3M Company

CUSIP: 88579y101 Class: COM

HARBOR ADVISORY CORP /MA/'s Holding History (CIK: 0001100710)

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

Q2 2022
Shares 5,819 Value ($000) $753 Avg Close — Range —
Q1 2022
Shares 6,519 Value ($000) $971 Avg Close — Range —
Q4 2021
Shares 7,314 Value ($000) $1,299 Avg Close — Range —
Q3 2021
Shares 7,014 Value ($000) $1,230 Avg Close — Range —
Q2 2021
Shares 7,014 Value ($000) $1,393 Avg Close — Range —
Q1 2021
Shares 7,049 Value ($000) $1,358 Avg Close — Range —
Q4 2020
Shares 7,109 Value ($000) $1,243 Avg Close — Range —
Q3 2020
Shares 6,275 Value ($000) $1,005 Avg Close — Range —
Q2 2020
Shares 6,315 Value ($000) $985 Avg Close — Range —
Q1 2020
Shares 6,315 Value ($000) $862 Avg Close — Range —
Q4 2019
Shares 6,445 Value ($000) $1,137 Avg Close — Range —
Q3 2019
Shares 6,470 Value ($000) $1,064 Avg Close — Range —
Q2 2019
Shares 6,445 Value ($000) $1,117 Avg Close — Range —
Q1 2019
Shares 6,470 Value ($000) $1,344 Avg Close — Range —
Q4 2018
Shares 6,515 Value ($000) $1,241 Avg Close — Range —
Q3 2018
Shares 6,580 Value ($000) $1,386 Avg Close — Range —
Q2 2018
Shares 6,605 Value ($000) $1,299 Avg Close — Range —
Q1 2018
Shares 6,705 Value ($000) $1,472 Avg Close — Range —
Q4 2017
Shares 6,960 Value ($000) $1,638 Avg Close — Range —