Ameriprise Financial Inc.

Joseph Edward Sweeney officer

Exercised options: 42,951 Price: $43.66

Shares sold: 4,535 Price: $76.39

Date: May 6Directly holds: 36,682

James Cracchiolo CEO

Exercised options: 265,267 Price: $43.66

Date: May 6-10

Shares sold: 60,268 Price: $76.69-$79.10

Date: May 6-13

Exercised options: 100,000 Price: $43.66

Shares sold: 11,072 Price: $80.80

Date: May 14Directly holds: 371,525

Walter Stanley Berman CFO

Exercised options: 100,000 Price: $21.34

Shares sold: 34,472 Price: $76.99-$77.27

Date: May 7-10Directly holds: 50,813

William Truscott officer

Exercised options: 88,863 Price: $43.66

Shares sold: 23,016 Price: $77.23

Date: May 7Indirectly holds: 79,095

John Robert Woerner officer

Exercised options: 20,735 Price: $43.66

Shares sold: 7,339 Price: $76.90

Date: May 8Directly holds: 16,008

Charles Maglaque chief oper. officer

Exercised options: 20,671 Price:

$21.34-$43.66

Shares sold: 5,679 Price: $77.30

Date: May 10Directly holds: 15,072

Buffalo Wild Wings Inc.

Mary Twinem CFO

Shares sold: 1,000 Price: $92.70

Date: May 7Directly holds: 55,559

Dale Applequist director

Shares sold: 695 Price: $93.48

Date: May 8Directly holds: 8,829

Judith Shoulak officer

Shares sold: 5,000 Price: $93.15

Date: May 8Directly holds: 16,573

Capella Education Co.

Michael Lomax director

Shares sold: 1,273 Price: $36.13

Date: May 6Directly holds: 1,773

Datalink Corp.

John Patrick O'Halloran director

Shares sold: 4,000 Price: $11.06

Shares sold: 4,000 Price: $11.06

Date: May 6Directly holds: 15,500

Digital River Inc.

David Dobson CEO

Shares purchased: 30,000 Price:

Date: May 8-9$14.86-$14.92

Directly holds: 419,474

Stefan Schulz CFO

Shares purchased: 1,000 Price: $14.83

Date: May 9Directly holds: 123,124

Kevin Crudden general counsel

Shares purchased: 1,000 Price: $14.98

Date: May 10Directly holds: 131,035

Ecolab Inc.

Jerry Levin director

Shares sold: 3,337 Price: $87.00

Date: May 13Directly holds: 28,286

Entegris Inc.

Daniel Christman director

Shares sold: 5,005 Price: $9.54

Date: May 9Directly holds: 126,581

Fair Isaac Corp.

Michael Leonard officer

Exercised options: 250 Price: $35.99

Shares sold: 650 Price: $48.22

Date: May 9Directly holds: 1,955

Mark Scadina general counsel

Exercised options: 18,067 Price:

$14.16-$37.18

Shares sold: 18,067 Price: $48.30-$48.94

Date: May 9-10Directly holds: 38,393

General Mills Inc.

Judith Hope-Richards director

Exercised options: 10,000 Price: $22.50

Shares sold: 10,526 Price: $50.06-$50.10

Date: May 13Directly holds: 69,607

Graco Inc.

Mark Eberlein officer

Exercised options: 3,000 Price: $27.91

Shares sold: 3,000 Price: $61.46

Date: May 7Directly holds: 1,924

Mark Sheahan officer

Exercised options: 37,500 Price:

$38.13-$40.68

Shares sold: 37,500 Price: $61.62

Date: May 7Directly holds: 18,926

Jack Eugster director

Exercised options: 3,000 Price: $29.48

Shares sold: 3,000 Price: $61.89

Date: May 9Directly holds: 16,000

Hutchinson Technology

Martha Goldberg Aronson director

Shares purchased: 15,000 Price: $3.21

Date: May 8Indirectly holds: 50,000

Frank Russomanno director

Shares purchased: 1,500 Price: $3.16

Date: May 9Directly holds: 40,084

Imation Corp.

Mark Lucas CEO

Shares purchased: 30,000 Price:

Date: May 13$3.75-$3.80

Directly holds: 595,089

Life Time Fitness Inc.

Bahram Akradi CEO

Shares sold: 192,368 Price: $47.76-$48.72

Date: May 6-8Directly holds: 2,545,930

MTS Systems Corp.

Jean Lou Chameau director

Shares sold: 5,000 Price: $55.57

Date: May 10Directly holds: 18,211

Polaris Industries Inc.

William Fisher chief technology officer

Exercised options: 10,000 Price: $9.90

Shares sold: 10,000 Price: $85.76

Date: May 7Directly holds: 35,030

Proto Labs Inc.

Edward Bolton officer

Exercised options: 905 Price: $30.58

Shares sold: 905 Price: $54.80

Date: May 9Directly holds: 900

Jacqueline Schneider officer

Exercised options: 7,000 Price: $4.54

Shares sold: 7,000 Price: $57.80

Date: May 10Directly holds: 1,250

SPS Commerce Inc.

Martin Leestma director

Exercised options: 20,025 Price: $0.37

Shares sold: 20,025 Price: $46.21-$46.32

Date: May 8-9Directly holds: 1,055

James Frome chief operating officer

Exercised options: 822 Price: $0.37

Shares sold: 822 Price: $48.22

Date: May 10Directly holds: 12,569

TCF Financial Corp.

Thomas Jasper officer and director

Shares sold: 17,500 Price: $15.00

Date: May 7Directly holds: 413,154

William Allen Cooper CEO

Shares sold: 500,000 Price: $15.00

Date: May 7-8Directly holds: 2,207,710

U.S. Bancorp

Michael Lafontaine officer

Shares sold: 1,800 Price: $33.25

Date: May 7Directly holds: 33,449

Richard Payne JR. officer

Shares sold: 30,000 Price: $33.23

Date: May 8Directly holds: 53,788

Terrance Dolan officer

Shares sold: 13,567 Price: $33.45

Date: May 9Directly holds: 43,802

Unitedhealth Group Inc.

Eric Stuart Rangen officer

Exercised options: 120,358 Price:

$29.74-$54.41

Shares sold: 19,925 Price: $60.98

Date: May 7Directly holds: 24,485

Lori Sweere officer

Shares sold: 29,866 Price: $60.87-$62.76

Date: May 7-10Directly holds: 70,661

Winmark Corp.

Anthony Ishaug CFO

Exercised options: 5,000 Price: $18.40

Date: May 10Holdings: 5,00