3M Co.

James Bauman officer

Exercised options: 23,320 Price: $54.11

Shares sold: 11,660 Price:

Date: Feb. 2 $246.84–$248.09

Directly holds: 12,616

Nicholas C. Gangestad CFO

Exercised options: 1,681 Price: $78.72

Shares sold: 1,681 Price: $249.76

Date: Feb. 1 Directly holds: 20,381

Paul A. Keel officer

Exercised options: 13,680 Price: $54.11

Shares sold: 13,480 Price:

Date: Feb. 1 $246.83–$247.03

Directly holds: 5,529

Michael F. Roman officer

Exercised options: 6,604 Price: $77.18

Shares sold: 4,146 Price:

Date: Feb. 2 $246.59–$246.69

Directly holds: 14,520

Hak Cheol Shin officer

Exercised options: 117,544 Price:

$54.11

Shares sold: 58,772 Price:

Date: Feb. 1 $246.96–$250

Directly holds: 120,105

3M Co. (Cont.)

Michael G. Vale officer

Exercised options: 8,444 Price: $54.11

Shares sold: 6,243 Price:

$246.89–$247.05

Date: Feb. 2 Directly holds: 26,082

Ippocratis Vrohidis officer

Exercised options: 350 Price: $101.49

Shares sold: 225 Price: $249.67–$249.69

Date: Feb. 1 Directly holds: 257

Clearfield Inc.

Roger Harding director

Shares purchased: 1,000 Price: $12.65

Date: Feb. 5 Directly holds: 19,009

Intricon Corp.

Nicholas Giordano director

Exercised options: 10,000 Price: $8.98

Date: Feb. 1 Directly holds: na

Piper Jaffray Companies Inc.

Francis Fairman IV officer

Shares sold: 10,000 Price: $95.53–98.19

Date: Feb. 2 Directly holds: 47,469

Sleep Number Corp.

Mark Kimball officer

Shares sold: 8,000 Price: $37.26

Date: Feb. 1 Directly holds: 53,395

Tactile Systems Technology Inc.

Lynn Larson Blake CFO

Shares sold: 766 Price: $32.34

Date: Jan. 31 Directly holds: 62,237

Bryan Rishe officer

Shares sold: 1,500 Price: $31.68

Date: Feb. 5 Directly holds: 91,645

UnitedHealth Group

Glenn Morris Renwick director

Exercised options: 33,929 Price:

Date: Feb. 7 $20.68–$33.94

Directly holds: na