ARCONIC CORPORATION

CUSIP: 03966V107 Class: COM

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

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

Q4 2021
Shares 57,370 Value ($000) $1,894 Avg Close — Range —
Q3 2021
Shares 60,400 Value ($000) $1,905 Avg Close — Range —
Q2 2021
Shares 36,400 Value ($000) $1,297 Avg Close — Range —