Marlene Mary Mcgrath
CIK 1546559 · View on SEC EDGAR ↗
First SEC filing: April 11, 2012 · Latest: April 11, 2012
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 18, 2017 | MMM | S | 1,100 | $194.84 | $214,324 | 22,907 Direct | -4.58% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 600 | $194.84 | $116,904 | 22,307 Direct | -2.62% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 200 | $194.84 | $38,968 | 22,107 Direct | -0.90% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 300 | $194.84 | $58,452 | 21,807 Direct | -1.36% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 400 | $194.85 | $77,940 | 21,407 Direct | -1.83% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 200 | $194.83 | $38,966 | 24,007 Direct | -0.83% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 300 | $194.82 | $58,446 | 24,207 Direct | -1.22% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 971 | $194.82 | $189,170 | 24,507 Direct | -3.81% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 200 | $194.80 | $38,960 | 25,478 Direct | -0.78% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 589 | $194.79 | $114,731 | 25,678 Direct | -2.24% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 1,417 | $194.96 | $276,258 | 20,907 Direct | -6.35% | Disposed | 10.6% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 700 | $194.94 | $136,458 | 22,324 Direct | -3.04% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 100 | $194.94 | $19,494 | 23,024 Direct | -0.43% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 1,300 | $194.93 | $253,409 | 23,124 Direct | -5.32% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 56 | $194.93 | $10,916 | 24,424 Direct | -0.23% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 500 | $194.86 | $97,430 | 20,907 Direct | -2.34% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 200 | $194.83 | $38,966 | 24,007 Direct | -0.83% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 300 | $194.82 | $58,446 | 24,207 Direct | -1.22% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 971 | $194.82 | $189,170 | 24,507 Direct | -3.81% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 200 | $194.80 | $38,960 | 25,478 Direct | -0.78% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 589 | $194.79 | $114,731 | 25,678 Direct | -2.24% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 1,417 | $194.96 | $276,258 | 20,907 Direct | -6.35% | Disposed | 10.6% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 700 | $194.94 | $136,458 | 22,324 Direct | -3.04% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 100 | $194.94 | $19,494 | 23,024 Direct | -0.43% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 1,300 | $194.93 | $253,409 | 23,124 Direct | -5.32% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 56 | $194.93 | $10,916 | 24,424 Direct | -0.23% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 500 | $194.86 | $97,430 | 20,907 Direct | -2.34% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 400 | $194.85 | $77,940 | 21,407 Direct | -1.83% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 300 | $194.84 | $58,452 | 21,807 Direct | -1.36% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 200 | $194.84 | $38,968 | 22,107 Direct | -0.90% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 600 | $194.84 | $116,904 | 22,307 Direct | -2.62% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 1,100 | $194.84 | $214,324 | 22,907 Direct | -4.58% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 200 | $194.83 | $38,966 | 24,007 Direct | -0.83% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 300 | $194.82 | $58,446 | 24,207 Direct | -1.22% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 971 | $194.82 | $189,170 | 24,507 Direct | -3.81% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 200 | $194.80 | $38,960 | 25,478 Direct | -0.78% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 589 | $194.79 | $114,731 | 25,678 Direct | -2.24% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 1,417 | $194.96 | $276,258 | 20,905 Direct | -6.35% | Disposed | 10.6% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 700 | $194.94 | $136,458 | 22,324 Direct | -3.04% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 100 | $194.94 | $19,494 | 23,024 Direct | -0.43% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 1,300 | $194.93 | $253,409 | 23,124 Direct | -5.32% | Disposed | 10.7% (price as of 2026-08-20) |
| May 18, 2017 | MMM | S | 56 | $194.93 | $10,916 | 24,424 Direct | -0.23% | Disposed | 10.7% (price as of 2026-08-20) |
| Nov. 5, 2015 | MMM | S | 4,100 | $159.28 | $653,048 | 10,198 Direct | -28.68% | Disposed | 35.4% (price as of 2026-08-20) |
| Nov. 5, 2015 | MMM | S | 1,335 | $159.25 | $212,599 | 10,198 Direct | -11.58% | Disposed | 35.5% (price as of 2026-08-20) |
| Nov. 5, 2015 | MMM | S | 700 | $159.23 | $111,461 | 10,198 Direct | -6.42% | Disposed | 35.5% (price as of 2026-08-20) |
| Nov. 5, 2015 | MMM | S | 100 | $159.22 | $15,922 | 10,898 Direct | -0.91% | Disposed | 35.5% (price as of 2026-08-20) |
| Nov. 5, 2015 | MMM | S | 131 | $159.21 | $20,857 | 10,998 Direct | -1.18% | Disposed | 35.5% (price as of 2026-08-20) |
| Nov. 5, 2015 | MMM | S | 100 | $159.21 | $15,921 | 11,129 Direct | -0.89% | Disposed | 35.5% (price as of 2026-08-20) |
| Nov. 5, 2015 | MMM | S | 100 | $159.21 | $15,921 | 11,229 Direct | -0.88% | Disposed | 35.5% (price as of 2026-08-20) |
| Nov. 5, 2015 | MMM | S | 2,560 | $159.23 | $407,629 | 10,198 Direct | -20.07% | Disposed | 35.5% (price as of 2026-08-20) |
| Oct. 28, 2014 | MMM | S | 400 | $150.86 | $60,344 | 6,826 Direct | -5.54% | Disposed | 43.0% (price as of 2026-08-20) |
| Oct. 28, 2014 | MMM | S | 1,336 | $150.84 | $201,522 | 7,226 Direct | -15.60% | Disposed | 43.0% (price as of 2026-08-20) |
| Oct. 28, 2014 | MMM | S | 500 | $150.84 | $75,420 | 8,562 Direct | -5.52% | Disposed | 43.0% (price as of 2026-08-20) |
Showing latest 100 of 114 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 1, 2018 | MMM | Restricted Stock Units | Common Stock (3,523) | — | — | 3,523 | Disposed |
| Feb. 6, 2018 | MMM | Non-qualified Stock Option (Right to Buy) | Common Stock (22,200) | $233.63 | Feb. 4, 2028 | 22,200 | Acquired |
| Feb. 6, 2018 | MMM | Non-qualified Stock Option (Right to Buy) [F3] | Common Stock (22,200) | $233.63 | Feb. 4, 2028 | 22,200 | Acquired |
| May 18, 2017 | MMM | Non-qualified Stock Option (Right to Buy) [F2] | Common Stock (5,360) | $87.89 | Feb. 7, 2022 | 5,360 | Disposed |
| May 18, 2017 | MMM | Non-qualified Stock Option (Right to Buy) [F1] | Common Stock (3,573) | $89.47 | Feb. 8, 2021 | 3,573 | Disposed |
| May 18, 2017 | MMM | Non-qualified Stock Option (Right to Buy) [F3] | Common Stock (5,360) | $87.89 | Feb. 7, 2022 | 5,360 | Disposed |
| May 18, 2017 | MMM | Non-qualified Stock Option (Right to Buy) [F2] | Common Stock (3,573) | $89.47 | Feb. 8, 2021 | 3,573 | Disposed |
| Feb. 7, 2017 | MMM | Non-qualified Stock Option (Right to Buy) | Common Stock (30,623) | $175.76 | Feb. 8, 2027 | 30,623 | Acquired |
| Feb. 7, 2017 | MMM | Non-qualified Stock Option (Right to Buy) [F3] | Common Stock (30,623) | $175.76 | Feb. 8, 2027 | 30,623 | Acquired |
| Feb. 7, 2017 | MMM | Non-qualified Stock Option (Right to Buy) | Common Stock (30,623) | $175.76 | Feb. 8, 2027 | 30,623 | Acquired |
| June 3, 2016 | MMM | Restricted Stock Units | Common Stock (3,522) | — | — | 3,522 | Disposed |
| Feb. 2, 2016 | MMM | Non-qualified Stock Option (Right to Buy) [F2] | Common Stock (37,755) | $147.87 | Feb. 2, 2026 | 37,755 | Acquired |
| Nov. 5, 2015 | MMM | Non-qualified Stock Option (Right to Buy) [F1] | Common Stock (4,100) | $78.72 | Feb. 7, 2020 | 4,100 | Disposed |
| Nov. 5, 2015 | MMM | Non-qualified Stock Option (Right to Buy) | Common Stock (1,335) | $54.11 | Feb. 8, 2019 | 1,335 | Disposed |
| Nov. 5, 2015 | MMM | Non-qualified Stock Option (Right to Buy) | Common Stock (1,131) | $77.18 | May 13, 2018 | 1,131 | Disposed |
| Nov. 5, 2015 | MMM | Non-qualified Stock Option (Right to Buy) | Common Stock (2,560) | $84.78 | May 8, 2017 | 2,560 | Disposed |
| Feb. 3, 2015 | MMM | Non-qualified Stock Option (Right to Buy) [F2] | Common Stock (40,323) | $165.94 | Feb. 3, 2025 | 40,323 | Acquired |
| Oct. 28, 2014 | MMM | Non-qualified Stock Option (Right to Buy) | Common Stock (0) | $87.35 | May 9, 2016 | 2,236 | Disposed |
| Feb. 4, 2014 | MMM | Non-qualified Stock Option (Right to Buy) [F2] | Common Stock (33,704) | $126.72 | Feb. 2, 2024 | 33,704 | Acquired |
| Oct. 30, 2013 | MMM | Non-qualified Stock Option (Right to Buy) | Common Stock (2,020) | $84.40 | May 9, 2014 | 2,020 | Disposed |
| June 3, 2013 | MMM | Restricted Stock Units | Common Stock (7,045) | — | — | 7,045 | Acquired |
| Feb. 8, 2013 | MMM | Restricted Stock Units | Common Stock (911) | — | — | 911 | Disposed |
| Feb. 5, 2013 | MMM | Non-qualified Stock Option (Right to Buy) [F3] | Common Stock (31,130) | $101.49 | Feb. 3, 2023 | 31,130 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 11, 2012 | MMM | Common Stock | 1,949 | Direct |
| April 11, 2012 | MMM | Restricted Stock Units→ Common Stock (911) | 911 | Direct |
| April 11, 2012 | MMM | Non-qualified Stock Option (Right to Buy)→ Common Stock (2,020) | 2,020 | Direct |
| April 11, 2012 | MMM | Non-qualified Stock Option (Right to Buy)→ Common Stock (2,236) | 2,236 | Direct |
| April 11, 2012 | MMM | Non-qualified Stock Option (Right to Buy)→ Common Stock (2,560) | 2,560 | Direct |
| April 11, 2012 | MMM | Non-qualified Stock Option (Right to Buy)→ Common Stock (1,131) | 1,131 | Direct |
| April 11, 2012 | MMM | Non-qualified Stock Option (Right to Buy)→ Common Stock (1,335) | 1,335 | Direct |
| April 11, 2012 | MMM | Non-qualified Stock Option (Right to Buy) [F3]→ Common Stock (4,100) | 4,100 | Direct |
| April 11, 2012 | MMM | Non-qualified Stock Option (Right to Buy) [F4]→ Common Stock (3,573) | 3,573 | Direct |
| April 11, 2012 | MMM | Non-qualified Stock Option (Right to Buy) [F5]→ Common Stock (5,360) | 5,360 | Direct |