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$YSS All transactions

Yellowstone Midco Holdings II, LLC

▲ BUY
10 / 10

Conviction

$ Value

$25.6M

Shares

752,500

Price

$34

Filed

Feb 3

Why this score? (10/10)
  • Open market buy (+3)
  • Trade value >= $5.0M (+3)
  • 10%+ owner (+1)
  • Cluster: 3 insiders buying (+2)
  • Not a 10b5-1 plan (+1)

Insider

Name

BlackRock Portfolio Management LLC

Title

CIK

0002052113

Roles

10% Owner

Transaction Details

Transaction Date

2026-01-30

Code

P

Table

Non-Derivative

Ownership

Indirect

Equity Swap

No

Shares After

17,846,934

Footnotes

Represents shares of the Issuer's common stock held by the following funds and accounts under management by certain subsidiaries of BlackRock, Inc.: BlackRock Private Equity Co-Investments, 2021 Aggregator Cayman Ltd., BlackRock Growth Equity Fund Master Cayman Aggregator Ltd., BR POF IV CAYMAN MASTER FUND, L.P., BlackRock Private Opportunities Fund IV, L.P., BlackRock Private Opportunities Fund IV Master SCSp, TSCL Private Markets Cayman Fund Ltd., 1885 Private Opportunities Cayman Fund, Ltd., Heathrow Forest Opportunities Fund, L.P., Lincoln Pension Private Equity BR, L.P., NHRS Private Opportunities Fund, L.P., NDSIB Private Opportunities Fund Cayman Ltd., Mutual of Omaha OF Cayman, Ltd., BlackRock ERI Private Opportunities Master SCSp, Sullivan Way POF Cayman, Ltd, Total Alternatives Fund - Private Equity (B) LP, Total Alternatives Fund - Private Equity LP, 1824 Private Equity Fund, L.P., Tango Capital Opportunities Fund, L.P., BlackRock Private Investments Fund, | (Continued from footnote 1) OV Private Opportunities Cayman, Ltd., SONJ Opportunities Cayman, Ltd., Red River Direct Investment Fund III, L.P., MB BlackRock Holdings Cayman Ltd. and certain other funds and accounts managed by BlackRock Financial Management, Inc., BlackRock Institutional Trust Company, National Association, BlackRock Investment Management (UK) Limited and BlackRock Investment Management, LLC (collectively, the "Advised Funds and Accounts"). Each of BlackRock Portfolio Management LLC, the Advised Funds and Accounts and their respective direct or indirect managers, general partners and portfolio managers who share voting and investment power over the shares held by the Advised Funds and Accounts expressly disclaim beneficial ownership of the shares of common stock held by the Advised Funds and Accounts, except to the extent of their pecuniary interest therein, | (Continued from footnote 2) and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purposes.

Filing Info

Accession No.

0001193125-26-035886

Form Type

4

Issuer CIK

0002086587

BlackRock Portfolio Management LLC's History

Date Ticker Type Value
2026-04-01 CWEN J $4.0M
2026-04-01 CWEN J $17.4M
2026-04-01 CWEN J
2026-04-01 CWEN J
2026-03-31 CWEN C
2026-03-31 CWEN C $0
2026-03-26 CWEN J
2026-03-13 CWEN J
2026-02-23 CWEN J $5K
2026-02-23 CWEN J

Other Insiders at YSS (90d)

Insider Bought Sold Last
Erwin Tami A. $100K 2026-01-30
Letarte Tyler $50K 2026-01-30
Frantz Brian D
Chief Accounting Officer
2026-01-30
Davidson Janine 2026-04-10
Konert Kirk Michael 2026-01-30
Brothers Louis R Jr 2026-01-30
McConville James 2026-01-30
Messerle Kevin
Chief Financial Officer
2026-01-30
Palko Monica J.
See Remarks
2026-01-30
Wallinger Dirk
Chief Executive Officer
2026-01-30
Rudra Devjyoti
Chief Supply Chain Officer
2026-01-30
Boyd Andrew 2026-01-30