Zartler William A, Chairman and CEO of Solaris Energy Infrastructure, Inc. ($SEI), made two open market purchases of company shares worth a total of $466,100 in the last 365 days. His most recent buy occurred on September 9, 2025. These purchases rank 929th among nearly 5,000 insiders in our database by total amount bought, compared to an average of 1.5 million dollars per insider across about 3.3 transactions. Zartler William A reported no open market sales during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 1, 2026 | Solaris Energy Infrastructure, Inc. | $SEI | Zartler William A | Chairman and Co-CEO | A | Class A Common Stock | 150000 | $0.00 | 1,199,227.0000 | 29,923 | 14.30% | 100.00% |
| March 1, 2026 | Solaris Energy Infrastructure, Inc. | $SEI | Zartler William A | Chairman and Co-CEO | A | Class A Common Stock | 115656 | $0.00 | 1,314,883.0000 | 29,923 | 9.64% | 100.00% |
| Oct. 15, 2025 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | D | Performance-Based Restricted Stock Units | 162712 | $0.00 | 0.0000 | 33,494,725 | 100.00% | 0.49% |
| Oct. 15, 2025 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | D | Performance-Based Restricted Stock Units | 139473 | $0.00 | 0.0000 | 33,494,725 | 100.00% | 0.42% |
| Oct. 15, 2025 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | D | Aris Water Holdings, LLC Units | 1064617 | $0.00 | 0.0000 | 33,494,725 | 100.00% | 3.18% |
| Oct. 15, 2025 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | D | Aris Water Holdings, LLC Units | 488474 | $0.00 | 0.0000 | 33,494,725 | 100.00% | 1.46% |
| Oct. 15, 2025 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | D | Class B Common Stock | 1064617 | $0.00 | 0.0000 | 33,494,725 | 100.00% | 3.18% |
| Oct. 15, 2025 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | D | Class B Common Stock | 488474 | $0.00 | 0.0000 | 33,494,725 | 100.00% | 1.46% |
| Oct. 15, 2025 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | D | Class A Common Stock | 584270 | $0.00 | 0.0000 | 33,494,725 | 100.00% | 1.74% |
| Oct. 15, 2025 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | D | Performance-Based Restricted Stock Units | 56497 | $0.00 | 0.0000 | 33,494,725 | 100.00% | 0.17% |
| Sept. 9, 2025 | Solaris Energy Infrastructure, Inc. | $SEI | Zartler William A | CHAIRMAN AND CEO | P | Class A Common Stock | 10000 | $24.83 | 1,049,227.0000 | 29,923 | 0.96% | 33.42% |
| May 21, 2025 | Solaris Energy Infrastructure, Inc. | $SEI | Zartler William A | CHAIRMAN AND CEO | P | Class A Common Stock | 10000 | $21.78 | 1,039,227.0000 | 29,923 | 0.97% | 33.42% |
| March 6, 2025 | Solaris Energy Infrastructure, Inc. | $SEI | Zartler William A | CHAIRMAN AND CEO | P | Class A Common Stock | 10000 | $24.07 | 1,019,227.0000 | 29,923 | 0.99% | 33.42% |
| March 6, 2025 | Solaris Energy Infrastructure, Inc. | $SEI | Zartler William A | CHAIRMAN AND CEO | A | Class A Common Stock | 10000 | $24.07 | 1,019,227.0000 | 29,923 | 0.99% | 33.42% |
| March 6, 2025 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | A | Class A Common Stock | 83725 | $0.00 | 584,270.0000 | 30,877,637 | 16.73% | 0.27% |
| March 7, 2025 | Solaris Energy Infrastructure, Inc. | $SEI | Zartler William A | CHAIRMAN AND CEO | P | Class A Common Stock | 10000 | $23.23 | 1,029,227.0000 | 29,923 | 0.98% | 33.42% |
| March 1, 2025 | Solaris Energy Infrastructure, Inc. | $SEI | Zartler William A | CHAIRMAN AND CEO | F | Class A Common Stock | 81114 | $34.15 | 1,009,227.0000 | 29,923 | 7.44% | 100.00% |
| March 1, 2025 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | F | Class A Common Stock | 41545 | $31.46 | 500,545.0000 | 30,877,637 | 7.66% | 0.13% |
| March 1, 2025 | Solaris Energy Infrastructure, Inc. | $SEI | Zartler William A | CHAIRMAN AND CEO | A | Class A Common Stock | 225378 | $0.00 | 1,090,341.0000 | 29,923 | 26.06% | 100.00% |
| Feb. 12, 2025 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | A | Class A Common Stock | 54935 | $0.00 | 558,589.0000 | 30,877,637 | 10.91% | 0.18% |
| Feb. 12, 2025 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | F | Class A Common Stock | 16499 | $28.06 | 542,090.0000 | 30,877,637 | 2.95% | 0.05% |
| Dec. 16, 2024 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | F | Class A Common Stock | 27012 | $25.81 | 503,654.0000 | 30,919,575 | 5.09% | 0.09% |
| Oct. 22, 2024 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | F | Class A Common Stock | 12865 | $16.26 | 530,666.0000 | 30,919,575 | 2.37% | 0.04% |
| March 1, 2024 | Solaris Energy Infrastructure, Inc. | $SEI | Zartler William A | CHAIRMAN AND CEO | A | Class A Common Stock | 267411 | $0.00 | 917,551.0000 | 29,923 | 41.13% | 100.00% |
| March 1, 2024 | Solaris Energy Infrastructure, Inc. | $SEI | Zartler William A | CHAIRMAN AND CEO | F | Class A Common Stock | 52588 | $8.47 | 864,963.0000 | 29,923 | 5.73% | 100.00% |
| March 1, 2024 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | F | Class A Common Stock | 21126 | $12.04 | 421,497.0000 | 30,037,681 | 4.77% | 0.07% |
| March 1, 2024 | Aris Water Solutions, Inc. | $ARIS | Zartler William A | Founder and Executive Chairman | A | Class A Common Stock | 122034 | $0.00 | 543,531.0000 | 30,037,681 | 28.95% | 0.41% |