Amanda M Brock bought $150k of SEI
Co-Chief Executive Officer at Solaris Oilfield Infrastructure, Inc.. 3,669 shares at an average of $40.89, traded Dec 17, 2025, filed Dec 18, 2025.
Score components
- +25RoleCEO
- +11Trade size$150k at market
- 0Relative to holdingsHoldings up 2.7%
- +4Price context26% below the 52-week high
- +8Cluster2 insiders buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +32.1%, 3m +53.4%, 6m +93.3%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001714868-25-000012, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 17, 2025 | POpen-market purchase Class A Common Stock | +3,669 | $40.89 | $150k | 141,080 | Dec 18, 2025 |
Related signals
Other insiders at Solaris Oilfield Infrastructure, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 40Moderate | SEIbuy Solaris Oilfield Infrastructure, Inc. | Aj Teague director | $501k 7,800 shares | +7% | |
| 51Moderate | Solaris Oilfield Infrastructure, Inc. | Laurie H Argo director | $379k 5,200 shares | -10% | |
| 37Weak | Solaris Oilfield Infrastructure, Inc. | Christopher P. Wirtz Chief Accounting Officer | $54k 700 shares | -2% | |
| 60Notable | Solaris Oilfield Infrastructure, Inc. | Christopher M Powell Chief Legal Officer | $2.8M 36,852 shares | -24% | |
| 75Notable | Solaris Oilfield Infrastructure, Inc. | Ray N Walker JR director | $4.1M 56,841 shares | -91% | |
| 35Weak | SEIbuy Solaris Oilfield Infrastructure, Inc. | Aj Teague director | $451k 6,175 shares | +6% | |
| 75Notable | Solaris Oilfield Infrastructure, Inc. | W Howard Keenan JR director | $149M 2,000,000 shares | -100% | |
| 72Notable | Solaris Oilfield Infrastructure, Inc. | KTR Management Company, LLC owner | $142M 2,000,000 shares | -100% | |
| 40Moderate | Solaris Oilfield Infrastructure, Inc. | Laurie H Argo director | $102k 2,300 shares | -4% | |
| 65Notable | Solaris Oilfield Infrastructure, Inc. | Cynthia M. Durrett CHIEF ADMINISTRATIVE OFFICER | $2.1M 47,011 shares | -26% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.