| Exec date | Filing date | Company | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Apr 30, 2019 | May 20, 2019 | QUAKER CHEMICAL CORP | Director | Sell | 22.5 | -524 | -9.80% | ✗ | $50.4K |
| Aug 29, 2018 | Aug 30, 2018 | QUAKER CHEMICAL CORP | Director | Sell | 22.5 | -521 | -8.88% | ✗ | $92.3K |
| Aug 9, 2018 | Aug 10, 2018 | QUAKER CHEMICAL CORP | Director | Sell | 22.5 | -599 | -9.27% | ✗ | $101.8K |
| Mar 20, 2018 | May 18, 2018 | QUAKER CHEMICAL CORP | Director | Sell | 22.5 | -1,635 | -21.71% | ✗ | $199.4K |
| Nov 20, 2017 | Nov 28, 2017 | QUAKER CHEMICAL CORP | Director | Sell | 26.3 | -300 | -3.83% | ✗ | $47.9K |
| Nov 16, 2017 | Nov 20, 2017 | Rubicon Technology, Inc. | Director | Sell | 17.5 | -221,784 | -94.10% | ✗ | $1.8M |
| Aug 2, 2017 | Aug 4, 2017 | QUAKER CHEMICAL CORP | Director | Sell | 20.0 | -1,800 | -18.69% | ✗ | $251.2K |
| May 26, 2017 | May 31, 2017 | QUAKER CHEMICAL CORP | Director | Sell | 22.5 | -1,000 | -9.79% | ✗ | $138.6K |
| Nov 24, 2015 | Nov 24, 2015 | QUAKER CHEMICAL CORP | Director | Sell | 26.3 | -500 | -4.52% | ✗ | $41.4K |
| Aug 13, 2015 | Aug 17, 2015 | QUAKER CHEMICAL CORP | Director | Sell | 26.3 | -689 | -5.87% | ✗ | $31.1K |
| May 29, 2015 | Jun 2, 2015 | QUAKER CHEMICAL CORP | Director | Sell | 22.5 | -326 | -2.70% | ✗ | $51.1K |
| Nov 24, 2014 | Nov 25, 2014 | QUAKER CHEMICAL CORP | Director | Sell | 22.5 | -1,230 | -9.25% | ✗ | $101K |
| Aug 12, 2014 | Aug 14, 2014 | QUAKER CHEMICAL CORP | Director | Sell | 22.5 | -2,330 | -14.91% | ✗ | $171.5K |
| Mar 24, 2014 | Mar 25, 2014 | Rubicon Technology, Inc. | Director | Sell | 15.0 | -2,500,000 | -52.69% | ✗ | $31.1M |
| Apr 25, 2013 | Apr 29, 2013 | Rubicon Technology, Inc. | Director | Sell | 27.5 | -286,891 | -5.71% | ✓ | $2.1M |
| Mar 22, 2013 | Mar 26, 2013 | Rubicon Technology, Inc. | Director | Sell | 27.5 | -381,681 | -7.06% | ✓ | $2.4M |
| Jun 21, 2010 | Jun 23, 2010 | Rubicon Technology, Inc. | Director | Sell | 15.0 | -500,000 | -8.48% | ✗ | $14.2M |
| Jun 6, 2008 | Jun 10, 2008 | Rubicon Technology, Inc. | Director | Sell | 17.5 | -65,650 | -1.10% | ✗ | $1.5M |
| May 12, 2008 | May 14, 2008 | Rubicon Technology, Inc. | Director | Sell | 15.0 | -2,053,852 | -25.63% | ✗ | $46.8M |