Insider Activity of STONE MARK J
The largest sale of all time was on 2012-02-28 and amounted to 6700 shares of Northern Technologies International Corporation for $101,840.
Biography of STONE MARK J
No biography is available at this moment.
The largest sale of all time was on 2012-02-28 and amounted to 6700 shares of Northern Technologies International Corporation for $101,840.
No biography is available at this moment.
| 2012-08-10 | Sale | Northern Technologies International Corporation NTIC | director | 2,059 0.0468% | $9.85 | $20,289 | +12.56% | |
| 2012-02-28 | Sale | Northern Technologies International Corporation NTIC | director | 6,700 0.1457% | $15.20 | $101,840 | -28.26% | |
| 2012-02-27 | Sale | Northern Technologies International Corporation NTIC | director | 100 0.0024% | $15.70 | $1,570 | -24% | |
| 2011-08-31 | Sale | Northern Technologies International Corporation NTIC | director | 4,000 0.0676% | $12.11 | $48,420 | -19.45% | |
| 2010-11-29 | Sale | Northern Technologies International Corporation NTIC | director | 2,000 0.048% | $14.39 | $28,786 | +10.77% | |
| 2006-01-31 | Sale | Northern Technologies International Corporation NTIC | director | 10,000 0.1589% | $4.14 | $41,440 | +7.1% |