Solaris Energy Infrastructure, Inc. (SEI) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Solaris Energy Infrastructure are Director W Howard Jr Keenan (7.17Mn shares), TenPercentOwner Energy Partners X, L.P. Yorktown (7.08Mn shares), TenPercentOwner Holdings, Lp Thrc (3.18Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
W Howard Jr Keenan 7,168,284 26 Aug, 2025
Energy Partners X, L.P. Yorktown 7,079,234 18 Dec, 2024
Holdings, Lp Thrc 3,178,875 12 Dec, 2023
William A Zartler Chairman And Ceo 1,049,227 09 Sep, 2025
Kyle S. Ramachandran President And Cfo 370,338 09 Sep, 2025
Kelly L. Price 271,519 04 Mar, 2025
Amanda M Brock Co Chief Executive Officer 141,080 18 Dec, 2025
Cynthia M. Durrett Chief Administrative Officer 131,152 18 Dec, 2025
Christopher M Powell Chief Legal Officer 130,615 28 Aug, 2025
Aj Teague 114,775 18 Dec, 2025
Edgar R. Jr. Giesinger 90,956 26 Aug, 2025
F Gardner Parker 84,812 27 Aug, 2024
Ray N Jr Walker 62,601 26 Aug, 2025
Laurie H Argo 50,039 18 Dec, 2025
Lindsay R. Bourg Chief Accounting Officer 34,815 03 Mar, 2023
Christopher P. Wirtz Chief Accounting Officer 33,881 02 Jun, 2025
Stephan E Tompsett Chief Financial Officer 30,000 17 Feb, 2026
Mario Max Yzaguirre 8,324 26 Aug, 2025
James R Burke 6,496 12 Dec, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
12 Feb, 2026 Stephan E Tompsett Class A Common Stock A 30,000 $0.00 30,000 D A
17 Dec, 2025 Aj Teague - - 8,310 I
17 Dec, 2025 Aj Teague Class A Common Stock A 2,310 $43.11 8,310 I P
17 Dec, 2025 Aj Teague Class A Common Stock A 2,310 $43.13 106,465 D P
17 Dec, 2025 Laurie H Argo Class A Common Stock D 2,300 $44.25 50,039 D S
17 Dec, 2025 Cynthia M. Durrett - - 131,152 D
17 Dec, 2025 Cynthia M. Durrett Class A Common Stock D 47,011 $44.62 131,152 D S
17 Dec, 2025 Amanda M Brock Class A Common Stock A 3,669 $40.89 141,080 D P
10 Dec, 2025 James R Burke - - 5,696 D
10 Dec, 2025 James R Burke Class A Common Stock D 11,277 $53.03 5,696 D S
04 Nov, 2025 Management Company, Llc Ktr Class A Common Stock A 2,114,783 $0.00 2,114,783 D C
04 Nov, 2025 Management Company, Llc Ktr Class A Common Stock D 2,114,783 $50.15 0 D S
04 Nov, 2025 Management Company, Llc Ktr - - 2,114,783 D
04 Nov, 2025 Management Company, Llc Ktr Class B Common Stock D 2,114,783 $0.00 2,000,000 D J
04 Nov, 2025 Management Company, Llc Ktr - - 2,000,000 D
04 Nov, 2025 Management Company, Llc Ktr - - 0 D
16 Oct, 2025 Amanda M Brock Class A Common Stock A 125,000 $0.00 137,411 D A
16 Oct, 2025 Amanda M Brock - - 137,411 D
10 Sep, 2025 James R Burke Class A Common Stock D 5,000 $29.22 16,973 D S
09 Sep, 2025 William A Zartler Class A Common Stock A 10,000 $24.83 1,049,227 D P