sentiment.