David Nierenberg's Net Worth

$110 Million

Estimate Recalculated Sep 18, 2024 04:27PM EST

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