IntriCon Corp.

Robert N. Masucci, director

Exercised options: 10,000Price: $3.03

Date: Jan. 9Directly holds: na

Nicholas A. Giordano, director

Exercised options: 10,000Price: $3.03

Date: Jan. 9Directly holds: na

Northern Oil and Gas Inc.

Crestview Partners III, owner

Shares sold: 4,198,650Price:

Date: Jan. 14-16$2.42–$2.66

Indirectly holds: 44,412,984

Tactile Systems Technology Inc.

Robert J. Folkes, COO

Exercised options: 5,000Price: $0.96

Shares sold: 5,000Price:

Date: Jan. 15–17$59.49–$60.85

Directly holds: 107,770

Bryan F. Rishe, officer

Shares sold: 3,000Price: $59.49

Date: Jan. 15Directly holds: 57,143