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PRIMECAP MANAGEMENT CO
- As of  04/28/24, 12:52:01 PM:   137 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
S 2020-11-06 11:01:26.0 WHIRLPOOL CORP WHR 9.72% view
S 2020-11-06 11:00:37.0 United Airlines Holdings UAL 9.93% view
S 2020-10-08 19:02:43.0 E TRADE FINANCIAL CORP ETFC 4.88% view
S 2020-10-08 19:02:16.0 Epizyme EPZM 14.85% view
S 2020-10-08 19:01:59.0 Calithera Biosciences CALA 14.26% view
S 2020-10-08 19:01:44.0 ABIOMED INC ABMD 4.94% view
S 2020-09-10 12:02:01.0 L Brands LB 4.39% view
S 2020-09-10 12:01:31.0 Alkermes plc ALKS 4.93% view
S 2020-09-10 12:01:30.0 Xencor Inc XNCR 9.53% view
S 2020-09-10 12:01:16.0 STRATASYS LTD n/a 9.69% view
B 2020-09-10 12:01:01.0 NMI Holdings NMIH 5.36% view
S 2020-09-10 12:00:46.0 American Airlines Group Inc AAL 9.93% view
B 2020-09-10 12:00:16.0 BIOMARIN PHARMACEUTICAL INC BMRN 10.03% view
B 2020-09-08 15:31:24.0 Xencor Inc XNCR 9.8052% view
S 2020-07-08 09:00:21.0 ALBEMARLE CORP ALB 4.88% view
S 2020-06-05 12:02:34.0 Xencor Inc XNCR 9.8052% view
S 2020-06-05 12:02:04.0 SERVICESOURCE INTERNATIONAL SREV 9.21% view
S 2020-06-05 12:01:34.0 PROS Holdings PRO 4.26% view
S 2020-06-05 12:01:05.0 Pfenex Inc PFNX 9.47% view
B 2020-04-24 15:56:57.0 LivaNova PLC LIVN 5.03% view
B 2020-04-24 15:53:26.0 FIBROGEN INC FGEN 5.71% view
B 2020-04-24 15:39:57.0 RHYTHM PHARMACEUTICALS RYTM 8.04% view
S 2020-04-24 15:37:41.0 SEATTLE GENETICS INC SGEN 4.34% view
S 2020-04-24 15:36:57.0 Tribune Publishing Co TPCO 1.61% view
S 2020-04-24 15:30:41.0 IMAX CORP IMAX 4.16% view
B 2020-02-12 14:55:20.0 JETBLUE AIRWAYS CORP JBLU 7.79% view
S 2020-02-12 14:55:04.0 PROS Holdings PRO 7.44% view
B 2020-02-12 14:54:34.0 JACOBS ENGINEERING GROUP INC J 5.81% view
S 2020-02-12 14:54:05.0 IROBOT CORP IRBT 14.11% view
S 2020-02-12 14:54:05.0 QIAGEN NV n/a 6.59% view
S 2020-02-12 14:53:34.0 IMAX CORP IMAX 9.0% view
S 2020-02-12 14:53:05.0 Hewlett Packard Enterprise Co HPE 6.53% view
S 2020-02-12 14:52:49.0 SEATTLE GENETICS INC SGEN 6.39% view
S 2020-02-12 14:52:34.0 FORMFACTOR INC FORM 5.87% view
S 2020-02-12 14:51:49.0 FLUIDIGM CORP FLDM 9.31% view
B 2020-02-12 14:51:23.0 FLEX LTD FLEX 15.1% view
S 2020-02-12 14:51:19.0 SERVICESOURCE INTERNATIONAL SREV 11.62% view
B 2020-02-12 14:50:49.0 PLANTRONICS INC PLT 12.65% view
S 2020-02-12 14:50:34.0 Pfenex Inc PFNX 10.54% view
S 2020-02-12 14:50:23.0 NN INC NNBR 14.97% view
B 2020-02-12 14:50:20.0 SOUTHWEST AIRLINES CO LUV 13.65% view
B 2020-02-12 14:50:05.0 NetApp NTAP 14.27% view
B 2020-02-12 14:49:34.0 NEKTAR THERAPEUTICS NKTR 11.41% view
S 2020-02-12 14:49:19.0 MICRON TECHNOLOGY INC MU 5.03% view
S 2020-02-12 14:49:05.0 MAXLINEAR INC MXL 6.71% view
S 2020-02-12 14:49:05.0 SPECTRUM PHARMACEUTICALS INC SPPI 5.68% view
B 2020-02-12 14:48:50.0 MATTEL INC MAT 14.86% view
S 2020-02-12 14:48:34.0 L Brands LB 6.61% view
S 2020-02-12 14:48:04.0 KLA CORP KLAC 6.52% view
S 2020-02-12 14:47:49.0 FEDEX CORP FDX 5.63% view
S 2020-02-12 14:47:05.0 STRATASYS LTD n/a 13.66% view
S 2020-02-12 14:47:05.0 FARO TECHNOLOGIES INC FARO 5.01% view
B 2020-02-12 14:46:35.0 Epizyme EPZM 15.0% view
S 2020-02-12 14:46:04.0 Elanco Animal Health Inc ELAN 8.2% view
B 2020-02-12 14:45:35.0 Transocean Ltd RIG 8.7% view
B 2020-02-12 14:45:34.0 E TRADE FINANCIAL CORP ETFC 6.33% view
B 2020-02-12 14:45:04.0 DESCARTES SYSTEMS GROUP INC n/a 8.35% view
S 2020-02-12 14:44:38.0 Tribune Publishing Co TPCO 6.03% view
S 2020-02-12 14:44:35.0 CREE CREE 7.39% view
S 2020-02-12 14:44:04.0 COMSCORE SCOR 11.24% view
S 2020-02-12 14:43:34.0 CERUS CORP CERS 7.95% view
B 2020-02-12 14:43:19.0 United Airlines Holdings UAL 14.69% view
S 2020-02-12 14:43:05.0 CARMAX INC KMX 6.62% view
S 2020-02-12 14:42:04.0 UNIVERSAL DISPLAY CORP OLED 7.06% view
S 2020-02-12 14:40:49.0 BLACKBERRY Ltd n/a 13.02% view
B 2020-02-12 14:40:34.0 BIOMARIN PHARMACEUTICAL INC BMRN 9.09% view
B 2020-02-12 14:40:19.0 WHIRLPOOL CORP WHR 12.26% view
B 2020-02-12 14:40:04.0 BIOGEN INC BIIB 8.42% view
S 2020-02-12 14:39:50.0 AXCELIS TECHNOLOGIES INC ACLS 8.92% view
S 2020-02-12 14:38:20.0 Xencor Inc XNCR 11.47% view
B 2020-02-12 14:37:35.0 Arlo Technologies ARLO 6.52% view
B 2020-02-12 14:36:49.0 American Airlines Group Inc AAL 15.63% view
S 2020-02-12 14:36:19.0 Alkermes plc ALKS 8.95% view
B 2020-02-12 14:35:50.0 AECOM ACM 14.09% view
S 2020-02-12 14:35:04.0 ACCURAY INC ARAY 5.06% view
S 2020-02-12 14:32:35.0 ABIOMED INC ABMD 6.83% view
B 2020-01-10 11:31:29.0 Calithera Biosciences CALA 15.0% view
S 2019-12-06 13:35:10.0 INSULET CORP PODD 4.78% view
S 2019-12-06 13:33:56.0 CHEGG CHGG 4.85% view
S 2019-11-05 14:42:34.0 Arbutus Biopharma Corp ABUS 1.06% view
S 2019-06-06 11:43:36.0 Mr COOP 4.33% view
B 2019-02-14 17:05:24.0 Mr WMIH 5.95% view
S 2019-02-14 17:04:00.0 CUMULUS MEDIA INC ADES 3.54% view
S 2018-02-14 11:21:46.0 WMIH CORP WAMUQ 5.13% view
B 2018-02-14 11:21:01.0 Advanced Emissions Solutions ADES 27.1% view
B 2017-08-21 17:06:16.0 GOLD RESERVE INC GRZ 27.1% view
B 2017-04-28 16:48:07.0 GOLD RESERVE INC GRZ 26.9% view
S 2017-02-14 14:38:18.0 WMIH CORP NPO 1.04% view
S 2017-02-14 14:35:21.0 CUMULUS MEDIA INC cmls 8.55% view
S 2016-02-16 09:08:52.0 Horsehead Holding Corp ZINC 5.57% view
S 2016-02-16 09:07:15.0 RUBICON MINERALS CORP n/a 10.9% view
B 2016-02-16 09:03:10.0 ENPRO INDUSTRIES NPO 11.0% view
B 2015-04-27 13:12:03.0 Advanced Emissions Solutions ADES 9.66% view
S 2015-02-17 14:16:23.0 WMI HOLDINGS CORP WAMUQ 7.32% view
B 2015-02-17 14:12:58.0 RUBICON MINERALS CORP n/a 9.22% view
B 2015-02-17 14:06:42.0 GOLD RESERVE INC GRZ 18.8% view
S 2014-10-02 12:10:01.0 WMI HOLDINGS CORP WAMUQ 7.4% view
B 2014-02-14 15:54:13.0 NORDION INC n/a 6.3% view
S 2014-02-14 15:52:16.0 LUXFER HOLDINGS PLC n/a 4.6% view
S 2014-02-14 15:50:34.0 ENPRO INDUSTRIES NPO 5.6% view
B 18.23% 2013-12-27 14:26:08.0 ENPRO INDUSTRIES NPO 6.3% view
B 2013-09-03 17:33:38.0 GOLD RESERVE INC KV 7.3% view
B 2013-07-23 17:08:02.0 K V PHARMACEUTICAL CO GRZ 11.4% view
B 2013-02-14 16:28:31.0 KV PHARMACEUTICAL CO KV 7.3% view
B 2013-02-14 16:22:29.0 CRYSTALLEX INTERNATIONAL CORP n/a 8.1% view
B 2013-02-14 16:16:40.0 GOLD RESERVE INC GRZ 6.8% view
B 2012-12-14 15:15:42.0 K V PHARMACEUTICAL CO n/a 5.9% view
B 2012-10-16 14:44:31.0 LUXFER HOLDINGS PLC n/a 8.4% view
B 10.65% 2012-04-05 16:33:40.0 WMI HOLDINGS CORP WM 7.5% view
B 2012-02-13 15:43:12.0 CRYSTALLEX INTERNATIONAL CORP n/a 9.9% view
B 2010-04-12 16:04:08.0 CRYSTALLEX INTERNATIONAL CORP n/a 5.1% view
S 2010-02-03 16:31:55.0 iPCS IPCS n/a view
S 2009-10-22 11:25:56.0 iPCS IPCS 2.1% view
S 2009-01-27 11:10:59.0 HANGER ORTHOPEDIC GROUP INC HGR 1.4% view
S 2009-01-22 15:31:34.0 ARBINET THEXCHANGE INC SRBX 4.8% view
B 39.56% 2009-01-16 15:24:27.0 DDI CORP DDIC 4.8% view
S 2009-01-16 15:17:33.0 VONAGE HOLDINGS CORP VG 4.8% view
S 2009-01-09 16:29:20.0 PARTICLE DRILLING TECHNOLOGIES INC PDRT 10.7% view
S 2008-04-07 18:28:33.0 GRAN TIERRA ENERGY GTRE 6.2% view
B -98.93% 2008-02-15 16:28:56.0 CRYSTALLEX INTERNATIONAL CORP FMXL 6.2% view
B -64.87% 2008-02-06 17:09:00.0 HANGER ORTHOPEDIC GROUP INC HGR 3.2% view
B 7.96% 2008-02-04 15:53:43.0 GRAN TIERRA ENERGY GTRE 10.3% view
S 2008-01-24 14:30:34.0 IBASIS INC IBAS 2.7% view
B -96.85% 2008-01-22 15:19:05.0 PARTICLE DRILLING TECHNOLOGIES INC PDRT 11.0% view
S 2007-11-29 14:33:03.0 SR TELECOM INC n/a 99.4% view
S 2007-10-09 17:16:44.0 SR TELECOM INC n/a 99.4% view
B 2007-09-28 16:52:36.0 SR TELECOM INC n/a 99.4% view
B -58.45% 2007-08-17 15:47:44.0 FOAMEX INTERNATIONAL INC IBAS 5.1% view
S 2007-07-16 17:27:50.0 ARBINET THEXCHANGE INC SRBX 6.0% view
B -33.97% 2007-07-05 17:24:33.0 ARBINET THEXCHANGE INC ARBX 6.0% view
B -36.92% 2007-05-18 12:48:54.0 VONAGE HOLDINGS CORP VG 5.6% view
B -3.16% 2007-02-05 16:02:30.0 HANGER ORTHOPEDIC GROUP INC HGR 6.8% view
B 2007-02-02 15:15:48.0 GLOBIX CORP GBXX 8.4% view
B 2006-12-22 14:53:20.0 SR TELECOM INC n/a 21.8% view
B 2006-12-11 16:44:05.0 PARTICLE DRILLING TECHNOLOGIES INC n/a 0.0% view
B 2006-05-12 00:00:00.0 EXPRESSJET HOLDINGS INC XJT 5.3% view
B 17.90% 2006-03-20 00:00:00.0 INTEGRATED ALARM SERVICES GROUP INC IASG 5.7% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.
** Since most institutions are long investors, only returns for long transactions are shown here.