3M Co.
Julie Bushman officer
Exercised options: 30,330 Price:
$84.40-$89.36
Shares sold: 30,330 Price: $104.21-$104.26
Date: Feb. 19Directly holds: 16,668
Nicholas Gangestad officer
Exercised options: 7,005 Price: $84.40
Date: Feb. 19Holdings: NA
Ian Hardgrove officer
Shares sold: 2,775 Price: $103.36-$103.40
Date: Feb. 22Directly holds: 9,538
Christopher Holmes officer
Shares sold: 1,400 Price: $104.22
Date: Feb. 20Directly holds: 1,146
Michael Kelly officer
Exercised options: 5,552 Price: $97.21
Shares sold: 10,056 Price: $104.14-$104.18
Date: Feb. 20Directly holds: 19,314
Roger H. Lacey officer
Exercised options: 19,246 Price:
$80.65-$90.35
Shares sold: 24,095 Price: $103.07-$103.15
Date: Feb. 22Directly holds: 21,748
Frederick Palensky chief tech. officer
Exercised options: 66,881 Price:
$54.11-$80.50
Shares sold: 75,439 Price: $104-$104.08
Date: Feb. 19Directly holds: 34,072
Bradley Sauer officer
Exercised options: 59,061 Price:
$84.40-$96.83
Shares sold: 42,592 Price: $104.15-$104.30
Date: Feb. 19Directly holds: 21,023
Hak Cheol Shin officer
Exercised options: 38,721 Price:
$84.40-$87.65
Shares sold: 22,310 Price: $104.15-$104.20
Date: Feb. 20Directly holds: 46,961
Michael Vale officer
Exercised options: 2,112 Price: $61.85
Shares sold: 6,774 Price: $102.55-$102.58
Date: Feb. 21Directly holds: 633
Aetrium Inc.
Archer Advisors major shareholder
Shares purchased: 7,200 Price: $0.65-$0.66
Date: Feb. 20-21Indirectly holds: 454,265
Allete Inc.
Robert John Adams officer
Exercised options: 6,381 Price:
Date: Feb. 21$37.76-$41.35
Shares sold: 7,381 Price: $46.32-$46.94
Date: Feb. 21-22Directly holds: 14,313
Steven Devinck officer
Exercised options: 3,170 Price:
$37.76-$39.10
Shares sold: 3,170 Price: $46.63-$46.70
Date: Feb. 21Directly holds: 12,325
Alan Hodnik CEO
Exercised options: 11,829 Price:
Date: Feb. 21$37.76-$44.15
Holdings: NA
Allete Inc. (CONt.)
Donald Stellmaker officer, treasurer
Exercised options: 7,712 Price:
$37.76-$41.35
Shares sold: 7,712 Price: $46.32
Date: Feb. 21Directly holds: 14,166
Ameriprise Financial Inc.
James Cracchiolo CEO
Exercised options: 228,531 Price: $21.34
Date: Feb. 15-20
Shares sold: 75,126 Price: $69.02
Date: Feb. 19Directly holds: 330,498
Buffalo Wild Wings Inc.
Kathleen Benning-Alberga officer
Shares sold: 2,828 Price: $78.95
Date: Feb. 19Directly holds: 12,319
Sally Smith CEO
Exercised options: 6,189 Price:
Date: Feb. 21$9.08-$24.96
Holdings: NA
Clearfield Inc.
Donald Hayward director
Shares sold: 4,500 Price: $5.40
Date: Feb. 19Directly holds: 9,200
Datalink Corp.
James Leslie officer
Shares sold: 50,000 Price: $10.07-$10.23
Date: Feb. 20-21Directly holds: 34,950
Michael Shawn O'Grady officer
Shares sold: 5,000 Price: $10.10-$10.12
Date: Feb. 22Directly holds: 123,000
Deluxe Corp.
Peter Godich officer
Exercised options: 20,613 Price:
Date: Feb. 19$18.28-$32.65
Holdings: NA
Julie Loosbrock officer
Exercised options: 9,555 Price:
Date: Feb. 19$17.35- $32.65
Holdings: NA
Electro-Sensors Inc.
Nicholas Swenson major shareholder
Shares purchased: 5,895 Price: $3.85-$3.93
Date: Feb. 21-22Indirectly holds: 481,449
Entegris Inc.
Gregory Graves CFO
Exercised options: 25,819 Price: $5.40
Shares sold: 25,819 Price: $9.74
Date: Feb. 19Directly holds: 110,861
Fair Isaac Corp.
Richard Deal officer
Exercised options: 9,180 Price:
$14.16-$35.50
Shares sold: 9,180 Price: $44.82
Date: Feb. 20Directly holds: 34,462
Fastenal Co.
Darren Jackson director
Shares purchased: 10,000 Price: $52.87
Date: Feb. 19Directly holds: 10,000
Nicholas Lundquist officer
Exercised options: 8,000 Price: $22.50
Date: Feb. 20Holdings: NA
Hmn Financial Inc.
Bradley Krehbiel president
Shares sold: 2,000 Price: $5.35-$5.37
Date: Feb. 20-22Directly holds: 94,728
Northern Technologies International CORP.
Pierre Chenu director
Shares sold: 1,000 Price: $13.29
Date: Feb. 25Directly holds: 6,000
Pentair LTD.
William Thomas Monahan director
Exercised options: 10,000 Price: $26.45
Shares sold: 10,000 Price: $52.80
Date: Feb. 19Directly holds: 34,857
Piper Jaffray Companies
Brien O'Brien officer
Shares sold: 12,000 Price: $41.12
Date: Feb. 20Directly holds: 146,734
Two Harbors Invest. Corp
Brad Farrell CFO
Shares purchased: 400 Price: $12.45
Date: Feb. 22Directly holds: 13,250
William Roth chief investment officer
Shares purchased: 3,000 Price: $12.38
Date: Feb. 21Directly holds: 81,300
Thomas Siering CEO
Shares purchased: 25,000 Price:
Date: Feb. 19$12.57-$12.60
Directly holds: 312,573
Vascular Solutions Inc.
Jonathan Hammond officer
Shares sold: 2,330 Price: $15.56
Date: Feb. 21Directly holds: 29,493
Richard Nigon director
Shares sold: 4,000 Price: $15.36
Date: Feb. 19Directly holds: 48,000