James R. Stark serves as Executive at BIO RAD LABORATORIES INC, where they oversee executive responsibilities. Since joining the company, James R. Stark has executed 99 insider transactions totaling $3.9M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 11, 2019 involved selling 848 shares valued at $298.0K.
James R. Stark currently holds 952 shares of BIO RAD LABORATORIES INC (BIO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, James R. Stark has been a net seller of BIO stock. They have purchased $0 and sold $3.9M worth of shares.
James R. Stark's most recent insider trade was on Nov 11, 2019, when they sold 848 shares at $351.45 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Sep 11, 2019 | BIO, BIOB | $33.9K | Payment | 104 | $326.42 | Discretionary |
| Sep 10, 2019 | BIO, BIOB | $22.6K | Payment | 70 | $322.93 | Discretionary |
| Sep 10, 2019 | BIO, BIOB | $0 | Option Exercise | 200 | $N/A | Discretionary |
| Sep 7, 2019 | BIO, BIOB | $0 | Option Exercise | 300 | $N/A | Discretionary |
| Sep 7, 2019 | BIO, BIOB | $34.9K | Payment | 104 | $335.59 | Discretionary |
| Sep 5, 2019 | BIO, BIOB | $35.3K | Payment | 104 | $339.48 | Discretionary |
| Sep 5, 2019 | BIO, BIOB | $0 | Option Exercise | 300 | $N/A | Discretionary |
| Sep 4, 2019 | BIO, BIOB | $23.5K | Payment | 70 | $335.20 | Discretionary |
| Sep 4, 2019 | BIO, BIOB | $0 | Option Exercise | 200 | $N/A | Discretionary |
| Dec 12, 2018 | BIO, BIOB | $216.0K | Sale | 848 | $254.77 | Discretionary |
| Sep 11, 2018 | BIO, BIOB | $53.7K | Payment | 174 | $308.37 | Discretionary |
| Sep 11, 2018 | BIO, BIOB | $0 | Option Exercise | 500 | $N/A | Discretionary |
| Sep 10, 2018 | BIO, BIOB | $0 | Option Exercise | 200 | $N/A | Discretionary |
| Sep 10, 2018 | BIO, BIOB | $21.6K | Payment | 70 | $308.00 | Discretionary |
| Sep 7, 2018 | BIO, BIOB | $32.6K | Payment | 104 | $313.74 | Discretionary |
| Sep 7, 2018 | BIO, BIOB | $0 | Option Exercise | 300 | $N/A | Discretionary |
| Sep 5, 2018 | BIO, BIOB | $0 | Option Exercise | 300 | $N/A | Discretionary |
| Sep 5, 2018 | BIO, BIOB | $32.8K | Payment | 104 | $315.50 | Discretionary |
| Nov 30, 2017 | BIO, BIOB | $201.8K | Sale | 746 | $270.51 | Discretionary |
| Sep 12, 2017 | BIO, BIOB | $16.6K | Payment | 76 | $218.04 | Discretionary |
| Sep 12, 2017 | BIO, BIOB | $0 | Option Exercise | 200 | $N/A | Discretionary |
| Sep 11, 2017 | BIO, BIOB | $41.4K | Payment | 189 | $218.86 | Discretionary |
| Sep 11, 2017 | BIO, BIOB | $0 | Option Exercise | 500 | $N/A | Discretionary |
| Sep 10, 2017 | BIO, BIOB | $16.6K | Payment | 76 | $218.42 | Discretionary |
| Sep 10, 2017 | BIO, BIOB | $0 | Option Exercise | 200 | $N/A | Discretionary |
| Sep 7, 2017 | BIO, BIOB | $24.3K | Payment | 113 | $215.44 | Discretionary |
| Sep 7, 2017 | BIO, BIOB | $0 | Option Exercise | 300 | $N/A | Discretionary |
| Nov 9, 2016 | BIO, BIOB | $222.7K | Sale | 1,299 | $171.42 | Discretionary |