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 Jan 8, 2020 involved exercising options for 10,000 shares valued at $18.1K.
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 Jan 8, 2020, when they sold 10,000 shares at $1.81 per share.
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| $15.46 |
| Discretionary |
| Jan 7, 2020 | BLFS | $17.6K | Option Exercise | 10,000 | $1.76 | Discretionary |
| Jan 6, 2020 | BLFS | $159.0K | Sale | 10,000 | $15.90 | Discretionary |
| Jan 6, 2020 | BLFS | $17.6K | Option Exercise | 10,000 | $1.76 | Discretionary |
| Dec 6, 2019 | BLFS | $162.1K | Sale | 10,000 | $16.21 | Discretionary |
| Dec 6, 2019 | BLFS | $17.6K | Option Exercise | 10,000 | $1.76 | Discretionary |
| Dec 5, 2019 | BLFS | $17.6K | Option Exercise | 10,000 | $1.76 | Discretionary |
| Dec 5, 2019 | BLFS | $161.9K | Sale | 10,000 | $16.19 | Discretionary |
| Dec 4, 2019 | BLFS | $17.6K | Option Exercise | 10,000 | $1.76 | Discretionary |
| Dec 4, 2019 | BLFS | $160.1K | Sale | 10,000 | $16.01 | Discretionary |
| Nov 8, 2019 | BLFS | $164.4K | Sale | 10,000 | $16.44 | Discretionary |
| Nov 8, 2019 | BLFS | $17.6K | Option Exercise | 10,000 | $1.76 | Discretionary |
| Nov 7, 2019 | BLFS | $17.6K | Option Exercise | 10,000 | $1.76 | Discretionary |
| Nov 7, 2019 | BLFS | $170.8K | Sale | 10,000 | $17.08 | Discretionary |
| Nov 6, 2019 | BLFS | $178.1K | Sale | 10,000 | $17.81 | Discretionary |
| Nov 6, 2019 | BLFS | $16.4K | Option Exercise | 10,000 | $1.64 | Discretionary |
| Oct 4, 2019 | BLFS | $156.3K | Sale | 10,000 | $15.63 | Discretionary |
| Oct 4, 2019 | BLFS | $16.4K | Option Exercise | 10,000 | $1.64 | Discretionary |
| Oct 3, 2019 | BLFS | $157.4K | Sale | 10,000 | $15.74 | Discretionary |
| Oct 3, 2019 | BLFS | $16.4K | Option Exercise | 10,000 | $1.64 | Discretionary |
| Oct 2, 2019 | BLFS | $157.6K | Sale | 10,000 | $15.76 | Discretionary |
| Oct 2, 2019 | BLFS | $16.4K | Option Exercise | 10,000 | $1.64 | Discretionary |
| Sep 6, 2019 | BLFS | $198.8K | Sale | 10,000 | $19.88 | Discretionary |
| Sep 6, 2019 | BLFS | $16.4K | Option Exercise | 10,000 | $1.64 | Discretionary |
| Sep 5, 2019 | BLFS | $199.9K | Sale | 10,000 | $19.99 | Discretionary |
| Sep 5, 2019 | BLFS | $16.4K | Option Exercise | 10,000 | $1.64 | Discretionary |
| Sep 4, 2019 | BLFS | $16.4K | Option Exercise | 10,000 | $1.64 | Discretionary |
| Sep 4, 2019 | BLFS | $194.6K | Sale | 10,000 | $19.46 | Discretionary |
| Aug 2, 2019 | BLFS | $183.3K | Sale | 10,000 | $18.33 | Discretionary |