RIO TINTO PLC

Ticker: RIO CUSIP: 767204100 Class: COM

New England Research & Management, Inc.'s Holding History (CIK: 0001596077)

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

Q2 2022
Shares 5,950 Value ($000) $363 Avg Close — Range —
Q2 2021
Shares 5,825 Value ($000) $489 Avg Close — Range —
Q1 2021
Shares 8,500 Value ($000) $660 Avg Close — Range —