Ani Pharmaceuticals

Fred Holubow director

Exercised options: 2,000 Price: $6.36

Date: March 20 Directly holds: na

Best Buy Co. Inc.

Trish Walker officer

Shares sold: 1,795 Price: $70.50

Date: March 14 Directly holds: 37,121

Shari Ballard officer

Exercised options: 35,210 Price: $40.85

Date: March 20

Shares sold: 125,574 Price:

–20 $68.98–$72.45

Directly holds: 51,906

Rajendra M. Mohan officer

Exercised options: 38,048 Price:

–$40.85

Directly holds: na

Mathew Watson officer

Shares sold: 452 Price: $70.50

Date: March 14 Directly holds: 22,279

Calyxt Inc.

Daniel Voytas officer

Exercised options: 4,666 Price: $3.59

Shares sold: 4,666 Price: $17.91

Date: March 20 Directly holds: na

Ecolab Inc.

William Gates III major shareholder

Shares purchased: 377,731 Price:

–16 $136.63–$137.94

Indirectly holds: 30,685,554

Insignia Systems Inc.

Air T Inc. major shareholder

Shares purchased: 205,000 Price:

–21 $1.52–$1.67

Indirectly holds: 3,334,816

MTS Systems Corp.

Jeffrey Graves CEO

Shares purchased: 4,000 Price:

–15 $53.50 –$53.65

Directly holds: 41,901

Chun Hung Yu director

Shares purchased: 2,000 Price: $53.29

Date: March 14 Directly holds: 17,886

Proto Labs Inc.

John B. Goodman director

Exercised options: 1,114 Price:

–$70

Shares sold: 1,114 Price: $122.71

Date: March 14 Directly holds: 10,514

Surmodics Inc.

Joseph Stich officer

Exercised options: 10,000 Price: $12.40

Date: March 19 Directly holds: na

Tactile Systems Technology Inc.

Robert Folkes COO

Exercised options: 2,482 Price: $0.73

Shares sold: 2,482 Price: $31.80

Date: March 16 Directly holds: 119,403

Bryan Rishe officer

Shares sold: 1,500 Price: $31.02

Date: March 20 Directly holds: 91,085

UnitedHealth Group

Richard Burke SR. director

Shares sold: 10,000 Price: $224.36

Date: March 19 Directly holds:

1,857,331

Steven Nelson officer

Shares sold: 14,233 Price: $230.22

Date: March 15 Directly holds: 18,219

Larry C. Renfro officer

Shares sold: 22,184 Price: $228.94

Date: March 15 Directly holds: 173,229