Ameriprise Financial Inc.

James Cracchiolo CEO

Shares sold: 67,298 Price: $110.11–$110.89

Date: May 21–23Directly holds: 395,211

Buffalo Wild Wings Inc.

Judith Shoulak officer

Exercised options: 3,748 Price: $24.96

Date: May 23Holdings: 18,565

C.H. Robinson Worldwide

Ben Campbell general counsel

Shares sold: 100 Price: $59.11

Date: May 21Directly holds: 38,814

Communications Systems

Roger Lacey director

Shares purchased: 4,000 Price:

Date: May 27$10.98–$11.22

Directly holds: 13,423

Communications Systems

Curtis Sampson director

Shares purchased: 1,993 Price: $11.22

Date: May 27–28Directly holds: 593,339

Donaldson Co. Inc.

Paul Miller director

Exercised options: 14,400 Price: $15.18

Shares sold: 14,400 Price: $41.39

Date: May 28Directly holds: 31,190

Famous Dave'S Of America

Diana Garvis Purcel CFO

Shares sold: 47,140 Price: $32.84–$32.97

Date: May 27–28Directly holds: 28,550

Hmn Financial Inc.

Malcolm Mcdonald director

Shares purchased: 1,000 Price: $10.99

Date: May 21Directly holds: 12,993

Life Time Fitness Inc.

Jeffrey Zwiefel officer

Shares sold: 25,000 Price: $55.00

Date: May 21Indirectly holds: 134,892

Polaris Industries Inc.

Suresh Krishna officer

Exercised options: 11,000 Price:

Date: May 23–27$38.46–$65.57

Holdings: 64,263

Tennant Co.

Andrew Eckert officer

Shares sold: 3,995 Price: $64.50

Date: May 27Directly holds: 12,324

Toro Co.

Blake Grams officer

Shares sold: 2,723 Price: $64.44

Date: May 27Directly holds: 59