Geist William (CIK 1832210) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-18). Recent activity: Buy TECH (6,416 shares), Sell TECH (1,976 shares), Buy TECH (9,911 shares), Sell TECH (4,520 shares), Buy TECH (2,623 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | BIO-TECHNE Corp (TECH) | PRESIDENT, PROTEIN SCIENCES | Buy | 6,416 | $0 |
| 2026-08-18 | BIO-TECHNE Corp (TECH) | PRESIDENT, PROTEIN SCIENCES | Sell | 1,976 | $143,062 |
| 2025-11-05 | BIO-TECHNE Corp (TECH) | PRESIDENT, PROTEIN SCIENCES | Buy | 9,911 | $0 |
| 2025-11-05 | BIO-TECHNE Corp (TECH) | PRESIDENT, PROTEIN SCIENCES | Sell | 4,520 | $282,816 |
| 2025-08-19 | BIO-TECHNE Corp (TECH) | PRESIDENT, PROTEIN SCIENCES | Buy | 2,623 | $0 |
| 2025-08-19 | BIO-TECHNE Corp (TECH) | PRESIDENT, PROTEIN SCIENCES | Sell | 803 | $43,041 |
Source: SEC Form 4 filings · as of 2026-08-18