ALLEGRO MERGER CORP

CUSIP: 01749N301 Class: UNIT 12/31/2023

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

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

Q1 2020
Shares 41 Value ($000) $0 Avg Close — Range —
Q4 2019
Shares 41 Value ($000) $0 Avg Close — Range —