Ameriprise Financial Inc.

Walter Stanley Berman CFO

Shares sold: 15,000 Price: $106.44

Date: Feb. 11Directly holds: 28,091

Deirdre Mcgraw-Davey officer

Exercised options: 12,923 Price:

$52.86–$58.73

Date: Feb. 10Holdings: 29,993

Kim Michelle Sharan officer

Exercised options: 25,141 Price:

$52.86–$58.73

Shares sold: 15,948 Price: $105.85

Date: Feb. 11Directly holds: 30,472

John Robert Woerner officer

Exercised options: 24,108 Price: $52.86

Shares sold: 10,744 Price: $106.39

Date: Feb. 11Directly holds: 25,782

Clearfield Inc.

Charles Hayssen director

Shares purchased: 8,000 Price: $22.50

Date: Feb. 7Directly holds: 130,808

Ronald Roth chairman

Shares purchased: 5,000 Price: $21.82

Date: Feb. 10Directly holds: 1,280,280

Entegris Inc.

Daniel Christman director

Shares sold: 40,928 Price: $11.48

Date: Feb. 10Directly holds: 75,378

Fair Isaac Corp.

James Kirsner director

Shares sold: 15,000 Price: $51.58

Date: Feb. 6Indirectly holds: 7,308

Mts Systems Corp.

David Johnson director

Shares purchased: 5,000 Price: $70.41

Date: Feb. 4Directly holds: NA

Steven Mahon general counsel

Exercised options: 5,600 Price: $36.94

Shares sold: 5,600 Price: $71.47

Date: Feb. 6Directly holds: 2,309

Nve Corp.

James Hartman director

Shares sold: 2,000 Price: $54.51

Date: Feb. 5Directly holds: 5,000

Pentair LTD

Phillip Pejovich officer

Exercised options: 7,001 Price:

$50.31–$50.61

Shares sold: 7,001 Price: $75.00

Date: Feb. 5Directly holds: 11,300

Polaris Industries Inc.

Matthew Homan officer

Exercised options: 28,500 Price:

$22.33–$65.57

Shares sold: 28,500 Price: $122.86

Date: Feb. 3Directly holds: NA

Proto Labs Inc

Robert Bodor chief technology officer

Exercised options: 4,000 Price: $36.41

Shares sold: 4,000 Price: $80.29–$81.04

Date: Feb. 7Directly holds: NA

St. Jude Medical Inc.

Michael Rocca director

Exercised options: 5,600 Price: $38.20

Shares sold: 5,600 Price: $60.36

Date: Feb. 6Directly holds: 16,447

Michael Rousseau COO

Shares sold: 4,644 Price: $59.76

Date: Feb. 4Directly holds: 18,711

Scott Thome officer

Exercised options: 7,500 Price: $38.59

Shares sold: 7,500 Price: $59.57

Date: Feb. 5Directly holds: NA

Vascular Solutions Inc.

William Rutstein officer

Shares sold: 27,782 Price: $23.70–$23.88

Date: Feb. 7–10Directly holds: 38,425

Winmark Corp.

Anthony Ishaug CFO

Exercised options: 5,250 Price:

$12.75–$13.01

Date: Feb. 4Holdings: NA