York Space Systems (YSS) 10% Owner BlackRock Sells 204,213 Shares

What Happened

• BlackRock Portfolio Management LLC, reported as a 10% owner, sold a total of 204,213 shares of York Space Systems (YSS) in two open-market transactions: 63,390 shares on 2026-07-29 (weighted avg $15.31; proceeds $970,501) and 140,823 shares on 2026-07-30 (weighted avg $15.18; proceeds $2,137,693). Total proceeds were approximately $3,108,194. These were sales (not purchases), which are often routine portfolio activity for institutional holders.

Key Details

• Transaction dates: 2026-07-29 and 2026-07-30; Form 4 filed 2026-07-31.
• Prices reported: $15.31 (weighted avg) for 7/29 sales; $15.18 (weighted avg) for 7/30 sales.
• Price ranges: 7/29 trades ranged $15.27–$16.07 (per footnote); 7/30 trades ranged $15.00–$15.65 (per footnote). BlackRock can provide per-price breakdown on request.
• Shares sold total: 204,213; total proceeds ≈ $3.11 million.
• Shares owned after the transaction: not specified in the data provided.
• Notable footnotes: Sales reflect shares held across many BlackRock-managed funds and accounts (listed in the filing). BlackRock and related managers expressly disclaim personal beneficial ownership of the shares except for any pecuniary interest. This filing aggregates holdings of certain BlackRock business units per SEC guidance.
• Filing timeliness: Form filed 2026-07-31 covering transactions on 7/29–7/30 (no late-filing flag indicated in supplied data).

Context

• This activity comes from an institutional investor (BlackRock) and reflects fund/account-level selling, not insider executive trading. Such sales are commonly portfolio rebalancing or liquidity actions and do not on their own indicate management sentiment about the company. For investors wanting more detail, the filing notes BlackRock can provide the number of shares sold at each specific price within the reported ranges.