David Nierenberg's Net Worth
$110 Million
Who is David Nierenberg?
David Nierenberg has an estimated net worth of $110 Million. This is based on reported shares across multiple companies, which include ROSETTA STONE INC, NATUS MEDICAL INC, ELECTRO SCIENTIFIC INDUSTRIES INC, Houston Wire & Cable CO, FLOTEK INDUSTRIES INC/CN/, RIVERVIEW BANCORP INC, BROOKS AUTOMATION INC, RADISYS CORP, AMEDISYS INC, MEDCATH CORP, MOVE INC, ASSET ACCEPTANCE CAPITAL CORP, AMERICAN RESIDENTIAL INVESTMENT TRUST INC, GARDEN FRESH RESTAURANT CORP /DE/, PEDIATRIC SERVICES OF AMERICA INC, MEXICAN RESTAURANTS INC, VIRAGE INC, and POTBELLY CORP.
SEC CIK
David Nierenberg's CIK is 0001040899
Past Insider Trading and Trends
2005 was David Nierenberg's most active year for acquiring shares with 65 total transactions. David Nierenberg's most active month to acquire stocks was the month of April. 2004 was David Nierenberg's most active year for disposing of shares, totalling 20 transactions. David Nierenberg's most active month to dispose stocks was the month of April. 2005 saw David Nierenberg paying a total of $13,398,238.18 for 1,234,480 shares, this is the most they've acquired in one year. In 2004 David Nierenberg cashed out on 911,621 shares for a total of $12,236,083.09, their largest year based on trade value.
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ROSETTA STONE INC No price found
Investor
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
---|---|---|---|---|---|---|---|---|---|
Form 4
| -100.00% | -514.49K |
$30.00 | -$15,434,790.00 |
0
|
Oct 15
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jun 11
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
May 20
| |||
Form 4
| -17.24% | -107.14K |
$25.60 | -$2,742,358.46 | 514.49K |
May 15 - May 17
| |||
Form 4
| -13.00% | -92.86K |
$26.11 | -$2,425,385.29 | 621.63K |
May 10 - May 14
| |||
Form 4
| -15.46% | -88.19K |
$23.06 | -$2,033,273.35 | 482.4K |
Mar 13 - Mar 15
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jun 18
| |||
Form 4
| -15.75% | -150.00K |
$16.55 | -$2,482,500.00 | 802.68K |
May 29
| |||
Form 4
| -17.35% | -200.00K |
$12.01 | -$2,401,936.74 | 952.68K |
Nov 28 - Nov 30
| |||
Form 4
| -1.60% | -13.54K |
$12.01 | -$162,651.43 | 831.51K |
Jun 6
| |||
Form 4
| -6.30% | -56.80K |
$12.04 | -$684,102.21 | 845.05K |
Jun 2 - Jun 5
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
May 19
| |||
Form 4
| -0.64% | -5.77K |
$12.01 | -$69,309.71 | 901.85K |
May 16
| |||
Form 4
| -23.90% | -285.00K |
$12.13 | -$3,458,140.33 | 907.62K |
May 11 - May 15
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
May 19
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jun 12
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Apr 15
| |||
Form 3
|
—
|
0
|
—
|
—
|
0
| ||||
No matching records found |
NATUS MEDICAL INC No price found
Investor
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
---|---|---|---|---|---|---|---|---|---|
Form 4
| -7.53% | -217.77K |
$14.41 | -$3,138,297.84 | 2.67M |
Mar 5 - Mar 9
| |||
Form 4
| -6.23% | -162.56K |
$14.26 | -$2,318,045.56 | 2.44M |
Mar 2 - Mar 3
| |||
Form 4
| -1.09% | -28.71K |
$14.08 | -$404,080.14 | 2.61M |
Feb 22 - Feb 24
| |||
Form 4
| -1.49% | -40.00K |
$14.50 | -$580,000.00 | 2.64M |
Jan 22
| |||
Form 4
| -4.55% | -127.49K |
$14.60 | -$1,860,288.36 | 2.68M |
Jan 19 - Jan 20
| |||
Form 4
| -6.37% | -183.74K |
$14.45 | -$2,652,954.00 | 2.7M |
Jan 13 - Jan 15
| |||
Form 4
| -1.33% | -38.77K |
$14.98 | -$581,327.66 | 2.88M |
Jan 4 - Jan 5
| |||
Form 4
| -12.59% | -500.00K |
$8.90 | -$4,450,000.00 | 3.47M |
Apr 30
| |||
Form 4
| -5.48% | -81.25K |
$8.82 | -$722,051.56 | 1.4M |
Mar 27 - Mar 31
| |||
Form 4
| -16.11% | -150.00K |
$7.86 | -$1,178,850.00 | 781.08K |
Mar 16 - Mar 18
| |||
Form 4
| -2.77% | -26.55K |
$20.31 | -$539,169.57 | 931.08K |
Oct 14
| |||
Form 4
| +6.93% | 175K |
$18.27 | $3,197,250.00 | 2.7M |
Apr 4
| |||
Form 4
| +56.48% | 36.43K |
$14.06 | $512,344.17 | 100.93K |
Sep 24 - Sep 25
| |||
Form 4
| +140.67% | 37.7K |
$14.99 | $564,990.00 | 64.5K |
Jul 27 - Jul 30
| |||
Form 4
|
∞
| 26.8K |
$14.91 | $399,588.00 | 26.8K |
Jul 24
| |||
Form 4
| +5.83% | 225K |
$14.86 | $3,343,500.00 | 4.08M |
May 9
| |||
Form 4
| +12.41% | 350K |
$11.63 | $4,070,500.00 | 3.17M |
Aug 17
| |||
Form 4/A
| -0.00% | -3.00 |
—
|
—
| 3.04M |
Jun 30
| |||
Form 4
| -0.00% | -3.00 |
—
|
—
| 3.04M |
Jun 30
| |||
Form 4
| +20.63% | 600K |
$11.88 | $7,128,000.00 | 3.51M |
Oct 18
| |||
Form 4
| +0.98% | 28.2K |
$10.10 | $284,820.00 | 2.91M |
Aug 16
| |||
Form 4
| +5.64% | 153.8K |
$10.08 | $1,550,462.00 | 2.88M |
Aug 11 - Aug 15
| |||
Form 4
| +1.83% | 49K |
$7.69 | $376,810.00 | 2.73M |
Apr 13
| |||
Form 4
| +2.46% | 64.3K |
$7.74 | $497,610.00 | 2.68M |
Apr 6 - Apr 8
| |||
Form 4
| +1.91% | 48.9K |
$7.87 | $385,035.00 | 2.61M |
Apr 1 - Apr 5
| |||
Form 4
| +3.02% | 75K |
$6.99 | $524,250.00 | 2.56M |
Nov 16 - Nov 17
| |||
Form 4
| +4.95% | 117.1K |
$6.99 | $818,529.00 | 2.48M |
Nov 11 - Nov 15
| |||
Form 4
| +1.89% | 43.9K |
$7.00 | $307,300.00 | 2.37M |
Nov 9 - Nov 10
| |||
Form 4
| +0.17% | 3.99K |
$6.75 | $37,057.50 | 2.32M |
Nov 3 - Nov 4
| |||
Form 4
| +1.69% | 38.5K |
$6.80 | $261,700.00 | 2.32M |
Sep 30 - Oct 4
| |||
Form 3
|
—
|
0
|
—
|
—
|
0
| ||||
Form 4
| +1.40% | 18.33K |
$4.38 | $80,238.45 | 1.32M |
Jun 15
| |||
Form 4/A
| +35.92% | 345.3K |
$5.07 | $1,751,103.89 | 1.31M |
May 25 - May 27
| |||
Form 4
| -31.30% | -345.30K |
$5.07 | -$1,751,103.89 | 1.31M |
May 25 - May 27
| |||
Form 4
| -1.90% | -18.59K |
—
|
—
| 961.36K |
Jun 15 - Mar 3
| |||
Form 4
|
—
|
0
|
—
|
—
| 979.94K |
Jun 15 - Aug 25
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
| ||||
No matching records found |
ELECTRO SCIENTIFIC INDUSTRIES INC No price found
Investor
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
---|---|---|---|---|---|---|---|---|---|
Form 4
| +2.14% | 12K |
—
|
—
| 571.68K |
May 14
| |||
Form 4
| -62.34% | -253.08K |
—
|
—
| 152.9K |
Jan 30
| |||
Form 4
| -98.01% | -178.35K |
—
|
—
| 3.61K |
May 27
| |||
Form 4
| -98.01% | -178.35K |
—
|
—
| 3.61K |
May 27
| |||
Form 4
| +0.28% | 7.3K |
—
|
—
| 2.61M |
May 15
| |||
Form 4
| +0.00% | 31.75 |
—
|
—
| 2.04M |
Dec 4
| |||
Form 4
| +0.00% | 27.76 |
—
|
—
| 2.04M |
Sep 3
| |||
Form 4
| +0.29% | 7.5K |
—
|
—
| 2.6M |
May 9
| |||
Form 4
| +0.00% | 28.08 |
—
|
—
| 2.04M |
Mar 14
| |||
Form 4
| +0.05% | 1.3K |
—
|
—
| 2.77M |
Dec 27
| |||
Form 4
| +0.00% | 44.91 |
—
|
—
| 2.04M |
Dec 5
| |||
Form 4
| +0.00% | 38.79 |
—
|
—
| 2.04M |
Sep 10
| |||
Form 4
| -4.90% | -105.00K |
$12.10 | -$1,271,005.50 | 2.04M |
Aug 7 - Aug 8
| |||
Form 4
| -2.23% | -48.77K |
$12.66 | -$617,289.51 | 2.14M |
Jul 27 - Jul 31
| |||
Form 4
| +0.00% | 44 |
—
|
—
| 2.19M |
Jun 18
| |||
Form 4
| -3.42% | -117.82K |
$11.87 | -$1,398,821.77 | 3.33M |
May 25 - May 29
| |||
Form 4
| -0.14% | -4.13K |
$15.00 | -$61,995.00 | 2.87M |
Feb 24
| |||
Form 4
| -1.84% | -53.84K |
$15.02 | -$808,644.70 | 2.87M |
Feb 21 - Feb 23
| |||
Form 4
| -2.49% | -74.86K |
$15.20 | -$1,137,811.20 | 2.93M |
Feb 15 - Feb 17
| |||
Form 4
| -0.23% | -5.86K |
$15.28 | -$89,499.70 | 2.57M |
Feb 9 - Feb 13
| |||
Form 4
| -3.79% | -101.36K |
$15.82 | -$1,603,081.00 | 2.58M |
Feb 2 - Feb 6
| |||
Form 4
| -5.21% | -147.08K |
$15.27 | -$2,244,193.40 | 2.68M |
Jan 30 - Feb 1
| |||
Form 4
| +0.14% | 4.9K |
—
|
—
| 3.4M |
May 12
| |||
Form 4
|
—
|
0
|
$13.02 |
—
| 3.25M |
Nov 5
| |||
Form 4
| +0.33% | 12.5K |
—
|
—
| 3.82M |
Feb 24
| |||
Form 4
| -6.87% | -85.52K |
$6.09 | -$520,035.22 | 1.16M |
Mar 18 - Mar 20
| |||
Form 4
| -2.45% | -16.25K |
$6.31 | -$102,518.57 | 646.29K |
Feb 9 - Feb 10
| |||
Form 4
| -18.65% | -151.87K |
$6.42 | -$975,662.07 | 662.54K |
Feb 4 - Feb 6
| |||
Form 4
| +2.19% | 64.45K |
$15.94 | $1,027,348.94 | 3.01M |
Jul 24
| |||
Form 4
| +4.97% | 122.55K |
$15.97 | $1,948,016.53 | 2.59M |
Jul 21 - Jul 23
| |||
Form 4
| +2.24% | 51.12K |
$13.83 | $706,996.96 | 2.33M |
Jul 9 - Jul 11
| |||
Form 4
| +1.50% | 35.4K |
$16.02 | $567,434.00 | 2.4M |
Jan 29 - Jan 31
| |||
Form 4
| +9.82% | 211.5K |
$16.06 | $3,393,920.65 | 2.37M |
Jan 25 - Jan 29
| |||
Form 4
| +30.04% | 24.5K |
$18.24 | $446,801.70 | 106.04K |
Jan 4 - Jan 8
| |||
Form 4
| +11.64% | 8.5K |
$18.91 | $160,715.00 | 81.55K |
Nov 21 - Nov 26
| |||
Form 4
| +134.12% | 41.85K |
$19.47 | $814,814.62 | 73.05K |
Nov 8 - Nov 9
| |||
Form 4
|
∞
| 31.2K |
$20.17 | $629,304.00 | 31.2K |
Nov 1
| |||
Form 4
| +2.44% | 82.4K |
$18.77 | $1,545,760.00 | 3.46M |
Mar 27 - Mar 29
| |||
Form 4
| +6.80% | 215K |
$19.53 | $4,199,150.00 | 3.37M |
Jan 18 - Jan 22
| |||
Form 3
|
—
|
0
|
—
|
—
|
0
| ||||
No matching records found |
Houston Wire & Cable CO No price found
Investor
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
---|---|---|---|---|---|---|---|---|---|
Form 4
| -100.00% | -2.04M |
—
|
—
|
0
|
Jun 15
| |||
Form 4
| +24.33% | 399.8K |
$2.00 | $799,600.00 | 2.04M |
Mar 16
| |||
Form 3
|
—
|
0
|
—
|
—
|
0
| ||||
No matching records found |
FLOTEK INDUSTRIES INC/CN/ (FTK) Snapshot price: $4.08
Investor
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
---|---|---|---|---|---|---|---|---|---|
Form 4
| +1.59% | 19.48K |
$3.72 | $72,469.32 | 1.25M |
Dec 14
| |||
Form 4
| +4.68% | 54.86K |
$3.41 | $189,189.38 | 1.23M |
Dec 11 - Dec 13
| |||
Form 4
| +135.09% | 241.1K |
—
|
—
| 419.56K |
Jul 1
| |||
Form 4
| -9.94% | -750.00K |
$0.63 | -$468,750.00 | 6.79M |
Jun 7
| |||
Form 4
| +7.97% | 13.18K |
—
|
—
| 178.47K |
Jan 20
| |||
Form 4
|
∞
| 165.29K |
—
|
—
| 165.29K |
Aug 4
| |||
Form 4
| +57.70% | 2.79M |
—
|
—
| 7.63M |
Mar 21
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Feb 2
| |||
Form 4
| +66.38% | 103.77K |
—
|
—
| 260.11K |
Jun 3
| |||
Form 4
| +1.06% | 49.23K |
$2.05 | $100,923.55 | 4.68M |
Nov 30
| |||
Form 4
| +3.33% | 149.56K |
$1.99 | $297,624.40 | 4.64M |
Nov 23
| |||
Form 4
| +2.64% | 115.32K |
$2.48 | $286,534.13 | 4.49M |
Sep 11 - Sep 15
| |||
Form 4
| +1.61% | 69.34K |
$2.43 | $168,761.20 | 4.37M |
Sep 8 - Sep 10
| |||
Form 4
| +3.95% | 163.42K |
$2.40 | $391,810.30 | 4.3M |
Sep 1 - Sep 3
| |||
Form 4
| +20.02% | 690.15K |
$2.00 | $1,378,133.37 | 4.14M |
Aug 20 - Aug 24
| |||
Form 4
| +135.27% | 89.89K |
—
|
—
| 156.34K |
May 5
| |||
Form 4
| +40.86% | 1M |
$0.97 | $973,536.23 | 3.45M |
Mar 11 - Mar 13
| |||
Form 4
| +4.86% | 113.5K |
$2.50 | $284,418.00 | 2.45M |
Sep 13 - Sep 16
| |||
Form 4
| +12.98% | 268.2K |
$2.39 | $642,330.00 | 2.33M |
Sep 10 - Sep 12
| |||
Form 4/A
|
∞
| 40.32K |
—
|
—
| 40.32K |
Jun 1
| |||
Form 4/A
| +164.79% | 66.45K |
—
|
—
| 106.77K |
May 24
| |||
Form 4
| +5.69% | 111.25K |
$3.60 | $400,457.00 | 2.07M |
Jun 7 - Jun 10
| |||
Form 4
| +10.86% | 187.5K |
$3.44 | $645,610.00 | 1.91M |
Jun 4 - Jun 6
| |||
Form 4
| +6.23% | 101.25K |
$3.12 | $316,228.50 | 1.73M |
May 30 - Jun 3
| |||
Form 4
| +164.79% | 66.45K |
—
|
—
| 106.77K |
May 24
| |||
Form 4
|
∞
| 40.32K |
—
|
—
| 40.32K |
Jun 1
| |||
Form 3
|
—
|
0
|
—
|
—
|
0
| ||||
No matching records found |