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 May 16, 2019 involved selling 10,000 shares valued at $167.6K.
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 May 16, 2019, when they sold 10,000 shares at $16.76 per share.
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| $1.81 |
| Discretionary |
| Apr 17, 2019 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| Apr 17, 2019 | BLFS | $165.3K | Sale | 10,000 | $16.53 | Discretionary |
| Mar 20, 2019 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| Mar 20, 2019 | BLFS | $198.3K | Sale | 10,000 | $19.83 | Discretionary |
| Feb 25, 2019 | BLFS | $0 | Award | 15,776 | $N/A | Discretionary |
| Feb 20, 2019 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| Feb 20, 2019 | BLFS | $172.3K | Sale | 10,000 | $17.23 | Discretionary |
| Jan 17, 2019 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| Jan 17, 2019 | BLFS | $124.9K | Sale | 10,000 | $12.49 | Discretionary |
| Dec 19, 2018 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| Dec 19, 2018 | BLFS | $106.7K | Sale | 10,000 | $10.67 | Discretionary |
| Oct 21, 2018 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| Oct 21, 2018 | BLFS | $100.0K | Sale | 10,000 | $10.00 | Discretionary |
| Oct 17, 2018 | BLFS | $129.5K | Sale | 10,000 | $12.95 | Discretionary |
| Oct 17, 2018 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| Sep 19, 2018 | BLFS | $172.2K | Sale | 10,000 | $17.22 | Discretionary |
| Sep 19, 2018 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| Aug 16, 2018 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| Aug 16, 2018 | BLFS | $191.0K | Sale | 10,000 | $19.10 | Discretionary |
| Jul 18, 2018 | BLFS | $200.0K | Sale | 10,000 | $20.00 | Discretionary |
| Jul 18, 2018 | BLFS | $18.1K | Option Exercise | 10,000 | $1.81 | Discretionary |
| May 31, 2018 | BLFS | $16.4K | Option Exercise | 10,000 | $1.64 | Discretionary |
| May 31, 2018 | BLFS | $104.4K | Sale | 10,000 | $10.44 | Discretionary |
| Jan 1, 2018 | BLFS | $0 | Award | 14,583 | $N/A | Discretionary |
| Feb 19, 2017 | TEUM | $30.4K | Purchase | 275,911 | $0.11 | Discretionary |
| Apr 29, 2016 | ETAK | $0 | Award | 94,437 | $N/A | Discretionary |
| Jan 18, 2016 | ETAK | $0 | Award | 81,601 | $N/A | Discretionary |
| Mar 8, 2013 | ELGX | $7.9K | Sale | 500 | $15.83 | Discretionary |