There have been 50 recent insider transactions recorded for Bio-Rad Laboratories, Inc. (BIO), including 22 buys and 27 sells. Total insider buying was valued at $8.48M and total insider selling at $2.7M.
Notable insiders with recent activity include Barry James, Divincenzo Jonathan P., Evran Sedat. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — BIO
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2025-11-06 |
Barry James |
EVP, President, Lsg |
Informative Sell |
700 |
$306.18 |
$214.33K |
510 |
| 2025-10-24 |
Divincenzo Jonathan P. |
President & COO |
Tax Withholding of RSU |
950 |
$339.75 |
$322.76K |
919 |
| 2025-10-20 |
Evran Sedat |
EVP, Global Supply Chain |
Option Exercise (Sell) |
1,044 |
- |
- |
2,088 |
| 2025-09-01 |
Schwartz Norman D |
10 Percent Owner, Officer: Chairman & CEO |
Option Exercise (Sell) |
1,266 |
- |
- |
- |
| 2025-09-01 |
Allison Schwartz |
Director |
Option Exercise (Sell) |
31 |
- |
- |
- |
| 2025-09-01 |
Corey Colleen |
EVP, Global Human Resources |
Option Exercise (Sell) |
254 |
- |
- |
- |
| 2025-09-01 |
Barry James |
EVP, President, Lsg |
Option Exercise (Sell) |
178 |
- |
- |
- |
| 2025-08-04 |
Mehta Rajat |
EVP, Gbl Commercial Operations |
Unknown |
- |
- |
- |
- |
| 2025-07-25 |
Engelhardt Eva Anette |
EVP, President, Cdg |
Tax Withholding of RSU |
88 |
$264.19 |
$23.25K |
157 |
| 2025-04-24 |
Lakkaraju Roop Kalyan |
EVP, Chief Financial Officer |
Tax Withholding of RSU |
386 |
$249.74 |
$96.4K |
845 |
| 2025-04-24 |
Enloe Courtney C |
EVP, General Counsel & Sec |
Tax Withholding of RSU |
67 |
$249.74 |
$16.73K |
129 |
| 2025-04-22 |
Edwards Jeffrey L |
Director |
Option Exercise (Sell) |
308 |
- |
- |
- |
| 2025-04-22 |
Hinckley Gregory K |
Director |
Option Exercise (Sell) |
308 |
- |
- |
- |
| 2025-04-22 |
Pinkston Arnold A |
Director |
Option Exercise (Sell) |
308 |
- |
- |
- |
| 2025-04-22 |
Pei Melinda Litherland |
Director |
Option Exercise (Sell) |
308 |
- |
- |
- |
| 2025-03-14 |
Crowley Michael |
EVP, Gbl Commercial Operations |
Option Exercise (Sell) |
3,000 |
$159.32 |
$477.96K |
- |
| 2025-03-03 |
Schwartz Norman D |
10 Percent Owner, Officer: Chairman & CEO |
RSU Award |
11,671 |
$256.45 |
$2.99M |
11,671 |
| 2025-03-03 |
Lakkaraju Roop Kalyan |
EVP, Chief Financial Officer |
RSU Award |
3,891 |
$256.45 |
$997.85K |
3,891 |
| 2025-03-03 |
Divincenzo Jonathan P. |
President & COO |
RSU Award |
4,863 |
$256.45 |
$1.25M |
4,863 |
| 2025-03-03 |
Corey Colleen |
EVP, Global Human Resources |
RSU Award |
1,946 |
$256.45 |
$499.05K |
1,946 |
| 2025-03-03 |
Evran Sedat |
EVP, Global Supply Chain |
RSU Award |
2,918 |
$256.45 |
$748.32K |
2,918 |
| 2025-03-03 |
Enloe Courtney C |
EVP, General Counsel & Sec |
RSU Award |
1,946 |
$256.45 |
$499.05K |
1,946 |
| 2025-03-03 |
Barry James |
EVP, President, Lsg |
RSU Award |
2,918 |
$256.45 |
$748.32K |
2,918 |
| 2025-03-03 |
Engelhardt Eva Anette |
EVP, President, Cdg |
RSU Award |
2,918 |
$256.45 |
$748.32K |
2,918 |
| 2024-10-24 |
Divincenzo Jonathan P. |
President & COO |
RSU Award |
7,478 |
- |
- |
7,478 |
| 2024-10-20 |
Evran Sedat |
EVP, Global Supply Chain |
Tax Withholding of RSU |
335 |
$346.37 |
$116.03K |
853 |
| 2024-09-09 |
Divincenzo Jonathan P. |
President & COO |
Disposition |
- |
- |
- |
- |
| 2024-09-06 |
Schwartz Norman D |
10 Percent Owner, Officer: Chairman & CEO |
RSU Award |
13,822 |
- |
- |
13,822 |
| 2024-09-06 |
Edwards Jeffrey L |
Director |
RSU Award |
308 |
- |
- |
308 |
| 2024-09-06 |
Hinckley Gregory K |
Director |
RSU Award |
308 |
- |
- |
308 |
| 2024-09-06 |
Pinkston Arnold A |
Director |
RSU Award |
308 |
- |
- |
308 |
| 2024-09-06 |
Lakkaraju Roop Kalyan |
EVP, Chief Financial Officer |
RSU Award |
6,143 |
- |
- |
6,143 |
| 2024-09-06 |
Last Andrew J. |
EVP, Chief Operating Officer |
Option Exercise (Sell) |
3,000 |
$299.24 |
$897.72K |
- |
| 2024-09-06 |
Crowley Michael |
EVP, Gbl Commercial Operations |
RSU Award |
3,456 |
- |
- |
3,456 |
| 2024-09-06 |
Pei Melinda Litherland |
Director |
RSU Award |
308 |
- |
- |
308 |
| 2024-09-06 |
Allison Schwartz |
Director |
RSU Award |
369 |
- |
- |
369 |
| 2024-09-06 |
Corey Colleen |
EVP, Global Human Resources |
RSU Award |
2,304 |
- |
- |
2,304 |
| 2024-09-06 |
Evran Sedat |
EVP, Global Supply Chain |
RSU Award |
3,456 |
- |
- |
3,456 |
| 2024-09-06 |
Enloe Courtney C |
EVP, General Counsel & Sec |
RSU Award |
3,072 |
- |
- |
3,072 |
| 2024-09-06 |
Barry James |
EVP, President, Lsg |
RSU Award |
4,224 |
- |
- |
4,224 |
| 2024-09-06 |
Engelhardt Eva Anette |
EVP, President, Cdg |
RSU Award |
4,608 |
- |
- |
4,608 |
| 2024-09-04 |
Barry James |
EVP, President, Lsg |
Informative Sell |
623 |
$330.50 |
$205.9K |
147 |
| 2024-09-03 |
Schwartz Norman D |
10 Percent Owner, Officer: Chairman, President, and CEO |
Option Exercise (Sell) |
2,320 |
- |
- |
- |
| 2024-09-03 |
Allison Schwartz |
Director |
Option Exercise (Sell) |
56 |
- |
- |
- |
| 2024-09-03 |
Corey Colleen |
EVP, Global Human Resources |
Option Exercise (Sell) |
495 |
- |
- |
- |
| 2024-09-03 |
Barry James |
EVP, President, Lsg |
Option Exercise (Sell) |
217 |
- |
- |
- |
| 2024-09-03 |
Crowley Michael |
EVP, Gbl Commercial Operations |
Option Exercise (Sell) |
557 |
- |
- |
- |
| 2024-09-02 |
Schwartz Norman D |
10 Percent Owner, Officer: Chairman, President, and CEO |
Tax Withholding of RSU |
965 |
$337.32 |
$325.51K |
437,159 |
| 2024-09-02 |
Last Andrew J. |
EVP, Chief Operating Officer |
Option Exercise (Sell) |
903 |
- |
- |
- |
| 2024-09-02 |
Allison Schwartz |
Director |
Tax Withholding of RSU |
21 |
$337.32 |
$7.08K |
1,276 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry