DUPONT DE NEMOURS INC

CUSIP: 26614n102 Class: COM

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

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

Q4 2022
Shares 10,800 Value ($000) $1 Avg Close — Range —
Q3 2022
Shares 11,416 Value ($000) $575 Avg Close — Range —
Q2 2022
Shares 11,532 Value ($000) $641 Avg Close — Range —
Q1 2022
Shares 6,532 Value ($000) $481 Avg Close — Range —