Form 4 Tracker
Yellowstone Midco Holdings II, LLC
YSS

12 insider filings · Latest: Jan 30, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 7, 2026Aug 10 10:16 PMBlackRock Portfolio Management LLC10% Owner
Sale
200,170$10.99$2.2M16,517,115(I)

View →

Aug 6, 2026Aug 10 10:16 PMBlackRock Portfolio Management LLC10% Owner
Sale
201,504$11.60$2.3M16,717,285(I)

View →

Aug 5, 2026Aug 10 10:02 PMBlackRock Portfolio Management LLC10% Owner
Sale
128,046$13.66$1.7M16,918,789(I)

View →

Aug 4, 2026Aug 10 10:02 PMBlackRock Portfolio Management LLC10% Owner
Sale
546,558$15.50$8.5M17,046,835(I)

View →

Aug 5, 2026Aug 6 8:02 PMBlackRock Portfolio Management LLC10% Owner
Sale
127,946$13.65$1.7M16,931,394(I)

View →

Aug 4, 2026Aug 6 8:02 PMBlackRock Portfolio Management LLC10% Owner
Sale
534,053$15.50$8.3M17,059,340(I)

View →

Aug 3, 2026Aug 4 8:17 PMBlackRock Portfolio Management LLC10% Owner
Sale
13,754$15.03$206.7K17,593,393(I)

View →

Jul 31, 2026Aug 4 8:17 PMBlackRock Portfolio Management LLC10% Owner
Sale
35,574$15.14$538.6K17,607,147(I)

View →

Jul 30, 2026Jul 31 8:47 PMBlackRock Portfolio Management LLC10% Owner
Sale
140,823$15.18$2.1M17,642,721(I)

View →

Jul 29, 2026Jul 31 8:47 PMBlackRock Portfolio Management LLC10% Owner
Sale
63,390$15.31$970.5K17,783,544(I)

View →

Jan 30, 2026Feb 4 2:04 AMTami A. ErwinDirector
Purchase
2,941$34.00$100.0K79,984(D)

View →

Jan 30, 2026Feb 4 1:58 AMTyler LetarteDirector
Purchase
1,470$34.00$50.0K1,470(I)

View →

Jan 30, 2026Feb 3 10:22 PMBlackRock Portfolio Management LLC10% Owner
Purchase
752,500$34.00$25.6M17,846,934(I)

View →

Stock Options & Derivatives

No transactions found.