Flex Pharma, Inc. (FLKS) has 37 open-market insider trades by 9 insiders since 2015. The most active filer is Christoph H. Westphal, 10% Owner.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Christoph H. Westphal | 10% Owner | — | 26 | $15.0M | 2018-10-16 |
| Longwood Fund II, L.P. | 10% Owner | — | 2 | $8.0M | 2018-10-16 |
| Boston Foundation, Inc. | 10% Owner | — | 3 | $758K | 2019-01-30 |
| Thomas Wessel | — | — | 1 | $159K | 2016-03-14 |
| Roderick MacKinnon | Dir | — | 1 | $70K | 2016-03-11 |
| John Sculley | Dir | — | 1 | $56K | 2016-03-21 |
| Marc D. Kozin | Dir | — | 1 | $51K | 2015-11-19 |
| Michelle Stacy | Dir | — | 1 | $25K | 2016-03-15 |
| John P. McCabe | Treasurer | — | 1 | $10K | 2016-11-07 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Boston Foundation, Inc. | 10% Owner | Sell | $528K | 2019-01-30 |
| Boston Foundation, Inc. | 10% Owner | Sell | $125K | 2019-01-09 |
| Boston Foundation, Inc. | 10% Owner | Sell | $105K | 2019-01-08 |
| Christoph H. Westphal | 10% Owner | Sell | $5.9M | 2018-10-16 |
| Longwood Fund II, L.P. | 10% | Sell | $3.0M | 2018-10-16 |
| Christoph H. Westphal | CEO & President | Buy | $51K |
Companies that share insiders with FLKS, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2016-11-08 |
| John P. McCabe | Treasurer | Buy | $10K | 2016-11-07 |
| Christoph H. Westphal | CEO & President | Buy | $51K | 2016-11-07 |
| Christoph H. Westphal | President & 10% | Buy | $30K | 2016-06-23 |
| Christoph H. Westphal | President & 10% | Buy | $63K | 2016-06-21 |
| Christoph H. Westphal | President & 10% | Buy | $67K | 2016-06-17 |
| Christoph H. Westphal | President & 10% | Buy | $65K | 2016-06-15 |
| Christoph H. Westphal | President & 10% | Buy | $68K | 2016-06-13 |
| Christoph H. Westphal | President & 10% | Buy | $72K | 2016-06-09 |
| Christoph H. Westphal | President & 10% | Buy | $72K | 2016-06-07 |