Insider · CIK 0001291961
Christoph H Westphal
Files at: DCOY, VSTM. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 6, 2018 GForm 5 → | Dec 21, 5:03 pm EST | Flex Pharma, Inc.FLKS | 3,058,300 | — | — | 844,627 | — | plan? |
| Oct 16, 2018 SForm 4 → | Oct 18, 5:02 pm EDT | Flex Pharma, Inc.FLKS | 3,212,861 | $0.9154 | $2,941,053 | 0 | −100% | plan? |
| Nov 8, 2016 PForm 4 → | Nov 8, 4:23 pm EST | Flex Pharma, Inc.FLKS | 7,000 | $7.31 | $51,170 | 3,941,118 | +0.18% | plan? |
| Nov 7, 2016 PForm 4 → | Nov 7, 4:43 pm EST | Flex Pharma, Inc.FLKS | 8,870 | $5.70 | $50,559 | 3,934,118 | +0.23% | plan? |
| Jun 23, 2016 PForm 4 → | Jun 24, 9:03 am EDT | Flex Pharma, Inc.FLKS | 2,700 | $11.28 | $30,456 | 3,212,861 | +0.08% | plan? |
| Jun 21, 2016 PForm 4 → | Jun 22, 5:40 pm EDT | Flex Pharma, Inc.FLKS | 5,700 | $11.05 | $62,983 | 3,210,161 | +0.18% | plan? |
| Jun 17, 2016 PForm 4 → | Jun 21, 10:04 am EDT | Flex Pharma, Inc.FLKS | 6,000 | $11.18 | $67,050 | 3,204,461 | +0.19% | plan? |
| Jun 15, 2016 PForm 4 → | Jun 17, 3:22 pm EDT | Flex Pharma, Inc.FLKS | 5,800 | $11.17 | $64,786 | 3,198,461 | +0.18% | plan? |
| Jun 13, 2016 PForm 4 → | Jun 15, 10:03 am EDT | Flex Pharma, Inc.FLKS | 5,900 | $11.54 | $68,080 | 3,192,661 | +0.19% | plan? |
| Jun 9, 2016 PForm 4 → | Jun 13, 9:30 am EDT | Flex Pharma, Inc.FLKS | 6,000 | $11.94 | $71,610 | 3,186,761 | +0.19% | plan? |
| Jun 7, 2016 PForm 4 → | Jun 9, 12:29 pm EDT | Flex Pharma, Inc.FLKS | 5,900 | $12.25 | $72,276 | 3,180,761 | +0.19% | plan? |
| Jun 3, 2016 PForm 4 → | Jun 7, 10:05 am EDT | Flex Pharma, Inc.FLKS | 6,000 | $12.56 | $75,360 | 3,174,861 | +0.19% | plan? |
| Jun 1, 2016 PForm 4 → | Jun 2, 5:54 pm EDT | Flex Pharma, Inc.FLKS | 10,000 | $12.99 | $129,900 | 3,168,861 | +0.32% | plan? |
| May 27, 2016 PForm 4 → | Jun 1, 10:19 am EDT | Flex Pharma, Inc.FLKS | 22,300 | $12.68 | $282,664 | 3,158,861 | +0.71% | plan? |
| May 25, 2016 PForm 4 → | May 27, 12:42 pm EDT | Flex Pharma, Inc.FLKS | 28,600 | $12.84 | $367,214 | 3,136,561 | +0.92% | plan? |
| May 23, 2016 PForm 4 → | May 24, 5:20 pm EDT | Flex Pharma, Inc.FLKS | 30,334 | $12.42 | $376,635 | 3,107,961 | +0.99% | plan? |
| May 19, 2016 PForm 4 → | May 23, 11:42 am EDT | Flex Pharma, Inc.FLKS | 7,914 | $11.06 | $87,494 | 3,077,627 | +0.26% | plan? |
| May 17, 2016 PForm 4 → | May 19, 8:44 am EDT | Flex Pharma, Inc.FLKS | 33,400 | $11.10 | $370,708 | 3,069,713 | +1.10% | plan? |
| May 13, 2016 PForm 4 → | May 17, 10:55 am EDT | Flex Pharma, Inc.FLKS | 15,469 | $10.25 | $158,624 | 3,036,313 | +0.51% | plan? |
| May 11, 2016 PForm 4 → | May 13, 10:00 am EDT | Flex Pharma, Inc.FLKS | 30,217 | $10.12 | $305,864 | 3,020,844 | +1.01% | plan? |
| May 9, 2016 PForm 4 → | May 11, 10:15 am EDT | Flex Pharma, Inc.FLKS | 30,109 | $9.94 | $299,344 | 2,990,627 | +1.02% | plan? |
| Mar 23, 2016 PForm 4 → | Mar 25, 2:34 pm EDT | Flex Pharma, Inc.FLKS | 49,563 | $11.06 | $548,246 | 2,960,518 | +1.70% | plan? |
| Mar 22, 2016 PForm 4/A → | Mar 25, 2:30 pm EDT | Flex Pharma, Inc.FLKS | 23,951 | $11.78 | $282,143 | 2,910,955 | +0.83% | plan? |
| Mar 21, 2016 PForm 4 → | Mar 23, 9:05 am EDT | Flex Pharma, Inc.FLKS | 48,058 | $11.74 | $564,195 | 2,910,955 | +1.68% | plan? |
| Mar 17, 2016 PForm 4 → | Mar 21, 11:00 am EDT | Flex Pharma, Inc.FLKS | 37,574 | $11.00 | $413,272 | 2,862,897 | +1.33% | plan? |
| Mar 15, 2016 PForm 4 → | Mar 17, 5:18 pm EDT | Flex Pharma, Inc.FLKS | 38,379 | $10.23 | $392,751 | 2,825,323 | +1.38% | plan? |
| Mar 11, 2016 PForm 4 → | Mar 15, 4:46 pm EDT | Flex Pharma, Inc.FLKS | 89,680 | $7.00 | $627,760 | 2,786,944 | +3.32% | plan? |
| Dec 14, 2015 PForm 4 → | Dec 15, 1:36 pm EST | Flex Pharma, Inc.FLKS | 927 | $12.01 | $11,130 | 3,925,248 | +0.02% | plan? |
| Dec 7, 2015 PForm 4 → | Dec 7, 5:19 pm EST | Flex Pharma, Inc.FLKS | 907 | $12.02 | $10,899 | 3,924,321 | +0.02% | plan? |
| Nov 30, 2015 PForm 4 → | Dec 1, 12:17 pm EST | Flex Pharma, Inc.FLKS | 887 | $12.32 | $10,929 | 3,923,414 | +0.02% | plan? |
| Nov 23, 2015 PForm 4 → | Nov 23, 4:44 pm EST | Flex Pharma, Inc.FLKS | 971 | $11.39 | $11,064 | 3,922,527 | +0.02% | plan? |
| Nov 16, 2015 PForm 4 → | Nov 16, 5:04 pm EST | Flex Pharma, Inc.FLKS | 1,001 | $10.78 | $10,791 | 3,921,556 | +0.03% | plan? |
| Nov 9, 2015 PForm 4 → | Nov 9, 2:14 pm EST | Flex Pharma, Inc.FLKS | 1,000 | $11.03 | $11,032 | 3,920,555 | +0.03% | plan? |
| Nov 2, 2015 PForm 4 → | Nov 4, 7:09 am EST | Flex Pharma, Inc.FLKS | 967 | $11.59 | $11,204 | 3,919,555 | +0.02% | plan? |
| Oct 26, 2015 PForm 4 → | Oct 28, 8:07 am EDT | Flex Pharma, Inc.FLKS | 1,043 | $10.55 | $11,003 | 3,918,588 | +0.03% | plan? |
| Oct 19, 2015 PForm 4 → | Oct 20, 12:31 pm EDT | Flex Pharma, Inc.FLKS | 1,018 | $10.61 | $10,797 | 3,917,545 | +0.03% | plan? |
| Oct 12, 2015 PForm 4 → | Oct 13, 9:04 am EDT | Flex Pharma, Inc.FLKS | 924 | $11.98 | $11,072 | 3,916,527 | +0.02% | plan? |
| Oct 5, 2015 PForm 4 → | Oct 6, 2:55 pm EDT | Flex Pharma, Inc.FLKS | 868 | $12.48 | $10,833 | 3,915,603 | +0.02% | plan? |
| Sep 28, 2015 PForm 4 → | Sep 30, 8:10 am EDT | Flex Pharma, Inc.FLKS | 924 | $11.18 | $10,335 | 3,914,735 | +0.02% | plan? |
| Sep 21, 2015 PForm 4 → | Sep 22, 9:58 am EDT | Flex Pharma, Inc.FLKS | 733 | $16.04 | $11,757 | 3,913,811 | +0.02% | plan? |
| Sep 14, 2015 PForm 4 → | Sep 16, 2:25 pm EDT | Flex Pharma, Inc.FLKS | 750 | $14.34 | $10,759 | 3,913,078 | +0.02% | plan? |
| Aug 31, 2015 PForm 4 → | Sep 1, 5:20 pm EDT | Flex Pharma, Inc.FLKS | 887 | $12.50 | $11,083 | 3,912,328 | +0.02% | plan? |
| Aug 24, 2015 PForm 4 → | Aug 26, 9:18 am EDT | Flex Pharma, Inc.FLKS | 844 | $13.36 | $11,277 | 3,911,441 | +0.02% | plan? |
| Aug 17, 2015 PForm 4 → | Aug 19, 10:00 am EDT | Flex Pharma, Inc.FLKS | 774 | $14.19 | $10,985 | 3,910,597 | +0.02% | plan? |
| Aug 10, 2015 PForm 4 → | Aug 11, 9:54 am EDT | Flex Pharma, Inc.FLKS | 762 | $14.71 | $11,211 | 3,909,823 | +0.02% | plan? |
| Aug 3, 2015 PForm 4 → | Aug 4, 12:44 pm EDT | Flex Pharma, Inc.FLKS | 706 | $16.11 | $11,372 | 3,909,061 | +0.02% | plan? |
| Jul 27, 2015 PForm 4 → | Jul 27, 1:35 pm EDT | Flex Pharma, Inc.FLKS | 691 | $16.08 | $11,111 | 3,908,355 | +0.02% | plan? |
| Jul 20, 2015 PForm 4 → | Jul 21, 9:18 am EDT | Flex Pharma, Inc.FLKS | 337 | $16.45 | $5,543 | 3,907,664 | +0.01% | plan? |
| Jul 13, 2015 PForm 4 → | Jul 14, 9:00 am EDT | Flex Pharma, Inc.FLKS | 324 | $17.41 | $5,640 | 3,907,327 | +0.01% | plan? |
| Jul 6, 2015 PForm 4 → | Jul 8, 8:38 am EDT | Flex Pharma, Inc.FLKS | 342 | $16.20 | $5,540 | 3,907,003 | +0.01% | plan? |
| Jun 30, 2015 FForm 4 → | Jul 1, 9:15 am EDT | Verastem, Inc.VSTM | 2,648 | $6.86 | $18,165 | 665,224 | — | plan? |
| Jun 29, 2015 PForm 4 → | Jul 1, 3:25 pm EDT | Flex Pharma, Inc.FLKS | 286 | $20.21 | $5,781 | 3,906,661 | +0.01% | plan? |
| Jun 22, 2015 PForm 4 → | Jun 23, 8:38 am EDT | Flex Pharma, Inc.FLKS | 278 | $19.76 | $5,495 | 3,906,375 | +0.01% | plan? |
| Jun 15, 2015 PForm 4 → | Jun 16, 4:22 pm EDT | Flex Pharma, Inc.FLKS | 284 | $19.37 | $5,502 | 3,906,097 | +0.01% | plan? |
| Jun 8, 2015 PForm 4 → | Jun 10, 9:23 am EDT | Flex Pharma, Inc.FLKS | 311 | $17.88 | $5,560 | 3,905,813 | +0.01% | plan? |
| Jun 1, 2015 PForm 4 → | Jun 3, 12:53 pm EDT | Flex Pharma, Inc.FLKS | 303 | $18.15 | $5,501 | 3,905,502 | +0.01% | plan? |
| May 18, 2015 PForm 4 → | May 20, 11:07 am EDT | Flex Pharma, Inc.FLKS | 323 | $17.04 | $5,504 | 3,905,199 | +0.01% | plan? |
| May 11, 2015 PForm 4 → | May 13, 9:16 am EDT | Flex Pharma, Inc.FLKS | 313 | $18.19 | $5,693 | 3,904,876 | +0.01% | plan? |
| May 4, 2015 PForm 4 → | May 6, 9:57 am EDT | Flex Pharma, Inc.FLKS | 310 | $18.17 | $5,633 | 3,904,563 | +0.01% | plan? |
| Apr 27, 2015 PForm 4 → | Apr 29, 8:53 am EDT | Flex Pharma, Inc.FLKS | 244 | $22.15 | $5,406 | 3,904,253 | +0.01% | plan? |
| Apr 20, 2015 PForm 4 → | Apr 21, 8:40 am EDT | Flex Pharma, Inc.FLKS | 266 | $20.91 | $5,563 | 3,904,009 | +0.01% | plan? |
| Apr 13, 2015 PForm 4 → | Apr 15, 9:59 am EDT | Flex Pharma, Inc.FLKS | 282 | $19.64 | $5,538 | 3,903,743 | +0.01% | plan? |
| Apr 6, 2015 PForm 4 → | Apr 7, 8:48 am EDT | Flex Pharma, Inc.FLKS | 262 | $21.18 | $5,548 | 3,903,461 | +0.01% | plan? |
| Mar 31, 2015 FForm 4 → | Apr 2, 10:55 am EDT | Verastem, Inc.VSTM | 2,817 | $10.49 | $29,550 | 674,328 | — | plan? |
| Mar 30, 2015 PForm 4 → | Apr 1, 5:18 pm EDT | Flex Pharma, Inc.FLKS | 272 | $20.52 | $5,581 | 3,903,199 | +0.01% | plan? |
| Feb 3, 2015 CForm 4 → | Feb 5, 4:32 pm EST | Flex Pharma, Inc.FLKS | 2,384,764 | — | — | 2,384,764 | — | plan? |
| Jan 28, 2015 PForm 4 → | Jan 28, 2:16 pm EST | Verastem, Inc.VSTM | 1,230,769 | $6.50 | $7,999,999 | 1,230,769 | — | plan? |
| Jan 8, 2015 AFForm 4 → | Jan 12, 9:34 am EST | Verastem, Inc.VSTM | 17,432 | $9.19 | $53,394 | 683,601 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jul 26, 2017 AForm 4 → | Jul 27, 8:54 am EDT | Flex Pharma, Inc.FLKS | 12,000 | — | — | 12,000 | — | |
| Jan 21, 2016 AForm 4 → | Jan 25, 11:52 am EST | Flex Pharma, Inc.FLKS | 164,000 | — | — | 164,000 | — | |
| Feb 3, 2015 CForm 4 → | Feb 5, 4:32 pm EST | Flex Pharma, Inc.FLKS | 10,212,756 | — | — | 0 | — |