3M Co.

Ty R. Silberhorn, director

Exercised options: 1,634Price: $87.89

Shares sold: 1,634Price: $170.72

Date: Nov. 13Directly holds: 333

Ameriprise Financial Inc.

Karen Wilson Thissen, general counsel

Exercised options: 8,183Price:

$107.61-$128.76

Shares sold: 303Price: $158.67

Date: Nov. 8Directly holds: 11,870

Ecolab Inc.

Laurie Marsh, officer

Exercised options: 14,010Price:

$71.54­-$103.27

Shares sold: 14,010Price: $191.25-$191.97

Date: Nov. 8Directly holds: 11,283

Fastenal Co.

Sheryl A. Lisowski, officer, treasurer

Exercised options: 20,578Price: $21-$23

Shares sold: 20,578Price: $36.94

Date: Nov. 7Directly holds: 600

H.B. Fuller Co.

Robert William van Sant, director

Shares sold: 10,000Price: $51.67

Date: Nov. 7Directly holds: 7,665

Pentair PLC

David A. Jones Jr., director

Exercised options: 6,116Price: $22.24

Shares sold: 6,116Price: $43.11

Date: Nov. 11Directly holds: 13,194

Protolabs inc.

Rainer Gawlick, director

Exercised options: 2,381Price: $30.58

Date: Nov. 8Directly holds: na

Sleep Number Corp.

Stephen L. Gulis Jr., director

Exercised options: 14,495Price:

$9.95-$27.45

Shares sold: 14,495Price: $48.57

Date: Nov. 6Directly holds: 22,181

Michael A. Peel, director

Exercised options: 4,500Price: $9.95

Date: Nov. 8

Shares sold: 2,250Price: $48.51

Date: Nov. 13Directly holds: 98,457

Joseph Hunter Saklad, chief tech. officer

Exercised options: 5,193Price:

$18.81-$23.61

Shares sold: 3,062Price: $51.21

Date: Nov. 7Directly holds: 61,111

Tactile Systems Technology Inc.

Robert J. Folkes, COO

Shares sold: 2,106Price: $51.27

Date: Nov. 7Directly holds: 73,642

Bryan F. Rishe, officer

Exercised options: 4,813Price: $0.96

Shares sold: 4,813Price: $51.24-$51.75

Date: Nov. 11Directly holds: 45,862

Tennant Co.

William F. Austen, director

Exercised options: 2,256Price: $34.28

Date: Nov. 11Directly holds: na

Richard Hart Zay, officer

Exercised options: 7,301Price: $40.21-$43.66

Shares sold: 7,301Price: $77.46

Date: Nov. 11Directly holds: 23,184

UnitedHealth Group

Thomas E. Roos, officer

Shares purchased: 1,177Price: $255.04

Date: Nov. 7Directly holds: 21,687

Winmark Corp.

Kirk A. Mackenzie, director

Exercised options: 1,000Price: $22.15

Date: Nov. 14Directly holds: na