AETRIUM INC.

ANDOVER GROUP INC. shareholder

Shares purchased: 50,000 Price: $1.01

Date: Aug. 23Directly holds: 50,000

JEFFREY EBERWEIN major shareholder

Shares sold: 150,000 Price: $1-$1.01

Date: Aug. 21-23Indirectly holds: 605,887

AMERIPRISE FINANCIAL INC.

KELLI HUNTER officer

Shares sold: 6,600 Price: $55.00

Date: Aug. 22Directly holds: 12,696

CARIBOU COFFEE CO. INC.

TIMOTHY HENNESSY CFO

Shares sold: 4,675 Price: $12.43

Date: Aug. 22Directly holds: 77,997

DANIEL LEE general counsel

Shares sold: 1,196 Price: $12.43

Date: Aug. 22Directly holds: 44,960

RAFFEL KAREN McBRIDE officer

Shares sold: 1,196 Price: $12.43

Date: Aug. 22Directly holds: 30,968

ECOLAB INC.

JOHN CORKREAN officer

Exercised options: 6,450 Price:

Date: Aug. 24$24.34-$27.39

Shares sold: 1,000 Price: $66.23

Date: Aug. 27Directly holds: 11,378

JAMES MILLER officer

Shares sold: 26,257 Price: $66.49-$67.01

Date: Aug. 22-23Indirectly holds: 25,474

FAIR ISAAC CORP.

RICHARD DEAL officer

Shares sold: 23,701 Price: $44.06

Date: Aug. 28Directly holds: 19,896

MICHAEL PUNG CFO

Shares sold: 81,000 Price: $43.48-$44.33

Date: Aug. 22-27Directly holds: 15,252

G&K SERVICES INC.

THOMAS JOSEPH DIETZ officer

Shares sold: 1,747 Price: $31.85

Date: Aug. 27Directly holds: 13,065

GRANITE CITY FOOD & BREWERY

JOEL CURTIS LONGTIN director

Shares purchased: 22,500 Price:

Date: Aug. 24$2.25-$2.30

Directly/indirectly holds: 60,363

HUTCHINSON TECHNOLOGY INC.

MARTHA GOLDBERG ARONSON director

Shares purchased: 10,000 Price: $1.65

Date: Aug. 28Indirectly holds: 35,000

PATTERSON COMPANIES INC.

ANDRE LACY director

Exercised options: 12,000 Price: $23.94

Date: Aug. 24Directly holds: NA

PENTAIR INC.

RANDALL HOGAN CEO

Exercised options: 44,991 Price: $35.99

Shares sold: 44,991 Price: $45.04

Date: Aug. 22Directly holds: 383,802

POLARIS INDUSTRIES INC.

GREGORY PALEN director

Exercised options: 32,000 Price:

$13.34-$29.60

Shares sold: 32,000 Price: $76.11

Date: Aug. 22Directly holds: 34,854

STRATASYS INC.

THOMAS STENOIEN COO

Exercised options: 6,000 Price: $9.90

Shares sold: 6,000 Price: $72.25

Date: Aug. 21Directly holds: 8,400

TARGET CORP.

JODEEN KOZLAK officer

Exercised options: 30,259 Price:

Date: Aug. 21$33.80-$44.02

Shares sold: 33,901 Price: $63.66-$64.20

Date: Aug. 21-24Directly holds: 42,494

TORO CO.

MICHAEL DRAZAN officer

Exercised options: 1,250 Price: $12.08

Date: Aug. 28Directly holds: NA

TORO CO. (CONT.)

BLAKE GRAMS officer

Exercised options: 16,600 Price:

$22.45-$27.47

Shares sold: 16,600 Price: $37.40-$37.46

Date: Aug. 27Directly holds: 16,450

GREGG STEINHAFEL director

Exercised options: 21,648 Price:

$16.97-$21.30

Shares sold: 15,624 Price: $37.52

Date: Aug. 27Directly holds: 10,733

UNITEDHEALTH GROUP INC.

WILLIAM C. BALLARD Jr. director

Exercised options: 10,000 Price: $22.12

Shares sold: 10,000 Price: $54.96

Date: Aug. 27Directly holds: 61,135

VALSPAR CORP.

JOHN BODE director

Exercised options: 12,900 Price:

$18.01-$21.57

Shares sold: 12,900 Price: $53.01-$53.10

Date: Aug. 27Directly holds: 12,667

VASCULAR SOLUTIONS INC.

WILLIAM RUTSTEIN officer

Shares sold: 20,000 Price: $13.05

Date: Aug. 29Directly holds: 59,212

WINMARK CORP.

JOHN MORGAN CEO

Shares purchased: 2,000 Price: $50.92

Date: Aug. 29Directly holds: 1,705,210