Spero Therapeutics Inc

CUSIP: 84833t103 Class: COM

Bollard Group LLC's Holding History (CIK: 0001556218)

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

Q1 2022
Shares 2,215 Value ($000) $19 Avg Close — Range —
Q4 2021
Shares 2,215 Value ($000) $35 Avg Close — Range —
Q3 2021
Shares 2,215 Value ($000) $41 Avg Close — Range —
Q2 2021
Shares 2,215 Value ($000) $31 Avg Close — Range —
Q1 2021
Shares 2,215 Value ($000) $33 Avg Close — Range —
Q4 2020
Shares 2,215 Value ($000) $43 Avg Close — Range —
Q3 2020
Shares 2,215 Value ($000) $25 Avg Close — Range —
Q2 2020
Shares 2,215 Value ($000) $30 Avg Close — Range —