YSS insider buying – Yellowstone Midco Holdings II, LLC
3 insider purchases since 2016 worth $25.7M by 3 different insiders. Last 12 months: 3 purchases, $25.7M. Most recent filing: 2026-02-03.
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| BlackRock Portfolio Management LLC 10% Owner | $25.6M 1× · 752,500 sh | 2026-01-30 2026-01-30 | 4× · $18.4M last 2026-08-06 | 16,918,789 shares as of 2026-08-10 | Sold part |
| Erwin Tami A. Director | $99,994 1× · 2,941 sh | 2026-01-30 2026-01-30 | – | 79,984 shares as of 2026-02-03 | Holds - never sold |
| Letarte Tyler Director | $49,980 1× · 1,470 sh | 2026-01-30 2026-01-30 | – | 6,764 shares as of 2026-02-03 | Holds - never sold |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 3 | $25.7M | 3 | 4 | $18.4M |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2026-02-03 | Letarte Tyler | Director | 1,470 | $34.00 | $49,980 | SEC | |
| 2026-02-03 | Erwin Tami A. | Director | 2,941 | $34.00 | $99,994 | +3.8% | SEC |
| 2026-02-03 | BlackRock Portfolio Management LLC | 10% Owner | 752,500 | $34.00 | $25.6M | +4.4% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-10 | BlackRock Portfolio Management LLC | 10% Owner | 401,674 | $11.30 | $4.5M | Sale | SEC |
| 2026-08-06 | BlackRock Portfolio Management LLC | 10% Owner | 661,999 | $15.14 | $10.0M | Sale | SEC |
| 2026-08-04 | BlackRock Portfolio Management LLC | 10% Owner | 49,328 | $15.11 | $745,313 | Sale | SEC |
| 2026-07-31 | BlackRock Portfolio Management LLC | 10% Owner | 204,213 | $15.22 | $3.1M | Sale | SEC |
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
Get every new insider purchase the day it's filed
Daily report with all SEC insider buys, cluster buys, company events and the crypto money-flow radar.
Get started free