David Nierenberg

RST 19,385 shares
FTK 50,044 shares
RVSB 100,879 shares
HWCC 64,216 shares

The estimated Net Worth of David Nierenberg is at least $1,421,459.21. David Nierenberg owns over 19,385 units of Rosetta Stone Inc. stock worth over $442,365.70.

Transaction DateCompanySharesTypeOwnedPriceValuePost Value
15th March 2019RST - Rosetta Stone Inc.828Open or private sale19,385$22.82$18,894.96$442,365.70
15th March 2019RST - Rosetta Stone Inc.19,978Open or private sale463,013$22.82$455,897.96$10,565,956.66
14th March 2019RST - Rosetta Stone Inc.1,329Open or private sale20,213$22.72$30,194.88$459,239.36
14th March 2019RST - Rosetta Stone Inc.30,320Open or private sale482,991$22.72$688,870.40$10,973,555.52
13th March 2019RST - Rosetta Stone Inc.1,538Open or private sale21,542$23.49$36,127.62$506,021.58
13th March 2019RST - Rosetta Stone Inc.34,197Open or private sale513,311$23.49$803,287.53$12,057,675.39
24th May 2019FTK - Flotek Industries, Inc.66,449Grant/award etc.106,772$0.00
3rd June 2019FTK - Flotek Industries, Inc.1,178Open or private purchase50,044$3.19$3,757.82$159,640.36
31st May 2019FTK - Flotek Industries, Inc.891Open or private purchase48,866$3.06$2,726.46$149,529.96
30th May 2019FTK - Flotek Industries, Inc.516Open or private purchase47,975$3.08$1,589.28$147,763.00
3rd June 2019FTK - Flotek Industries, Inc.21,302Open or private purchase1,176,738$3.19$67,953.38$3,753,794.22
31st May 2019FTK - Flotek Industries, Inc.16,109Open or private purchase1,155,436$3.06$49,293.54$3,535,634.16
30th May 2019FTK - Flotek Industries, Inc.9,324Open or private purchase1,139,327$3.08$28,717.92$3,509,127.16
3rd June 2019FTK - Flotek Industries, Inc.23,670Open or private purchase500,058$3.19$75,507.30$1,595,185.02
31st May 2019FTK - Flotek Industries, Inc.17,900Open or private purchase476,388$3.06$54,774.00$1,457,747.28
30th May 2019FTK - Flotek Industries, Inc.10,360Open or private purchase458,488$3.08$31,908.80$1,412,143.04
6th June 2019FTK - Flotek Industries, Inc.1,047Open or private purchase54,830$3.42$3,580.74$187,518.60
5th June 2019FTK - Flotek Industries, Inc.1,276Open or private purchase53,783$3.43$4,376.68$184,475.69
4th June 2019FTK - Flotek Industries, Inc.2,463Open or private purchase52,507$3.46$8,521.98$181,674.22
6th June 2019FTK - Flotek Industries, Inc.18,925Open or private purchase1,263,285$3.42$64,723.50$4,320,434.70
5th June 2019FTK - Flotek Industries, Inc.23,079Open or private purchase1,244,360$3.43$79,160.97$4,268,154.80
4th June 2019FTK - Flotek Industries, Inc.44,543Open or private purchase1,221,281$3.46$154,118.78$4,225,632.26
6th June 2019FTK - Flotek Industries, Inc.21,028Open or private purchase596,225$3.42$71,915.76$2,039,089.50
5th June 2019FTK - Flotek Industries, Inc.25,645Open or private purchase575,197$3.43$87,962.35$1,972,925.71
4th June 2019FTK - Flotek Industries, Inc.49,494Open or private purchase549,552$3.46$171,249.24$1,901,449.92
10th June 2019FTK - Flotek Industries, Inc.764Open or private purchase58,817$3.68$2,811.52$216,446.56
7th June 2019FTK - Flotek Industries, Inc.2,075Open or private purchase58,053$3.57$7,407.75$207,249.21
10th June 2019FTK - Flotek Industries, Inc.13,825Open or private purchase1,340,807$3.68$50,876.00$4,934,169.76
7th June 2019FTK - Flotek Industries, Inc.37,527Open or private purchase1,326,982$3.57$133,971.39$4,737,325.74
10th June 2019FTK - Flotek Industries, Inc.15,361Open or private purchase666,289$3.68$56,528.48$2,451,943.52
7th June 2019FTK - Flotek Industries, Inc.41,698Open or private purchase650,928$3.57$148,861.86$2,323,812.96
14th May 2019RST - Rosetta Stone Inc.492Open or private sale16,859$25.37$12,482.04$427,712.83
14th May 2019RST - Rosetta Stone Inc.11,793Open or private sale404,384$25.37$299,188.41$10,259,222.08
14th May 2019RST - Rosetta Stone Inc.5,844Open or private sale200,391$25.37$148,262.28$5,083,919.67
13th May 2019RST - Rosetta Stone Inc.561Open or private sale17,351$26.04$14,608.44$451,820.04
13th May 2019RST - Rosetta Stone Inc.9,503Open or private sale416,177$26.04$247,458.12$10,837,249.08
13th May 2019RST - Rosetta Stone Inc.7,362Open or private sale206,235$26.04$191,706.48$5,370,359.40
10th May 2019RST - Rosetta Stone Inc.1,473Open or private sale17,912$26.38$38,857.74$472,518.56
10th May 2019RST - Rosetta Stone Inc.37,333Open or private sale425,680$26.38$984,844.54$11,229,438.40
10th May 2019RST - Rosetta Stone Inc.18,498Open or private sale213,597$26.38$487,977.24$5,634,688.86
17th May 2019RST - Rosetta Stone Inc.1,052Open or private sale13,954$25.75$27,089.00$359,315.50
17th May 2019RST - Rosetta Stone Inc.25,236Open or private sale334,692$25.75$649,827.00$8,618,319.00
17th May 2019RST - Rosetta Stone Inc.12,504Open or private sale165,847$25.75$321,978.00$4,270,560.25
16th May 2019RST - Rosetta Stone Inc.1,223Open or private sale15,006$25.60$31,308.80$384,153.60
16th May 2019RST - Rosetta Stone Inc.29,357Open or private sale359,928$25.60$751,539.20$9,214,156.80
16th May 2019RST - Rosetta Stone Inc.14,547Open or private sale178,351$25.60$372,403.20$4,565,785.60
15th May 2019RST - Rosetta Stone Inc.630Open or private sale16,229$25.33$15,957.90$411,080.57
15th May 2019RST - Rosetta Stone Inc.15,099Open or private sale389,285$25.33$382,457.67$9,860,589.05
15th May 2019RST - Rosetta Stone Inc.7,493Open or private sale192,898$25.33$189,797.69$4,886,106.34
12th September 2019FTK - Flotek Industries, Inc.3,243Open or private purchase67,974$2.45$7,945.35$166,536.30
11th September 2019FTK - Flotek Industries, Inc.3,831Open or private purchase64,731$2.40$9,194.40$155,354.40
10th September 2019FTK - Flotek Industries, Inc.2,083Open or private purchase60,900$2.30$4,790.90$140,070.00
12th September 2019FTK - Flotek Industries, Inc.52,670Open or private purchase1,489,501$2.45$129,041.50$3,649,277.45
11th September 2019FTK - Flotek Industries, Inc.62,205Open or private purchase1,436,831$2.40$149,292.00$3,448,394.40
10th September 2019FTK - Flotek Industries, Inc.33,819Open or private purchase1,374,626$2.30$77,783.70$3,161,639.80
12th September 2019FTK - Flotek Industries, Inc.39,087Open or private purchase776,638$2.45$95,763.15$1,902,763.10
11th September 2019FTK - Flotek Industries, Inc.46,164Open or private purchase737,551$2.40$110,793.60$1,770,122.40
10th September 2019FTK - Flotek Industries, Inc.25,098Open or private purchase691,387$2.30$57,725.40$1,590,190.10
16th September 2019FTK - Flotek Industries, Inc.266Open or private purchase71,545$2.54$675.64$181,724.30
13th September 2019FTK - Flotek Industries, Inc.3,305Open or private purchase71,279$2.50$8,262.50$178,197.50
16th September 2019FTK - Flotek Industries, Inc.12,227Open or private purchase1,555,395$2.54$31,056.58$3,950,703.30
13th September 2019FTK - Flotek Industries, Inc.53,667Open or private purchase1,543,168$2.50$134,167.50$3,857,920.00
16th September 2019FTK - Flotek Industries, Inc.4,207Open or private purchase820,673$2.54$10,685.78$2,084,509.42
13th September 2019FTK - Flotek Industries, Inc.39,828Open or private purchase816,466$2.50$99,570.00$2,041,165.00
4th September 2019RVSB - Riverview Bancorp, Inc.20,000Open or private purchase100,879$6.85$137,000.00$691,021.15
15th September 2020FTK - Flotek Industries, Inc.717Open or private purchase134,431$2.53$1,814.01$340,110.43
14th September 2020FTK - Flotek Industries, Inc.1,287Open or private purchase133,714$2.51$3,230.37$335,622.14
11th September 2020FTK - Flotek Industries, Inc.1,452Open or private purchase132,427$2.44$3,542.88$323,121.88
15th September 2020FTK - Flotek Industries, Inc.15,473Open or private purchase2,901,996$2.53$39,146.69$7,342,049.88
14th September 2020FTK - Flotek Industries, Inc.27,777Open or private purchase2,886,523$2.51$69,720.27$7,245,172.73
11th September 2020FTK - Flotek Industries, Inc.31,352Open or private purchase2,858,746$2.44$76,498.88$6,975,340.24
15th September 2020FTK - Flotek Industries, Inc.7,728Open or private purchase1,449,414$2.53$19,551.84$3,667,017.42
14th September 2020FTK - Flotek Industries, Inc.13,873Open or private purchase1,441,686$2.51$34,821.23$3,618,631.86
11th September 2020FTK - Flotek Industries, Inc.15,659Open or private purchase1,427,813$2.44$38,207.96$3,483,863.72
13th March 2020FTK - Flotek Industries, Inc.151,601Open or private purchase2,222,214$1.01$153,117.01$2,244,436.14
12th March 2020FTK - Flotek Industries, Inc.151,600Open or private purchase2,070,613$0.90$136,440.00$1,863,551.70
11th March 2020FTK - Flotek Industries, Inc.363,618Open or private purchase1,919,013$0.99$359,981.82$1,899,822.87
13th March 2020FTK - Flotek Industries, Inc.7,146Open or private purchase104,755$1.01$7,217.46$105,802.55
12th March 2020FTK - Flotek Industries, Inc.7,146Open or private purchase97,609$0.90$6,431.40$87,848.10
11th March 2020FTK - Flotek Industries, Inc.18,918Open or private purchase90,463$0.99$18,728.82$89,558.37
13th March 2020FTK - Flotek Industries, Inc.76,451Open or private purchase1,120,644$1.01$77,215.51$1,131,850.44
12th March 2020FTK - Flotek Industries, Inc.76,451Open or private purchase1,044,193$0.90$68,805.90$939,773.70
11th March 2020FTK - Flotek Industries, Inc.147,069Open or private purchase967,742$0.99$145,598.31$958,064.58
16th March 2020HWCC - Houston Wire & Cable Co.31,950Open or private purchase64,216$2.00$63,900.00$128,432.00
16th March 2020HWCC - Houston Wire & Cable Co.252,800Open or private purchase1,314,254$2.00$505,600.00$2,628,508.00
16th March 2020HWCC - Houston Wire & Cable Co.115,050Open or private purchase664,888$2.00$230,100.00$1,329,776.00
16th March 2020RVSB - Riverview Bancorp, Inc.13,865Open or private purchase130,869$4.90$67,938.50$641,258.10
13th March 2020RVSB - Riverview Bancorp, Inc.16,135Open or private purchase117,004$5.05$81,481.75$590,870.20
5th May 2020FTK - Flotek Industries, Inc.89,888Grant/award etc.156,337$0.00
24th August 2020FTK - Flotek Industries, Inc.9,524Open or private purchase124,000$2.11$20,095.64$261,640.00
21st August 2020FTK - Flotek Industries, Inc.5,615Open or private purchase114,476$1.95$10,949.25$223,228.20
20th August 2020FTK - Flotek Industries, Inc.4,106Open or private purchase108,861$1.85$7,596.10$201,392.85
24th August 2020FTK - Flotek Industries, Inc.205,587Open or private purchase2,676,814$2.11$433,788.57$5,648,077.54
21st August 2020FTK - Flotek Industries, Inc.121,204Open or private purchase2,471,227$1.95$236,347.80$4,818,892.65
20th August 2020FTK - Flotek Industries, Inc.127,809Open or private purchase2,350,023$1.85$236,446.65$4,347,542.55
24th August 2020FTK - Flotek Industries, Inc.102,681Open or private purchase1,336,946$2.11$216,656.91$2,820,956.06
21st August 2020FTK - Flotek Industries, Inc.60,536Open or private purchase1,234,265$1.95$118,045.20$2,406,816.75
20th August 2020FTK - Flotek Industries, Inc.53,085Open or private purchase1,173,729$1.85$98,207.25$2,171,398.65
3rd September 2020FTK - Flotek Industries, Inc.473Open or private purchase128,897$2.39$1,130.47$308,063.83
2nd September 2020FTK - Flotek Industries, Inc.4,352Open or private purchase128,424$2.40$10,444.80$308,217.60
1st September 2020FTK - Flotek Industries, Inc.72Open or private purchase124,072$2.30$165.60$285,365.60
3rd September 2020FTK - Flotek Industries, Inc.10,202Open or private purchase2,782,535$2.39$24,382.78$6,650,258.65
2nd September 2020FTK - Flotek Industries, Inc.93,966Open or private purchase2,772,333$2.40$225,518.40$6,653,599.20
1st September 2020FTK - Flotek Industries, Inc.1,553Open or private purchase2,678,367$2.30$3,571.90$6,160,244.10
3rd September 2020FTK - Flotek Industries, Inc.5,095Open or private purchase1,389,748$2.39$12,177.05$3,321,497.72
2nd September 2020FTK - Flotek Industries, Inc.46,932Open or private purchase1,384,653$2.40$112,636.80$3,323,167.20
1st September 2020FTK - Flotek Industries, Inc.775Open or private purchase1,337,721$2.30$1,782.50$3,076,758.30
10th September 2020FTK - Flotek Industries, Inc.366Open or private purchase130,975$2.48$907.68$324,818.00
9th September 2020FTK - Flotek Industries, Inc.1,360Open or private purchase130,609$2.43$3,304.80$317,379.87
8th September 2020FTK - Flotek Industries, Inc.352Open or private purchase129,249$2.40$844.80$310,197.60
10th September 2020FTK - Flotek Industries, Inc.7,893Open or private purchase2,827,394$2.48$19,574.64$7,011,937.12
9th September 2020FTK - Flotek Industries, Inc.29,370Open or private purchase2,819,501$2.43$71,369.10$6,851,387.43
8th September 2020FTK - Flotek Industries, Inc.7,596Open or private purchase2,790,131$2.40$18,230.40$6,696,314.40
10th September 2020FTK - Flotek Industries, Inc.3,941Open or private purchase1,412,154$2.48$9,773.68$3,502,141.92
9th September 2020FTK - Flotek Industries, Inc.14,670Open or private purchase1,408,213$2.43$35,648.10$3,421,957.59
8th September 2020FTK - Flotek Industries, Inc.3,795Open or private purchase1,393,543$2.40$9,108.00$3,344,503.20