William A Zartler insider trades: Solaris Energy Infrastructure (SEI) stock buys and sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where William reports to the SEC
Open-market buys and sales
15 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Sep 9, 2025 | SEI | ↑ Buy | 10,000 | $24.83 | $248K | Direct | Sep 9, 2025 (0d) |
| May 21, 2025 | SEI | ↑ Buy | 10,000 | $21.78 | $218K | Direct | May 22, 2025 (1d) |
| Mar 7, 2025 | SEI | ↑ Buy | 10,000 | $23.23 | $232K | Direct | Mar 7, 2025 (0d) |
| Dec 16, 2022 | SOI | ↓ Sell | 23,000 | $9.50 | $219K | Direct | Dec 19, 2022 (3d) |
| Sep 15, 2022 | SOI | ↑ Buy | 10,000 | $10.47 | $105K | Direct | Sep 16, 2022 (1d) |
| May 9, 2022 | SOI | ↑ Buy | 7,000 | $10.99 | $77K | Direct | May 9, 2022 (0d) |
| Dec 7, 2021 | SOI | ↑ Buy | 10,000 | $6.64 | $66K | Direct | Dec 8, 2021 (1d) |
| Nov 22, 2021 | SOI | ↑ Buy | 15,000 | $6.71 | $101K | Direct | Nov 23, 2021 (1d) |
| Mar 10, 2021 | SOI | ↓ Sell | 400,000 | $12.75 | $5.1M | Indirect | Mar 11, 2021 (1d) |
| Feb 25, 2021 | SOI | ↓ Sell | 500,000 | $11.00 | $5.5M | Indirect | Feb 26, 2021 (1d) |
| May 22, 2018 | SOI | ↑ Buy | 6,000 | $16.17 | $97K | Direct | May 23, 2018 (1d) |
| Jan 11, 2018 | SOI | ↓ Sell | 567,444 | $21.65 | $12.3M | Indirect | Jan 16, 2018 (5d) |
| Jan 11, 2018 | SOI | ↓ Sell | 93,447 | $21.65 | $2.0M | Direct | Jan 16, 2018 (5d) |
| Nov 15, 2017 | SOI | ↓ Sell | 1,071,804 | $15.04 | $16.1M | Indirect | Nov 15, 2017 (0d) |
| Nov 15, 2017 | SOI | ↓ Sell | 190,964 | $15.04 | $2.9M | Direct | Nov 15, 2017 (0d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other SEI insiders
Open-market trades in the last 12 months
About William A Zartler's insider trades
William A Zartler is Chairman and Co-CEO at Solaris Energy Infrastructure (SEI). Since Nov 15, 2017, William has reported 8 open-market purchases worth $1.1M and 7 sales worth $44.1M on SEC Form 4. There have been no open-market trades in the last 12 months.
Their filings also include grants and awards (18 filings), shares withheld for taxes (16 filings), other transactions (5 filings), conversions (4 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 SEI insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.