Allete Inc.
Robert John Adams officer
Shares sold: 460 Price: $55.50
Date: Feb. 23Directly holds: 8,466
Ameriprise Financial
Donald Froude officer
Shares sold: 6,000 Price: $136.18
Date: Feb. 20Directly holds: 28,581
Deirdre Mcgraw-Davey officer
Shares sold: 4,000 Price: $135.83
Date: Feb. 19Directly holds: 14,204
Bio-Techne Corp.
Howard O'Connell director
Exercised options: 5,000 Price: $56.17
Shares sold: 5,000 Price: $95.78
Date: Feb. 19Indirectly holds: 72,000
C.H. Robinson Worldwide Inc.
Scott Satterlee officer
Shares sold: 5,916 Price: $71.92
Date: Feb. 19Indirectly holds: 3,466
Clearfield Inc.
Daniel Herzog CFO
Exercised options: 20,000 Price:
Date: Feb. 18$2.58–$3.30
Holdings: na
Cyberoptics Corp.
Subodh Kulkarni CEO
Shares purchased: 500 Price: $9.70
Date: Feb. 23Directly holds: 30,750
Fair Isaac Corp.
Andrew Jennings officer
Exercised options: 33,127 Price:
$20.31–$41.89
Shares sold: 33,127 Price: $81.80
Date: Feb. 19Indirectly holds: 23,717
H.b. Fuller Co.
James Owens CEO
Shares sold: 1,800 Price: $44.22
Date: Feb. 17Directly holds: 159,506
Insignia Systems Inc.
AIr T Inc. major shareholder
Shares purchased: 1,100 Price: $3.10
Date: Feb. 24Directly holds: 1,325,680
Medtronic Plc
Christopher J. O'Connell officer
Exercised options: 48,514 Price:
$36.24–$48.70
Shares sold: 50,361 Price:
Date: Feb. 18–19$78.17–$78.28
Directly holds: 95,928
Pentair Plc
Karl Frykman officer
Exercised options: 7,316 Price: $41.12
Date: Feb. 20Holdings: na
Piper Jaffray CoS.
Andrew Duff CEO
Shares sold: 2,858 Price: $52.96
Date: Feb. 24Indirectly holds: 344,494
Martin Winges chief invest. officer
Shares sold: 85 Price: $52.95
Date: Feb. 17Indirectly holds: 35,223
Polaris Industries Inc.
Michael Jonikas officer
Shares sold: 2,899 Price: $155.07
Date: Feb. 18Directly holds: 5,870
Proto Labs Inc
Jacqueline Schneider officer
Shares sold: 151 Price: $73.65
Date: Feb. 18Directly holds: 6,729
Tcf Financial Corp.
Thomas Cusick director
Shares sold: 50,000 Price: $15.69
Date: Feb. 24Indirectly holds: 195,754
Unitedhealth Group
Eric Stuart Rangen officer
Exercised options: 6,108 Price:
$57.38–$70.24
Shares sold: 16,252 Price: $111.03
Date: Feb. 20Directly holds: 12,620
David Wichmann president
Exercised options: 165,000 Price:
$48.36–$59
Date: Feb. 17Holdings: na
Vascular Solutions
John Erb director
Exercised options: 10,000 Price: $6.39
Shares sold: 10,000 Price: $28.56
Date: Feb. 18Directly holds: 18,154