Theresa E. Reinseth, Senior Vice President and CAO of 3M Co. ($MMM), sold about $1.4 million in company shares through six open market transactions over the past year. Her most recent sale occurred on February 11, 2026. These sales rank her 4177th among nearly 12,000 insiders by total value sold, below the average of $8.6 million per insider and 6.37 transactions. Reinseth made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 11, 2026 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | S | Common Stock | 40 | $172.75 | 3,149.5834 | 541,300,000 | 1.25% | 0.00% |
| Feb. 11, 2026 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | S | Common Stock | 1946 | $172.73 | 3,429.5834 | 541,300,000 | 36.20% | 0.00% |
| Feb. 11, 2026 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | M | Non-qualified Stock Option (Right to Buy) | 3349 | $0.00 | 0.0000 | 541,300,000 | 100.00% | 0.00% |
| Feb. 11, 2026 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | S | Common Stock | 240 | $172.74 | 3,189.5834 | 541,300,000 | 7.00% | 0.00% |
| Feb. 11, 2026 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | S | Common Stock | 1796 | $172.79 | 3,149.5834 | 541,300,000 | 36.32% | 0.00% |
| Feb. 11, 2026 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | M | Common Stock | 3349 | $154.69 | 6,498.5834 | 541,300,000 | 106.33% | 0.00% |
| Feb. 11, 2026 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | S | Common Stock | 1123 | $172.72 | 5,375.5834 | 541,300,000 | 17.28% | 0.00% |
| Feb. 6, 2026 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | A | Restricted Stock Units | 788 | $0.00 | 788.0000 | 541,300,000 | 9999.99% | 0.00% |
| Feb. 6, 2026 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | A | Non-qualified Stock Option (Right to Buy) | 1706 | $0.00 | 1,706.0000 | 541,300,000 | 9999.99% | 0.00% |
| Feb. 6, 2026 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | M | Restricted Stock Units | 2655 | $0.00 | 0.0000 | 541,300,000 | 100.00% | 0.00% |
| Feb. 6, 2026 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | M | Common Stock | 2655 | $172.65 | 5,803.5834 | 541,300,000 | 84.32% | 0.00% |
| Feb. 6, 2026 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | F | Common Stock | 858 | $172.65 | 4,945.5834 | 541,300,000 | 14.78% | 0.00% |
| Aug. 5, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | S | Common Stock | 3477 | $150.63 | 3,123.5854 | 552,400,000 | 52.68% | 0.00% |
| May 2, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | M | Common Stock | 1441 | $142.08 | 7,008.7444 | 552,400,000 | 25.88% | 0.00% |
| May 2, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | M | Restricted Stock Units | 1441 | $0.00 | 2,883.0000 | 552,400,000 | 33.33% | 0.00% |
| May 2, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | F | Common Stock | 441 | $142.08 | 6,567.7444 | 552,400,000 | 6.29% | 0.00% |
| Feb. 3, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | F | Common Stock | 292 | $0.00 | 4,983.0244 | 552,400,000 | 5.54% | 0.00% |
| Feb. 12, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | A | Restricted Stock Units | 1051 | $0.00 | 1,051.0000 | 552,400,000 | 9999.99% | 0.00% |
| Feb. 12, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | A | Non-qualified Stock Option (Right to Buy) | 2368 | $0.00 | 2,368.0000 | 552,400,000 | 9999.99% | 0.00% |
| Feb. 3, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | F | Common Stock | 256 | $0.00 | 4,719.2204 | 552,400,000 | 5.15% | 0.00% |
| Feb. 3, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | A | Common Stock | 858 | $0.00 | 1,415.8040 | 552,400,000 | 153.73% | 0.00% |
| Jan. 24, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | M | Common Stock | 1890 | $130.14 | 6,865.2204 | 552,400,000 | 37.99% | 0.00% |
| Jan. 24, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | M | Common Stock | 419 | $146.05 | 5,394.2204 | 552,400,000 | 8.42% | 0.00% |
| Jan. 24, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | S | Common Stock | 419 | $150.00 | 4,975.2204 | 552,400,000 | 7.77% | 0.00% |
| Jan. 24, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | S | Common Stock | 400 | $149.96 | 4,975.2204 | 552,400,000 | 7.44% | 0.00% |
| Jan. 24, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | S | Common Stock | 1490 | $149.94 | 5,375.2204 | 552,400,000 | 21.70% | 0.00% |
| Jan. 24, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | M | Non-qualified Stock Option (Right to Buy) | 419 | $0.00 | 0.0000 | 552,400,000 | 100.00% | 0.00% |
| Jan. 24, 2025 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | M | Non-qualified Stock Option (Right to Buy) | 1890 | $0.00 | 0.0000 | 552,400,000 | 100.00% | 0.00% |
| Nov. 20, 2024 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | S | Common Stock | 1033 | $127.71 | 4,943.0524 | 554,500,000 | 17.29% | 0.00% |
| Nov. 1, 2024 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | M | Restricted Stock Units | 1899 | $0.00 | 0.0000 | 554,500,000 | 100.00% | 0.00% |
| Nov. 1, 2024 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | F | Common Stock | 866 | $127.22 | 5,976.0524 | 554,500,000 | 12.66% | 0.00% |
| Nov. 1, 2024 | 3M CO | $MMM | Reinseth Theresa E | Sr Vice President & CAO | M | Common Stock | 1899 | $127.22 | 6,842.0524 | 554,500,000 | 38.42% | 0.00% |
| Aug. 6, 2024 | 3M CO | $MMM | Reinseth Theresa E | Interim CFO and SVP CAO | S | Common Stock | 2100 | $124.12 | 4,916.3344 | 553,900,000 | 29.93% | 0.00% |
| Aug. 1, 2024 | 3M CO | $MMM | Reinseth Theresa E | Interim CFO and SVP CAO | A | Restricted Stock Units | 5931 | $0.00 | 5,931.0000 | 553,900,000 | 9999.99% | 0.00% |
| June 28, 2024 | 3M CO | $MMM | Reinseth Theresa E | Senior Vice President/CAO | M | Common Stock | 5749 | $102.19 | 8,777.3344 | 553,900,000 | 189.84% | 0.00% |
| June 28, 2024 | 3M CO | $MMM | Reinseth Theresa E | Senior Vice President/CAO | F | Common Stock | 1760 | $102.19 | 7,017.3344 | 553,900,000 | 20.05% | 0.00% |
| June 28, 2024 | 3M CO | $MMM | Reinseth Theresa E | Senior Vice President/CAO | M | Restricted Stock Units | 5749 | $0.00 | 0.0000 | 553,900,000 | 100.00% | 0.00% |
| April 1, 2024 | 3M CO | $MMM | Reinseth Theresa E | Senior Vice President/CAO | A | Restricted Stock Units | 5749 | $0.00 | 5,749.0000 | 553,900,000 | 9999.99% | 0.00% |
| April 1, 2024 | 3M CO | $MMM | Reinseth Theresa E | Senior Vice President/CAO | A | Restricted Stock Units | 5059 | $0.00 | 5,059.0000 | 553,900,000 | 9999.99% | 0.00% |
| May 3, 2024 | 3M CO | $MMM | Reinseth Theresa E | Senior Vice President/CAO | A | Restricted Stock Units | 4324 | $0.00 | 4,324.0000 | 553,900,000 | 9999.99% | 0.00% |
| May 3, 2024 | 3M CO | $MMM | Reinseth Theresa E | Senior Vice President/CAO | A | Restricted Stock Units | 5621 | $0.00 | 5,621.0000 | 553,900,000 | 9999.99% | 0.00% |
| Feb. 5, 2024 | 3M CO | $MMM | Reinseth Theresa E | Senior Vice President/CAO | F | Common Stock | 171 | $0.00 | 2,960.3584 | 553,900,000 | 5.46% | 0.00% |
| Feb. 5, 2024 | 3M CO | $MMM | Reinseth Theresa E | Senior Vice President/CAO | A | Common Stock | 475 | $0.00 | 3,131.3584 | 553,900,000 | 17.88% | 0.00% |