Sanfratello Louisa (CIK 1577896) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-29). Recent activity: Buy AMPG (50,000 shares), Sell AMPG (50,000 shares), Buy AMPG (50,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-29 | AmpliTech Group, Inc. (AMPG) | Chief Financial Officer | Buy | 50,000 | $176,000 |
| 2026-05-29 | AmpliTech Group, Inc. (AMPG) | Chief Financial Officer | Sell | 50,000 | $240,000 |
| 2026-02-03 | AmpliTech Group, Inc. (AMPG) | Chief Financial Officer | Buy | 50,000 | $152,000 |
来源：SEC Form 4 申报文件 · 截至 2026-05-29