SCHWARTZ NORMAN D (CIK 940805) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-09). Recent activity: Buy BIO BIO.B (4,109 shares), Sell BIO BIO.B (2,876 shares), Buy BIO BIO.B (3,455 shares), Sell BIO BIO.B (1,854 shares), Buy BIO BIO.B (5,087 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-09 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | Chairman & CEO | Buy | 4,109 | $0 |
| 2026-09-09 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | Chairman & CEO | Sell | 2,876 | $1.1M |
| 2026-09-09 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | Chairman & CEO | Buy | 3,455 | $0 |
| 2026-09-09 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | Chairman & CEO | Sell | 1,854 | $715,848 |
| 2026-09-03 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | Chairman & CEO | Buy | 5,087 | $0 |
| 2026-09-03 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | Chairman & CEO | Sell | 2,336 | $889,923 |
| 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 2026-09-09