Insider Transactions in Q3 2025 at Bio Rad Laboratories, Inc. (BIO)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
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%
|
-
|