Insider · CIK 0001005561
Peter J Barris
Files at: MRSN, GNCA, GRPN, TSRO, NITE, AVEO, RARX, TPST and 37 more. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Feb 14, 2019 PForm 4 → | Feb 19, 5:00 pm EST | GENOCEA BIOSCIENCES, INC.GNCA | 9,948,269 | $0.4713 | $4,688,619 | 34,948,269 | +39.8% | plan? |
| Jan 22, 2019 UForm 4 → | Jan 22, 10:07 am EST | TESARO, Inc.TSRO | 10,422,089 | $75.00 | $781,656,675 | 0 | — | plan? |
| Dec 20, 2018 PForm 4 → | Dec 21, 9:16 pm EST | AVEO PHARMACEUTICALS INCAVEO | 500,000 | $1.55 | $774,440 | 20,896,038 | +2.45% | plan? |
| Dec 11, 2018 PForm 4 → | Dec 12, 4:41 pm EST | AVEO PHARMACEUTICALS INCAVEO | 61,200 | $1.98 | $121,084 | 20,396,038 | +0.30% | plan? |
| Dec 6, 2018 PForm 4 → | Dec 10, 5:19 pm EST | AVEO PHARMACEUTICALS INCAVEO | 170,400 | $1.99 | $338,352 | 20,334,838 | +0.85% | plan? |
| Nov 28, 2018 PForm 4 → | Nov 30, 5:10 pm EST | AVEO PHARMACEUTICALS INCAVEO | 96,400 | $1.98 | $190,891 | 20,164,438 | +0.48% | plan? |
| Nov 20, 2018 PForm 4 → | Nov 21, 4:44 pm EST | AVEO PHARMACEUTICALS INCAVEO | 170,000 | $1.98 | $336,107 | 20,068,038 | +0.85% | plan? |
| Nov 15, 2018 PForm 4 → | Nov 19, 7:40 pm EST | AVEO PHARMACEUTICALS INCAVEO | 1,200,000 | $1.86 | $2,237,971 | 19,898,038 | +6.42% | plan? |
| Oct 10, 2018 CForm 4 → | Oct 10, 6:30 pm EDT | Elastic N.V.ESTC | 5,684,112 | — | — | 1,528,117 | — | plan? |
| Sep 7, 2018 PForm 4 → | Sep 10, 4:46 pm EDT | Adaptimmune Therapeutics PLCADAP | 15,000,000 | $1.67 | $25,000,500 | 12,000,000 | — | plan? |
| Aug 21, 2018 PForm 4 → | Aug 22, 4:42 pm EDT | AVEO PHARMACEUTICALS INCAVEO | 663,716 | $2.26 | $1,499,998 | 18,698,038 | +3.68% | plan? |
| Jul 30, 2018 PForm 4 → | Aug 1, 7:21 pm EDT | Liquidia Technologies IncLQDA | 545,455 | $11.00 | $6,000,005 | 2,484,870 | +28.1% | plan? |
| Jul 30, 2018 CForm 4 → | Aug 1, 7:21 pm EDT | Liquidia Technologies IncLQDA | 1,928,295 | — | — | 1,939,415 | — | plan? |
| Jul 18, 2018 PForm 4 → | Jul 20, 4:41 pm EDT | AVEO PHARMACEUTICALS INCAVEO | 250,600 | $1.96 | $491,745 | 18,034,322 | +1.41% | plan? |
| Jun 27, 2018 PForm 4 → | Jun 28, 7:10 pm EDT | AVEO PHARMACEUTICALS INCAVEO | 192,425 | $2.10 | $404,077 | 17,783,722 | +1.09% | plan? |
| Jun 14, 2018 AForm 4 → | Jun 18, 6:09 pm EDT | Groupon, Inc.GRPN | 40,779 | — | — | 209,666 | — | plan? |
| May 30, 2018 PForm 4 → | May 30, 5:09 pm EDT | AVEO PHARMACEUTICALS INCAVEO | 275 | $2.15 | $591 | 17,591,297 | +0.00% | plan? |
| May 25, 2018 AForm 4 → | May 30, 5:02 pm EDT | ARDELYX, INC.ARDX | 1,250,000 | $4.00 | $5,000,000 | 3,082,186 | — | plan? |
| May 17, 2018 PForm 4 → | May 21, 5:24 pm EDT | AVEO PHARMACEUTICALS INCAVEO | 236,479 | $2.13 | $503,423 | 17,591,022 | +1.36% | plan? |
| May 10, 2018 SForm 4 → | May 11, 5:01 pm EDT | GLYCOMIMETICS INCGLYC | 9,539 | $17.81 | $169,890 | 4,995,664 | −0.19% | plan? |
| May 10, 2018 XForm 4 → | May 11, 5:01 pm EDT | GLYCOMIMETICS INCGLYC | 514,452 | $0.33 | $169,769 | 5,001,197 | — | plan? |
| May 8, 2018 PForm 4 → | May 10, 5:00 pm EDT | AVEO PHARMACEUTICALS INCAVEO | 70,873 | $2.13 | $151,250 | 17,354,543 | +0.41% | plan? |
| May 1, 2018 CUForm 4 → | May 9, 12:23 pm EDT | MULESOFT, INCMULE | 32,231,774 | — | — | 0 | — | plan? late |
| Apr 23, 2018 PForm 4 → | Apr 23, 4:45 pm EDT | Surface Oncology, Inc.SURF | 133,333 | $15.00 | $1,999,995 | 3,312,877 | +4.19% | plan? |
| Apr 23, 2018 CForm 4 → | Apr 23, 4:45 pm EDT | Surface Oncology, Inc.SURF | 3,179,544 | — | — | 3,179,544 | — | plan? |
| Apr 6, 2018 PForm 4 → | Apr 10, 5:29 pm EDT | AVEO PHARMACEUTICALS INCAVEO | 920,976 | $2.30 | $2,115,036 | 17,283,670 | +5.63% | plan? |
| Mar 27, 2018 PForm 4 → | Mar 27, 4:51 pm EDT | Tracon Pharmaceuticals, Inc.TCON | 707,964 | $2.70 | $1,911,503 | 3,466,003 | +25.7% | plan? |
| Mar 26, 2018 PForm 4 → | Mar 28, 5:11 pm EDT | Adaptimmune Therapeutics PLCADAP | 6,571,164 | $1.92 | $12,587,753 | 79,978,672 | +8.95% | plan? |
| Mar 21, 2018 PForm 4 → | Mar 23, 6:30 pm EDT | Adaptimmune Therapeutics PLCADAP | 1,268,508 | $1.91 | $2,417,847 | 73,407,508 | +1.76% | plan? |
| Mar 9, 2018 UForm 4 → | Mar 13, 6:06 pm EDT | Cascadian Therapeutics, Inc.CASC | 10,882,574 | — | — | 0 | — | plan? |
| Mar 2, 2018 PForm 4 → | Mar 6, 9:10 pm EST | TESARO, Inc.TSRO | 145,532 | $57.40 | $8,354,184 | 739,516 | +24.5% | plan? |
| Feb 26, 2018 SForm 4 → | Feb 27, 4:35 pm EST | ARCA biopharma, Inc.ABIO | 1,460,209 | $0.5008 | $731,273 | 0 | −100% | plan? |
| Feb 20, 2018 CForm 4 → | Feb 22, 4:42 pm EST | Cascadian Therapeutics, Inc.CASC | 1,818,000 | $3.30 | $5,999,400 | 10,882,574 | — | plan? |
| Feb 13, 2018 CJForm 4 → | Feb 15, 4:27 pm EST | APPIAN CORPAPPN | 5,531,297 | — | — | 1,167 | — | plan? |
| Jan 26, 2018 AForm 4 → | Jan 26, 4:32 pm EST | SYNLOGIC, INC.SYBX | 410,000 | $9.75 | $3,997,500 | 4,228,940 | — | plan? |
| Dec 6, 2017 SForm 4 → | Dec 8, 4:56 pm EST | Senseonics Holdings, Inc.SENS | 139,645 | $2.63 | $366,823 | 0 | −100% | plan? |
| Dec 6, 2017 XForm 4 → | Dec 8, 4:56 pm EST | Senseonics Holdings, Inc.SENS | 139,645 | $1.79 | $249,992 | 139,645 | — | plan? |
| Nov 30, 2017 JForm 4 → | Dec 4, 4:31 pm EST | Senseonics Holdings, Inc.SENS | 3,887,469 | — | — | 48,377 | — | plan? |
| Nov 27, 2017 SForm 4 → | Nov 27, 6:16 pm EST | APPIAN CORPAPPN | 569,620 | $19.49 | $11,101,894 | 0 | −100% | plan? |
| Nov 27, 2017 CForm 4 → | Nov 27, 6:16 pm EST | APPIAN CORPAPPN | 569,620 | — | — | 569,620 | — | plan? |
| Nov 20, 2017 SForm 4 → | Nov 21, 4:47 pm EST | APPIAN CORPAPPN | 2,820,516 | $19.49 | $54,971,857 | 0 | −100% | plan? |
| Nov 20, 2017 CForm 4 → | Nov 21, 4:47 pm EST | APPIAN CORPAPPN | 2,820,516 | — | — | 2,820,516 | — | plan? |
| Nov 6, 2017 JForm 4 → | Nov 8, 9:08 pm EST | Care.com IncCRCM | 1,020,580 | — | — | 290 | — | plan? |
| Oct 10, 2017 PForm 4 → | Oct 10, 4:33 pm EDT | RHYTHM PHARMACEUTICALS, INC.RYTM | 550,000 | $17.00 | $9,350,000 | 4,909,956 | +12.6% | plan? |
| Oct 10, 2017 CForm 4 → | Oct 10, 4:33 pm EDT | RHYTHM PHARMACEUTICALS, INC.RYTM | 4,330,578 | — | — | 4,359,956 | — | plan? |
| Aug 28, 2017 AForm 4 → | Aug 30, 4:42 pm EDT | SYNLOGIC, INC.SYBX | 3,394,439 | — | — | 3,818,940 | — | plan? |
| Aug 9, 2017 SForm 4 → | Aug 10, 5:13 pm EDT | Groupon, Inc.GRPN | 562,719 | $3.96 | $2,225,891 | 0 | −100% | plan? |
| Aug 8, 2017 JForm 4 → | Aug 10, 5:13 pm EDT | Groupon, Inc.GRPN | 16,878,622 | — | — | 562,719 | — | plan? |
| Jul 3, 2017 PForm 4 → | Jul 6, 5:16 pm EDT | Mersana Therapeutics, Inc.MRSN | 1,000,000 | $15.00 | $15,000,000 | 8,140,138 | +14.0% | plan? |
| Jul 3, 2017 CForm 4 → | Jul 6, 5:16 pm EDT | Mersana Therapeutics, Inc.MRSN | 7,140,138 | — | — | 7,140,138 | — | plan? |
| Jun 13, 2017 AForm 4 → | Jun 15, 6:14 pm EDT | Groupon, Inc.GRPN | 51,964 | — | — | 168,887 | — | plan? |
| Jun 12, 2017 SForm 4 → | Jun 13, 4:22 pm EDT | Groupon, Inc.GRPN | 281,352 | $3.04 | $854,100 | 0 | −100% | plan? |
| Jun 9, 2017 JForm 4 → | Jun 13, 4:22 pm EDT | Groupon, Inc.GRPN | 8,439,301 | — | — | 281,352 | — | plan? |
| Jun 1, 2017 PForm 4 → | Jun 5, 4:53 pm EDT | Senseonics Holdings, Inc.SENS | 7,092,198 | $1.41 | $9,999,999 | 21,911,183 | +47.9% | plan? |
| Mar 28, 2017 PForm 4 → | Mar 29, 4:09 pm EDT | AVEO PHARMACEUTICALS INCAVEO | 6,000,000 | $0.50 | $3,000,000 | 16,362,694 | +57.9% | plan? |
| Mar 27, 2017 PForm 4 → | Mar 28, 4:22 pm EDT | Adaptimmune Therapeutics PLCADAP | 12,870,000 | $0.70 | $9,009,000 | 72,139,000 | +21.7% | plan? |
| Mar 22, 2017 CJForm 4 → | Mar 22, 9:13 pm EDT | MULESOFT, INCMULE | 31,910,994 | — | — | 0 | — | plan? |
| Mar 1, 2017 SForm 4 → | Mar 2, 5:13 pm EST | Groupon, Inc.GRPN | 187,386 | $4.20 | $787,421 | 0 | −100% | plan? |
| Feb 28, 2017 SForm 4 → | Mar 1, 4:16 pm EST | Groupon, Inc.GRPN | 93,968 | $4.26 | $399,862 | 187,386 | −33.4% | plan? |
| Feb 27, 2017 JForm 4 → | Mar 1, 4:16 pm EST | Groupon, Inc.GRPN | 8,439,302 | — | — | 281,354 | — | plan? |
| Dec 19, 2016 PForm 4 → | Dec 19, 4:43 pm EST | Achaogen IncAKAO | 500,000 | $13.50 | $6,750,000 | 5,215,128 | +10.6% | plan? |
| Nov 30, 2016 JForm 5 → | Feb 14, 2017, 5:38 pm EST | ARDELYX, INC.ARDX | 136 | — | — | 0 | — | plan? |
| Nov 29, 2016 PForm 4 → | Nov 29, 6:02 pm EST | Tracon Pharmaceuticals, Inc.TCON | 869,565 | $5.75 | $4,999,999 | 2,758,039 | +46.0% | plan? |
| Oct 31, 2016 PForm 4 → | Oct 31, 4:49 pm EDT | Ra Pharmaceuticals, Inc.RARX | 338,462 | $13.00 | $4,400,006 | 3,490,073 | +10.7% | plan? |
| Oct 31, 2016 SForm 4 → | Oct 31, 4:49 pm EDT | Ra Pharmaceuticals, Inc.RARX | 435 | $13.00 | $5,655 | 80,223 | −0.54% | plan? |
| Oct 31, 2016 CXForm 4 → | Oct 31, 4:49 pm EDT | Ra Pharmaceuticals, Inc.RARX | 3,152,046 | $0.07 | $5,646 | 3,151,611 | — | plan? |
| Aug 12, 2016 SForm 4 → | Aug 15, 4:33 pm EDT | Groupon, Inc.GRPN | 730,349 | $5.69 | $4,153,933 | 0 | −100% | plan? |
| Aug 11, 2016 JForm 4 → | Aug 12, 4:18 pm EDT | Groupon, Inc.GRPN | 21,916,433 | — | — | 730,349 | — | plan? |
| Jul 29, 2016 PForm 4 → | Aug 2, 4:33 pm EDT | INTERLEUKIN GENETICS INCILIU | 20,120,724 | $0.0994 | $2,000,000 | 55,418,811 | +57.0% | plan? |
| Jul 18, 2016 PForm 4 → | Jul 20, 4:38 pm EDT | ARDELYX, INC.ARDX | 2,290,951 | $8.73 | $20,000,002 | 2,665,519 | +612% | plan? |
| Jun 9, 2016 SForm 4 → | Jun 10, 5:08 pm EDT | Groupon, Inc.GRPN | 640,045 | $3.22 | $2,063,715 | 0 | −100% | plan? |
| Jun 8, 2016 AJForm 4 → | Jun 10, 5:08 pm EDT | Groupon, Inc.GRPN | 18,612,101 | — | — | 116,923 | — | plan? |
| Mar 23, 2016 PForm 4 → | Mar 23, 5:15 pm EDT | Senseonics Holdings, Inc.SENS | 2,631,578 | $2.85 | $7,499,997 | 8,949,292 | +41.7% | plan? |
| Mar 18, 2016 PForm 4 → | Mar 18, 5:37 pm EDT | TESARO, Inc.TSRO | 1,420,858 | $35.19 | $49,999,993 | 710,429 | — | plan? |
| Jan 13, 2016 PForm 4 → | Jan 14, 4:27 pm EST | ARDELYX, INC.ARDX | 1,500,000 | $10.00 | $15,000,000 | 1,901,869 | +373% | plan? |
| Jan 12, 2016 PForm 4 → | Jan 12, 5:32 pm EST | Epizyme, Inc.EPZM | 1,111,111 | $9.00 | $9,999,999 | 5,854,351 | +23.4% | plan? |
| Nov 17, 2015 PForm 4 → | Nov 18, 6:39 pm EST | XTERA COMMUNICATIONS, INC.XCOM | 800,000 | $5.00 | $4,000,000 | 971,733 | +466% | plan? |
| Nov 17, 2015 CForm 4 → | Nov 18, 6:39 pm EST | XTERA COMMUNICATIONS, INC.XCOM | 2,797,219 | — | — | 757,668 | — | plan? |
| Nov 16, 2015 SForm 4 → | Nov 18, 2:20 pm EST | GLYCOMIMETICS INCGLYC | 452 | $6.91 | $3,123 | 4,490,751 | −0.01% | plan? |
| Nov 16, 2015 XForm 4 → | Nov 18, 2:20 pm EST | GLYCOMIMETICS INCGLYC | 9,445 | $0.33 | $3,117 | 4,491,203 | — | plan? |
| Nov 11, 2015 JForm 4 → | Nov 12, 3:46 pm EST | SUPERNUS PHARMACEUTICALS INCSUPN | 6,474,371 | — | — | 212,650 | — | plan? |
| Oct 20, 2015 CForm 4 → | Oct 20, 3:22 pm EDT | Cerecor Inc.CERC | 594,245 | — | — | 594,245 | — | plan? |
| Oct 6, 2015 PForm 4 → | Oct 6, 3:10 pm EDT | Mirna Therapeutics, Inc.MIRN | 857,142 | $7.00 | $5,999,994 | 2,971,517 | +40.5% | plan? |
| Oct 5, 2015 CJForm 4 → | Oct 6, 3:10 pm EDT | Mirna Therapeutics, Inc.MIRN | 2,114,375 | — | — | 2,114,375 | — | plan? |
| Jul 1, 2015 JForm 4 → | Jul 2, 4:42 pm EDT | Vitae Pharmaceuticals, IncVTAE | 844,288 | — | — | 1,171 | — | plan? |
| Jun 18, 2015 AForm 4 → | Jun 22, 8:51 pm EDT | Groupon, Inc.GRPN | 28,889 | — | — | 70,932 | — | plan? |
| Jun 17, 2015 SForm 4 → | Jun 19, 4:28 pm EDT | SUPERNUS PHARMACEUTICALS INCSUPN | 48,796 | $16.02 | $781,800 | 0 | −100% | plan? |
| Jun 17, 2015 SForm 4 → | Jun 19, 4:28 pm EDT | SUPERNUS PHARMACEUTICALS INCSUPN | 63,085 | $16.67 | $1,051,804 | 48,796 | — | plan? |
| Jun 16, 2015 SForm 4 → | Jun 17, 8:34 am EDT | SUPERNUS PHARMACEUTICALS INCSUPN | 55,105 | $16.85 | $928,668 | 111,881 | −33.0% | plan? |
| Jun 15, 2015 JForm 4 → | Jun 17, 8:34 am EDT | SUPERNUS PHARMACEUTICALS INCSUPN | 5,083,791 | — | — | 166,986 | — | plan? |
| Jun 5, 2015 PForm 4 → | Jun 9, 4:47 pm EDT | ARDELYX, INC.ARDX | 4,672,897 | $10.70 | $49,999,998 | 1,401,869 | — | plan? |
| Jun 2, 2015 SForm 4 → | Jun 4, 4:11 pm EDT | TESARO, Inc.TSRO | 2,129 | $57.72 | $122,896 | 0 | −100% | plan? |
| Jun 1, 2015 JForm 4 → | Jun 2, 8:55 am EDT | TESARO, Inc.TSRO | 1,022,709 | — | — | 2,129 | — | plan? |
| May 7, 2015 UForm 4 → | May 11, 3:01 pm EDT | HYPERION THERAPEUTICS INCHPTX | 2,384,511 | $46.00 | $109,687,506 | 0 | — | plan? |
| Feb 4, 2015 PForm 4 → | Feb 5, 3:54 pm EST | Tracon Pharmaceuticals, Inc.TCON | 500,000 | $10.00 | $5,000,000 | 1,888,474 | +36.0% | plan? |
| Feb 4, 2015 CForm 4 → | Feb 5, 3:54 pm EST | Tracon Pharmaceuticals, Inc.TCON | 1,388,474 | — | — | 1,388,474 | — | plan? |
| Jan 28, 2015 CJForm 4 → | Jan 29, 5:18 pm EST | BOX INCBOX | 4,020,134 | — | — | 0 | — | plan? |