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Tami A. Erwin

Tami A. Erwin insider trades: Yellowstone Midco Holdings II (YSS) stock buys and sales

Yellowstone Midco Holdings II Last trade Jan 30, 2026 131 Form 4 filings
$0
Sold, last 12 months
0 sales
$100K
Bought, last 12 months
1 buy
6
Open-market trades
since 2019
5
Companies
last trade 2026

Trades on the price chart

Daily close, with an arrow on each day they bought or sold

Companies

Where Tami reports to the SEC

Open-market buys and sales

6 trades reported on SEC Form 4, newest first

DateStockTypeValue
Jan 30, 2026YSS↑ Buy$100K
Jun 6, 2023DE↑ Buy$250K
Apr 26, 2022VZ↓ Sell$1.2M
Jun 2, 2021DE↑ Buy$99K
May 3, 2021VZ↓ Sell$2.0M
Aug 29, 2019VZ↓ Sell$982K

Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.

Other YSS insiders

Open-market trades in the last 12 months

About Tami A. Erwin's insider trades

Tami A. Erwin is an insider at Yellowstone Midco Holdings II (YSS). Since Aug 29, 2019, Tami has reported 3 open-market purchases worth $449K and 3 sales worth $4.2M on SEC Form 4. In the last 12 months: 1 buy ($100K).

Their filings also include grants and awards (114 filings), option exercises (14 filings), shares withheld for taxes (12 filings), gifts (2 filings). These aren't open-market trades and aren't counted above.

How to read insider trades

Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every YSS insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.