MANTECH INTL CORP

CUSIP: 564563104 Class: CL A

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

Note: Option positions (PUT/CALL) are excluded.

Q4 2018
Shares 187,454 Value ($000) $9,803 Avg Close — Range —
Q3 2018
Shares 268,044 Value ($000) $16,967 Avg Close — Range —
Q2 2018
Shares 233,993 Value ($000) $12,551 Avg Close — Range —
Q1 2018
Shares 139,672 Value ($000) $7,748 Avg Close — Range —