4/A: Yellowstone Midco Holdings II Insider Sells Shares
Insider Transaction (Form 4/A)
BlackRock Portfolio Management LLC reported changes in beneficial ownership of Yellowstone Midco Holdings II, LLC common stock on August 4, 2026.
Summary
- Open-market sale: disposed of 78,082 Common Stock at $15.02 ($1,172,792) on August 4, 2026; holds 17,515,311 after (Indirect).
- Open-market sale: disposed of 468,476 Common Stock at $15.58 ($7,298,856) on August 4, 2026; holds 17,046,835 after (Indirect).
- Open-market sale: disposed of 116,162 Common Stock at $13.49 ($1,567,025) on August 5, 2026; holds 16,930,673 after (Indirect).
- Open-market sale: disposed of 11,884 Common Stock at $15.28 ($181,588) on August 5, 2026; holds 16,918,789 after (Indirect).
Sentiment
Score: 2
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $10,220,261 of stock on the open market.
Insider Transactions
BlackRock Portfolio Management LLC — 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-04 | Open-market sale | Common Stock | 78,082 | $15 | $1.2M | 17,515,311 |
| 2026-08-04 | Open-market sale | Common Stock | 468,476 | $16 | $7.3M | 17,046,835 |
| 2026-08-05 | Open-market sale | Common Stock | 116,162 | $13 | $1.6M | 16,930,673 |
| 2026-08-05 | Open-market sale | Common Stock | 11,884 | $15 | $181.6K | 16,918,789 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-04 | Open-market sale (78,082 shares) |
| 2026-08-04 | Open-market sale (468,476 shares) |
| 2026-08-05 | Open-market sale (116,162 shares) |
| 2026-08-05 | Open-market sale (11,884 shares) |
Keywords
insider transaction, Form 4/A, YSS, York Space Systems Inc., bearish, BlackRock Portfolio Management LLC
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