*Notional-weighted price return on lawmakers' disclosed buys of MMM, marked to the latest close — per-share (share counts aren't disclosed).
| Date | Member | Type | Amount | Est. price | Latest close | Return |
|---|---|---|---|---|---|---|
| 2015-01-28 | Hon. Rubén Hinojosa | SELL | $1K–$15K | $137.07 | $164.01 2026-06-26 | -19.6% exit |
| 2014-03-07 | Hon. David B. McKinley | BUY | $1K–$15K | $112.13 | $164.01 2026-06-26 | +46.3% |
| 2013-10-11 | THOMAS R CARPER | BUY | $1K–$15K | $100.94 | $164.01 2026-06-26 | +62.5% |
| 2013-07-22 | SUSAN M COLLINS | SELL | $1K–$15K | $97.22 | $164.01 2026-06-26 | -68.7% exit |
| 2013-05-09 | SHELDON WHITEHOUSE | BUY | $1K–$15K | $91.91 | $164.01 2026-06-26 | +78.5% |
| 2013-05-08 | SHELDON WHITEHOUSE | BUY | $1K–$15K | $90.47 | $164.01 2026-06-26 | +81.3% |
| Hon. Mike Kelly | BUY | $1K–$15K | — | — | — |
Return: buys marked to the latest close (open); sells tagged rt are realized round-trips vs a prior disclosed buy; exit = timing (stock move after the sale, seller's perspective).