Katz Avi S (CIK 1451693) reported 8 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-09-04). Recent activity: Buy HDRN (707,916 shares), Buy HDRN (67,395 shares), Buy HDRN (87,500 shares), Buy HDRN (87,500 shares), Buy HDRN (9.9M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-04 | Hadron Energy, Inc. (HDRN) | Chairman | Buy | 707,916 | $1.3M |
| 2026-08-13 | Hadron Energy, Inc. (HDRN) | Chairman | Buy | 67,395 | $124,007 |
| 2026-05-27 | Hadron Energy, Inc. (HDRN) | Chairman | Buy | 87,500 | $0 |
| 2026-05-27 | Hadron Energy, Inc. (HDRN) | Chairman | Buy | 87,500 | $0 |
| 2026-05-27 | Hadron Energy, Inc. (HDRN) | Chairman | Buy | 9.9M | $0 |
| 2026-03-24 | QT IMAGING HOLDINGS, INC. (QTI) | Chairman | Buy | 3,500 | $0 |
| 2026-01-23 | QT IMAGING HOLDINGS, INC. (QTIH) | CHAIRMAN | Buy | 24,107 | $155,008 |
| 2025-04-10 | QT IMAGING HOLDINGS, INC. (QTI) | Chairman | Buy | 392,464 | $251,177 |
来源：SEC Form 4 申报文件 · 截至 2026-09-04