John B. Ziegler serves as Executive at QUEST DIAGNOSTICS INC, where they oversee executive responsibilities. Since joining the company, John B. Ziegler has executed 67 insider transactions totaling $9.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 22, 2017 involved selling 2,000 shares valued at $191.0K.
John B. Ziegler currently holds 16,557 shares of QUEST DIAGNOSTICS INC (DGX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John B. Ziegler has been a net seller of DGX stock. They have purchased $0 and sold $9.4M worth of shares.
John B. Ziegler's most recent insider trade was on Feb 22, 2017, when they sold 2,000 shares at $95.51 per share.
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| $84.36 |
| Discretionary |
| May 17, 2016 | DGX | $0 | Award | 2,196 | $N/A | Discretionary |
| Jan 4, 2016 | DGX | $24.1K | Award | 337 | $71.38 | Discretionary |
| Aug 6, 2015 | DGX | $163.6K | Sale | 2,200 | $74.35 | Discretionary |
| May 15, 2015 | DGX | $0 | Award | 2,340 | $N/A | Discretionary |
| Feb 3, 2015 | DGX | $575.0K | Sale | 8,000 | $71.88 | Discretionary |
| Feb 3, 2015 | DGX | $412.4K | Option Exercise | 8,000 | $51.55 | Discretionary |
| Jul 25, 2014 | DGX | $115.4K | Sale | 1,865 | $61.90 | Discretionary |
| Jul 25, 2014 | DGX | $93.1K | Option Exercise | 1,865 | $49.94 | Discretionary |
| Jul 24, 2014 | DGX | $306.4K | Option Exercise | 6,135 | $49.94 | Discretionary |
| Jul 24, 2014 | DGX | $379.8K | Sale | 6,135 | $61.90 | Discretionary |
| May 22, 2014 | DGX | $113.9K | Sale | 1,975 | $57.65 | Discretionary |
| May 22, 2014 | DGX | $57.5K | Sale | 998 | $57.66 | Discretionary |
| May 22, 2014 | DGX | $47.8K | Option Exercise | 998 | $47.94 | Discretionary |
| May 21, 2014 | DGX | $0 | Award | 2,924 | $N/A | Discretionary |
| Aug 12, 2013 | DGX | $116.1K | Sale | 1,953 | $59.45 | Discretionary |
| May 22, 2013 | DGX | $852.6K | Option Exercise | 20,000 | $42.63 | Discretionary |
| May 22, 2013 | DGX | $490.4K | Option Exercise | 10,000 | $49.04 | Discretionary |
| May 22, 2013 | DGX | $31.5K | Option Exercise | 742 | $42.42 | Discretionary |
| May 22, 2013 | DGX | $1.9M | Sale | 31,362 | $62.00 | Discretionary |
| May 22, 2013 | DGX | $27.4K | Option Exercise | 620 | $44.19 | Discretionary |
| May 21, 2013 | DGX | $0 | Award | 1,975 | $N/A | Discretionary |
| Apr 11, 2013 | DGX | $24.5K | Option Exercise | 592 | $41.32 | Discretionary |
| Apr 11, 2013 | DGX | $85.8K | Sale | 1,470 | $58.35 | Discretionary |
| Apr 11, 2013 | DGX | $32.1K | Option Exercise | 878 | $36.60 | Discretionary |
| Feb 20, 2013 | DGX | $114.8K | Sale | 2,000 | $57.42 | Discretionary |
| Sep 6, 2012 | DGX | $623.2K | Sale | 10,000 | $62.32 | Discretionary |
| Sep 6, 2012 | DGX | $554.0K | Option Exercise | 10,000 | $55.40 | Discretionary |
| Aug 3, 2012 | DGX | $165.9K | Sale | 2,800 | $59.26 | Discretionary |