Matthew J Pfeffer's Net Worth

$5.65 Million

Estimate Recalculated May 27, 2025 06:27PM EST

Who is Matthew J Pfeffer?

Matthew J Pfeffer has an estimated net worth of $5.65 Million. This is based on reported shares across multiple companies, which include Divine Skin Inc., MANNKIND CORP, SECOND SIGHT MEDICAL PRODUCTS INC, VAXGEN INC, GENELABS TECHNOLOGIES INC /CA, and CELL GENESYS INC.

SEC CIK

Matthew J Pfeffer's CIK is 0001192063

Past Insider Trading and Trends

2014 was Matthew J Pfeffer's most active year for acquiring shares with 12 total transactions. Matthew J Pfeffer's most active month to acquire stocks was the month of July. 2014 was Matthew J Pfeffer's most active year for disposing of shares, totalling 10 transactions. Matthew J Pfeffer's most active month to dispose stocks was the month of July. 2016 saw Matthew J Pfeffer paying a total of $1,887,248.78 for 1,992,028 shares, this is the most they've acquired in one year. In 2014 Matthew J Pfeffer cashed out on 281,559 shares for a total of $2,543,561.67, their largest year based on trade value.

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DS HEALTHCARE GROUP, INC. No price found

Investor

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
+100.00%
5K
—
—
10K
Feb 5
Form 4/A
∞
5K
—
—
5K
Nov 27
Form 4
—
0
—
—
0
Nov 27
Form 3
—
0
—
—
0
No matching records found

MANNKIND CORP (MNKD) Snapshot price: $5.85

CEO, CFO, Director

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
-0.37%
-303.00
$1.55
-$469.65
81.96K
Aug 28
Form 4
+2.04%
1.65K
$1.34
$1,953.12
82.26K
Jun 30 - Aug 22
Form 4
+1.14%
4.54K
$0.54
$2,451.60
403.08K
Jan 3
Form 4
+6.70%
25K
$0.99
$24,650.00
398K
Aug 15
Form 4
—
0
—
—
0
Feb 18
Form 4
+3.08%
11.15K
$4.00
-$19,830.34
373K
Aug 16 - Aug 27
Form 4
+2.56%
9.03K
$6.43
-$38,419.25
361.85K
Feb 3 - Feb 23
Form 4
+43.71%
113.73K
$8.52
-$987,540.63
373.93K
Aug 11 - Aug 22
Form 4
-2.49%
-6.13K
$6.96
-$42,693.04
240.2K
Aug 16 - Aug 19
Form 4
+20.19%
119.54K
$10.00
-$1,094,560.00
711.57K
Oct 14 - Jun 27
Form 4
-13.63%
-20.00K
$10.44
-$208,768.00
126.78K
Jul 1
Form 4
+0.36%
527
$4.42
$2,329.34
146.78K
Jun 30
Form 4
-6.40%
-10.00K
$6.37
-$187,700.00
146.26K
Jun 4 - Jun 5
Form 4
+0.31%
487
$4.53
$2,206.11
156.26K
Dec 31
Form 4
+78.82%
68.66K
$4.88
-$201,729.44
155.77K
Nov 21
Form 4
+11.52%
9K
—
—
87.11K
Aug 22
Form 4
-6.63%
-5.55K
$6.02
-$33,390.68
78.11K
Aug 16 - Aug 19
Form 4
—
0
$5.43
-$51,400.00
83.65K
Aug 1
Form 4
-10.68%
-10.00K
$7.00
-$70,000.00
83.65K
Jul 2
Form 4
+8.64%
7.45K
$1.96
$14,598.08
93.65K
Jun 30
Form 4
-10.39%
-10.00K
$5.00
-$50,000.00
86.21K
May 15
Form 4
+1.11%
1.06K
$1.95
$2,059.20
96.21K
Dec 31
Form 4
+21.75%
17K
—
—
95.15K
Aug 16
Form 4
+1.37%
1.05K
$1.95
$2,055.30
78.15K
Jun 30
Form 4
—
0
—
—
0
May 17
Form 4
+28.73%
17K
—
—
76.17K
Aug 18
Form 4
+36.02%
15.5K
—
—
58.53K
Mar 3
Form 4
—
0
$6.43
-$44,982.00
43.03K
Jan 18
Form 4
+38.59%
11.9K
$5.97
-$6,572.97
42.73K
Aug 19
Form 4/A
—
0
$6.43
-$44,982.00
28.86K
May 18 - Feb 17
Form 4
—
0
$5.72
-$53,928.00
28.86K
May 18 - Feb 17
Form 4/A
+15.42%
3.85K
$5.83
-$12,505.35
28.86K
May 18
Form 4
+71.19%
12K
—
—
28.86K
Aug 19
Form 4
+48.61%
3.85K
—
—
11.79K
May 18
Form 4
—
0
—
—
0
Aug 13
Form 4
∞
4.5K
—
—
4.5K
Apr 28
Form 3
—
0
—
—
0
No matching records found

SECOND SIGHT MEDICAL PRODUCTS INC (VANI) Snapshot price: $1.25

Investor

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
—
0
—
—
0
Jun 4
Form 4
+42.93%
35.53K
—
—
118.3K
Jun 1 - Jun 2
Form 4
+259.19%
59.73K
$1.17
$69,997.70
82.77K
Jun 1
Form 4
+31.97%
5.58K
$1.47
$8,205.54
23.04K
Mar 14
Form 4
∞
17.46K
$3.95
$68,997.14
17.46K
Jun 1
Form 3
—
0
—
—
0
No matching records found

VAXGEN INC No price found

SENIOR VICE PRESIDENT AND CFO

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
+100.00%
10K
$0.46
$4,600.00
20K
Dec 4
Form 4
∞
10K
$0.60
$6,000.00
10K
Nov 15
Form 4
—
0
—
—
0
Feb 12
Form 4
—
0
—
—
0
Mar 30
Form 3
—
0
—
—
0
No matching records found

GENELABS TECHNOLOGIES INC /CA No price found

Investor

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
-100.00%
-10.00K
$1.30
-$13,000.00
0
Jan 6
Form 4
—
0
—
—
0
Jun 30
Form 4
—
0
—
—
0
Jul 27
Form 3
—
0
—
—
0
No matching records found