Zartler William A (CIK 1520378) reported 7 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-03-03). Recent activity: Buy SEI (150,000 shares), Buy SEI (115,656 shares), Sell ARIS (584,270 shares), Sell ARIS (488,474 shares), Sell ARIS (1.1M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-03 | Solaris Energy Infrastructure, Inc. (SEI) | Chairman and Co-CEO | Buy | 150,000 | $0 |
| 2026-03-03 | Solaris Energy Infrastructure, Inc. (SEI) | Chairman and Co-CEO | Buy | 115,656 | $0 |
| 2025-10-15 | Aris Water Solutions, Inc. (ARIS) | Founder and Executive Chairman | Sell | 584,270 | $0 |
| 2025-10-15 | Aris Water Solutions, Inc. (ARIS) | Founder and Executive Chairman | Sell | 488,474 | $0 |
| 2025-10-15 | Aris Water Solutions, Inc. (ARIS) | Founder and Executive Chairman | Sell | 1.1M | $0 |
| 2025-09-09 | Solaris Energy Infrastructure, Inc. (SEI) | CHAIRMAN AND CEO | Buy | 10,000 | $248,300 |
| 2025-05-22 | Solaris Energy Infrastructure, Inc. (SEI) | CHAIRMAN AND CEO | Buy | 10,000 | $217,800 |
来源：SEC Form 4 申报文件 · 截至 2026-03-03