3M Co.

Frederick Palensky chief tech. officer

Exercised options: 52,000 Price: $87.35

Shares sold: 56,645 Price: $138.94–$139.20

Date: April 30Directly holds: 29,072

Ameriprise Financial Inc.

James Cracchiolo CEO

Exercised options: 200,000 Price: $58.73

Date: May 6–12

Shares sold: 34,526 Price: $112.41–$112.63

Date: May 8–12Directly holds: 462,509

Joseph Edward Sweeney officer

Shares sold: 4,000 Price: $110.11

Date: May 7Directly holds: 14,766

Buffalo Wild Wings Inc.

Kathleen Benning-Alberga officer

Shares sold: 4,857 Price: $146.38

Date: May 5Directly holds: 12,034

Warren Mack director

Shares sold: 695 Price: $143.43

Date: May 12Directly holds: 18,724

Clearfield Inc.

Ronald Roth chairman

Shares purchased: 5,000 Price: $14.44

Date: May 7Directly holds: 1,310,570

Communications Systems

Edwin Freeman director

Exercised options: 3,000 Price: $8.28

Date: May 8Directly holds: NA

Gerald Pint director

Exercised options: 3,000 Price: $8.28

Date: May 13Directly holds: NA

Randall Sampson director

Exercised options: 3,000 Price: $8.28

Date: May 8Directly holds: NA

Delta Air Lines Inc.

Richard Anderson CEO

Shares sold: 100,000 Price: $38.41

Date: May 8Indirectly holds: 1,266,780

Roy Bostock director

Shares purchased: 2,000 Price: $38.18

Date: May 8Directly holds: 69,580

Michael Campbell officer

Shares sold: 20,927 Price: $38.81

Date: May 13Directly holds: 198,386

Deluxe Corp.

Julie Loosbrock officer

Exercised options: 12,466 Price:

$25.45–$25.59

Shares sold: 12,466 Price: $54.04

Date: May 6Directly holds: 15,603

Deluxe Corp. (CONT.)

Stephen Nachtsheim director

Shares sold: 8,000 Price: $56.68

Date: May 12Directly holds: 48,972

Ecolab Inc.

Jerry Levin director

Exercised options: 4,200 Price: $51.74

Date: May 9Directly holds: NA

Entegris Inc.

Daniel Christman director

Shares sold: 5,203 Price: $11.02

Date: May 8Directly holds: 80,239

Fair Isaac Corp.

Mark Scadina general counsel

Shares sold: 6,285 Price: $58.44

Date: May 12Directly holds: 35,820

Stuart Wells officer

Exercised options: 31,251 Price: $43.05

Shares sold: 37,764 Price: $58.03–$58.07

Date: May 12Directly holds: 6,000

Famous Dave'S Of America

Richard Monfort director

Exercised options: 5,000 Price: $6.72

Date: May 7Directly holds: NA

Pleasant Lake Partners shareholder

Shares purchased: 27,500 Price:

Date: May 6–8$27–$27.69

Indirectly holds: 913,361

Dean Riesen director

Exercised options: 5,000 Price: $6.72

Date: May 8Directly holds: NA

Fastenal Co.

Robert Kierlin former

Shares sold: 30,000 Price: $48.65

Date: May 7Directly holds: 11,896,400

General Mills Inc.

Y. Marc Belton officer

Exercised options: 140,626 Price: $25.63

Shares sold: 121,699 Price: $53.65

Date: May 9Directly holds: 282,036

Donal Mulligan officer

Exercised options: 34,650 Price: $23.49

Shares sold: 34,650 Price: $54.20

Date: May 9Directly holds: 189,477

Shawn O'Grady officer

Exercised options: 69,300 Price: $23.49

Shares sold: 69,300 Price: $53.85

Date: May 9Directly/indirectly

holds: 209,175

General Mills Inc. (cont.)

Christopher O'Leary officer

Exercised options: 105,600 Price: $23.49

Shares sold: 105,600 Price: $53.95

Date: May 9Directly holds: 235,756

Image Sensing Systems

Kris Tufto CEO

Shares purchased: 2,000 Price: $4.23

Date: May 14Directly holds: 13,800

Pentair Ltd.

John Stauch CFO

Exercised options: 60,000 Price: $33.38

Shares sold: 60,000 Price: $76.33

Date: May 13Directly holds: 43,870

Select Comfort Corp.

Andrea Lee Bloomquist officer

Shares sold: 2,355 Price: $18.54–$18.57

Date: May 6Directly holds: 28,119

Surmodics Inc.

Susan Knight director

Shares purchased: 1,500 Price: $20.36

Date: May 8Directly holds: 4,800

Techne Corp.

Howard O' Connell director

Exercised options: 9,066 Price: $54.68

Shares sold: 5,000 Price: $91.00

Date: May 6–7Indirectly holds: 71,000

U.S. Bancorp

John Elmore III officer

Exercised options: 107,850 Price:

$32.70–$36.25

Shares sold: 107,850 Price: $40.72

Date: April 30Directly holds: 127,914

Michael Lafontaine COO

Shares sold: 2,525 Price: $40.27

Date: May 9Directly holds: 30,879

Jeffry Von Gillern officer

Exercised options: 42,043 Price: $30.12

Shares sold: 42,043 Price: $40.46

Date: May 7Directly holds: 62,063

Unitedhealth Group Inc.

William C. Ballard JR. director

Exercised options: 10,000 Price: $36.88

Shares sold: 10,000 Price: $76.82

Date: May 9Directly holds: 65,556

Date: May 9Directly holds: 0