-
Signature
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/s/ Aby Mathew
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Issuer symbol
-
BLFS
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Transactions as of
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17 May 2021
-
Net transactions value
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-$582,900
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Form type
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4
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Filing time
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19 May 2021, 20:01:22 UTC
Transactions Table
| Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Ownership |
Footnotes |
| transaction |
BLFS |
Common Stock |
Options Exercise |
$16,400 |
+10,000 |
+4.7% |
$1.64* |
220,679 |
17 May 2021 |
Direct |
|
| transaction |
BLFS |
Common Stock |
Sale |
$301,200 |
-10,000 |
-4.5% |
$30.12 |
210,679 |
17 May 2021 |
Direct |
F1, F2 |
| transaction |
BLFS |
Common Stock |
Options Exercise |
$16,400 |
+10,000 |
+4.7% |
$1.64* |
220,679 |
19 May 2021 |
Direct |
|
| transaction |
BLFS |
Common Stock |
Sale |
$314,500 |
-10,000 |
-4.5% |
$31.45 |
210,679 |
19 May 2021 |
Direct |
F1, F3 |
Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)
| Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Underlying Class |
Amount |
Exercise Price |
Ownership |
Footnotes |
| transaction |
BLFS |
Employee Stock Option |
Options Exercise |
$0 |
-10,000 |
-6.3% |
$0.000000 |
147,707 |
17 May 2021 |
Common Stock |
10,000 |
$1.64 |
Direct |
F4 |
| transaction |
BLFS |
Employee Stock Option |
Options Exercise |
$0 |
-10,000 |
-6.8% |
$0.000000 |
137,707 |
19 May 2021 |
Common Stock |
10,000 |
$1.64 |
Direct |
F4 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Explanation of Responses: