YSSNYSE

Yellowstone Midco Holdings II, LLC

Alert me on YSS

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Feb 4 Buy BlackRock Portfolio Management LLC Insider

1 week

+10.0%S&P +0.8%

1 month

−14.1%S&P −2.0%

3 months

+48.1%S&P +7.2%

6 months

−56.3%S&P +12.6%

Feb 4 Buy Letarte Tyler Insider

1 week

+10.0%S&P +0.8%

1 month

−14.1%S&P −2.0%

3 months

+48.1%S&P +7.2%

6 months

−56.3%S&P +12.6%

Feb 4 Buy Erwin Tami A. Insider

1 week

+10.0%S&P +0.8%

1 month

−14.1%S&P −2.0%

3 months

+48.1%S&P +7.2%

6 months

−56.3%S&P +12.6%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for YSS

12 held · newest 512 held · newest 2

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See all 12 filings for YSS

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

$100KQ3 2025

$100KQ4 2025

$110KQ1 2026

$110KQ2 2026

Unchanged from Q1 2026. Reported to the Senate each quarter by the firms it hires.Original report ↗

Read from LDA.gov on Sep 23, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.