Insider Activity of Guthrie Marion Philip
The largest purchase of all time was on 2008-06-16 and amounted to 2500 shares of Research Frontiers Incorporated for $15,950.
Biography of Guthrie Marion Philip
No biography is available at this moment.
The largest purchase of all time was on 2008-06-16 and amounted to 2500 shares of Research Frontiers Incorporated for $15,950.
No biography is available at this moment.
| 2008-06-16 | Research Frontiers Incorporated REFR | director | 2,500 0.0161% | $6.38 | $15,950 | -42.75% |