AIR TRANSPORT SERVICES GRP I

CUSIP: 00922R105 Class: Common Stock

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q1 2021
Shares 24,000 Value ($000) $702 Avg Close — Range —
Q4 2020
Shares 36,400 Value ($000) $1,141 Avg Close — Range —
Q3 2020
Shares 38,580 Value ($000) $967 Avg Close — Range —
Q2 2020
Shares 38,580 Value ($000) $859 Avg Close — Range —
Q1 2020
Shares 47,030 Value ($000) $860 Avg Close — Range —
Q4 2019
Shares 45,830 Value ($000) $1,075 Avg Close — Range —
Q3 2019
Shares 37,030 Value ($000) $778 Avg Close — Range —
Q2 2019
Shares 14,030 Value ($000) $342 Avg Close — Range —
Q1 2019
Shares 11,500 Value ($000) $265 Avg Close — Range —