| Feb 21, 2019 DForm 4 → | Feb 25, 6:35 pm EST | NxStage Medical, Inc.NXTM | 474,695 | — | — | 0 | — | |
| May 21, 2018 MForm 4 → | May 21, 3:28 pm EDT | NxStage Medical, Inc.NXTM | 5,392 | — | — | 0 | — | |
| Mar 9, 2018 AMForm 4 → | Mar 12, 4:28 pm EDT | NxStage Medical, Inc.NXTM | 46,570 | — | — | 23,286 | — | |
| Aug 7, 2017 MForm 4 → | Aug 8, 6:35 pm EDT | NxStage Medical, Inc.NXTM | 24,000 | — | — | 5,392 | — | |
| Aug 3, 2017 MForm 4 → | Aug 4, 8:00 pm EDT | NxStage Medical, Inc.NXTM | 7,000 | — | — | 32,897 | — | |
| Jun 8, 2017 MForm 4 → | Jun 12, 4:35 pm EDT | NxStage Medical, Inc.NXTM | 2,250 | — | — | 7,723 | — | |
| May 10, 2017 MForm 4 → | May 11, 5:56 pm EDT | NxStage Medical, Inc.NXTM | 250 | — | — | 9,973 | — | |
| Mar 9, 2017 AForm 4 → | Mar 13, 6:14 pm EDT | NxStage Medical, Inc.NXTM | 99,711 | — | — | 99,711 | — | |
| Mar 3, 2017 MForm 4 → | Mar 6, 6:35 pm EST | NxStage Medical, Inc.NXTM | 9,747 | — | — | 0 | — | |
| Mar 1, 2017 MForm 4 → | Mar 1, 6:14 pm EST | NxStage Medical, Inc.NXTM | 5,039 | — | — | 0 | — | |
| Feb 17, 2017 MForm 4 → | Feb 21, 5:21 pm EST | NxStage Medical, Inc.NXTM | 6,000 | — | — | 48,958 | — | |
| Feb 10, 2017 MForm 4 → | Feb 13, 5:07 pm EST | NxStage Medical, Inc.NXTM | 2,500 | — | — | 10,223 | — | |
| Feb 2, 2017 MForm 4 → | Feb 2, 6:14 pm EST | NxStage Medical, Inc.NXTM | 15,669 | — | — | 54,958 | — | |
| Nov 25, 2016 MForm 4 → | Nov 29, 5:07 pm EST | NxStage Medical, Inc.NXTM | 12,169 | — | — | 12,880 | — | |
| May 10, 2016 MForm 4 → | May 11, 6:14 pm EDT | NxStage Medical, Inc.NXTM | 1,057 | — | — | 5,039 | — | |
| Apr 5, 2016 MForm 4 → | Apr 6, 4:56 pm EDT | NxStage Medical, Inc.NXTM | 1,000 | — | — | 6,096 | — | |
| Mar 9, 2016 AMForm 4 → | Mar 10, 4:28 pm EST | NxStage Medical, Inc.NXTM | 179,772 | — | — | 7,096 | — | |
| Mar 3, 2016 MForm 4 → | Mar 7, 4:35 pm EST | NxStage Medical, Inc.NXTM | 9,746 | — | — | 9,747 | — | |
| Feb 24, 2016 MForm 4 → | Feb 25, 4:07 pm EST | NxStage Medical, Inc.NXTM | 992 | — | — | 0 | — | |
| Feb 10, 2016 MForm 4 → | Feb 12, 5:21 pm EST | NxStage Medical, Inc.NXTM | 991 | — | — | 992 | — | |
| Feb 9, 2016 MForm 4 → | Feb 10, 4:56 pm EST | NxStage Medical, Inc.NXTM | 1,000 | — | — | 8,096 | — | |
| Feb 4, 2016 MForm 4 → | Feb 5, 4:07 pm EST | NxStage Medical, Inc.NXTM | 991 | — | — | 1,983 | — | |
| Jan 8, 2016 MForm 4 → | Jan 11, 4:21 pm EST | NxStage Medical, Inc.NXTM | 1,500 | — | — | 53,897 | — | |
| Jan 7, 2016 MForm 4 → | Jan 8, 4:42 pm EST | NxStage Medical, Inc.NXTM | 2,213 | — | — | 9,096 | — | |
| Dec 31, 2015 MForm 4 → | Jan 4, 2016, 4:21 pm EST | NxStage Medical, Inc.NXTM | 11,200 | — | — | 2,974 | — | |
| Dec 22, 2015 MForm 4 → | Dec 23, 4:07 pm EST | NxStage Medical, Inc.NXTM | 3,000 | — | — | 55,397 | — | |
| Dec 16, 2015 MForm 4 → | Dec 17, 4:21 pm EST | NxStage Medical, Inc.NXTM | 800 | — | — | 19,309 | — | |
| Dec 8, 2015 MForm 4 → | Dec 9, 5:21 pm EST | NxStage Medical, Inc.NXTM | 1,413 | — | — | 20,109 | — | |
| Nov 12, 2015 MForm 4 → | Nov 16, 5:49 pm EST | NxStage Medical, Inc.NXTM | 2,555 | — | — | 21,522 | — | |
| Nov 10, 2015 MForm 4 → | Nov 12, 9:21 pm EST | NxStage Medical, Inc.NXTM | 7,500 | — | — | 58,397 | — | |
| Nov 3, 2015 MForm 4 → | Nov 5, 5:07 pm EST | NxStage Medical, Inc.NXTM | 4,826 | — | — | 23,735 | — | |
| Oct 8, 2015 MForm 4 → | Oct 9, 4:42 pm EDT | NxStage Medical, Inc.NXTM | 1,339 | — | — | 28,561 | — | |
| Sep 9, 2015 MForm 4 → | Sep 11, 4:14 pm EDT | NxStage Medical, Inc.NXTM | 1,339 | — | — | 6,855 | — | |
| Aug 12, 2015 MForm 4 → | Aug 14, 4:07 pm EDT | NxStage Medical, Inc.NXTM | 1,752 | — | — | 30,561 | — | |
| Aug 7, 2015 MForm 4 → | Aug 10, 4:28 pm EDT | NxStage Medical, Inc.NXTM | 826 | — | — | 31,974 | — | |
| Aug 4, 2015 MForm 4 → | Aug 6, 4:35 pm EDT | NxStage Medical, Inc.NXTM | 1,000 | — | — | 32,800 | — | |
| Jul 9, 2015 MForm 4 → | Jul 13, 4:14 pm EDT | NxStage Medical, Inc.NXTM | 339 | — | — | 7,533 | — | |
| Jun 10, 2015 MForm 4 → | Jun 10, 6:35 pm EDT | NxStage Medical, Inc.NXTM | 1,339 | — | — | 33,800 | — | |
| May 13, 2015 MForm 4 → | May 15, 4:35 pm EDT | NxStage Medical, Inc.NXTM | 150 | — | — | 8,211 | — | |
| Apr 21, 2015 MForm 4 → | Apr 22, 4:35 pm EDT | NxStage Medical, Inc.NXTM | 950 | — | — | 34,800 | — | |
| Mar 31, 2015 MForm 4 → | Apr 2, 5:21 pm EDT | NxStage Medical, Inc.NXTM | 800 | — | — | 35,600 | — | |
| Mar 26, 2015 MForm 4 → | Mar 30, 4:42 pm EDT | NxStage Medical, Inc.NXTM | 150 | — | — | 8,511 | — | |
| Mar 17, 2015 MForm 4 → | Mar 19, 4:28 pm EDT | NxStage Medical, Inc.NXTM | 136 | — | — | 0 | — | |
| Mar 3, 2015 AMForm 4 → | Mar 5, 7:07 pm EST | NxStage Medical, Inc.NXTM | 145,321 | — | — | 0 | — | |
| Feb 25, 2015 MForm 4 → | Feb 26, 5:28 pm EST | NxStage Medical, Inc.NXTM | 1,082 | — | — | 36,400 | — | |
| Jan 27, 2015 MForm 4 → | Jan 28, 6:07 pm EST | NxStage Medical, Inc.NXTM | 1,350 | — | — | 37,200 | — | |
| Dec 31, 2014 MForm 4 → | Jan 5, 2015, 5:17 pm EST | NxStage Medical, Inc.NXTM | 4,628 | — | — | 800 | — | |
| Dec 15, 2014 MForm 4 → | Oct 22, 2015, 6:14 pm EDT | NxStage Medical, Inc.NXTM | 5,800 | — | — | 0 | — | late |