- Corporate Officers - D
- De Greef Roderick
Insider Trading History of De Greef Roderick
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of De Greef Roderick since 2006.
This trader's CIK number is 1241181.
At the time of last reporting, De Greef Roderick was the President and CEO of Biolife Solutions Inc. (stock ticker symbol BLFS).
Also see all insider trading activities at Biolife Solutions Inc.
Note that in the past
DE GREEF RODERICK also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Cambridge Heart Inc (CAMH) by De Greef Roderick
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2006 | CAMH | 0 | $0 | 98,333 | $294,265 | 83,333 | $21,666 |
Yearly summary of insider trading at Endologix Inc /de/ (ELGX) by De Greef Roderick
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2013 | ELGX | 0 | $0 | 40,000 | $622,540 | 40,000 | $280,740 |
| 2012 | ELGX | 0 | $0 | 40,000 | $555,960 | 40,000 | $155,200 |
| 2011 | ELGX | 0 | $0 | 90,000 | $948,075 | 90,000 | $338,045 |
| 2009 | ELGX | 0 | $0 | 40,000 | $185,941 | 40,000 | $101,999 |
Yearly summary of insider trading at Elephant Talk Communications Inc (TEUM) by De Greef Roderick
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2017 | TEUM | 275,911 | $30,350 | 0 | $0 | 0 | $0 |
| 2011 | TEUM | 0 | $0 | 50,000 | $151,500 | 0 | $0 |
Yearly summary of insider trading at Biolife Solutions Inc (BLFS) by De Greef Roderick
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | BLFS | 0 | $0 | 46,896 | $1,098,773 | 0 | $0 |
| 2024 | BLFS | 0 | $0 | 9,891 | $164,612 | 0 | $0 |
| 2023 | BLFS | 0 | $0 | 3,801 | $88,145 | 4,740 | $0 |
| 2022 | BLFS | 0 | $0 | 147,572 | $3,184,866 | 43,846 | $0 |
| 2021 | BLFS | 0 | $0 | 144,030 | $6,099,076 | 82,403 | $72,829 |
| 2020 | BLFS | 0 | $0 | 121,781 | $2,311,690 | 120,000 | $214,200 |
| 2019 | BLFS | 0 | $0 | 254,500 | $4,395,966 | 250,000 | $427,900 |
| 2018 | BLFS | 0 | $0 | 95,000 | $1,242,050 | 95,000 | $166,000 |
Insider trading activities at 4 companies by De Greef Roderick:
1. Cambridge Heart Inc (CAMH)
2. Endologix Inc /de/ (ELGX)
3. Elephant Talk Communications Inc (TEUM)
4. Biolife Solutions Inc (BLFS)
Table 1. Insider trading of Cambridge Heart Inc (CAMH) by De Greef Roderick
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2006-11-20 | CAMH | Sale | 93,333 | 2.99 | 279,065 |
| 2006-11-21 | CAMH | Sale | 5,000 | 3.04 | 15,200 |
| 2006-11-13 | CAMH | Option Ex | 83,333 | .26 | 21,666 |
Table 2. Insider trading of Endologix Inc /de/ (ELGX) by De Greef Roderick
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2013-03-08 | ELGX | Option Ex | 12,000 | 6.35 | 76,200 |
| 2013-03-08 | ELGX | Sale | 12,000 | 15.80 | 189,660 |
| 2013-03-07 | ELGX | Sale | 28,000 | 15.46 | 432,880 |
| 2013-03-07 | ELGX | Option Ex | 28,000 | 7.30 | 204,540 |
| 2012-11-19 | ELGX | Sale | 40,000 | 13.90 | 555,960 |
| 2012-11-19 | ELGX | Option Ex | 40,000 | 3.88 | 155,200 |
| 2011-11-02 | ELGX | Sale | 65,000 | 11.50 | 747,500 |
| 2011-11-02 | ELGX | Option Ex | 65,000 | 4.14 | 269,295 |
| 2011-05-17 | ELGX | Sale | 25,000 | 8.02 | 200,575 |
| 2011-05-17 | ELGX | Option Ex | 25,000 | 2.75 | 68,750 |
| 2009-11-10 | ELGX | Sale | 23,028 | 4.60 | 106,020 |
| 2009-11-09 | ELGX | Sale | 16,972 | 4.71 | 79,921 |
| 2009-11-09 | ELGX | Option Ex | 16,972 | 2.55 | 43,278 |
| 2009-11-10 | ELGX | Option Ex | 23,028 | 2.55 | 58,721 |
Table 3. Insider trading of Elephant Talk Communications Inc (TEUM) by De Greef Roderick
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2017-02-19 | TEUM | Buy | 275,911 | .11 | 30,350 |
| 2011-06-24 | ETAK | Sale | 50,000 | 3.03 | 151,500 |
Table 4. Insider trading of Biolife Solutions Inc (BLFS) by De Greef Roderick
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-10-31 | BLFS | Sale | 46,896 | 23.43 | 1,098,773 |
| 2024-03-12 | BLFS | Sale | 7,249 | 16.60 | 120,333 |
| 2024-01-19 | BLFS | Sale | 2,642 | 16.76 | 44,279 |
| 2023-03-31 | BLFS | Option Ex | 4,740 | .00 | 0 |
| 2023-01-19 | BLFS | Sale | 3,801 | 23.19 | 88,145 |
| 2022-11-28 | BLFS | Sale | 10,000 | 21.09 | 210,950 |
| 2022-11-30 | BLFS | Sale | 33,905 | 20.59 | 698,103 |
| 2022-11-29 | BLFS | Sale | 1,500 | 20.20 | 30,300 |
| 2022-11-21 | BLFS | Sale | 9,500 | 21.63 | 205,485 |
| 2022-11-23 | BLFS | Sale | 4,500 | 21.71 | 97,695 |
| 2022-11-16 | BLFS | Sale | 1,500 | 23.21 | 34,815 |
| 2022-11-18 | BLFS | Sale | 1,500 | 22.13 | 33,195 |
| 2022-11-14 | BLFS | Sale | 20,000 | 24.05 | 481,000 |
| 2022-10-07 | BLFS | Sale | 8,552 | 22.69 | 194,044 |
| 2022-10-03 | BLFS | Sale | 1,233 | 21.95 | 27,064 |
| 2022-10-03 | BLFS | Sale | 1,233 | 21.95 | 27,064 |
| 2022-10-03 | BLFS | Sale | 1,233 | 21.95 | 27,064 |
| 2022-10-03 | BLFS | Sale | 1,233 | 21.95 | 27,064 |
| 2022-10-03 | BLFS | Sale | 1,233 | 21.95 | 27,064 |
| 2022-10-03 | BLFS | Sale | 1,233 | 21.95 | 27,064 |
| 2022-07-12 | BLFS | Sale | 9,158 | 15.79 | 144,604 |
| 2022-04-18 | BLFS | Sale | 18,530 | 17.59 | 325,942 |
| 2022-04-12 | BLFS | Option Ex | 43,846 | .00 | 0 |
| 2022-04-07 | BLFS | Sale | 10,713 | 21.82 | 233,757 |
| 2022-01-07 | BLFS | Sale | 10,816 | 30.75 | 332,592 |
| 2021-12-29 | BLFS | Sale | 705 | 39.37 | 27,755 |
| 2021-11-16 | BLFS | Sale | 7,000 | 51.39 | 359,730 |
| 2021-11-17 | BLFS | Sale | 7,000 | 51.08 | 357,560 |
| 2021-11-18 | BLFS | Sale | 7,000 | 50.75 | 355,250 |
| 2021-10-25 | BLFS | Sale | 2,371 | 44.62 | 105,794 |
| 2021-10-14 | BLFS | Sale | 1,221 | 39.97 | 48,803 |
| 2021-09-28 | BLFS | Sale | 689 | 43.12 | 29,709 |
| 2021-08-19 | BLFS | Sale | 12,000 | 45.12 | 541,440 |
| 2021-08-17 | BLFS | Sale | 12,000 | 44.81 | 537,720 |
| 2021-08-18 | BLFS | Sale | 22,239 | 44.70 | 993,972 |
| 2021-06-29 | BLFS | Sale | 685 | 43.75 | 29,968 |
| 2021-04-13 | BLFS | Option Ex | 10,919 | 1.70 | 18,529 |
| 2021-04-13 | BLFS | Sale | 10,919 | 35.08 | 383,038 |
| 2021-04-14 | BLFS | Sale | 5,000 | 33.83 | 169,150 |
| 2021-04-15 | BLFS | Sale | 5,000 | 33.69 | 168,450 |
| 2021-04-01 | BLFS | Sale | 3,855 | 36.53 | 140,823 |
| 2021-04-01 | BLFS | Option Ex | 9,932 | .00 | 0 |
| 2021-03-26 | BLFS | Sale | 2,893 | 35.01 | 101,283 |
| 2021-03-25 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2021-03-23 | BLFS | Sale | 10,000 | 41.83 | 418,300 |
| 2021-03-24 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2021-03-23 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2021-03-25 | BLFS | Sale | 10,000 | 37.71 | 377,100 |
| 2021-03-24 | BLFS | Sale | 10,000 | 40.18 | 401,800 |
| 2021-02-19 | BLFS | Sale | 4,509 | 40.76 | 183,786 |
| 2021-02-18 | BLFS | Sale | 4,520 | 40.67 | 183,828 |
| 2021-02-08 | BLFS | Option Ex | 31,552 | .00 | 0 |
| 2021-02-17 | BLFS | Sale | 4,424 | 41.55 | 183,817 |
| 2020-11-16 | BLFS | Sale | 10,000 | 31.33 | 313,300 |
| 2020-11-16 | BLFS | Option Ex | 10,000 | 1.76 | 17,600 |
| 2020-11-13 | BLFS | Sale | 10,000 | 31.87 | 318,700 |
| 2020-11-12 | BLFS | Sale | 10,000 | 32.10 | 321,000 |
| 2020-11-13 | BLFS | Option Ex | 10,000 | 1.76 | 17,600 |
| 2020-11-12 | BLFS | Option Ex | 10,000 | 1.76 | 17,600 |
| 2020-09-29 | BLFS | Sale | 1,781 | 28.63 | 50,990 |
| 2020-03-06 | BLFS | Sale | 10,000 | 13.77 | 137,700 |
| 2020-03-05 | BLFS | Sale | 10,000 | 13.72 | 137,200 |
| 2020-03-04 | BLFS | Sale | 10,000 | 13.95 | 139,500 |
| 2020-03-06 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2020-03-05 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2020-03-04 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2020-02-07 | BLFS | Sale | 10,000 | 13.32 | 133,200 |
| 2020-02-06 | BLFS | Sale | 10,000 | 14.43 | 144,300 |
| 2020-02-07 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2020-02-05 | BLFS | Sale | 10,000 | 14.06 | 140,600 |
| 2020-02-06 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2020-02-05 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2020-01-08 | BLFS | Sale | 10,000 | 16.16 | 161,600 |
| 2020-01-07 | BLFS | Sale | 10,000 | 15.46 | 154,600 |
| 2020-01-08 | BLFS | Option Ex | 10,000 | 1.76 | 17,600 |
| 2020-01-06 | BLFS | Sale | 10,000 | 15.90 | 159,000 |
| 2020-01-07 | BLFS | Option Ex | 10,000 | 1.76 | 17,600 |
| 2020-01-06 | BLFS | Option Ex | 10,000 | 1.76 | 17,600 |
| 2019-12-04 | BLFS | Option Ex | 10,000 | 1.76 | 17,600 |
| 2019-12-05 | BLFS | Option Ex | 10,000 | 1.76 | 17,600 |
| 2019-12-04 | BLFS | Sale | 10,000 | 16.01 | 160,100 |
| 2019-12-06 | BLFS | Option Ex | 10,000 | 1.76 | 17,600 |
| 2019-12-05 | BLFS | Sale | 10,000 | 16.19 | 161,900 |
| 2019-12-06 | BLFS | Sale | 10,000 | 16.21 | 162,100 |
| 2019-11-08 | BLFS | Sale | 10,000 | 16.44 | 164,400 |
| 2019-11-07 | BLFS | Sale | 10,000 | 17.08 | 170,799 |
| 2019-11-08 | BLFS | Option Ex | 10,000 | 1.76 | 17,600 |
| 2019-11-06 | BLFS | Sale | 10,000 | 17.81 | 178,100 |
| 2019-11-07 | BLFS | Option Ex | 10,000 | 1.76 | 17,600 |
| 2019-11-06 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-10-03 | BLFS | Sale | 10,000 | 15.74 | 157,400 |
| 2019-10-04 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-10-02 | BLFS | Sale | 10,000 | 15.76 | 157,600 |
| 2019-10-03 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-10-02 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-10-04 | BLFS | Sale | 10,000 | 15.63 | 156,300 |
| 2019-09-05 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-09-04 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-09-06 | BLFS | Sale | 10,000 | 19.88 | 198,800 |
| 2019-09-05 | BLFS | Sale | 10,000 | 19.99 | 199,899 |
| 2019-09-06 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-09-04 | BLFS | Sale | 10,000 | 19.46 | 194,600 |
| 2019-07-31 | BLFS | Sale | 10,000 | 19.17 | 191,700 |
| 2019-08-02 | BLFS | Sale | 10,000 | 18.33 | 183,299 |
| 2019-08-01 | BLFS | Sale | 10,000 | 19.37 | 193,700 |
| 2019-07-31 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-08-01 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-08-02 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-07-03 | BLFS | Sale | 10,000 | 16.09 | 160,900 |
| 2019-07-02 | BLFS | Sale | 10,000 | 16.84 | 168,400 |
| 2019-07-03 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-07-01 | BLFS | Sale | 10,000 | 17.23 | 172,300 |
| 2019-07-02 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-07-01 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-06-19 | BLFS | Sale | 10,000 | 17.60 | 176,000 |
| 2019-06-19 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2019-05-23 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2019-05-22 | BLFS | Sale | 4,500 | 18.06 | 81,270 |
| 2019-05-23 | BLFS | Sale | 10,000 | 17.80 | 178,000 |
| 2019-05-16 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2019-05-16 | BLFS | Sale | 10,000 | 16.76 | 167,600 |
| 2019-04-17 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2019-04-17 | BLFS | Sale | 10,000 | 16.53 | 165,300 |
| 2019-03-20 | BLFS | Sale | 10,000 | 19.83 | 198,299 |
| 2019-03-20 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2019-02-20 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2019-02-20 | BLFS | Sale | 10,000 | 17.23 | 172,300 |
| 2019-01-17 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2019-01-17 | BLFS | Sale | 10,000 | 12.49 | 124,900 |
| 2018-12-19 | BLFS | Sale | 10,000 | 10.67 | 106,700 |
| 2018-12-19 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2018-10-21 | BLFS | Sale | 10,000 | 10.00 | 100,000 |
| 2018-10-21 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2018-10-17 | BLFS | Sale | 10,000 | 12.95 | 129,500 |
| 2018-10-17 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2018-09-19 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2018-09-19 | BLFS | Sale | 10,000 | 17.22 | 172,200 |
| 2018-08-16 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2018-08-16 | BLFS | Sale | 10,000 | 19.10 | 191,000 |
| 2018-07-18 | BLFS | Sale | 10,000 | 20.00 | 200,000 |
| 2018-07-18 | BLFS | Option Ex | 10,000 | 1.81 | 18,100 |
| 2018-05-31 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2018-05-31 | BLFS | Sale | 10,000 | 10.44 | 104,400 |
| 2019-05-29 | BLFS | Option Ex | 15,000 | 1.64 | 24,600 |
| 2019-05-25 | BLFS | Sale | 10,000 | 9.35 | 93,500 |
| 2019-05-25 | BLFS | Option Ex | 10,000 | 1.64 | 16,400 |
| 2019-05-29 | BLFS | Sale | 15,000 | 9.65 | 144,750 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by De Greef Roderick
(President and CEO of Biolife Solutions Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.