Latest Insider Transactions at Bio Rad Laboratories, Inc. (BIO)
This section provides a real-time view of insider transactions for Bio Rad Laboratories, Inc. (BIO). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of BIO-RAD LABORATORIES, INC. to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of BIO-RAD LABORATORIES, INC.'s insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Oct 24
2025
|
Jonathan P. Di Vincenzo President & COO |
SELL
Payment of exercise price or tax liability
|
Direct |
950
-50.83%
|
$322,050
$339.75 P/Share
|
|
Oct 24
2025
|
Jonathan P. Di Vincenzo President & COO |
BUY
Exercise of conversion of derivative security
|
Direct |
1,869
+50.0%
|
-
|
|
Oct 20
2025
|
Sedat Evran EVP, Global Supply Chain |
SELL
Payment of exercise price or tax liability
|
Direct |
335
-13.05%
|
$107,535
$321.9 P/Share
|
|
Oct 20
2025
|
Sedat Evran EVP, Global Supply Chain |
BUY
Exercise of conversion of derivative security
|
Direct |
1,044
+28.91%
|
-
|
|
Sep 06
2025
|
Norman D Schwartz Chairman & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
1,528
-0.34%
|
$450,760
$295.43 P/Share
|
|
Sep 06
2025
|
Norman D Schwartz Chairman & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
3,455
+0.77%
|
-
|
|
Sep 06
2025
|
Courtney C Enloe EVP, General Counsel & Sec |
SELL
Payment of exercise price or tax liability
|
Direct |
275
-30.45%
|
$81,125
$295.43 P/Share
|
|
Sep 06
2025
|
Courtney C Enloe EVP, General Counsel & Sec |
BUY
Exercise of conversion of derivative security
|
Direct |
768
+45.96%
|
-
|
|
Sep 06
2025
|
Eva Anette Engelhardt EVP, President, CDG |
SELL
Payment of exercise price or tax liability
|
Direct |
413
-31.55%
|
$121,835
$295.43 P/Share
|
|
Sep 06
2025
|
Eva Anette Engelhardt EVP, President, CDG |
BUY
Exercise of conversion of derivative security
|
Direct |
1,152
+46.81%
|
-
|
|
Sep 06
2025
|
Schwartz Allison Director |
SELL
Payment of exercise price or tax liability
|
Direct |
33
-2.22%
|
$9,735
$295.43 P/Share
|
|
Sep 06
2025
|
Schwartz Allison Director |
BUY
Exercise of conversion of derivative security
|
Direct |
92
+5.82%
|
-
|
|
Sep 06
2025
|
James Barry EVP, President, LSG |
SELL
Payment of exercise price or tax liability
|
Direct |
378
-23.82%
|
$111,510
$295.43 P/Share
|
|
Sep 06
2025
|
James Barry EVP, President, LSG |
BUY
Exercise of conversion of derivative security
|
Direct |
1,056
+39.95%
|
-
|
|
Sep 06
2025
|
Colleen Corey EVP, Global Human Resources |
SELL
Payment of exercise price or tax liability
|
Direct |
209
-1.06%
|
$61,655
$295.43 P/Share
|
|
Sep 06
2025
|
Colleen Corey EVP, Global Human Resources |
BUY
Exercise of conversion of derivative security
|
Direct |
576
+2.83%
|
-
|
|
Sep 06
2025
|
Roop Kalyan Lakkaraju EVP, Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
550
-22.98%
|
$162,250
$295.43 P/Share
|
|
Sep 06
2025
|
Roop Kalyan Lakkaraju EVP, Chief Financial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
1,535
+39.08%
|
-
|
|
Sep 06
2025
|
Sedat Evran EVP, Global Supply Chain |
SELL
Payment of exercise price or tax liability
|
Direct |
277
-15.39%
|
$81,715
$295.43 P/Share
|
|
Sep 06
2025
|
Sedat Evran EVP, Global Supply Chain |
BUY
Exercise of conversion of derivative security
|
Direct |
864
+32.43%
|
-
|
|
Sep 01
2025
|
Norman D Schwartz Chairman & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
3,084
-0.69%
|
$915,948
$297.88 P/Share
|
|
Sep 01
2025
|
Norman D Schwartz Chairman & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
6,353
+1.41%
|
-
|
|
Sep 01
2025
|
Colleen Corey EVP, Global Human Resources |
SELL
Payment of exercise price or tax liability
|
Direct |
398
-2.03%
|
$118,206
$297.88 P/Share
|
|
Sep 01
2025
|
Colleen Corey EVP, Global Human Resources |
BUY
Exercise of conversion of derivative security
|
Direct |
1,102
+5.33%
|
-
|
|
Sep 01
2025
|
James Barry EVP, President, LSG |
SELL
Payment of exercise price or tax liability
|
Direct |
217
-29.01%
|
$64,449
$297.88 P/Share
|
|
Sep 01
2025
|
James Barry EVP, President, LSG |
BUY
Exercise of conversion of derivative security
|
Direct |
602
+44.59%
|
-
|
|
Sep 01
2025
|
Schwartz Allison Director |
SELL
Payment of exercise price or tax liability
|
Direct |
55
-3.79%
|
$16,335
$297.88 P/Share
|
|
Sep 01
2025
|
Schwartz Allison Director |
BUY
Exercise of conversion of derivative security
|
Direct |
147
+9.19%
|
-
|
|
Jul 25
2025
|
Eva Anette Engelhardt EVP, President, CDG |
SELL
Payment of exercise price or tax liability
|
Direct |
88
-35.92%
|
$23,232
$264.19 P/Share
|
|
Jul 25
2025
|
Eva Anette Engelhardt EVP, President, CDG |
BUY
Exercise of conversion of derivative security
|
Direct |
245
+50.0%
|
-
|
|
Apr 24
2025
|
Courtney C Enloe EVP, General Counsel & Sec |
SELL
Payment of exercise price or tax liability
|
Direct |
67
-34.18%
|
$16,683
$249.74 P/Share
|
|
Apr 24
2025
|
Courtney C Enloe EVP, General Counsel & Sec |
BUY
Exercise of conversion of derivative security
|
Direct |
186
+48.69%
|
-
|
|
Apr 24
2025
|
Roop Kalyan Lakkaraju EVP, Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
386
-31.36%
|
$96,114
$249.74 P/Share
|
|
Apr 24
2025
|
Roop Kalyan Lakkaraju EVP, Chief Financial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
1,077
+46.66%
|
-
|
|
Apr 22
2025
|
Melinda Litherland Pei Director |
BUY
Exercise of conversion of derivative security
|
Direct |
308
+50.0%
|
-
|
|
Apr 22
2025
|
Arnold A Pinkston Director |
BUY
Exercise of conversion of derivative security
|
Direct |
308
+50.0%
|
-
|
|
Apr 22
2025
|
Jeffrey L Edwards Director |
BUY
Exercise of conversion of derivative security
|
Direct |
308
+50.0%
|
-
|
|
Apr 22
2025
|
Gregory K Hinckley Director |
BUY
Exercise of conversion of derivative security
|
Direct |
308
+50.0%
|
-
|
|
Mar 14
2025
|
Michael Crowley EVP, GBL Commercial Operations |
SELL
Open market or private sale
|
Direct |
3,000
-26.86%
|
$741,000
$247.06 P/Share
|
|
Mar 14
2025
|
Michael Crowley EVP, GBL Commercial Operations |
BUY
Exercise of conversion of derivative security
|
Direct |
3,000
+21.17%
|
$477,000
$159.32 P/Share
|
|
Oct 20
2024
|
Sedat Evran EVP, Global Supply Chain |
SELL
Payment of exercise price or tax liability
|
Direct |
335
-28.2%
|
$115,910
$346.37 P/Share
|
|
Oct 20
2024
|
Sedat Evran EVP, Global Supply Chain |
BUY
Exercise of conversion of derivative security
|
Direct |
1,044
+46.77%
|
-
|
|
Sep 06
2024
|
Andrew J. Last EVP, Chief Operating Officer |
SELL
Open market or private sale
|
Direct |
3,000
-28.41%
|
$987,000
$329.94 P/Share
|
|
Sep 06
2024
|
Andrew J. Last EVP, Chief Operating Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
3,000
+22.13%
|
$897,000
$299.24 P/Share
|
|
Sep 04
2024
|
James Barry EVP, President, LSG |
SELL
Open market or private sale
|
Direct |
623
-81.01%
|
$205,590
$330.49 P/Share
|
|
Sep 03
2024
|
Michael Crowley EVP, GBL Commercial Operations |
SELL
Payment of exercise price or tax liability
|
Direct |
283
-3.35%
|
$94,522
$334.31 P/Share
|
|
Sep 03
2024
|
Michael Crowley EVP, GBL Commercial Operations |
BUY
Exercise of conversion of derivative security
|
Direct |
557
+6.18%
|
-
|
|
Sep 03
2024
|
Norman D Schwartz Chairman & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
1,241
-0.28%
|
$414,494
$334.31 P/Share
|
|
Sep 03
2024
|
Norman D Schwartz Chairman & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
2,320
+0.53%
|
-
|
|
Sep 03
2024
|
James Barry EVP, President, LSG |
SELL
Payment of exercise price or tax liability
|
Direct |
78
-9.21%
|
$26,052
$334.31 P/Share
|