Greef Roderick De serves as Executive at BIOLIFE SOLUTIONS INC, where they oversee executive responsibilities. Since joining the company, Greef Roderick De has executed 244 insider transactions totaling $23.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Aug 17, 2021 involved selling 12,000 shares valued at $537.7K.
Greef Roderick De currently holds 389,998 shares of BIOLIFE SOLUTIONS INC (BLFS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Greef Roderick De has been a net seller of BLFS stock. They have purchased $30.4K and sold $23.8M worth of shares.
Greef Roderick De's most recent insider trade was on Aug 17, 2021, when they sold 12,000 shares at $44.81 per share.
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| $43.75 |
| Discretionary |
| Apr 15, 2021 | BLFS | $168.4K | Sale | 5,000 | $33.69 | Discretionary |
| Apr 14, 2021 | BLFS | $169.2K | Sale | 5,000 | $33.83 | Discretionary |
| Apr 13, 2021 | BLFS | $33.7K | Sale | 960 | $35.08 | Discretionary |
| Apr 13, 2021 | BLFS | $1.6K | Option Exercise | 960 | $1.64 | Discretionary |
| Apr 13, 2021 | BLFS | $140.3K | Sale | 4,000 | $35.08 | Discretionary |
| Apr 13, 2021 | BLFS | $7.2K | Option Exercise | 4,000 | $1.81 | Discretionary |
| Apr 13, 2021 | BLFS | $209.0K | Sale | 5,959 | $35.08 | Discretionary |
| Apr 13, 2021 | BLFS | $9.8K | Option Exercise | 5,959 | $1.64 | Discretionary |
| Apr 12, 2021 | BLFS | $0 | Award | 3,222 | $N/A | Discretionary |
| Apr 1, 2021 | BLFS | $0 | Option Exercise | 9,932 | $N/A | Discretionary |
| Apr 1, 2021 | BLFS | $140.8K | Sale | 3,855 | $36.53 | Discretionary |
| Mar 26, 2021 | BLFS | $101.3K | Sale | 2,893 | $35.01 | Discretionary |
| Mar 25, 2021 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| Mar 25, 2021 | BLFS | $377.1K | Sale | 10,000 | $37.71 | Discretionary |
| Mar 24, 2021 | BLFS | $401.8K | Sale | 10,000 | $40.18 | Discretionary |
| Mar 24, 2021 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| Mar 23, 2021 | BLFS | $418.3K | Sale | 10,000 | $41.83 | Discretionary |
| Mar 23, 2021 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| Feb 19, 2021 | BLFS | $183.8K | Sale | 4,509 | $40.76 | Discretionary |
| Feb 18, 2021 | BLFS | $183.8K | Sale | 4,520 | $40.67 | Discretionary |
| Feb 17, 2021 | BLFS | $183.8K | Sale | 4,424 | $41.55 | Discretionary |
| Feb 8, 2021 | BLFS | $0 | Award | 4,740 | $N/A | Discretionary |
| Feb 8, 2021 | BLFS | $0 | Option Exercise | 31,552 | $N/A | Discretionary |
| Nov 16, 2020 | BLFS | $313.3K | Sale | 10,000 | $31.33 | Discretionary |
| Nov 16, 2020 | BLFS | $17.6K | Option Exercise | 10,000 | $1.76 | Discretionary |
| Nov 13, 2020 | BLFS | $318.7K | Sale | 10,000 | $31.87 | Discretionary |
| Nov 13, 2020 | BLFS | $17.6K | Option Exercise | 10,000 | $1.76 | Discretionary |
| Nov 12, 2020 | BLFS | $17.6K | Option Exercise | 10,000 | $1.76 | Discretionary |