Insider trading activities (stock purchases, sales, and option exercises)
reported by insiders of Bio-rad Laboratories, Inc. (BIO BIO.B)
since 2015 are shown in Table 1 and Table 2.
Table 1 shows the monthly insider trading data of Bio-rad Laboratories, Inc..
Table 2 shows the detailed insider transactions.
This company's CIK number is 12208.
Total stock buying since 2015: $109,792.
Total stock sales since 2015: $55,840,593.
Total stock option exercises since 2015: $57,303,542.
Table 3. Detailed insider trading at Bio-rad Laboratories, Inc. (BIO BIO.B)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2025-09-01 | Barry James (EVP, President, LSG) | Option Ex | 602 | .00 | 0 |
| 2025-09-01 | Corey Colleen (EVP, Global Human Resources) | Option Ex | 1,102 | .00 | 0 |
| 2025-09-01 | Allison Schwartz (Director) | Option Ex | 147 | .00 | 0 |
| 2025-09-01 | Schwartz Norman D (Chairman & CEO) | Option Ex | 6,353 | .00 | 0 |
| 2025-07-25 | Engelhardt Eva Anette (EVP, President, CDG) | Option Ex | 245 | .00 | 0 |
| 2025-04-24 | Enloe Courtney C (EVP, General Counsel & Sec) | Option Ex | 186 | .00 | 0 |
| 2025-04-24 | Lakkaraju Roop Kalyan (EVP, Chief Financial Officer) | Option Ex | 1,077 | .00 | 0 |
| 2025-04-22 | Pei Melinda Litherland (Director) | Option Ex | 308 | .00 | 0 |
| 2025-04-22 | Pinkston Arnold A (Director) | Option Ex | 308 | .00 | 0 |
| 2025-04-22 | Hinckley Gregory K (Director) | Option Ex | 308 | .00 | 0 |
| 2025-04-22 | Edwards Jeffrey L (Director) | Option Ex | 308 | .00 | 0 |
| 2025-03-14 | Crowley Michael (EVP, GBL Commercial Operations) | Sale | 3,000 | 247.06 | 741,183 |
| 2025-03-14 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 3,000 | 159.32 | 477,960 |
| 2024-10-20 | Evran Sedat (EVP, Global Supply Chain) | Option Ex | 1,044 | .00 | 0 |
| 2024-09-06 | Last Andrew J. (EVP, Chief Operating Officer) | Sale | 3,000 | 329.94 | 989,814 |
| 2024-09-06 | Last Andrew J. (EVP, Chief Operating Officer) | Option Ex | 3,000 | 299.24 | 897,720 |
| 2024-09-04 | Barry James (EVP, President, LSG) | Sale | 623 | 330.50 | 205,898 |
| 2024-09-03 | Barry James (EVP, President, LSG) | Option Ex | 217 | .00 | 0 |
| 2024-09-03 | Corey Colleen (EVP, Global Human Resources) | Option Ex | 495 | .00 | 0 |
| 2024-09-03 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 557 | .00 | 0 |
| 2024-09-02 | Barry James (EVP, President, LSG) | Option Ex | 265 | .00 | 0 |
| 2024-09-02 | Corey Colleen (EVP, Global Human Resources) | Option Ex | 361 | .00 | 0 |
| 2024-09-02 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 434 | .00 | 0 |
| 2024-09-02 | Last Andrew J. (EVP, Chief Operating Officer) | Option Ex | 903 | .00 | 0 |
| 2024-09-01 | Barry James (EVP, President, LSG) | Option Ex | 600 | .00 | 0 |
| 2024-09-01 | Corey Colleen (EVP, Global Human Resources) | Option Ex | 1,100 | .00 | 0 |
| 2024-09-01 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 1,676 | .00 | 0 |
| 2024-09-01 | Last Andrew J. (EVP, Chief Operating Officer) | Option Ex | 2,752 | .00 | 0 |
| 2024-06-13 | Crowley Michael (EVP, GBL Commercial Operations) | Sale | 369 | 281.91 | 104,023 |
| 2024-04-29 | Last Andrew J. (EVP, Chief Operating Officer) | Option Ex | 1,000 | .00 | 0 |
| 2024-02-28 | Ernst Timothy S (EVP, General Counsel & Sec) | Sale | 2,500 | 330.55 | 826,375 |
| 2024-02-28 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 2,500 | 326.15 | 815,375 |
| 2024-02-27 | Crowley Michael (EVP, GBL Commercial Operations) | Sale | 3,000 | 336.00 | 1,008,000 |
| 2024-02-27 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 3,000 | 215.98 | 647,940 |
| 2023-12-16 | Wright Dara (EVP, President, CDG) | Option Ex | 502 | .00 | 0 |
| 2023-12-12 | Wright Dara (EVP, President, CDG) | Sale | 1,200 | 299.16 | 358,992 |
| 2023-11-28 | Crowley Michael (EVP, GBL Commercial Operations) | Sale | 642 | 305.10 | 195,874 |
| 2023-11-01 | Schwartz Norman D (Chairman, President, and CEO) | Option Ex | 66,000 | 139.56 | 9,210,960 |
| 2023-09-04 | Corey Colleen (EVP, Global Human Resources) | Option Ex | 600 | .00 | 0 |
| 2023-09-04 | Dahowski Diane (EVP, Global Supply Chain) | Option Ex | 600 | .00 | 0 |
| 2023-09-04 | Allison Schwartz (Director) | Option Ex | 82 | .00 | 0 |
| 2023-09-04 | May Simon (EVP, President, LSG) | Option Ex | 600 | .00 | 0 |
| 2023-09-04 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 500 | .00 | 0 |
| 2023-09-04 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 600 | .00 | 0 |
| 2023-09-03 | Corey Colleen (EVP, Global Human Resources) | Option Ex | 495 | .00 | 0 |
| 2023-09-03 | Dahowski Diane (EVP, Global Supply Chain) | Option Ex | 495 | .00 | 0 |
| 2023-09-03 | Allison Schwartz (Director) | Option Ex | 56 | .00 | 0 |
| 2023-09-03 | May Simon (EVP, President, LSG) | Option Ex | 526 | .00 | 0 |
| 2023-09-03 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 464 | .00 | 0 |
| 2023-09-03 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 557 | .00 | 0 |
| 2023-09-02 | Corey Colleen (EVP, Global Human Resources) | Option Ex | 361 | .00 | 0 |
| 2023-09-02 | Dahowski Diane (EVP, Global Supply Chain) | Option Ex | 361 | .00 | 0 |
| 2023-09-02 | Allison Schwartz (Director) | Option Ex | 44 | .00 | 0 |
| 2023-09-02 | May Simon (EVP, President, LSG) | Option Ex | 409 | .00 | 0 |
| 2023-09-02 | Ramalingam Ajit (SVP, Chief Accounting Officer) | Option Ex | 241 | .00 | 0 |
| 2023-09-02 | Wright Dara (Executive Vice President) | Option Ex | 433 | .00 | 0 |
| 2023-09-02 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 361 | .00 | 0 |
| 2023-09-02 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 433 | .00 | 0 |
| 2023-09-02 | Last Andrew J. (EVP, Chief Operating Officer) | Option Ex | 903 | .00 | 0 |
| 2023-09-02 | Daskal Ilan (EVP, Chief Financial Officer) | Option Ex | 542 | .00 | 0 |
| 2023-09-01 | Corey Colleen (EVP, Global Human Resources) | Option Ex | 600 | .00 | 0 |
| 2023-09-01 | Dahowski Diane (EVP, Global Supply Chain) | Option Ex | 849 | .00 | 0 |
| 2023-09-01 | Allison Schwartz (Director) | Option Ex | 71 | .00 | 0 |
| 2023-09-01 | May Simon (EVP, President, LSG) | Option Ex | 891 | .00 | 0 |
| 2023-09-01 | Ramalingam Ajit (SVP, Chief Accounting Officer) | Option Ex | 342 | .00 | 0 |
| 2023-09-01 | Wright Dara (Executive Vice President) | Option Ex | 925 | .00 | 0 |
| 2023-09-01 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 600 | .00 | 0 |
| 2023-09-01 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 925 | .00 | 0 |
| 2023-09-01 | Last Andrew J. (EVP, Chief Operating Officer) | Option Ex | 1,500 | .00 | 0 |
| 2023-09-01 | Daskal Ilan (EVP, Chief Financial Officer) | Option Ex | 1,150 | .00 | 0 |
| 2023-08-30 | Ernst Timothy S (EVP, General Counsel & Sec) | Sale | 2,350 | 395.45 | 929,314 |
| 2023-08-30 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 2,350 | 215.98 | 507,553 |
| 2023-08-25 | Schwartz Norman D (Chairman, President, and CEO) | Option Ex | 49,072 | 19.58 | 960,976 |
| 2023-08-23 | Ernst Timothy S (EVP, General Counsel & Sec) | Sale | 300 | 384.69 | 115,407 |
| 2023-06-15 | Crowley Michael (EVP, GBL Commercial Operations) | Sale | 500 | 379.39 | 189,695 |
| 2023-06-06 | Ramalingam Ajit (SVP, Chief Accounting Officer) | Sale | 198 | 368.38 | 72,940 |
| 2023-05-03 | Schwartz Steven D (10% Owner) | Sale | 320 | 463.86 | 148,435 |
| 2023-04-29 | Ramalingam Ajit (SVP, Chief Accounting Officer) | Option Ex | 277 | .00 | 0 |
| 2023-04-29 | Last Andrew J. (EVP, Chief Operating Officer) | Option Ex | 1,000 | .00 | 0 |
| 2023-04-08 | Daskal Ilan (EVP, Chief Financial Officer) | Option Ex | 700 | .00 | 0 |
| 2023-03-08 | Ernst Timothy S (EVP, General Counsel & Sec) | Sale | 1,746 | 486.49 | 849,402 |
| 2023-03-08 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 1,000 | 187.65 | 187,650 |
| 2022-12-16 | Wright Dara (Executive Vice President) | Option Ex | 502 | .00 | 0 |
| 2022-09-05 | Dahowski Diane (EVP, Global Supply Chain) | Option Ex | 600 | .00 | 0 |
| 2022-09-05 | Allison Schwartz (Director) | Option Ex | 80 | .00 | 0 |
| 2022-09-05 | May Simon (EVP, President, LSG) | Option Ex | 600 | .00 | 0 |
| 2022-09-05 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 500 | .00 | 0 |
| 2022-09-05 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 600 | .00 | 0 |
| 2022-09-05 | Schwartz Norman D (Chairman, President, and CEO) | Option Ex | 2,600 | .00 | 0 |
| 2022-09-04 | Dahowski Diane (EVP, Global Supply Chain) | Option Ex | 600 | .00 | 0 |
| 2022-09-04 | Allison Schwartz (Director) | Option Ex | 82 | .00 | 0 |
| 2022-09-04 | May Simon (EVP, President, LSG) | Option Ex | 600 | .00 | 0 |
| 2022-09-04 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 500 | .00 | 0 |
| 2022-09-04 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 600 | .00 | 0 |
| 2022-09-04 | Schwartz Norman D (Chairman, President, and CEO) | Option Ex | 2,600 | .00 | 0 |
| 2022-09-03 | Dahowski Diane (EVP, Global Supply Chain) | Option Ex | 495 | .00 | 0 |
| 2022-09-03 | Allison Schwartz (Director) | Option Ex | 56 | .00 | 0 |
| 2022-09-03 | May Simon (EVP, President, LSG) | Option Ex | 526 | .00 | 0 |
| 2022-09-03 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 464 | .00 | 0 |
| 2022-09-03 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 557 | .00 | 0 |
| 2022-09-03 | Schwartz Norman D (Chairman, President, and CEO) | Option Ex | 2,319 | .00 | 0 |
| 2022-09-02 | Dahowski Diane (EVP, Global Supply Chain) | Option Ex | 361 | .00 | 0 |
| 2022-09-02 | Allison Schwartz (Director) | Option Ex | 43 | .00 | 0 |
| 2022-09-02 | May Simon (EVP, President, LSG) | Option Ex | 409 | .00 | 0 |
| 2022-09-02 | Ramalingam Ajit (SVP, Chief Accounting Officer) | Option Ex | 241 | .00 | 0 |
| 2022-09-02 | Wright Dara (Executive Vice President) | Option Ex | 433 | .00 | 0 |
| 2022-09-02 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 361 | .00 | 0 |
| 2022-09-02 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 433 | .00 | 0 |
| 2022-09-02 | Last Andrew J. (EVP, Chief Operating Officer) | Option Ex | 902 | .00 | 0 |
| 2022-09-02 | Daskal Ilan (EVP, Chief Financial Officer) | Option Ex | 541 | .00 | 0 |
| 2022-09-02 | Schwartz Norman D (Chairman, President, and CEO) | Option Ex | 1,805 | .00 | 0 |
| 2022-09-01 | Dahowski Diane (EVP, Global Supply Chain) | Option Ex | 329 | .00 | 0 |
| 2022-09-01 | Allison Schwartz (Director) | Option Ex | 30 | .00 | 0 |
| 2022-09-01 | May Simon (EVP, President, LSG) | Option Ex | 371 | .00 | 0 |
| 2022-09-01 | Ramalingam Ajit (SVP, Chief Accounting Officer) | Option Ex | 169 | .00 | 0 |
| 2022-09-01 | Wright Dara (Executive Vice President) | Option Ex | 405 | .00 | 0 |
| 2022-09-01 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 253 | .00 | 0 |
| 2022-09-01 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 405 | .00 | 0 |
| 2022-09-01 | Last Andrew J. (EVP, Chief Operating Officer) | Option Ex | 633 | .00 | 0 |
| 2022-09-01 | Daskal Ilan (EVP, Chief Financial Officer) | Option Ex | 455 | .00 | 0 |
| 2022-09-01 | Schwartz Norman D (Chairman, President, and CEO) | Option Ex | 1,266 | .00 | 0 |
| 2022-08-26 | Schwartz Norman D (Chairman, President, and CEO) | Option Ex | 39,250 | 107.32 | 4,212,310 |
| 2022-08-05 | Ramalingam Ajit (SVP, Chief Accounting Officer) | Sale | 518 | 537.00 | 278,166 |
| 2022-04-29 | Ramalingam Ajit (SVP, Chief Accounting Officer) | Option Ex | 277 | .00 | 0 |
| 2022-04-29 | Last Andrew J. (EVP, Chief Operating Officer) | Option Ex | 1,000 | .00 | 0 |
| 2022-04-08 | Daskal Ilan (EVP, Chief Financial Officer) | Option Ex | 700 | .00 | 0 |
| 2021-12-16 | Wright Dara (Executive Vice President) | Option Ex | 502 | .00 | 0 |
| 2021-11-12 | Tumolo Annette (Executive Vice President) | Sale | 4,800 | 750.05 | 3,600,240 |
| 2021-11-12 | Tumolo Annette (Executive Vice President) | Option Ex | 4,800 | 233.82 | 1,122,321 |
| 2021-11-11 | Tumolo Annette (Executive Vice President) | Sale | 1,546 | 748.97 | 1,157,912 |
| 2021-11-11 | Tumolo Annette (Executive Vice President) | Option Ex | 1,546 | 396.99 | 613,751 |
| 2021-09-07 | Tumolo Annette (Executive Vice President) | Option Ex | 600 | .00 | 0 |
| 2021-09-07 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 500 | .00 | 0 |
| 2021-09-07 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 600 | .00 | 0 |
| 2021-09-07 | Schwartz Norman D (Chairman, President, and CEO) | Option Ex | 40,000 | 50.03 | 2,001,200 |
| 2021-09-05 | Tumolo Annette (Executive Vice President) | Option Ex | 600 | .00 | 0 |
| 2021-09-05 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 500 | .00 | 0 |
| 2021-09-05 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 600 | .00 | 0 |
| 2021-09-05 | Schwartz Norman D (Chairman, President, and CEO) | Option Ex | 2,600 | .00 | 0 |
| 2021-09-04 | Tumolo Annette (Executive Vice President) | Option Ex | 600 | .00 | 0 |
| 2021-09-04 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 500 | .00 | 0 |
| 2021-09-04 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 600 | .00 | 0 |
| 2021-09-04 | Schwartz Norman D (Chairman, President, and CEO) | Option Ex | 2,600 | .00 | 0 |
| 2021-09-03 | Tumolo Annette (Executive Vice President) | Option Ex | 557 | .00 | 0 |
| 2021-09-03 | Ernst Timothy S (EVP, General Counsel & Sec) | Option Ex | 464 | .00 | 0 |
| 2021-09-03 | Crowley Michael (EVP, GBL Commercial Operations) | Option Ex | 557 | .00 | 0 |
| 2021-09-03 | Daskal Ilan (EVP, Chief Financial Officer) | Sale | 270 | 820.06 | 221,416 |
| 2021-09-03 | Schwartz Norman D (Chairman, President, and CEO) | Option Ex | 2,319 | .00 | 0 |
| 2021-09-02 | Ramalingam Ajit (SVP, Chief Accounting Officer) | Option Ex | 240 | .00 | 0 |
| 2021-09-02 | Wright Dara (Executive Vice President) | Option Ex | 433 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises
of BIO BIO.B listed in the above tables cannot be completely guaranteed as to their accuracy.
For more insider trading information of Bio-rad Laboratories, Inc. (symbol BIO BIO.B,
CIK number 12208) see
the Securities and Exchange Commission (SEC) website.