Ameriprise Financial
David K. Stewart officer
Exercised options: 11,874 Price: $37.23
Shares sold: 4,817 Price: $171.51
Date: Dec. 22Directly holds: 18,110
Insignia Systems Inc.
aIr T Inc. major shareholder
Shares purchased: 50,000 Price:
Insider trading
December 31, 2017 at 8:00PM
Date: Dec. 22–27$1.21–$1.24
Directly holds: 1,897,103
Insignia Systems Inc.
Sardar Biglari major shareholder
Shares sold: 161,852 Price: $1.22–$1.25
Date: Dec. 26–28Indirectly holds:
1,983,438
Tactile Systems Technology Inc.
Bryan Rishe officer
Shares sold: 1,500 Price: $29.54
Date: Dec. 20Directly holds: 100,807
Unitedhealth Group
David Wichmann CEO
Exercised options: 203,642 Price:
Date: Dec. 21 $33.94
Directly holds: na
Winmark Corp.
Paul Reyelts director
Exercised options: 10,250 Price:
Date: Dec. 21 $12.75–$82.72
Directly holds: na
about the writer
The U.S. stock market roared back on Friday, as technology stocks recovered much of their losses from earlier in the week and bitcoin halted its plunge, at least for now.
![Attendees of Frostbike made their way through the convention Saturday at the Quality Bike Products campus in Minneapolis. ] (AARON LAVINSKY/STAR TRIBUNE) aaron.lavinsky@startribune.com Frostbike 2016 was held at the Quality Bike Products Campus on Saturday, Feb. 27, 2016 in Bloomington, Minn.](https://arc.stimg.co/startribunemedia/NH2BSHB74ND2V6GF2G2HI5X4MM.jpg?&w=252&ar=3:2&fit=crop)
