PIONEER NAT RES CO

CUSIP: 723787107 Class: COM

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

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

Q3 2018
Shares 1,154 Value ($000) $201 Avg Close — Range —
Q2 2018
Shares 1,154 Value ($000) $218 Avg Close — Range —