PIONEER MERGER CORP

CUSIP: G7S24C111 Class: WTS

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q3 2021
Shares 16,666 Value ($000) $18 Avg Close — Range —
Q2 2021
Shares 16,666 Value ($000) $27 Avg Close — Range —
Q1 2021
Shares 16,666 Value ($000) $16 Avg Close — Range —