1. Title of Derivative Security (Instr. 4) |
2. Date Exercisable and Expiration Date (Month/Day/Year) |
3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) |
4. Conversion or Exercise Price of Derivative Security |
5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5) |
6. Nature of Indirect Beneficial Ownership (Instr. 5) |
Date Exercisable |
Expiration Date |
Title |
Amount or Number of Shares |
Employee stock option (right to buy)
|
Â
(1)
|
05/13/2019 |
Common stock, no par value
|
30,000
|
$
0.77
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
07/17/2013 |
Common stock, no par value
|
5,000
|
$
1.5
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
04/26/2014 |
Common stock, no par value
|
5,000
|
$
1.5
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
04/01/2015 |
Common stock, no par value
|
15,000
|
$
1.5
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
04/29/2015 |
Common stock, no par value
|
10,000
|
$
1.5
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
12/30/2015 |
Common stock, no par value
|
10,000
|
$
1.5
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
10/25/2016 |
Common stock, no par value
|
20,000
|
$
1.5
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
02/27/2017 |
Common stock, no par value
|
5,000
|
$
1.5
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
07/30/2017 |
Common stock, no par value
|
10,000
|
$
1.5
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
01/30/2018 |
Common stock, no par value
|
10,000
|
$
1.5
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
04/27/2020 |
Common stock, no par value
|
12,000
|
$
1.81
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
06/03/2021 |
Common stock, no par value
|
25,000
|
$
1.03
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
11/23/2021 |
Common stock, no par value
|
9,000
|
$
1.95
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
11/23/2021 |
Common stock, no par value
|
1,250
|
$
1.75
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
11/23/2021 |
Common stock, no par value
|
1,250
|
$
1.5
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
11/23/2021 |
Common stock, no par value
|
1,250
|
$
1.5
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
04/03/2022 |
Common stock, no par value
|
18,000
|
$
1.2
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
07/16/2022 |
Common stock, no par value
|
7,000
|
$
1.94
|
D
|
Â
|
Employee stock option (right to buy)
|
Â
(1)
|
02/01/2023 |
Common stock, no par value
|
25,000
|
$
6.86
|
D
|
Â
|