bought between 100,001 and 250,000 shares of VSEC on 23 March.
bought between 15,001 and 50,000 shares of VSEC on 30 March.
Markwayne Mullin bought between 15,001 and 50,000 shares of VSEC on 4 February.
Markwayne Mullin bought between 15,001 and 50,000 shares of VSEC on 5 January.
