Lakkaraju Roop Kalyan (CIK 1396867) reported 10 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-09-09). Recent activity: Buy BIO BIO.B (1,370 shares), Sell BIO BIO.B (559 shares), Buy BIO BIO.B (1,536 shares), Sell BIO BIO.B (782 shares), Buy BIO BIO.B (1,078 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-09 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | EVP, Chief Financial Officer | Buy | 1,370 | $0 |
| 2026-09-09 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | EVP, Chief Financial Officer | Sell | 559 | $215,835 |
| 2026-09-09 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | EVP, Chief Financial Officer | Buy | 1,536 | $0 |
| 2026-09-09 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | EVP, Chief Financial Officer | Sell | 782 | $301,938 |
| 2026-04-28 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | EVP, Chief Financial Officer | Buy | 1,078 | $0 |
| 2026-04-28 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | EVP, Chief Financial Officer | Sell | 420 | $120,893 |
| 2025-09-09 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | EVP, Chief Financial Officer | Buy | 1,535 | $0 |
| 2025-09-09 | BIO-RAD LABORATORIES, INC. (BIO BIO.B) | EVP, Chief Financial Officer | Sell | 550 | $162,486 |
| 2025-04-25 | BIO-RAD LABORATORIES, INC. (BIO BIOB) | EVP, Chief Financial Officer | Buy | 1,077 | $0 |
| 2025-04-25 | BIO-RAD LABORATORIES, INC. (BIO BIOB) | EVP, Chief Financial Officer | Sell | 386 | $96,400 |
来源：SEC Form 4 申报文件 · 截至 2026-09-09