Best Buy Co. Inc.

Kathleen Scarlett officer

Shares sold: 1,225 Price: $68.85

Date: June 4 Directly holds: 23,712

Christopher & Banks Corp.

Keri L. Jones CEO

Shares purchased: 50,000 Price: $0.80

Date: June 1 Directly holds: 295,748

Kent A. Kleeberger chairman

Shares purchased: 10,000 Price: $0.80

Date: June 6 Directly holds: 100,303

Luke R. Komarek general counsel

Shares purchased: 2,500 Price: $0.79

Date: June 7 Directly holds: 76,802

Laura A. Weil director

Shares purchased: 20,000 Price: $0.80

Date: June 4 Directly holds: 100,303

DELUXE CORP.

Lee J. Schram CEO

Shares sold: 500 Price: $68

Date: June 4 Directly holds: 275,372

FASTENAL CO.

Terry M. Owen  officer

Shares purchased: 2,000 Price: $51.85

Date: June 6 Directly holds: 2,744

Hawkins Inc.

Patrick H. Hawkins CEO

Shares purchased: 6,600 Price:

Date: June 4-5 $31.61-$33.18

Directly holds: 83,547

Hawkins Inc. (cont.)

Jeffrey Paul Oldenkamp CFO

Shares purchased: 1,500 Price: $33.15

Date: June 5 Directly holds: 6,763

IMAGE SENSING SYSTEMS

AB Value Management owner

Shares purchased: 800 Price:

–$4.13 Indirectly holds: 980,354

Insignia Systems Inc.

Air T Inc. beneficial owner

Shares purchased: 24,649 Price:

–$1.83

Directly holds: 3,473,363

POLARIS INDUSTRIES INC.

Scott W. Wine CEO

Exercised options: 245,000 Price:

–$65.67

Shares sold: 245,000 Price:

–$119.05

Directly holds: 332,154

Pentair Plc

Matthew H. Peltz director

Shares sold: 1,675,000 Price: $44.14

Date: May 30 Indirectly holds:

13,739,444

PROTO LABS INC.

Sven A. Wehrwein director

Shares sold: 1,000 Price: $125

Date: May 30 Directly holds: 11,878

SURMODICS INC.

CHARLES W. OLSON officer

Exercised options: 10,707 Price: $21.03

Date: June 4 Directly holds: na

Joseph J. Stich officer

Exercised options: 13,266 Price: $20.37

June 4

Shares sold: 2,000 Price:

–$52.79

Directly holds: 53,919

TACTILE SYSTEMS TECHNOLOGY INC.

Robert J. Folkes COO

Exercised options: 3,044 Price: $1.55

Shares sold: 3,044 Price: $49.78

Date: June 1 Directly holds: 118,236

TARGET CORP.

Don H. Liu officer

Shares sold: 7,000 Price: $78

Date: June 5 Directly holds: 55,210

Janna A. Potts officer

Shares sold: 5,152 Price: $75

Date: June 4 Directly holds: 22,621

Toro Co.

Janet Katherine Cooper director

Exercised options: 3,000 Price: $9.25

Shares sold: 3,000 Price: $60.50

Date: May 30 Directly holds: 24,130

Gary Lee Ellis director

Exercised options: 13,348 Price: $8.45

Shares sold: 13,348 Price: $60.08

Date: May 30 Directly holds: 27,744