3M Co.

Julie L. Bushman officer

Exercised options: 10,424 Price: $77.18

Shares sold: 10,424 Price: $173–$173.03

Date: Nov. 17Directly holds: 23,093

Best Buy Co. Inc.

Kathy J. Higgins Victor director

Exercised options: 15,000 Price:

$38.13–$42.19

Shares sold: 15,000 Price: $45.50

Date: Nov. 21Directly holds: 35,010

Rajendra Michael Mohan officer

Exercised options: 61,386 Price:

$22.06 –$32.98

Shares sold: 61,386 Price:

Date: Nov. 21$45.33–$46.01

Directly holds: 82,049

MATTHEW Watson officer

Exercised options: 6,701 Price:

$24.18–$32.98

Shares sold: 8,162 Price: $45.23

Date: Nov. 21Directly holds: 17,415

Bio-Techne Corp.

Roger Lucas director

Shares sold: 100 Price: $105.75

Date: Nov. 16Directly holds: 4,029

Buffalo Wild Wings

Lee R. Patterson officer

Exercised options: 1,201 Price:

Date: Nov. 22$48.35–$53.75

Directly holds: na

James Schmidt COO

Exercised options: 1,088 Price:

Date: Nov. 21$87.53–$94.42

Directly holds: na

Clearfield Inc.

Daniel Herzog CFO

Exercised options: 10,000 Price: $3.30

Date: Nov. 18

Shares sold: 25,000 Price:

Date: Nov. 21-22$18.88–$19.61

Directly holds: 70,293

Communications Systems Inc.

Bruce Blackwood officer

Shares purchased: 2,300 Price: $4.30

Date: Nov. 18Directly holds: 8,414

Entellus Medical Inc.

Brian Eugene Farley director

Shares sold: 15,000 Price:

Date: Nov. 17-22$18.30–$18.70

Directly holds: 499,581

Famous Dave'S Of America Inc.

Patrick D. Walsh director

Shares sold: 62,502 Price: $4.57–$4.80

Date: Nov. 17–21Indirectly holds:

372,250

Intricon Corp.

Scott Longval CFO

Exercised options: 2,500 Price: $5.35

Date: Nov. 21Directly holds: na

Medtronic Plc

James Lenehan director

Shares purchased: 2,000 Price: $73.27

Date: Nov. 23Directly holds: 40,252

Otter Tail Corp.

John Erickson director

Shares sold: 2,900 Price: $37.33

Date: Nov. 21Indirectly holds: 156,905

Sps Commerce Inc.

Philip Soran director

Exercised options: 2,672 Price: $27.55

Shares sold: 2,672 Price: $66.28

Date: Nov. 16Directly holds: 5,266

Target Corp.

Anne Mulcahy director

Exercised options: 3,957 Price: $58.13

Shares sold: 3,957 Price: $75.45

Date: Nov. 17Directly holds: 37,332

Tile Shop Holdings Inc.

Todd Krasnow director

Shares sold: 2,000 Price: $19.23–$19.30

Date: Nov. 16Indirectly holds:

112,190

U.S. Bancorp

Craig Schnuck director

Exercised options: 16,544 Price: $35.76

Shares sold: 16,544 Price: $48.44

Date: Nov. 15Directly holds: 3,027

Unitedhealth Group

Gail Wilensky director

Exercised options: 5,460 Price:

$52.21–$52.57

Shares sold: 5,460 Price: $150.55

Date: Nov. 17Directly holds: 55,052

Winmark Corp.

NIne Ten Capital major shareholder

Shares sold: 5,000 Price: $115–$115.02

Date: Nov. 21–22Indirectly holds:

445,119