Margaret G. Mcglynn serves as Executive at MERCK & CO INC, where they oversee executive responsibilities. Since joining the company, Margaret G. Mcglynn has executed 96 insider transactions totaling $22.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on May 16, 2018 involved selling 10,000 shares valued at $160.0K.
Margaret G. Mcglynn currently holds 10,470 shares of MERCK & CO INC ((MRK)), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Margaret G. Mcglynn has been a net seller of (MRK) stock. They have purchased $151.1K and sold $22.0M worth of shares.
Margaret G. Mcglynn's most recent insider trade was on May 16, 2018, when they sold 10,000 shares at $16.00 per share.
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| $170.00 |
| Discretionary |
| Mar 2, 2018 | VRTX | $815.4K | Option Exercise | 10,000 | $81.54 | Discretionary |
| Jan 23, 2018 | VRTX | $1.6M | Sale | 10,000 | $165.00 | Discretionary |
| Jan 23, 2018 | VRTX | $595.5K | Option Exercise | 10,000 | $59.55 | Discretionary |
| Jan 22, 2018 | VRTX | $1.6M | Sale | 10,000 | $160.00 | Discretionary |
| Jan 22, 2018 | VRTX | $595.5K | Option Exercise | 10,000 | $59.55 | Discretionary |
| Jun 13, 2017 | FOLD | $0 | Award | 5,814 | $N/A | Discretionary |
| Jun 13, 2017 | FOLD | $0 | Award | 5,814 | $N/A | Discretionary |
| Jun 1, 2017 | VRTX | $0 | Award | 2,188 | $N/A | Discretionary |
| Jun 1, 2016 | VRTX | $0 | Award | 2,941 | $N/A | Discretionary |
| Nov 18, 2015 | VRTX | $1.6M | Sale | 12,500 | $130.15 | Discretionary |
| Nov 18, 2015 | VRTX | $715.9K | Option Exercise | 12,500 | $57.27 | Discretionary |
| Nov 10, 2015 | FOLD | $102.7K | Purchase | 10,000 | $10.27 | Discretionary |
| Aug 3, 2015 | VRTX | $13.9K | Sale | 100 | $138.98 | Discretionary |
| Aug 3, 2015 | VRTX | $373.2K | Sale | 2,700 | $138.22 | Discretionary |
| Aug 3, 2015 | VRTX | $892.2K | Sale | 6,500 | $137.26 | Discretionary |
| Aug 3, 2015 | VRTX | $436.8K | Sale | 3,200 | $136.49 | Discretionary |
| Aug 3, 2015 | VRTX | $715.9K | Option Exercise | 12,500 | $57.27 | Discretionary |
| Jun 1, 2015 | VRTX | $1.2M | Sale | 9,020 | $127.53 | Discretionary |
| Jun 1, 2015 | VRTX | $441.2K | Sale | 3,480 | $126.78 | Discretionary |
| Jun 1, 2015 | VRTX | $403.9K | Option Exercise | 7,500 | $53.85 | Discretionary |
| Jun 1, 2015 | VRTX | $286.4K | Option Exercise | 5,000 | $57.27 | Discretionary |
| Apr 6, 2015 | VRTX | $47.9K | Sale | 400 | $119.78 | Discretionary |
| Apr 6, 2015 | VRTX | $464.0K | Sale | 3,900 | $118.97 | Discretionary |
| Apr 6, 2015 | VRTX | $709.9K | Sale | 6,000 | $118.32 | Discretionary |
| Apr 6, 2015 | VRTX | $257.7K | Sale | 2,200 | $117.14 | Discretionary |
| Apr 6, 2015 | VRTX | $673.1K | Option Exercise | 12,500 | $53.85 | Discretionary |
| Nov 7, 2012 | VRTX | $45.5K | Purchase | 1,000 | $45.50 | Discretionary |
| Aug 10, 2012 | VRTX | $768 | Purchase | 15 | $51.23 | Discretionary |