| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Officer, Director | $46.94 | 9,400 | $441,236.00 | 30,600 | 2018-09-06 | Filing |
| Large Shareholder, Officer, Director | $47.30 | 10,000 | $473,000.00 | 40,000 | 2018-09-05 | Filing |
| Large Shareholder | $47.47 | 600 | $28,482.00 | 30,000 | 2018-09-06 | Filing |
| Large Shareholder | $46.94 | 9,400 | $441,236.00 | 30,600 | 2018-09-06 | Filing |
| Large Shareholder | $47.30 | 10,000 | $473,000.00 | 40,000 | 2018-09-05 | Filing |
| Large Shareholder, Officer, Director | $49.84 | 10,000 | $498,400.00 | 30,000 | 2018-08-23 | Filing |
| Large Shareholder, Officer, Director | $49.92 | 10,000 | $499,200.00 | 40,000 | 2018-08-22 | Filing |
| Large Shareholder, Officer, Director | $50.35 | 10,000 | $503,500.00 | 50,000 | 2018-08-21 | Filing |
| Large Shareholder | $49.84 | 10,000 | $498,400.00 | 30,000 | 2018-08-23 | Filing |
| Large Shareholder | $49.92 | 10,000 | $499,200.00 | 40,000 | 2018-08-22 | Filing |
| Large Shareholder | $50.35 | 10,000 | $503,500.00 | 50,000 | 2018-08-21 | Filing |
| Large Shareholder, Officer, Director | $49.33 | 10,000 | $493,300.00 | 30,000 | 2018-08-15 | Filing |
| Large Shareholder, Officer, Director | $49.90 | 10,000 | $499,000.00 | 40,000 | 2018-08-14 | Filing |
| Large Shareholder, Officer, Director | $50.03 | 10,000 | $500,300.00 | 50,000 | 2018-08-13 | Filing |
| Large Shareholder | $49.33 | 10,000 | $493,300.00 | 30,000 | 2018-08-15 | Filing |
| Large Shareholder | $49.90 | 10,000 | $499,000.00 | 40,000 | 2018-08-14 | Filing |
| Large Shareholder | $50.03 | 10,000 | $500,300.00 | 50,000 | 2018-08-13 | Filing |
| Large Shareholder, Officer, Director | $49.82 | 10,000 | $498,200.00 | 0 | 2018-08-08 | Filing |
| Large Shareholder, Officer, Director | $50.60 | 500 | $25,300.00 | 10,000 | 2018-08-07 | Filing |
| Large Shareholder, Officer, Director | $50.09 | 9,500 | $475,855.00 | 10,500 | 2018-08-07 | Filing |