3M Company (MMM): Congress and insider trades
Who in Congress and inside the company traded MMM, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- 3M Company (MMM) is a listed stock on NYSE.
- 17 members of Congress filed 43 buys and 35 sells of MMM, the latest published 2026-08-06 (6 August 2026).
- Insiders filed 4 open market buys worth $1.8K and 5 sells worth $4.3M, the latest filed 2026-08-06 (6 August 2026).
- Across 31 scored buys, Congress averaged -5.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 19% of them ahead of the index. That result is clearly below the market.
- Across 1 scored buy, Insiders averaged -7.0% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell.
- Data as of 2026-09-29 (29 September 2026).
Congress buys 43 17 members
Congress sells 35
Insider buys 4 $1.8K
Insider sells 5 $4.3M
Congress buys vs S&P, 90d -5.7% 31 scored buys
Insider buys vs S&P, 90d -7.0% 1 scored buys
Congress trades in MMM
as of 2026-08-06| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 6 Aug 2026 | Julie Johnson (D-TX) | buy | 1K–15K | 508 | n/a |
| 21 Jul 2026 | Alan Armstrong (R-OK) | buy | 1K–15K | 116 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 25 | +0.9% |
| 11 Jun 2026 | Ro Khanna (D-CA) | buy | 15K–50K | 13 | +0.9% |
| 11 Jun 2026 | Ro Khanna (D-CA) | buy | 15K–50K | 39 | +0.9% |
| 20 May 2026 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 21 | n/a |
| 13 May 2026 | Ro Khanna (D-CA) | sell | 15K–50K | 17 | n/a |
| 13 May 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 28 | n/a |
| 9 Apr 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 8 | n/a |
| 2 Apr 2026 | Tina Smith (D-MN) | sell | 50K–100K | 2 | n/a |
| 13 Mar 2026 | Julia Letlow (R-LA) | sell | 1K–15K | 36 | n/a |
| 13 Mar 2026 | Julia Letlow (R-LA) | sell | 1K–15K | 38 | n/a |
| 12 Mar 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 32 | -6.6% |
| 16 Jan 2026 | Julie Johnson (D-TX) | sell | 1K–15K | 28 | n/a |
| 14 Jan 2026 | Julia Letlow (R-LA) | buy | 1K–15K | 361 | -12.6% |
| 12 Dec 2025 | Julie Johnson (D-TX) | sell | 1K–15K | 28 | n/a |
| 15 May 2025 | Josh Gottheimer (D-NJ) | buy | 1K–15K | 39 | -6.0% |
| 15 May 2025 | Julie Johnson (D-TX) | buy | 1K–15K | 43 | -6.0% |
| 15 May 2025 | Ro Khanna (D-CA) | buy | 1K–15K | 33 | -6.0% |
| 15 May 2025 | Julie Johnson (D-TX) | buy | 1K–15K | 33 | -6.0% |
| 16 Nov 2023 | Tommy Tuberville (R-AL) | buy | 15K–50K | 30 | -13.3% |
| 10 Nov 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 37 | n/a |
| 10 Nov 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 8 | n/a |
| 9 Nov 2023 | Greg Stanton (D-AZ) | buy | 1K–15K | 44 | -11.6% |
| 17 Oct 2023 | Sheldon Whitehouse (D-RI) | sell | 15K–50K | 27 | n/a |
| 9 Oct 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 30 | +12.3% |
| 7 Sep 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 8 | n/a |
| 7 Sep 2023 | Ro Khanna (D-CA) | buy | 15K–50K | 34 | -4.5% |
| 14 Aug 2023 | Daniel S. Goldman (D-NY) | sell | 15K–50K | 32 | n/a |
| 14 Aug 2023 | Tommy Tuberville (R-AL) | buy | 1K–15K | 20 | -6.7% |
| 12 Jul 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 12 | n/a |
| 12 Jul 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 13 | n/a |
| 20 Jun 2023 | Angus King (O-ME) | sell | 1K–15K | 32 | n/a |
| 14 Jun 2023 | Ro Khanna (D-CA) | buy | 15K–50K | 24 | -2.5% |
| 14 Jun 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 20 | -2.5% |
| 15 May 2023 | Ron Wyden (D-OR) | sell | 1K–15K | 185 | n/a |
| 15 May 2023 | Chuck Fleischmann (R-TN) | buy | 1K–15K | 29 | -2.5% |
| 12 May 2023 | Tommy Tuberville (R-AL) | buy | 1K–15K | 28 | -2.7% |
| 12 May 2023 | Tommy Tuberville (R-AL) | buy | 1K–15K | 39 | -2.7% |
| 10 May 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 13 | -4.1% |
| 17 Apr 2023 | Daniel S. Goldman (D-NY) | buy | 1K–15K | 42 | -12.1% |
| 12 Apr 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 24 | n/a |
| 12 Apr 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 14 | n/a |
| 27 Feb 2023 | Daniel S. Goldman (D-NY) | buy | 1K–15K | 24 | -15.1% |
| 7 Dec 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 33 | n/a |
| 7 Dec 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 34 | n/a |
| 11 Nov 2022 | Kathy Manning (D-NC) | buy | 1K–15K | 29 | -15.8% |
| 12 Oct 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 8 | +5.8% |
| 12 Oct 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 8 | +5.8% |
| 9 Sep 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 38 | +6.3% |
| 9 Sep 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 16 | +6.3% |
| 12 Aug 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 21 | n/a |
| 15 Jul 2022 | Shelley Moore Capito (R-WV) | sell | 1K–15K | 15 | n/a |
| 11 Jul 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 20 | n/a |
| 11 Jul 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 21 | -10.8% |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 18 | -17.4% |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 31 | -17.4% |
| 12 May 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 23 | n/a |
| 12 May 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 25 | n/a |
| 12 May 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 15 | n/a |
| 11 Mar 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 22 | +3.1% |
| 11 Mar 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 19 | +3.1% |
| 17 Feb 2022 | Susan Collins (R-ME) | sell | 15K–50K | 42 | n/a |
| 14 Feb 2022 | Tommy Tuberville (R-AL) | buy | 1K–15K | 33 | +6.6% |
| 9 Feb 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 19 | n/a |
| 9 Feb 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 18 | n/a |
| 10 Jan 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 31 | -9.3% |
| 8 Dec 2021 | Ro Khanna (D-CA) | buy | 15K–50K | 28 | -7.8% |
| 8 Dec 2021 | Ro Khanna (D-CA) | sell | 15K–50K | 35 | n/a |
| 10 Nov 2021 | Ro Khanna (D-CA) | buy | 15K–50K | 33 | -7.5% |
| 5 Nov 2021 | John Yarmuth (D-KY) | buy | 1K–15K | 42 | -6.8% |
| 16 Oct 2021 | Tommy Tuberville (R-AL) | sell | 1K–15K | 16 | n/a |
| 15 Oct 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 16 | -5.1% |
| 16 Sep 2021 | Ro Khanna (D-CA) | sell | 15K–50K | 29 | n/a |
| 16 Sep 2021 | Ro Khanna (D-CA) | sell | 1K–15K | 40 | n/a |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 15K–50K | 30 | -6.6% |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 22 | -6.6% |
| 24 Jul 2021 | Tommy Tuberville (R-AL) | buy | 1K–15K | 116 | -12.7% |
Nothing matches that search.
Insider trades in MMM
as of 2026-08-06| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 6 Aug 2026 | Chavez Rodriguez Beatriz Karin | sell | 3,635 | $182.51 | $663K | n/a |
| 24 Jul 2026 | Banovetz John Patrick | sell | 7,880 | $170.44 | $1.3M | n/a |
| 24 Jul 2026 | Reinseth Theresa E | sell | 924 | $169.42 | $157K | n/a |
| 23 Jul 2026 | Goralski Christian T JR | sell | 4,902 | $170.46 | $836K | n/a |
| 23 Jul 2026 | Rhodes Kevin H | sell | 7,669 | $171.20 | $1.3M | n/a |
| 9 Apr 2026 | Goralski Christian T JR | buy | 3 | $103.21 | $310 | -7.0% |
| 9 Apr 2026 | Goralski Christian T JR | buy | 3 | $127.04 | $381 | -7.0% |
| 9 Apr 2026 | Goralski Christian T JR | buy | 2 | $127.99 | $256 | -7.0% |
| 9 Apr 2026 | Goralski Christian T JR | buy | 9 | $97.26 | $875 | -7.0% |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought MMM?
43 Congress buys by 17 members and 4 insider buys are on file. The tables on this page list every one.
Did buying MMM after a disclosure beat the market?
Across 31 scored buys, Congress averaged -5.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 19% of them ahead of the index. That result is clearly below the market. Across 1 scored buy, Insiders averaged -7.0% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.