SCHWARTZ NORMAN D (CIK 940805) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-09-09). Recent activity: Buy BIO BIO.B (3,455 shares), Sell BIO BIO.B (1,528 shares), Buy BIO BIO.B (6,353 shares), Sell BIO BIO.B (3,084 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-09-09 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | Chairman & CEO | Buy | 3,455 | $0 |
| 2025-09-09 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | Chairman & CEO | Sell | 1,528 | $451,417 |
| 2025-09-03 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | Chairman & CEO | Buy | 6,353 | $0 |
| 2025-09-03 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | Chairman & CEO | Sell | 3,084 | $918,662 |
Source: SEC Form 4 filings · as of 2025-09-09