PIONEER MERGER CORP

CUSIP: G7S24C129 Class: UNIT 99/99/9999

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q2 2021
Shares 581,275 Value ($000) $6,063 Avg Close — Range —
Q1 2021
Shares 570,700 Value ($000) $5,701 Avg Close — Range —