Investor Zartler William A
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Zartler William A . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2025-02-14 13G/A SEI / Solaris Energy Infrastructure, Inc. 4,890,455 5,105,278
2024-02-15 13G/A SEI / Solaris Energy Infrastructure, Inc. 4,778,490 4,890,455
2023-02-16 13G/A SEI / Solaris Energy Infrastructure, Inc. 4,583,976 4,778,490
2023-02-14 13G/A ARIS / Aris Water Solutions, Inc. 2,315,818 1,666,692
2022-02-15 13G/A SOI / Solaris Oilfield Infrastructure, Inc. 5,366,109 4,583,976
2022-02-14 13G ARIS / Aris Water Solutions, Inc. 2,315,818
2021-02-16 13G/A SOI / Solaris Oilfield Infrastructure, Inc. 5,324,226 5,366,109
2020-02-07 13G/A SOI / Solaris Oilfield Infrastructure, Inc. 5,224,226 5,324,226
2019-01-29 13G/A SOI / Solaris Oilfield Infrastructure, Inc. 5,218,226 5,224,226
2018-02-14 13G SOI / Solaris Oilfield Infrastructure, Inc. 5,218,226