Calyxt Inc.

Daniel F. Voytas officer

Exercised options: 4,083Price: $3.71

Shares sold: 4,083Price: $13

Date: Dec. 18Directly holds: 92,982

Communications Systems Inc.

Richard A. Primuth director

Shares purchased: 2,500Price: $2.59

Date: Dec. 13Directly holds: 26,129

Communications Systems Inc. (cont.)

Curtis Allen Sampson director

Shares purchased: 30,000Price:

Date: Dec. 12$2.42–$2.93

Directly holds: 1,138,463

Mark D. Fandrich CFO

Shares purchased: 1,000Price:

Date: Dec. 14$2.44–$2.50

Directly holds: 4,325

Tactile Systems Technology Inc.

Bryan F. Rishe officer

Shares sold: 3,000Price: $51.22

Date: Dec. 14Directly holds: 64,328

Toro Co.

Richard W. Rodier officer

Exercised options: 4,000Price: $10.18

Shares sold: 7,727Price:

Date: Dec. 18$57.10–$57.45

Directly/indirectly holds: 27,022