Calyxt Inc.

Daniel F. Voytas officer

Exercised options: 4,083 Price: $3.71

Shares sold: 4,083 Price: $13

Date: Dec. 18 Directly holds: 92,982

Communications Systems Inc.

Richard A. Primuth director

Shares purchased: 2,500 Price: $2.59

Date: Dec. 13 Directly holds: 26,129

Communications Systems Inc. (cont.)

Curtis Allen Sampson director

Shares purchased: 30,000 Price:

–$2.93

Directly holds: 1,138,463

Mark D. Fandrich CFO

Shares purchased: 1,000 Price:

–$2.50

Directly holds: 4,325

Tactile Systems Technology Inc.

Bryan F. Rishe officer

Shares sold: 3,000 Price: $51.22

Date: Dec. 14 Directly holds: 64,328

Toro Co.

Richard W. Rodier officer

Exercised options: 4,000 Price: $10.18

Shares sold: 7,727 Price:

–$57.45

Directly/indirectly holds: 27,022