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 July 31, 2026.
Summary
- Open-market sale: disposed of 35,574 Common Stock at $15.14 ($538,590) on July 31, 2026; holds 17,607,147 after (Indirect).
- Open-market sale: disposed of 13,754 Common Stock at $15.03 ($206,723) on August 3, 2026; holds 17,593,393 after (Indirect).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $745,313 of stock on the open market.
Insider Transactions
BlackRock Portfolio Management LLC — 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-07-31 | Open-market sale | Common Stock | 35,574 | $15 | $538.6K | 17,607,147 |
| 2026-08-03 | Open-market sale | Common Stock | 13,754 | $15 | $206.7K | 17,593,393 |
Key Dates
| Date | Description |
|---|---|
| 2026-07-31 | Open-market sale (35,574 shares) |
| 2026-08-03 | Open-market sale (13,754 shares) |
Keywords
insider transaction, Form 4, YSS, York Space Systems Inc., bearish, BlackRock Portfolio Management LLC
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