ALLEGRO MERGER CORP

CUSIP: 01749N103 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2019
Shares 1,727 Value ($000) $18 Avg Close — Range —
Q3 2019
Shares 2,327 Value ($000) $24 Avg Close — Range —
Q2 2019
Shares 1,994 Value ($000) $20 Avg Close — Range —
Q1 2019
Shares 2,063 Value ($000) $20 Avg Close — Range —
Q4 2018
Shares 1,978 Value ($000) $19 Avg Close — Range —