Insider Stock Trading History of Nierenberg David


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Nierenberg David since year 2005. The trader's CIK number is 1040899. At the time of this reporting, Nierenberg David is the of Rosetta Stone Inc . (stock ticker symbol RST). See this page for all insider trading activities at Rosetta Stone Inc .

Note that in the past Nierenberg David also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Nierenberg David since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-11-29 RST Rosetta Stone Inc Sale 46,800 11.99 561,132
2017-11-30 RST Rosetta Stone Inc Sale 75,414 11.97 902,705
2017-11-28 RST Rosetta Stone Inc Sale 77,786 12.06 938,099
2017-06-06 RST Rosetta Stone Inc Sale 13,543 12.01 162,651
2017-06-02 RST Rosetta Stone Inc Sale 27,409 12.06 330,552
2017-06-05 RST Rosetta Stone Inc Sale 29,389 12.03 353,549
2017-05-16 RST Rosetta Stone Inc Sale 5,771 12.01 69,309
2016-06-10 RVSB Riverview Bancorp Inc Buy 13,983 4.68 65,440
2016-06-09 RVSB Riverview Bancorp Inc Buy 345 4.68 1,613
2016-05-24 RVSB Riverview Bancorp Inc Buy 18,500 4.77 88,300
2016-05-23 RVSB Riverview Bancorp Inc Buy 200 4.71 942
2016-05-19 RVSB Riverview Bancorp Inc Buy 10,956 4.63 50,781
2016-05-20 RVSB Riverview Bancorp Inc Buy 15,100 4.69 70,819
2014-11-07 RSYS Radisys Corp Sale 801,176 2.45 1,962,881
2013-05-01 AACC Asset Acceptance Capital Corp Sale 324,428 6.47 2,099,049
2013-04-29 AACC Asset Acceptance Capital Corp Sale 348,702 6.48 2,259,588
2013-04-30 AACC Asset Acceptance Capital Corp Sale 151,557 6.47 980,573
2012-08-08 ESIO Electro Scientific Industries Inc Sale 50,000 12.00 600,000
2012-08-07 ESIO Electro Scientific Industries Inc Sale 55,000 12.20 671,000
2012-06-15 RSYS Radisys Corp Option Ex 2,500 .00 0
2010-03-08 BABY Natus Medical Inc Sale 129,718 14.40 1,867,939
2010-03-09 BABY Natus Medical Inc Sale 39,204 14.46 566,889
2010-03-05 BABY Natus Medical Inc Sale 48,852 14.40 703,468
2010-03-02 BABY Natus Medical Inc Sale 81,293 14.16 1,151,108
2010-03-03 BABY Natus Medical Inc Sale 81,263 14.36 1,166,936
2010-02-22 BABY Natus Medical Inc Sale 20,100 14.10 283,410
2010-02-24 BABY Natus Medical Inc Sale 8,607 14.02 120,670
2010-01-14 BABY Natus Medical Inc Sale 45,400 14.56 661,024
2010-01-15 BABY Natus Medical Inc Sale 38,340 14.50 555,930
2010-01-13 BABY Natus Medical Inc Sale 100,000 14.36 1,436,000
2009-04-30 BABY Natus Medical Inc Sale 500,000 8.90 4,450,000
2009-03-27 BABY Natus Medical Inc Sale 35,454 9.14 324,049
2009-03-31 BABY Natus Medical Inc Sale 45,800 8.69 398,002
2009-03-20 ESIO Electro Scientific Industries Inc Sale 5,200 6.01 31,252
2009-03-19 ESIO Electro Scientific Industries Inc Sale 25,323 6.14 155,483
2009-03-18 ESIO Electro Scientific Industries Inc Sale 55,000 6.06 333,300
2009-03-03 MDTH Medcath Corp Sale 70,000 6.94 485,800
2009-02-09 ESIO Electro Scientific Industries Inc Sale 15,149 6.31 95,590
2009-02-10 ESIO Electro Scientific Industries Inc Sale 1,098 6.31 6,928
2009-02-04 ESIO Electro Scientific Industries Inc Sale 60,000 6.41 384,600
2009-02-05 ESIO Electro Scientific Industries Inc Sale 41,953 6.39 268,079
2009-02-06 ESIO Electro Scientific Industries Inc Sale 49,920 6.47 322,982
2008-12-29 RSYS Radisys Corp Buy 4,300 4.50 19,350
2008-08-29 MDTH Medcath Corp Buy 1,900 21.48 40,812
2008-08-28 MDTH Medcath Corp Buy 1,901 21.47 40,814
2008-08-29 AACC Asset Acceptance Capital Corp Buy 1,750 10.80 18,900
2008-08-27 AACC Asset Acceptance Capital Corp Buy 2,000 10.53 21,060
2008-08-28 AACC Asset Acceptance Capital Corp Buy 1,750 10.79 18,882
2008-08-27 MDTH Medcath Corp Buy 1,900 21.00 39,900
2008-08-26 MDTH Medcath Corp Buy 500 20.96 10,480
2008-08-25 MDTH Medcath Corp Buy 1,600 20.94 33,504
2008-08-22 AACC Asset Acceptance Capital Corp Buy 2,400 10.86 26,064
2008-08-25 AACC Asset Acceptance Capital Corp Buy 2,400 10.44 25,056
2008-08-26 AACC Asset Acceptance Capital Corp Buy 2,500 10.33 25,825
2008-08-20 MDTH Medcath Corp Buy 1,900 21.00 39,900
2008-08-21 MDTH Medcath Corp Buy 2,000 20.77 41,540
2008-08-22 MDTH Medcath Corp Buy 599 20.90 12,519
2008-08-21 AACC Asset Acceptance Capital Corp Buy 2,400 10.80 25,920
2008-08-20 AACC Asset Acceptance Capital Corp Buy 2,400 10.84 26,016
2008-08-19 AACC Asset Acceptance Capital Corp Buy 5,000 10.88 54,400
2008-08-18 MDTH Medcath Corp Buy 3,700 21.09 78,033
2008-08-15 MDTH Medcath Corp Buy 1,600 21.47 34,352
2008-08-18 AACC Asset Acceptance Capital Corp Buy 6,977 11.13 77,654
2008-08-14 AACC Asset Acceptance Capital Corp Buy 3,200 11.01 35,232
2008-08-15 AACC Asset Acceptance Capital Corp Buy 3,200 11.29 36,128
2008-08-13 AACC Asset Acceptance Capital Corp Buy 4,400 10.78 47,432
2008-08-12 AACC Asset Acceptance Capital Corp Buy 4,400 10.95 48,180
2008-08-11 AACC Asset Acceptance Capital Corp Buy 4,700 11.62 54,613
2008-08-07 MDTH Medcath Corp Buy 26,925 18.03 485,457
2008-08-08 MDTH Medcath Corp Buy 100 18.53 1,853
2008-08-11 MDTH Medcath Corp Buy 1,100 20.50 22,550
2008-08-08 AACC Asset Acceptance Capital Corp Buy 2,800 10.90 30,520
2008-08-07 AACC Asset Acceptance Capital Corp Buy 8,000 10.42 83,360
2008-08-06 AACC Asset Acceptance Capital Corp Buy 3,000 10.53 31,589
2008-08-08 AACC Asset Acceptance Capital Corp Buy 2,800 10.90 30,520
2008-08-07 AACC Asset Acceptance Capital Corp Buy 8,000 10.42 83,360
2008-08-06 AACC Asset Acceptance Capital Corp Buy 3,000 10.53 31,589
2008-08-05 MDTH Medcath Corp Buy 2,800 19.00 53,200
2008-08-06 MDTH Medcath Corp Buy 100 19.22 1,922
2008-08-04 MDTH Medcath Corp Buy 2,800 18.93 53,004
2008-08-04 AACC Asset Acceptance Capital Corp Buy 4,700 11.50 54,050
2008-08-01 AACC Asset Acceptance Capital Corp Buy 3,600 11.79 42,444
2008-08-05 AACC Asset Acceptance Capital Corp Buy 20,206 10.56 213,375
2009-08-01 MDTH Medcath Corp Buy 1,500 18.72 28,080
2008-07-30 MDTH Medcath Corp Buy 2,700 18.51 49,977
2008-07-31 MDTH Medcath Corp Buy 975 18.47 18,008
2008-07-31 AACC Asset Acceptance Capital Corp Buy 2,319 11.71 27,155
2008-07-30 AACC Asset Acceptance Capital Corp Buy 3,900 11.72 45,708
2008-07-29 AACC Asset Acceptance Capital Corp Buy 1,000 11.32 11,320
2008-07-31 RSYS Radisys Corp Buy 5,000 11.50 57,500
2008-07-29 RSYS Radisys Corp Buy 34,564 10.32 356,700
2008-07-28 MOVE Homestore Inc Buy 18,653 2.40 44,767
2008-07-30 MOVE Homestore Inc Buy 415,000 2.40 996,000
2008-07-28 AACC Asset Acceptance Capital Corp Buy 8,960 11.28 101,068
2008-07-25 AACC Asset Acceptance Capital Corp Buy 7,000 11.52 80,640
2008-07-24 AACC Asset Acceptance Capital Corp Buy 9,040 11.73 106,039
2008-07-28 MDTH Medcath Corp Buy 2,300 18.46 42,458
2008-07-24 MDTH Medcath Corp Buy 2,300 18.46 42,458
2008-07-23 RSYS Radisys Corp Buy 15,880 9.64 153,083
2008-07-24 RSYS Radisys Corp Buy 24,934 9.73 242,607
2008-07-25 RSYS Radisys Corp Buy 24,622 9.72 239,325
2008-07-21 BRKS Brooks Automation Inc Buy 3,300 8.67 28,611
2008-07-22 BRKS Brooks Automation Inc Buy 4,700 8.67 40,749
2008-07-23 BRKS Brooks Automation Inc Buy 4,600 8.79 40,433
2008-07-21 AACC Asset Acceptance Capital Corp Buy 2,600 11.00 28,600
2008-07-22 AACC Asset Acceptance Capital Corp Buy 3,700 11.39 42,143
2008-07-23 AACC Asset Acceptance Capital Corp Buy 3,200 12.13 38,816
2008-07-23 MDTH Medcath Corp Buy 2,300 18.16 41,768
2008-07-22 MDTH Medcath Corp Buy 2,300 18.00 41,400
2008-07-21 MDTH Medcath Corp Buy 1,600 17.10 27,360
2008-07-21 ESIO Electro Scientific Industries Inc Buy 1,900 15.28 29,032
2008-07-22 ESIO Electro Scientific Industries Inc Buy 56,232 15.74 885,091
2008-07-23 ESIO Electro Scientific Industries Inc Buy 64,417 16.05 1,033,892
2008-07-21 MOVE Homestore Inc Buy 12,300 2.28 28,043
2008-07-22 MOVE Homestore Inc Buy 17,500 2.42 42,350
2008-07-23 MOVE Homestore Inc Buy 17,200 2.47 42,484
2008-07-16 AACC Asset Acceptance Capital Corp Buy 2,050 9.47 19,413
2008-07-14 MOVE Homestore Inc Buy 14,800 2.09 30,931
2008-07-15 MOVE Homestore Inc Buy 5,600 2.07 11,592
2008-07-15 AACC Asset Acceptance Capital Corp Buy 16,668 9.41 156,845
2008-07-14 AACC Asset Acceptance Capital Corp Buy 36,818 9.58 352,716
2008-07-11 AACC Asset Acceptance Capital Corp Buy 10,700 9.67 103,469
2008-07-09 ESIO Electro Scientific Industries Inc Buy 9,360 13.89 130,010
2008-07-10 ESIO Electro Scientific Industries Inc Buy 30,858 13.82 426,457
2008-07-11 ESIO Electro Scientific Industries Inc Buy 10,900 13.81 150,529
2008-07-08 AACC Asset Acceptance Capital Corp Buy 1,200 9.72 11,664
2008-07-09 AACC Asset Acceptance Capital Corp Buy 100 9.74 974
2008-07-10 AACC Asset Acceptance Capital Corp Buy 27,866 9.61 267,792
2008-07-01 AACC Asset Acceptance Capital Corp Buy 124,354 12.08 1,502,196
2008-07-02 AACC Asset Acceptance Capital Corp Buy 90,982 12.09 1,099,972
2008-07-03 AACC Asset Acceptance Capital Corp Buy 80,000 11.97 957,600
2008-06-30 AACC Asset Acceptance Capital Corp Buy 171,220 12.15 2,080,323
2008-06-27 AACC Asset Acceptance Capital Corp Buy 110,555 12.38 1,368,670
2008-06-26 AACC Asset Acceptance Capital Corp Buy 8,000 12.49 99,920
2008-06-30 AACC Asset Acceptance Capital Corp Buy 171,220 12.15 2,080,323
2008-06-27 AACC Asset Acceptance Capital Corp Buy 110,555 12.38 1,368,670
2008-06-26 AACC Asset Acceptance Capital Corp Buy 8,000 12.49 99,920
2008-06-25 MOVE Homestore Inc Buy 125,200 2.59 324,268
2008-06-26 MOVE Homestore Inc Buy 100,000 2.45 245,000
2008-06-27 MOVE Homestore Inc Buy 425,500 2.33 991,415
2008-06-23 AACC Asset Acceptance Capital Corp Buy 104 12.60 1,310
2008-06-25 AACC Asset Acceptance Capital Corp Buy 3,900 12.53 48,867
2008-06-24 AACC Asset Acceptance Capital Corp Buy 25,400 12.50 317,500
2008-06-24 MOVE Homestore Inc Buy 334,800 2.64 883,872
2008-06-20 MOVE Homestore Inc Buy 43,400 2.94 127,596
2008-06-23 MOVE Homestore Inc Buy 169,000 2.88 486,720
2008-06-18 AACC Asset Acceptance Capital Corp Buy 2,000 12.60 25,200
2008-06-19 AACC Asset Acceptance Capital Corp Buy 2,000 12.60 25,200
2008-06-20 AACC Asset Acceptance Capital Corp Buy 12,404 12.58 156,042
2008-06-18 MOVE Homestore Inc Buy 22,600 2.91 65,766
2008-06-17 MOVE Homestore Inc Buy 15,000 2.93 43,950
2008-06-16 MOVE Homestore Inc Buy 19,036 2.93 55,775
2008-06-12 MOVE Homestore Inc Buy 38,506 2.93 112,822
2008-06-13 MOVE Homestore Inc Buy 19,814 2.91 57,658
2008-06-11 MOVE Homestore Inc Buy 2,800 2.94 8,232
2008-06-11 AACC Asset Acceptance Capital Corp Buy 3,995 12.60 50,337
2008-06-10 AACC Asset Acceptance Capital Corp Buy 5,000 12.60 63,000
2008-06-09 AACC Asset Acceptance Capital Corp Buy 322 12.60 4,057
2008-06-06 MOVE Homestore Inc Buy 54,769 2.95 161,568
2008-06-09 MOVE Homestore Inc Buy 237,029 2.90 687,384
2008-06-10 MOVE Homestore Inc Buy 1,800 2.90 5,220
2008-05-02 MOVE Homestore Inc Buy 31,500 2.94 92,610
2008-06-04 MOVE Homestore Inc Buy 7,100 2.93 20,803
2008-06-02 MOVE Homestore Inc Buy 27,500 2.94 80,850
2008-06-03 MOVE Homestore Inc Buy 64,571 2.93 189,193
2008-05-28 MOVE Homestore Inc Buy 142,400 2.94 418,656
2008-05-29 MOVE Homestore Inc Buy 13,378 2.95 39,465
2008-05-27 MOVE Homestore Inc Buy 1,400 2.94 4,116
2008-05-22 MOVE Homestore Inc Buy 95,157 3.00 285,471
2008-05-23 MOVE Homestore Inc Buy 180,000 2.93 527,400
2008-05-19 AACC Asset Acceptance Capital Corp Buy 397,300 12.60 5,005,980
2008-05-21 MOVE Homestore Inc Buy 118,840 2.95 350,578
2008-05-20 MOVE Homestore Inc Buy 129,600 2.95 382,320
2008-05-19 MOVE Homestore Inc Buy 4,800 2.98 14,304
2008-05-15 AACC Asset Acceptance Capital Corp Buy 22,900 12.59 288,311
2008-05-16 AACC Asset Acceptance Capital Corp Buy 44,737 12.53 560,554
2008-05-14 AACC Asset Acceptance Capital Corp Buy 23,279 12.56 292,384
2008-05-09 AACC Asset Acceptance Capital Corp Buy 3,300 12.10 39,930
2008-05-08 AACC Asset Acceptance Capital Corp Buy 4,100 11.99 49,159
2008-05-07 AACC Asset Acceptance Capital Corp Buy 40,481 11.96 484,152
2008-05-07 MOVE Homestore Inc Buy 3,797,923 3.05 11,583,665
2008-04-30 AACC Asset Acceptance Capital Corp Buy 72,468 11.94 865,267
2008-04-29 AACC Asset Acceptance Capital Corp Buy 254,346 11.70 2,975,848
2008-04-22 MOVE Homestore Inc Buy 700 3.05 2,135
2008-04-22 AACC Asset Acceptance Capital Corp Buy 5,628 11.08 62,358
2008-04-23 AACC Asset Acceptance Capital Corp Buy 9,600 11.05 106,080
2008-04-24 AACC Asset Acceptance Capital Corp Buy 300 11.10 3,330
2008-04-14 AACC Asset Acceptance Capital Corp Buy 29,900 10.97 328,003
2008-04-04 BABY Natus Medical Inc Buy 175,000 18.27 3,197,250
2008-04-04 BABY Natus Medical Inc Buy 175,000 18.27 3,197,250
2008-04-04 BABY Natus Medical Inc Buy 175,000 18.27 3,197,250
2008-03-03 MDTH Medcath Corp Buy 92,100 19.83 1,826,342
2008-02-29 MDTH Medcath Corp Buy 7,900 20.77 164,083
2008-01-29 ESIO Electro Scientific Industries Inc Buy 100 16.03 1,603
2008-01-30 ESIO Electro Scientific Industries Inc Buy 34,900 16.03 559,447
2008-01-31 ESIO Electro Scientific Industries Inc Buy 400 15.96 6,384
2008-01-25 ESIO Electro Scientific Industries Inc Buy 71,513 16.08 1,149,929
2008-01-29 ESIO Electro Scientific Industries Inc Buy 69,900 16.03 1,120,497
2008-01-28 ESIO Electro Scientific Industries Inc Buy 70,087 16.03 1,123,494
2008-01-25 ESIO Electro Scientific Industries Inc Buy 71,513 16.08 1,149,929
2008-01-29 ESIO Electro Scientific Industries Inc Buy 69,900 16.03 1,120,497
2008-01-28 ESIO Electro Scientific Industries Inc Buy 70,087 16.03 1,123,494
2008-01-11 RSYS Radisys Corp Buy 600 12.20 7,320
2008-01-15 RSYS Radisys Corp Buy 701 12.25 8,587
2008-01-04 MDTH Medcath Corp Buy 26,387 23.64 623,788
2008-01-08 RSYS Radisys Corp Buy 3,300 12.94 42,702
2008-01-07 RSYS Radisys Corp Buy 12,180 12.98 158,096
2008-01-04 RSYS Radisys Corp Buy 11,000 12.96 142,560
2008-01-03 MDTH Medcath Corp Buy 24,235 23.96 580,670
2008-01-02 MDTH Medcath Corp Buy 8,800 24.05 211,640
2008-01-03 RSYS Radisys Corp Buy 18,207 13.06 237,783
2008-01-02 RSYS Radisys Corp Buy 1,500 13.10 19,650
2007-12-31 RSYS Radisys Corp Buy 18,398 13.30 244,693
2007-12-31 MDTH Medcath Corp Buy 3,432 24.10 82,711
2007-12-28 MDTH Medcath Corp Buy 43,646 24.08 1,050,995
2007-12-28 RSYS Radisys Corp Buy 29,933 13.29 397,809
2007-12-20 MDTH Medcath Corp Buy 1,164 22.75 26,481
2007-12-19 MDTH Medcath Corp Buy 18,438 22.70 418,542
2007-11-14 MDTH Medcath Corp Buy 450,000 22.47 10,111,500
2007-11-13 MDTH Medcath Corp Buy 70,250 26.30 1,847,575
2007-11-02 MDTH Medcath Corp Buy 46,508 26.15 1,216,184
2007-11-05 MDTH Medcath Corp Buy 4,500 26.31 118,395
2007-11-06 MDTH Medcath Corp Buy 600 26.33 15,797
2007-09-24 BABY Natus Medical Inc Buy 28,431 14.07 400,024
2007-09-25 BABY Natus Medical Inc Buy 8,000 14.04 112,320
2007-09-05 RSYS Radisys Corp Buy 200 10.80 2,160
2007-08-28 RSYS Radisys Corp Buy 930 10.59 9,848
2007-08-29 RSYS Radisys Corp Buy 12,166 10.69 130,054
2007-08-23 RSYS Radisys Corp Buy 25,367 10.58 268,382
2007-08-24 RSYS Radisys Corp Buy 7,040 10.59 74,553
2007-08-15 RSYS Radisys Corp Buy 15,197 10.88 165,343
2005-11-11 PSAI Pediatric Services Of America Inc Buy 19,725 15.04 296,762
2005-11-08 PSAI Pediatric Services Of America Inc Buy 23,276 15.06 350,466
2005-10-31 PSAI Pediatric Services Of America Inc Buy 124 14.75 1,829
2005-10-21 PSAI Pediatric Services Of America Inc Buy 1,000 15.00 15,000
2005-10-18 PSAI Pediatric Services Of America Inc Buy 300 14.96 4,488
2005-10-18 BABY Natus Medical Inc Buy 600,000 11.88 7,128,000
2005-10-14 PSAI Pediatric Services Of America Inc Buy 1,300 14.95 19,428
2005-10-04 PSAI Pediatric Services Of America Inc Buy 1,510 13.60 20,536
2005-09-28 PSAI Pediatric Services Of America Inc Buy 2,125 13.60 28,900
2005-09-21 PSAI Pediatric Services Of America Inc Buy 18,543 13.41 248,754
2005-09-14 PSAI Pediatric Services Of America Inc Buy 8,736 13.54 118,311
2005-09-02 CASA Mexican Restaurants Inc Buy 30,600 9.58 293,148
2005-09-06 PSAI Pediatric Services Of America Inc Buy 7,507 13.39 100,496
2005-08-31 CASA Mexican Restaurants Inc Buy 12,610 9.59 120,929
2005-08-31 PSAI Pediatric Services Of America Inc Buy 32,424 13.09 424,332
2005-08-24 CASA Mexican Restaurants Inc Buy 5,100 9.29 47,378
2005-08-18 CASA Mexican Restaurants Inc Buy 22,000 9.40 206,800
2005-08-16 BABY Natus Medical Inc Buy 28,200 10.10 284,820
2005-08-15 BABY Natus Medical Inc Buy 153,800 10.07 1,548,766
2005-04-15 PSAI Pediatric Services Of America Inc Buy 1,000 12.00 12,000
2005-04-13 BABY Natus Medical Inc Buy 49,000 7.69 376,810
2005-04-14 PSAI Pediatric Services Of America Inc Buy 4,600 12.00 55,200
2005-04-08 BABY Natus Medical Inc Buy 64,300 7.73 497,039
2005-04-05 PSAI Pediatric Services Of America Inc Buy 3,200 12.00 38,400
2005-04-05 BABY Natus Medical Inc Buy 48,900 7.86 384,500
2005-03-29 PSAI Pediatric Services Of America Inc Buy 1,300 12.00 15,600
2005-03-24 PSAI Pediatric Services Of America Inc Buy 5,900 11.99 70,770
2005-03-21 PSAI Pediatric Services Of America Inc Buy 9,800 11.96 117,257
2005-03-08 PSAI Pediatric Services Of America Inc Buy 4,600 12.00 55,200

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Nierenberg David ( of Rosetta Stone Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.