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Amster John A

Insider CIK 1511892 · RPXC President & CEO, Director

Track record PRO

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Track record
See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.
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Trades across companies

TickerCodeTradeFiledSharesPriceValueOwned after
RPXC RPX Corp M Exercise deriv2016-11-202016-11-225,549— $072,136SEC↗
RPXC RPX Corp M Exercise deriv2016-11-202016-11-224,844— $043,594SEC↗
RPXC RPX Corp M Exercise deriv2016-11-202016-11-227,812— $07,813SEC↗
RPXC RPX Corp F Tax w/h2016-11-202016-11-229,501$10.63 $101.0K1,044,119SEC↗
RPXC RPX Corp M Exercise2016-11-202016-11-2218,205— $01,053,620SEC↗
RPXC RPX Corp M Exercise deriv2016-08-202016-08-234,844— $048,438SEC↗
RPXC RPX Corp M Exercise deriv2016-08-202016-08-235,549— $077,685SEC↗
RPXC RPX Corp M Exercise deriv2016-08-202016-08-237,813— $015,625SEC↗
RPXC RPX Corp F Tax w/h2016-08-202016-08-239,501$10.68 $101.5K1,035,415SEC↗
RPXC RPX Corp M Exercise2016-08-202016-08-2318,206— $01,044,916SEC↗
RPXC RPX Corp M Exercise deriv2016-05-202016-05-247,812— $023,438SEC↗
RPXC RPX Corp M Exercise deriv2016-05-202016-05-244,843— $053,282SEC↗
RPXC RPX Corp M Exercise deriv2016-05-202016-05-245,548— $083,234SEC↗
RPXC RPX Corp M Exercise2016-05-202016-05-2418,203— $01,033,575SEC↗
RPXC RPX Corp F Tax w/h2016-05-202016-05-246,865$9.16 $62.9K1,026,710SEC↗
RPXC RPX Corp A Award deriv2016-05-122016-05-1688,782— $088,782SEC↗
RPXC RPX Corp A Award deriv2016-05-122016-05-1688,782— $088,782SEC↗
RPXC RPX Corp M Exercise deriv2016-02-202016-02-234,844— $058,125SEC↗
RPXC RPX Corp M Exercise deriv2016-02-202016-02-237,813— $031,250SEC↗
RPXC RPX Corp M Exercise deriv2016-02-202016-02-2319,375— $00SEC↗
RPXC RPX Corp M Exercise2016-02-202016-02-2332,032— $01,027,412SEC↗
RPXC RPX Corp F Tax w/h2016-02-202016-02-2312,040$9.67 $116.4K1,015,372SEC↗
RPXC RPX Corp A Award deriv2016-02-112016-02-1119,375— $019,375SEC↗
RPXC RPX Corp M Exercise deriv2015-11-202015-11-244,844— $062,969SEC↗
RPXC RPX Corp M Exercise deriv2015-11-202015-11-247,812— $039,063SEC↗
RPXC RPX Corp F Tax w/h2015-11-202015-11-246,605$13.64 $90.1K995,380SEC↗
RPXC RPX Corp M Exercise2015-11-202015-11-2412,656— $01,001,985SEC↗
RPXC RPX Corp M Exercise deriv2015-08-202015-08-214,844— $067,813SEC↗
RPXC RPX Corp M Exercise deriv2015-08-202015-08-217,813— $046,875SEC↗
RPXC RPX Corp M Exercise2015-08-202015-08-2112,657— $0994,230SEC↗
RPXC RPX Corp F Tax w/h2015-08-202015-08-214,901$13.72 $67.2K989,329SEC↗
RPXC RPX Corp M Exercise deriv2015-05-202015-05-224,843— $072,657SEC↗
RPXC RPX Corp M Exercise deriv2015-05-202015-05-227,812— $054,688SEC↗
RPXC RPX Corp M Exercise2015-05-202015-05-2212,655— $0986,329SEC↗
RPXC RPX Corp F Tax w/h2015-05-202015-05-224,756$16.17 $76.9K981,573SEC↗
RPXC RPX Corp A Award deriv2015-05-052015-05-0777,500— $077,500SEC↗
RPXC RPX Corp M Exercise deriv2015-02-202015-02-247,813— $062,500SEC↗
RPXC RPX Corp F Tax w/h2015-02-202015-02-242,937$14.10 $41.4K973,674SEC↗
RPXC RPX Corp M Exercise2015-02-202015-02-247,813— $0976,611SEC↗
RPXC RPX Corp S Sale2015-02-032015-02-048,311$12.68 $105.4K299,209SEC↗
RPXC RPX Corp S Sale2015-02-032015-02-0410,389$12.68 $131.7K968,798SEC↗
RPXC RPX Corp S Sale2015-02-022015-02-048,356$12.39 $103.5K307,520SEC↗
RPXC RPX Corp S Sale2015-02-022015-02-0410,444$12.39 $129.4K979,187SEC↗
RPXC RPX Corp S Sale2015-01-082015-01-088,311$13.69 $113.8K315,876SEC↗
RPXC RPX Corp S Sale2015-01-082015-01-0810,389$13.69 $142.2K989,631SEC↗
RPXC RPX Corp S Sale2015-01-072015-01-088,356$13.48 $112.6K324,187SEC↗
RPXC RPX Corp S Sale2015-01-072015-01-0810,444$13.48 $140.8K1,000,020SEC↗
RPXC RPX Corp S Sale2014-12-112014-12-118,311$13.36 $111.0K332,543SEC↗
RPXC RPX Corp S Sale2014-12-112014-12-1110,389$13.36 $138.8K1,010,464SEC↗
RPXC RPX Corp S Sale2014-12-102014-12-1110,444$13.32 $139.1K1,020,853SEC↗
RPXC RPX Corp S Sale2014-12-102014-12-118,356$13.32 $111.3K340,854SEC↗
RPXC RPX Corp M Exercise deriv2014-11-202014-11-217,812— $070,313SEC↗
RPXC RPX Corp F Tax w/h2014-11-202014-11-214,077$13.31 $54.3K1,031,297SEC↗
RPXC RPX Corp M Exercise2014-11-202014-11-217,812— $01,035,374SEC↗
RPXC RPX Corp S Sale2014-11-132014-11-1410,389$13.87 $144.1K1,027,562SEC↗
RPXC RPX Corp S Sale2014-11-132014-11-148,311$13.87 $115.3K349,210SEC↗
RPXC RPX Corp S Sale2014-11-122014-11-148,356$13.95 $116.6K357,521SEC↗
RPXC RPX Corp S Sale2014-11-122014-11-1410,444$13.95 $145.7K1,037,951SEC↗
RPXC RPX Corp S Sale2014-10-172014-10-208,311$14.57 $121.1K365,877SEC↗
RPXC RPX Corp S Sale2014-10-172014-10-2010,389$14.58 $151.5K1,048,395SEC↗
RPXC RPX Corp S Sale2014-10-162014-10-2010,444$14.72 $153.7K1,058,784SEC↗
RPXC RPX Corp S Sale2014-10-162014-10-208,356$14.72 $123.0K374,188SEC↗
RPXC RPX Corp S Sale2014-09-162014-09-1610,389$14.71 $152.8K1,069,228SEC↗
RPXC RPX Corp S Sale2014-09-162014-09-168,311$14.71 $122.3K382,544SEC↗
RPXC RPX Corp S Sale2014-09-152014-09-168,356$14.72 $123.0K390,855SEC↗
RPXC RPX Corp S Sale2014-09-152014-09-1610,444$14.72 $153.7K1,079,617SEC↗
RPXC RPX Corp G Gift2014-08-262014-09-1610,000— $01,090,061SEC↗
RPXC RPX Corp M Exercise deriv2014-08-202014-08-227,813— $078,125SEC↗
RPXC RPX Corp M Exercise2014-08-202014-08-227,813— $01,103,725SEC↗
RPXC RPX Corp F Tax w/h2014-08-202014-08-223,664$15.05 $55.1K1,100,061SEC↗
RPXC RPX Corp S Sale2014-08-192014-08-208,311$15.25 $126.7K399,211SEC↗
RPXC RPX Corp S Sale2014-08-192014-08-2010,389$15.25 $158.4K1,095,912SEC↗
RPXC RPX Corp S Sale2014-08-182014-08-208,356$15.30 $127.8K407,522SEC↗
RPXC RPX Corp S Sale2014-08-182014-08-2010,444$15.30 $159.8K1,106,301SEC↗
RPXC RPX Corp S Sale2014-07-252014-07-2810,389$15.91 $165.3K1,116,745SEC↗
RPXC RPX Corp S Sale2014-07-252014-07-288,311$15.91 $132.2K415,878SEC↗
RPXC RPX Corp S Sale2014-07-242014-07-2810,444$16.19 $169.1K1,127,134SEC↗
RPXC RPX Corp S Sale2014-07-242014-07-288,356$16.19 $135.3K424,189SEC↗
RPXC RPX Corp S Sale2014-06-262014-06-2610,389$17.16 $178.3K1,137,578SEC↗
RPXC RPX Corp S Sale2014-06-262014-06-268,311$17.16 $142.6K432,545SEC↗
RPXC RPX Corp S Sale2014-06-252014-06-2610,444$17.21 $179.7K1,147,967SEC↗
RPXC RPX Corp S Sale2014-06-252014-06-268,356$17.22 $143.9K440,856SEC↗
RPXC RPX Corp M Exercise deriv2014-05-202014-05-227,812— $085,938SEC↗
RPXC RPX Corp F Tax w/h2014-05-202014-05-222,936$16.05 $47.1K1,158,411SEC↗
RPXC RPX Corp M Exercise2014-05-202014-05-227,812— $01,161,347SEC↗
RPXC RPX Corp S Sale2014-05-132014-05-138,311$16.24 $135.0K449,212SEC↗
RPXC RPX Corp S Sale2014-05-132014-05-1310,389$16.24 $168.7K1,153,535SEC↗
RPXC RPX Corp S Sale2014-05-122014-05-138,356$16.24 $135.7K457,523SEC↗
RPXC RPX Corp S Sale2014-05-122014-05-1310,444$16.24 $169.6K1,163,924SEC↗
RPXC RPX Corp S Sale2014-04-032014-04-038,311$16.61 $138.0K465,879SEC↗
RPXC RPX Corp S Sale2014-04-032014-04-0310,389$16.63 $172.8K1,174,368SEC↗
RPXC RPX Corp S Sale2014-04-022014-04-038,356$16.61 $138.8K474,190SEC↗
RPXC RPX Corp S Sale2014-04-022014-04-0310,444$16.61 $173.5K1,184,757SEC↗
RPXC RPX Corp S Sale2014-03-212014-03-2111,400$16.05 $183.0K1,195,201SEC↗
RPXC RPX Corp S Sale2014-03-202014-03-218,600$15.94 $137.1K1,206,601SEC↗
RPXC RPX Corp S Sale2014-03-072014-03-078,600$16.07 $138.2K1,215,201SEC↗
RPXC RPX Corp S Sale2014-03-062014-03-078,600$16.05 $138.0K1,223,801SEC↗
RPXC RPX Corp M Exercise deriv2014-02-202014-02-247,813— $093,750SEC↗
RPXC RPX Corp M Exercise deriv2014-02-202014-02-2431,250— $093,750SEC↗
RPXC RPX Corp F Tax w/h2014-02-202014-02-2414,681$16.18 $237.5K1,232,401SEC↗
RPXC RPX Corp M Exercise2014-02-202014-02-2439,063— $01,247,082SEC↗
RPXC RPX Corp S Sale2014-02-192014-02-198,600$16.51 $142.0K1,208,019SEC↗
RPXC RPX Corp S Sale2014-02-182014-02-198,600$16.55 $142.3K1,216,619SEC↗
RPXC RPX Corp A Award deriv2014-02-062014-02-07150,000— $0150,000SEC↗
RPXC RPX Corp S Sale2014-02-052014-02-058,600$15.37 $132.2K1,225,219SEC↗
RPXC RPX Corp S Sale2014-02-042014-02-058,600$15.70 $135.0K1,233,819SEC↗
RPXC RPX Corp S Sale2014-01-222014-01-238,600$16.91 $145.4K1,242,419SEC↗
RPXC RPX Corp S Sale2014-01-212014-01-238,600$16.86 $145.0K1,251,019SEC↗
RPXC RPX Corp S Sale2014-01-072014-01-078,600$16.91 $145.4K1,259,619SEC↗
RPXC RPX Corp S Sale2014-01-062014-01-078,600$16.88 $145.2K1,268,219SEC↗
RPXC RPX Corp S Sale2013-12-242013-12-268,600$16.82 $144.7K1,276,819SEC↗
RPXC RPX Corp S Sale2013-12-232013-12-268,600$16.87 $145.1K1,285,419SEC↗
RPXC RPX Corp S Sale2013-12-132013-12-138,600$16.28 $140.0K1,294,019SEC↗
RPXC RPX Corp S Sale2013-12-122013-12-138,600$16.25 $139.8K1,302,619SEC↗
RPXC RPX Corp S Sale2013-11-272013-11-278,600$16.19 $139.2K1,311,219SEC↗
RPXC RPX Corp S Sale2013-11-262013-11-278,600$16.55 $142.3K1,319,819SEC↗
RPXC RPX Corp M Exercise deriv2013-11-202013-11-227,812— $0101,563SEC↗
RPXC RPX Corp F Tax w/h2013-11-202013-11-222,936$16.68 $49.0K1,328,419SEC↗
RPXC RPX Corp M Exercise2013-11-202013-11-227,812— $01,331,355SEC↗
RPXC RPX Corp S Sale2013-11-132013-11-138,600$17.00 $146.2K1,323,543SEC↗
RPXC RPX Corp S Sale2013-11-122013-11-138,600$16.84 $144.8K1,332,143SEC↗
RPXC RPX Corp S Sale2013-11-012013-11-048,600$17.42 $149.8K1,340,743SEC↗
RPXC RPX Corp S Sale2013-10-312013-11-048,600$18.04 $155.1K1,349,343SEC↗
RPXC RPX Corp S Sale2013-10-152013-10-158,600$17.83 $153.3K1,357,943SEC↗
RPXC RPX Corp S Sale2013-10-142013-10-158,600$17.80 $153.1K1,366,543SEC↗
RPXC RPX Corp S Sale2013-10-012013-10-018,600$17.61 $151.4K1,375,143SEC↗
RPXC RPX Corp S Sale2013-09-302013-10-018,600$17.51 $150.6K1,383,743SEC↗
RPXC RPX Corp S Sale2013-09-192013-09-198,600$17.75 $152.7K1,392,343SEC↗
RPXC RPX Corp S Sale2013-09-182013-09-198,600$17.56 $151.0K1,400,943SEC↗
RPXC RPX Corp S Sale2013-09-062013-09-068,600$16.09 $138.4K1,409,543SEC↗
RPXC RPX Corp S Sale2013-09-052013-09-068,600$16.22 $139.5K1,418,143SEC↗
RPXC RPX Corp S Sale2013-08-212013-08-212,961$15.84 $46.9K1,426,743SEC↗
RPXC RPX Corp M Exercise deriv2013-08-202013-08-217,813— $0109,375SEC↗
RPXC RPX Corp M Exercise2013-08-202013-08-217,813— $01,429,704SEC↗
RPXC RPX Corp S Sale2013-08-202013-08-218,600$15.72 $135.2K1,421,891SEC↗
RPXC RPX Corp S Sale2013-08-192013-08-218,600$15.69 $134.9K1,430,491SEC↗
RPXC RPX Corp S Sale2013-08-082013-08-088,600$16.12 $138.6K1,439,091SEC↗
RPXC RPX Corp S Sale2013-08-072013-08-088,600$15.96 $137.3K1,447,691SEC↗
RPXC RPX Corp S Sale2013-07-242013-07-258,600$18.74 $161.2K1,456,291SEC↗
RPXC RPX Corp S Sale2013-07-232013-07-258,600$18.91 $162.6K1,464,891SEC↗
RPXC RPX Corp S Sale2013-07-102013-07-108,600$17.24 $148.3K1,473,491SEC↗
RPXC RPX Corp S Sale2013-07-092013-07-108,600$17.01 $146.3K1,482,091SEC↗
RPXC RPX Corp S Sale2013-06-262013-06-278,600$16.37 $140.8K1,490,691SEC↗
RPXC RPX Corp S Sale2013-06-252013-06-278,600$16.31 $140.3K1,499,291SEC↗
RPXC RPX Corp S Sale2013-06-142013-06-178,600$15.93 $137.0K1,507,891SEC↗
RPXC RPX Corp S Sale2013-06-132013-06-178,600$15.71 $135.1K1,516,491SEC↗
RPXC RPX Corp S Sale2013-05-292013-05-308,600$15.17 $130.5K1,525,091SEC↗
RPXC RPX Corp S Sale2013-05-282013-05-308,600$15.17 $130.5K1,533,691SEC↗
RPXC RPX Corp S Sale2013-05-232013-05-233,055$15.04 $45.9K1,534,479SEC↗
RPXC RPX Corp M Exercise deriv2013-05-202013-05-227,812— $0117,188SEC↗
RPXC RPX Corp M Exercise2013-05-202013-05-227,812— $07,812SEC↗
RPXC RPX Corp S Sale2013-05-142013-05-158,600$15.01 $129.1K1,537,534SEC↗
RPXC RPX Corp S Sale2013-05-132013-05-158,600$14.97 $128.7K1,546,134SEC↗
RPXC RPX Corp S Sale2013-05-022013-05-038,600$15.56 $133.8K1,554,734SEC↗
RPXC RPX Corp S Sale2013-05-012013-05-038,600$14.54 $125.0K1,563,334SEC↗
RPXC RPX Corp S Sale2013-04-182013-04-188,600$13.15 $113.1K1,571,934SEC↗
RPXC RPX Corp S Sale2013-04-172013-04-188,600$12.97 $111.5K1,580,534SEC↗
RPXC RPX Corp S Sale2013-04-052013-04-098,600$13.58 $116.8K1,589,134SEC↗
RPXC RPX Corp S Sale2013-04-042013-04-098,600$13.65 $117.4K1,597,734SEC↗
RPXC RPX Corp G Gift2013-02-282013-04-09482,546— $00SEC↗
RPXC RPX Corp G Gift2013-02-212013-04-0911,463— $01,606,334SEC↗
RPXC RPX Corp S Sale2013-02-202013-02-2111,400$12.81 $146.0K1,368,067SEC↗
RPXC RPX Corp S Sale2013-02-192013-02-218,600$12.66 $108.9K1,379,467SEC↗
RPXC RPX Corp S Sale2013-02-072013-02-078,600$10.50 $90.3K1,388,067SEC↗
RPXC RPX Corp S Sale2013-02-062013-02-078,600$10.41 $89.5K1,396,667SEC↗
RPXC RPX Corp S Sale2013-01-232013-01-248,600$9.79 $84.2K1,422,467SEC↗
RPXC RPX Corp S Sale2013-01-222013-01-248,600$9.50 $81.7K1,431,067SEC↗
RPXC RPX Corp S Sale2013-01-092013-01-098,600$9.81 $84.4K1,422,467SEC↗
RPXC RPX Corp S Sale2013-01-082013-01-098,600$9.99 $85.9K1,431,067SEC↗
RPXC RPX Corp A Award deriv2013-01-072013-01-09125,000— $0125,000SEC↗
RPXC RPX Corp A Award deriv2013-01-072013-01-09125,000— $0125,000SEC↗
RPXC RPX Corp S Sale2012-12-272012-12-288,600$8.97 $77.1K1,439,667SEC↗
RPXC RPX Corp S Sale2012-12-262012-12-288,600$8.86 $76.2K1,448,267SEC↗
RPXC RPX Corp S Sale2012-12-122012-12-128,600$9.16 $78.8K1,456,867SEC↗
RPXC RPX Corp S Sale2012-12-112012-12-128,600$9.24 $79.5K1,465,467SEC↗
RPXC RPX Corp S Sale2012-11-282012-11-288,600$9.21 $79.2K1,474,067SEC↗
RPXC RPX Corp S Sale2012-11-272012-11-288,600$9.33 $80.2K1,482,667SEC↗
RPXC RPX Corp S Sale2012-11-142012-11-158,600$8.95 $77.0K1,491,267SEC↗
RPXC RPX Corp S Sale2012-11-132012-11-158,600$8.96 $77.1K1,499,867SEC↗
RPXC RPX Corp S Sale2012-10-312012-11-028,600$10.29 $88.5K1,508,467SEC↗
RPXC RPX Corp S Sale2012-10-172012-10-178,600$9.99 $85.9K1,517,067SEC↗
RPXC RPX Corp S Sale2012-10-162012-10-178,600$9.89 $85.1K1,525,667SEC↗
RPXC RPX Corp S Sale2012-10-032012-10-038,600$10.89 $93.7K1,534,267SEC↗
RPXC RPX Corp S Sale2012-10-022012-10-038,600$10.89 $93.7K1,542,867SEC↗
RPXC RPX Corp S Sale2012-09-192012-09-208,600$12.05 $103.6K1,551,467SEC↗
RPXC RPX Corp S Sale2012-09-182012-09-208,600$12.18 $104.7K1,560,067SEC↗
RPXC RPX Corp S Sale2012-09-052012-09-068,600$12.04 $103.5K1,568,667SEC↗
RPXC RPX Corp S Sale2012-09-042012-09-068,600$11.76 $101.1K1,577,267SEC↗
RPXC RPX Corp S Sale2012-06-272012-06-288,600$15.01 $129.1K1,585,867SEC↗