David Bonczek

David Bonczek is a declared insider of Northern Tier Energy LP, with filings sourced from SEC (Form 4). The record holds 5 filings, for trades running from 21 February 2014 to 22 January 2015.

Both buying and selling appear: 1 purchase, against 3 sales worth €234k. The amount is not disclosed for 1 filing. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Besides market trades, the filings include 1 option exercise. Since January 2015: no purchases and 2 sales on the market.

The record was last updated on 23 January 2015 with an option exercise in Northern Tier Energy LP. The last purchase on record was published on 25 February 2014, which is 4,640 days ago. Typically, a trade is published a median of 2 days after it takes place. US insiders must file a Form 4 within two business days of a trade. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.