Solaris Energy Infrastructure, Inc. (SEI) Insider Trading
Over the last 3 months, SEI insiders made 2 open-market buys and 8 sales, a net sale of -$297.3M (SEC Form 4). Over the last 6 months, 275 institutions increased and 193 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
2
Sells (3m)
8
Net (3m)
-$297.3M
Insiders buying
Insider trades by month Buys Sells
Jul
Aug
Sep
Nov
Dec
May
Context3-month price +48.3%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 2, 2026 | Wirtz Christopher P.officer: Chief Accounting Officer | Tax | 1,303 | $69.54 |
| May 13, 2026 | Wirtz Christopher P.officer: Chief Accounting Officer | Sell | 700 | $77.22 |
| May 13, 2026 | Argo Laurie Hdirector | Sell | 5,200 | $72.88 |
| May 12, 2026 | Powell Christopher Mofficer: Chief Legal Officer | Sell | 9,179 | $73.90 |
| May 12, 2026 | Powell Christopher Mofficer: Chief Legal Officer | Sell | 25,492 | $74.84 |
| May 12, 2026 | Powell Christopher Mofficer: Chief Legal Officer | Sell | 2,181 | $75.33 |
| May 11, 2026 | TEAGUE AJdirector | Buy | 3,425 | $72.98 |
| May 11, 2026 | Walker Ray N JRdirector | Sell | 56,841 | $72.11 |
| May 11, 2026 | TEAGUE AJdirector | Buy | 2,750 | $72.98 |
| May 7, 2026 | Keenan W Howard JRdirector | Sell | 2,000,000 | $74.50 |
| May 4, 2026 | KTR Management Company, LLC10 percent owner | Sell | 2,000,000 | $70.75 |
| Mar 3, 2026 | Powell Christopher Mofficer: Chief Legal Officer | Grant | 29,723 | — |
| Mar 3, 2026 | Powell Christopher Mofficer: Chief Legal Officer | Grant | 18,165 | — |
| Mar 3, 2026 | Durrett Cynthia M.director, officer: Chief Administrative Officer | Tax | 26,940 | $49.63 |
| Mar 3, 2026 | Durrett Cynthia M.director, officer: Chief Administrative Officer | Grant | 28,871 | — |
| Mar 3, 2026 | Durrett Cynthia M.director, officer: Chief Administrative Officer | Grant | 21,444 | — |
| Mar 3, 2026 | Wirtz Christopher P.officer: Chief Accounting Officer | Grant | 1,814 | — |
| Mar 3, 2026 | Wirtz Christopher P.officer: Chief Accounting Officer | Tax | 2,206 | $49.63 |
| Mar 3, 2026 | Wirtz Christopher P.officer: Chief Accounting Officer | Grant | 3,296 | — |
| Mar 3, 2026 | Zartler William Adirector, 10 percent owner, officer: Chairman and Co-CEO | Grant | 115,656 | — |
| Mar 3, 2026 | Zartler William Adirector, 10 percent owner, officer: Chairman and Co-CEO | Grant | 150,000 | — |
| Mar 3, 2026 | Brock Amanda Mdirector, officer: Co-Chief Executive Officer | Grant | 135,000 | — |
| Mar 3, 2026 | Ramachandran Kyle S.officer: President | Tax | 49,902 | $49.63 |
| Mar 3, 2026 | Ramachandran Kyle S.officer: President | Grant | 50,339 | — |
| Mar 3, 2026 | Ramachandran Kyle S.officer: President | Grant | 37,004 | — |
| Mar 3, 2026 | Powell Christopher Mofficer: Chief Legal Officer | Tax | 27,534 | $49.63 |
| Feb 17, 2026 | Tompsett Stephan Eofficer: Chief Financial Officer | Grant | 30,000 | — |
| Dec 18, 2025 | Argo Laurie Hdirector | Sell | 2,300 | $44.25 |
| Dec 18, 2025 | TEAGUE AJdirector | Buy | 2,310 | $43.13 |
| Dec 18, 2025 | Durrett Cynthia M.director, officer: CHIEF ADMINISTRATIVE OFFICER | Sell | 47,011 | $44.62 |
Source: SEI SEC Form 4 filings, latest Jun 2, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SEI positions over the last 6 months (SEC Form 13F).
Increased
275
New positions
178
Reduced
193
Sold out
91
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Reduced | 4.3M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 4.1M | May 13, 2026 |
| VANGUARD GROUP INC | Increased | 2.9M | Jan 29, 2026 |
| ENCOMPASS CAPITAL ADVISORS LLC | Reduced | 2.6M | Feb 17, 2026 |
| FMR LLC | Increased | 2.3M | Feb 17, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 2.3M | May 15, 2026 |
| MORGAN STANLEY | Increased | 2.1M | Feb 13, 2026 |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | Increased | 2.1M | Feb 17, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.0M | May 15, 2026 |
| VAN ECK ASSOCIATES CORP | Increased | 2.0M | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 1.9M | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 1.9M | Mar 25, 2026 |
| SITUATIONAL AWARENESS LP | Increased | 1.9M | Feb 11, 2026 |
| FMR LLC | Reduced | 1.9M | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 1.8M | Feb 17, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.