Investor Palo Alto Investors LP
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Palo Alto Investors LP . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

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Date Form Target Prev
Shares		 Current
Shares		 Change
(Percent)		 Ownership
(Percent)		 Change
(Percent)
2025-02-13 13G/A RVNC / Revance Therapeutics, Inc. 5,237,284 1,611,787
2024-02-14 13G/A RVNC / Revance Therapeutics, Inc. 5,283,609 5,237,284
2024-02-14 13G/A EHTH / eHealth, Inc. 2,484,479 2,739,379
2024-02-14 13G/A KPTI / Karyopharm Therapeutics Inc. 5,655,676 5,102,193
2023-04-03 13G/A ALIM / Alimera Sciences, Inc. 802,423 0
2023-02-14 13G/A EPZM / Epizyme Inc 5,485,213 0
2023-02-14 13G/A INSM / Insmed Incorporated 6,025,706 5,871,291
2023-02-14 13G/A RVNC / Revance Therapeutics, Inc. 4,369,366 5,283,609
2023-02-14 13G/A VNDA / Vanda Pharmaceuticals Inc. 2,834,244 1,087,064
2023-02-14 13G/A EHTH / eHealth, Inc. 1,615,570 2,484,479
2023-02-14 13G/A KPTI / Karyopharm Therapeutics Inc. 5,470,452 5,655,676
2023-02-14 13G/A ALIM / Alimera Sciences, Inc. 802,423 802,423
2022-02-14 13G/A EPZM / Epizyme Inc 6,738,913 5,485,213
2022-02-14 13G/A CLVS / Clovis Oncology Inc 4,469,411 3,997,826
2022-02-14 13G/A INSM / Insmed Incorporated 6,105,980 6,025,706
2022-02-14 13G/A EHTH / eHealth, Inc. 1,615,570
2022-02-14 13G/A RVNC / Revance Therapeutics, Inc. 4,369,366
2022-02-14 13G/A VNDA / Vanda Pharmaceuticals Inc. 4,230,548 2,834,244
2022-02-14 13G/A KPTI / Karyopharm Therapeutics Inc. 5,267,652 5,470,452
2022-02-14 13G/A ALIM / Alimera Sciences, Inc. 802,423 802,423
2022-02-14 13G/A STAA / STAAR Surgical Company 2,849,348 1,140,511
2021-02-16 13G/A VNDA / Vanda Pharmaceuticals Inc. 4,230,548
2021-02-16 13G/A STAA / STAAR Surgical Company 3,778,938 2,849,348
2021-02-16 13G/A INSM / Insmed Incorporated 6,105,980
2021-02-16 13G/A KPTI / Karyopharm Therapeutics Inc. 5,267,652
2021-02-16 13G/A EPZM / Epizyme Inc 6,738,913
2021-02-16 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc. 0
2021-02-16 13G/A CLVS / Clovis Oncology Inc 4,469,411
2021-02-16 13G/A ALIM / Alimera Sciences, Inc. 802,423
2021-02-16 13G/A 0HBB / Aimmune Therapeutics Inc 0
2020-02-14 13G/A ALIM / Alimera Sciences, Inc. 12,036,593
2020-02-14 13G/A INSM / Insmed Incorporated 7,653,617
2020-02-14 13G/A VNDA / Vanda Pharmaceuticals Inc. 4,345,571
2020-02-14 13G/A KPTI / Karyopharm Therapeutics Inc. 4,685,352
2020-02-14 13G/A EPZM / Epizyme Inc 6,935,074
2020-02-14 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc. 3,381,197
2020-02-14 13G/A CLVS / Clovis Oncology Inc 5,239,304
2020-02-14 13G/A STAA / STAAR Surgical Company 4,147,988 3,778,938
2020-02-14 13G 0HBB / Aimmune Therapeutics Inc
2020-02-14 13D 0HBB / Aimmune Therapeutics Inc
2020-02-14 13D/A ALIM / Alimera Sciences, Inc. 12,036,593
2019-02-19 13G/A VNDA / Vanda Pharmaceuticals Inc. 4,155,670 4,345,571
2019-02-14 13G/A EPZM / Epizyme Inc 6,860,843 6,935,074
2019-02-14 13G/A KPTI / Karyopharm Therapeutics Inc. 3,544,439 4,685,352
2019-02-14 13G/A CLVS / Clovis Oncology Inc 4,801,127 5,239,304
2019-02-14 13G/A ALIM / Alimera Sciences, Inc. 12,036,593 12,036,593
2019-02-14 13G/A INSM / Insmed Incorporated 6,718,495 7,653,617
2019-02-14 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc. 3,493,220 3,381,197
2019-02-14 13G/A STAA / STAAR Surgical Company 3,496,752 4,147,988
2019-02-14 13G/A VNDA / Vanda Pharmaceuticals Inc. 4,155,670 4,155,670
2018-06-25 13G/A CLVS / Clovis Oncology Inc 3,402,781 4,801,127
2018-02-14 13G/A 867328601 / Sunesis Pharmaceuticals, Inc. 1,162,473 1,162,473
2018-02-14 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc. 3,344,620 3,493,220
2018-02-14 13G/A STAA / STAAR Surgical Company 3,386,245 3,496,752
2018-02-14 13G/A ALIM / Alimera Sciences, Inc. 12,036,349 12,036,593
2018-02-14 13G/A CLVS / Clovis Oncology Inc 3,804,088 3,402,781
2018-02-14 13G/A INSM / Insmed Incorporated 5,446,516 6,718,495
2018-02-14 13G/A EPZM / Epizyme Inc 4,699,675 6,860,843
2018-02-14 13G/A KPTI / Karyopharm Therapeutics Inc. 3,200,396 3,544,439
2018-02-14 13G/A VNDA / Vanda Pharmaceuticals Inc. 4,203,270 4,155,670
2017-10-12 13G/A ALIM / Alimera Sciences, Inc. 14,743,433 12,036,349
2017-04-03 13G/A EPZM / Epizyme Inc 3,035,796 4,699,675
2017-01-13 13G/A 867328601 / Sunesis Pharmaceuticals, Inc. 1,162,473 1,162,473
2017-01-13 13G/A VNDA / Vanda Pharmaceuticals Inc. 4,203,270 4,203,270
2017-01-13 13G/A STAA / STAAR Surgical Company 3,386,245 3,386,245
2017-01-12 13G/A STAA / STAAR Surgical Company 3,386,245
2017-01-12 13G/A VIRX / Viracta Therapeutics, Inc. 6,974,854 1,162,473
2017-01-12 13G/A VNDA / Vanda Pharmaceuticals Inc. 4,030,908 4,203,270
2017-01-12 13G/A SQNM / Sequenom, Inc. 10,023,842 0
2017-01-12 13G/A KPTI / Karyopharm Therapeutics Inc. 3,112,645 3,200,396
2017-01-12 13G/A RIGL / Rigel Pharmaceuticals, Inc. 5,239,119 4,176,623
2017-01-12 13G/A EPZM / Epizyme Inc 2,660,979 3,035,796
2017-01-12 13G/A INSM / Insmed Incorporated 4,790,800 5,446,516
2017-01-12 13G/A CLVS / Clovis Oncology Inc 3,547,719 3,804,088
2017-01-12 13G/A ALIM / Alimera Sciences, Inc. 14,743,433 14,743,433
2017-01-12 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc. 2,836,483 3,344,620
2017-01-12 13G/A ABMD / Abiomed Inc. 2,889,505 1,903,584
2016-02-16 13G/A AUXL / Auxilium Pharmaceuticals Inc 0
2016-02-16 13G/A STAA / STAAR Surgical Company 2,666,722
2016-02-16 13G/A CLVS / Clovis Oncology Inc 3,547,719
2016-02-16 13G KPTI / Karyopharm Therapeutics Inc. 3,112,645
2016-02-16 13G EPZM / Epizyme Inc 2,660,979
2016-02-16 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc. 2,836,483
2016-02-16 13G/A ABMD / Abiomed Inc. 2,889,505
2016-02-16 13G/A CYBX / Cyberonics, Inc. 0
2016-02-16 13G/A 032420101 / Anacor Pharmaceuticals, Inc. 2,187,242 2,187,242
2016-02-16 13G/A VNDA / Vanda Pharmaceuticals Inc. 4,030,908
2016-02-16 13G/A EIGR / Eiger BioPharmaceuticals, Inc. 0 0
2016-02-16 13G/A ALIM / Alimera Sciences, Inc. 14,743,433
2016-02-16 13G/A INSM / Insmed Incorporated 4,790,800
2016-02-16 13G/A SQNM / Sequenom, Inc. 10,023,842
2016-02-16 13G VIRX / Viracta Therapeutics, Inc. 6,974,854
2016-02-16 13G/A RIGL / Rigel Pharmaceuticals, Inc. 5,239,119
2015-05-08 13G/A EIGR / Eiger BioPharmaceuticals, Inc. 0
2015-02-18 13G STAA / STAAR Surgical Company 2,629,622
2015-02-18 13G EIGR / Eiger BioPharmaceuticals, Inc. 1,403,800
2015-02-18 13G/A ABMD / Abiomed Inc. 2,460,124
2015-02-18 13G/A ALIM / Alimera Sciences, Inc. 14,743,116
2015-02-18 13G/A AUXL / Auxilium Pharmaceuticals Inc 4,915,931
2015-02-18 13G/A FOLD / Amicus Therapeutics, Inc. 1,959,966
2015-02-18 13G/A RIGL / Rigel Pharmaceuticals, Inc. 5,176,319
2015-02-18 13G INSM / Insmed Incorporated 4,625,648
2015-02-18 13G/A SQNM / Sequenom, Inc. 9,925,742
2015-02-18 13G/A CYBX / Cyberonics, Inc. 1,608,101
2015-02-18 13G/A VNDA / Vanda Pharmaceuticals Inc. 3,786,908
2015-02-18 13G 032420101 / Anacor Pharmaceuticals, Inc. 2,521,822
2015-02-18 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc. 1,994,891
2015-02-18 13G CLVS / Clovis Oncology Inc 2,102,857
2014-10-08 13G FOLD / Amicus Therapeutics, Inc. 1,959,966
2014-02-14 13G/A ALIM / Alimera Sciences, Inc. 15,364,307
2014-02-14 13G/A FOLD / Amicus Therapeutics, Inc. 4,426,461
2014-02-14 13G/A AUXL / Auxilium Pharmaceuticals Inc 4,883,879
2014-02-14 13G/A SQNM / Sequenom, Inc. 9,394,627
2014-02-14 13G RIGL / Rigel Pharmaceuticals, Inc. 5,217,001
2014-02-14 13G VNDA / Vanda Pharmaceuticals Inc. 3,238,624
2014-02-14 13G/A STAA / STAAR Surgical Company 3,214,253
2014-02-14 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc. 1,762,023
2014-02-14 13G ABMD / Abiomed Inc. 2,687,347
2014-02-14 13G/A CYBX / Cyberonics, Inc. 1,951,581
2014-02-14 13G/A VPHM / Shire Viropharma Inc 290,916
2013-11-12 13G/A SVNTQ / Savient Pharmaceuticals Inc 2,500
2013-09-09 13G AUXL / Auxilium Pharmaceuticals Inc 4,383,537
2013-07-30 13G/A VNDA / Vanda Pharmaceuticals Inc. 3,141,014
2013-02-14 13G/A FOLD / Amicus Therapeutics, Inc. 5,198,555
2013-02-14 13G/A AUXL / Auxilium Pharmaceuticals Inc 2,399,494
2013-02-14 13G/A SQNM / Sequenom, Inc. 7,431,110
2013-02-14 13G/A ALIM / Alimera Sciences, Inc. 13,508,402
2013-02-14 13G VNDA / Vanda Pharmaceuticals Inc. 1,429,462
2013-02-14 13G/A STAA / STAAR Surgical Company 3,549,405
2013-02-14 13G/A SVNTQ / Savient Pharmaceuticals Inc 11,408,302
2013-02-14 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc. 1,813,724
2013-02-14 13G/A CYBX / Cyberonics, Inc. 1,948,018
2013-02-14 13G/A BVSN / BroadVision, Inc. 0
2013-02-14 13G/A 3,822,692
2012-10-11 13G/A ALIM / Alimera Sciences, Inc. 13,508,402
2012-09-14 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc. 1,834,207
2012-04-05 13G/A ALIM / Alimera Sciences, Inc. 3,206,272
2012-02-13 13G/A TPLM / Triangle Petroleum Corp. 8,640
2012-02-13 13G/A CRNT / Ceragon Networks Ltd. 28,200
2012-02-13 13G/A US60877T1007 / Momenta Pharmaceuticals, Inc. 2,421,438
2012-02-13 13G/A NOG / Northern Oil and Gas, Inc. 362,800
2012-02-13 13G/A FOLD / Amicus Therapeutics, Inc. 6,234,454
2012-02-13 13G SQNM / Sequenom, Inc. 5,368,410
2012-02-13 13G ALIM / Alimera Sciences, Inc. 2,803,484
2012-02-13 13G AUXL / Auxilium Pharmaceuticals Inc 3,090,146
2012-02-13 13G/A STAA / STAAR Surgical Company 3,463,415
2012-02-13 13G/A SVNTQ / Savient Pharmaceuticals Inc 11,828,551
2012-02-13 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc. 1,406,763
2012-02-13 13G/A CYBX / Cyberonics, Inc. 2,775,281
2012-02-13 13G/A 0