3M Co.
Jon T. Lindekugel, officer
Exercised options: 6,410Price: $78.72
Shares sold: 6,410Price: $203.01
Date: Aug. 10Directly holds: 4,641
Bio-Techne Corp.
Charles A. Dinarello, director
Exercised options: 5,000Price: $63.06
Shares sold: 5,000Price: $176.94
Date: Aug. 8Directly holds: 8,212
Calyxt Inc.
Daniel F. Voytas, officer
Exercised options: 4,083Price: $3.71
Shares sold: 4,083Price: $17.48
Date: Aug. 8Directly holds: 92,982
Digi International Inc.
Jon A. Nyland, officer
Exercised options: 22,447Price: $8.03
Shares sold: 22,447Price:
Date: Aug. 8-10$13.10–$13.25
Directly holds: 38,859
Ecolab Inc.
Christophe Beck, officer
Exercised options: 25,500Price:
$45.67–$48.06
Shares sold: 25,500Price:
Date: Aug. 9-10$147.12–$148.33
Directly holds: 26,270
Victoria J. Reich, director
Exercised options: 6,700Price: $47.48
Shares sold: 6,700Price: $148.40
Date: Aug. 9Directly holds: 18,787
H.B. Fuller Co.
Traci L. Jensen, officer
Shares sold: 4,508Price: $57.45
Date: Aug. 9Directly holds: 14,774
Intricon Corp.
Scott Longval, CFO
Exercised options: 15,000Price: $4.05
Date: Aug. 14Directly holds: na
Michael J. McKenna, director
Exercised options: 58,945Price:
Date: Aug. 14$3.03–$6.82
Directly holds: na
Insignia Systems Inc.
Air T Inc., beneficial owner
Shares purchased: 40,000Price:
Date: Aug. 8-10$1.86–$1.98
Shares sold: 6,272Price: $2.05
Date: Aug 14Directly holds: 3,509,742
NVE Corp.
Terrence W. Glarner, director
Exercised options: 2,000Price:
$56.76–$67.69
Shares sold: 2,000Price: $115
Date: Aug. 15Directly holds: 2,200
Pentair PLC
Matthew H. Peltz, director
Shares sold: 1,700,000Price: $42.15
Date: Aug. 13Indirectly holds:
12,039,444
C.H. Robinson Worldwide Inc.
Michael W. Neill, chief tech officer
Shares sold: 452Price: $96.10
Date: Aug. 8Directly holds: 7,788
Surmodics Inc.
Joseph J. Stich, officer
Shares sold: 2,000Price:
Date: Aug. 10$67.03–$70.06
Directly holds: 51,919
Tactile Systems Technology Inc.
William W. Burke, director
Shares sold: 5,000Price: $58.74
Date: Aug. 9Directly holds: 1,979
Kevin H. Roche, director
Shares sold: 15,000Price:
Date: Aug. 8-10$57.37–$59.25
Directly holds: 53,157
Tennant Co.
David W. Huml, officer
Exercised options: 6,500Price:
$73.20–$73.73
Shares sold: 6,500Price: $79.57
Date: Aug. 8Directly holds: 7,569
Thomas Paulson, CFO
Exercised options: 15,000Price: $10.08
Shares sold: 15,000Price:
Date: Aug. 9$78.29–$78.87
Directly holds: 26,916
Winmark Corp.
Ronald G. Olson, beneficial owner
Shares sold: 3,565Price: $147.50
Date: Aug. 13-15Directly holds:
475,298