Form 4: Yellowstone Midco Holdings II Insider Sells Shares
Insider Transaction (Form 4)
BlackRock Portfolio Management LLC reported changes in beneficial ownership of Yellowstone Midco Holdings II, LLC common stock on August 6, 2026.
Summary
- Open-market sale: disposed of 201,504 Common Stock at $11.60 ($2,337,446) on August 6, 2026; holds 16,717,285 after (Indirect).
- Open-market sale: disposed of 200,170 Common Stock at $10.99 ($2,199,868) on August 7, 2026; holds 16,517,115 after (Indirect).
Sentiment
Score: 3
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $4,537,315 of stock on the open market.
Insider Transactions
BlackRock Portfolio Management LLC — 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-06 | Open-market sale | Common Stock | 201,504 | $12 | $2.3M | 16,717,285 |
| 2026-08-07 | Open-market sale | Common Stock | 200,170 | $11 | $2.2M | 16,517,115 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-06 | Open-market sale (201,504 shares) |
| 2026-08-07 | Open-market sale (200,170 shares) |
Keywords
insider transaction, Form 4, YSS, York Space Systems Inc., bearish, BlackRock Portfolio Management LLC
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