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DE GREEF RODERICK
President and CEO at BIOLIFE SOLUTIONS. Filing since 29 May 2018.
CIK 0001241181
Company
Date
Role
Action
Shares
Amount
Of holding
BLFS
BIOLIFE SOLUTIONS INC
13 Nov 2025
President and CEO
Sold at will
31,165
$789.41K
7.4%
BLFS
BIOLIFE SOLUTIONS INC
12 Nov 2025
President and CEO
Sold at will
33,418
$864.86K
7.4%
BLFS
BIOLIFE SOLUTIONS INC
11 Nov 2025
President and CEO
Sold at will
35,417
$926.15K
7.2%
BLFS
BIOLIFE SOLUTIONS INC
22 Oct 2025
President and CEO
Sold on a plan
37,795
$1.03M
7.2%
BLFS
BIOLIFE SOLUTIONS INC
31 Oct 2024
President and CEO
Sold on a plan
46,896
$1.10M
10.2%
BLFS
BIOLIFE SOLUTIONS INC
12 Mar 2024
President and CEO
Sold on a plan
7,249
$120.33K
1.5%
BLFS
BIOLIFE SOLUTIONS INC
19 Jan 2024
President and CEO
Sold on a plan
2,642
$44.28K
0.6%
BLFS
BIOLIFE SOLUTIONS INC
19 Jan 2023
Director
Bought
3,801
$88.15K
10.5%
BLFS
BIOLIFE SOLUTIONS INC
30 Nov 2022
COO & President
Sold, plan not stated
33,905
$698.10K
49.7%
BLFS
BIOLIFE SOLUTIONS INC
29 Nov 2022
COO & President
Sold, plan not stated
1,500
$30.30K
2.2%
BLFS
BIOLIFE SOLUTIONS INC
28 Nov 2022
COO & President
Sold, plan not stated
10,000
$211.23K
12.5%
BLFS
BIOLIFE SOLUTIONS INC
23 Nov 2022
COO & President
Sold, plan not stated
4,500
$97.70K
5.3%
BLFS
BIOLIFE SOLUTIONS INC
21 Nov 2022
COO & President
Sold, plan not stated
9,500
$205.49K
10.1%
BLFS
BIOLIFE SOLUTIONS INC
18 Nov 2022
COO & President
Sold, plan not stated
1,500
$33.20K
1.6%
BLFS
BIOLIFE SOLUTIONS INC
16 Nov 2022
COO & President
Sold, plan not stated
1,500
$34.82K
1.6%
BLFS
BIOLIFE SOLUTIONS INC
14 Nov 2022
COO & President
Sold, plan not stated
20,000
$477.16K
17.1%
BLFS
BIOLIFE SOLUTIONS INC
7 Oct 2022
COO & President
Sold, plan not stated
8,552
$194.04K
6.8%
BLFS
BIOLIFE SOLUTIONS INC
3 Oct 2022
COO & President
Sold, plan not stated
1,233
$27.06K
1.0%
BLFS
BIOLIFE SOLUTIONS INC
12 Jul 2022
COO & President
Sold, plan not stated
9,158
$144.60K
6.9%
BLFS
BIOLIFE SOLUTIONS INC
18 Apr 2022
COO & President
Sold, plan not stated
18,530
$325.94K
12.5%
BLFS
BIOLIFE SOLUTIONS INC
7 Apr 2022
COO & President
Sold, plan not stated
10,713
$233.76K
9.3%
BLFS
BIOLIFE SOLUTIONS INC
7 Jan 2022
COO & President
Sold, plan not stated
10,816
$332.59K
10.5%
BLFS
BIOLIFE SOLUTIONS INC
29 Dec 2021
COO & President
Sold, plan not stated
705
$27.76K
0.7%
BLFS
BIOLIFE SOLUTIONS INC
18 Nov 2021
COO & President
Sold, plan not stated
7,000
$355.25K
6.3%
BLFS
BIOLIFE SOLUTIONS INC
17 Nov 2021
COO & President
Sold, plan not stated
7,000
$357.56K
6.0%
BLFS
BIOLIFE SOLUTIONS INC
16 Nov 2021
COO & President
Sold, plan not stated
7,000
$359.73K
5.6%
BLFS
BIOLIFE SOLUTIONS INC
25 Oct 2021
Chief Financial Officer
Sold, plan not stated
2,371
$105.79K
1.9%
BLFS
BIOLIFE SOLUTIONS INC
14 Oct 2021
Chief Financial Officer
Sold, plan not stated
1,221
$48.80K
1.0%
BLFS
BIOLIFE SOLUTIONS INC
28 Sep 2021
CFO
Sold, plan not stated
689
$29.71K
0.5%
BLFS
BIOLIFE SOLUTIONS INC
19 Aug 2021
CFO
Sold, plan not stated
12,000
$541.44K
8.5%
BLFS
BIOLIFE SOLUTIONS INC
18 Aug 2021
CFO
Sold, plan not stated
22,239
$994.07K
13.7%
BLFS
BIOLIFE SOLUTIONS INC
17 Aug 2021
CFO
Sold, plan not stated
12,000
$537.72K
6.9%
BLFS
BIOLIFE SOLUTIONS INC
29 Jun 2021
CFO
Sold, plan not stated
685
$29.97K
0.4%
BLFS
BIOLIFE SOLUTIONS INC
15 Apr 2021
CFO & COO
Sold, plan not stated
5,000
$168.45K
2.8%
BLFS
BIOLIFE SOLUTIONS INC
14 Apr 2021
CFO & COO
Sold, plan not stated
5,000
$169.15K
2.7%
BLFS
BIOLIFE SOLUTIONS INC
13 Apr 2021
CFO & COO
Sold, plan not stated
10,919
$383.04K
5.6%
BLFS
BIOLIFE SOLUTIONS INC
1 Apr 2021
CFO & COO
Sold, plan not stated
3,855
$140.82K
2.1%
BLFS
BIOLIFE SOLUTIONS INC
26 Mar 2021
CFO & COO
Sold, plan not stated
2,893
$101.28K
1.6%
BLFS
BIOLIFE SOLUTIONS INC
25 Mar 2021
CFO & COO
Sold, plan not stated
10,000
$377.10K
5.3%
BLFS
BIOLIFE SOLUTIONS INC
24 Mar 2021
CFO & COO
Sold, plan not stated
10,000
$401.80K
5.3%
BLFS
BIOLIFE SOLUTIONS INC
23 Mar 2021
CFO & COO
Sold, plan not stated
10,000
$418.30K
5.3%
BLFS
BIOLIFE SOLUTIONS INC
19 Feb 2021
CFO & COO
Sold, plan not stated
4,509
$183.79K
2.5%
BLFS
BIOLIFE SOLUTIONS INC
18 Feb 2021
CFO & COO
Sold, plan not stated
4,520
$183.83K
2.4%
BLFS
BIOLIFE SOLUTIONS INC
17 Feb 2021
CFO & COO
Sold, plan not stated
4,424
$183.82K
2.3%
BLFS
BIOLIFE SOLUTIONS INC
16 Nov 2020
CFO & COO
Sold, plan not stated
10,000
$313.30K
6.0%
BLFS
BIOLIFE SOLUTIONS INC
13 Nov 2020
CFO & COO
Sold, plan not stated
10,000
$318.70K
6.0%
BLFS
BIOLIFE SOLUTIONS INC
12 Nov 2020
CFO & COO
Sold, plan not stated
10,000
$321.00K
6.0%
BLFS
BIOLIFE SOLUTIONS INC
29 Sep 2020
CFO & COO
Sold, plan not stated
1,781
$50.99K
3.1%
BLFS
BIOLIFE SOLUTIONS INC
6 Mar 2020
CFO & COO
Sold, plan not stated
10,000
$137.70K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
5 Mar 2020
CFO & COO
Sold, plan not stated
10,000
$137.20K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
4 Mar 2020
CFO & COO
Sold, plan not stated
10,000
$139.50K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
7 Feb 2020
CFO & COO
Sold, plan not stated
10,000
$133.20K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
6 Feb 2020
CFO & COO
Sold, plan not stated
10,000
$144.30K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
5 Feb 2020
CFO & COO
Sold, plan not stated
10,000
$140.60K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
8 Jan 2020
CFO & COO
Sold, plan not stated
10,000
$161.60K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
7 Jan 2020
CFO & COO
Sold, plan not stated
10,000
$154.60K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
6 Jan 2020
CFO & COO
Sold, plan not stated
10,000
$159.00K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
6 Dec 2019
Chief Financial Officer
Sold, plan not stated
10,000
$162.10K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
5 Dec 2019
Chief Financial Officer
Sold, plan not stated
10,000
$161.90K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
4 Dec 2019
Chief Financial Officer
Sold, plan not stated
10,000
$160.10K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
8 Nov 2019
Chief Financial Officer
Sold, plan not stated
10,000
$164.40K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
7 Nov 2019
Chief Financial Officer
Sold, plan not stated
10,000
$170.80K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
6 Nov 2019
Chief Financial Officer
Sold, plan not stated
10,000
$178.10K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
4 Oct 2019
Chief Financial Officer
Sold, plan not stated
10,000
$156.30K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
3 Oct 2019
Chief Financial Officer
Sold, plan not stated
10,000
$157.40K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
2 Oct 2019
Chief Financial Officer
Sold, plan not stated
10,000
$157.60K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
6 Sep 2019
Chief Financial Officer
Sold, plan not stated
10,000
$198.80K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
5 Sep 2019
Chief Financial Officer
Sold, plan not stated
10,000
$199.90K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
4 Sep 2019
Chief Financial Officer
Sold, plan not stated
10,000
$194.60K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
2 Aug 2019
Chief Financial Officer
Sold, plan not stated
10,000
$183.30K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
1 Aug 2019
Chief Financial Officer
Sold, plan not stated
10,000
$193.70K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
31 Jul 2019
Chief Financial Officer
Sold, plan not stated
10,000
$191.70K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
3 Jul 2019
Chief Financial Officer
Sold, plan not stated
10,000
$160.90K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
2 Jul 2019
Chief Financial Officer
Sold, plan not stated
10,000
$168.40K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
1 Jul 2019
Chief Financial Officer
Sold, plan not stated
10,000
$172.30K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
19 Jun 2019
Chief Financial Officer
Sold, plan not stated
10,000
$176.00K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
23 May 2019
Chief Financial Officer
Sold, plan not stated
10,000
$178.00K
27.9%
BLFS
BIOLIFE SOLUTIONS INC
22 May 2019
Chief Financial Officer
Sold, plan not stated
4,500
$81.27K
14.8%
BLFS
BIOLIFE SOLUTIONS INC
16 May 2019
Chief Financial Officer
Sold, plan not stated
10,000
$167.60K
24.8%
BLFS
BIOLIFE SOLUTIONS INC
17 Apr 2019
Chief Financial Officer
Sold, plan not stated
10,000
$165.30K
24.8%
BLFS
BIOLIFE SOLUTIONS INC
20 Mar 2019
Chief Financial Officer
Sold, plan not stated
10,000
$198.30K
24.8%
BLFS
BIOLIFE SOLUTIONS INC
20 Feb 2019
Chief Financial Officer
Sold, plan not stated
10,000
$172.30K
40.7%
BLFS
BIOLIFE SOLUTIONS INC
17 Jan 2019
Chief Financial Officer
Sold, plan not stated
10,000
$124.90K
40.7%
BLFS
BIOLIFE SOLUTIONS INC
19 Dec 2018
Chief Financial Officer
Sold, plan not stated
10,000
$106.70K
40.7%
BLFS
BIOLIFE SOLUTIONS INC
21 Oct 2018
Chief Financial Officer
Sold, plan not stated
10,000
$100.00K
40.7%
BLFS
BIOLIFE SOLUTIONS INC
17 Oct 2018
Chief Financial Officer
Sold, plan not stated
10,000
$129.50K
40.7%
BLFS
BIOLIFE SOLUTIONS INC
19 Sep 2018
Chief Financial Officer
Sold, plan not stated
10,000
$172.20K
40.7%
BLFS
BIOLIFE SOLUTIONS INC
16 Aug 2018
Chief Financial Officer
Sold, plan not stated
10,000
$191.00K
40.7%
BLFS
BIOLIFE SOLUTIONS INC
18 Jul 2018
Chief Financial Officer
Sold, plan not stated
10,000
$200.00K
40.7%
BLFS
BIOLIFE SOLUTIONS INC
31 May 2018
Chief Financial Officer
Sold, plan not stated
10,000
$104.40K
40.7%
BLFS
BIOLIFE SOLUTIONS INC
29 May 2018
Chief Financial Officer
Sold, plan not stated
25,000
$238.25K
63.2%
91 decisions on file.
