Best Buy Co. Inc.

Shari Ballard officer

Shares sold: 9,778 Price: $54.68

Date: Sept. 5Directly holds: 84,613

Corie Barry CFO

Shares sold: 3,426 Price: $54.68

Date: Sept. 5Directly holds: 59,979

Hubert Joly CEO

Shares sold: 106,942 Price: $54.68

Date: Sept. 5Directly holds: 645,222

Rajendra Michael Mohan officer

Shares sold: 14,260 Price: $54.68

Date: Sept. 5Directly holds: 63,565

Keith Nelsen general counsel

Shares sold: 10,593 Price: $54.68

Date: Sept. 5Directly holds: 79,352

Kathleen Scarlett officer

Shares sold: 2,388 Price: $55.26

Date: Sept. 5Directly holds: 20,780

Mathew Watson officer

Shares sold: 1,129 Price: $54.68

Date: Sept. 5Directly holds: 17,764

Communications Systems Inc.

Curtis Allen Sampson director

Shares purchased: 10,000 Price:

Date: Sept. 6$3.94–$4.08

Directly holds: 1,095,750

Northern Technologies International Corp.

Ramani Narayan director

Exercised options: 4,000 Price: $10.25

Date: Aug. 31Directly holds: 0

Polaris Industries Inc.

James P. Williams officer

Exercised options: 5,250 Price: $44.00

Shares sold: 5,250 Price: $93.24

Date: Aug. 31Directly holds: 14,664

Select Comfort Corp.

Mark Kimball officer

Shares sold: 8,000 Price: $30.00

Date: Sept. 1Directly holds: 93,375

Sps Commerce Inc.

Michael Smerklo director

Shares sold: 227 Price: $61.38

Date: Aug. 29Directly holds: 682

Tactile Systems Technology Inc.

Robert Folkes COO

Exercised options: 2,955 Price: $0.51

Shares sold: 2,955 Price: $32.46

Date: Sept. 1Directly holds: 133,337

Bryan Rishe officer

Shares sold: 1,500 Price: $32.77

Date: Sept. 5Directly holds: 111,307

Toro Co.

Blake M. Grams officer

Exercised options: 8,200 Price: $15.88

Shares sold: 8,200 Price: $60.93

Date: Sept. 1Directly holds: 66

Unitedhealth Group

Gail Wilensky director

Exercised options: 5,600 Price:

$47.90–$48.14

Shares sold: 5,600 Price: $199.49

Date: Sept. 5Directly holds: 55,834

Winmark Corp.

Kirk Mackenzie director

Shares sold: 12,519 Price:

Date: Aug. 30–Sept. 6$131.46–$131.97

Shares sold: 1,071 Price: $131.21

Date: Sept. 7Indirectly holds: 31,513

Xcel Energy Inc.

DANIEL YOhannes director

Shares purchased: 1,000 Price: $49.53

Date: Sept. 5Directly holds: 1,000