John M Duffey's Net Worth

$46.3 Million

Estimate Recalculated Feb 7, 2024 03:45PM EST

Who is John M Duffey?

John M Duffey has an estimated net worth of $46.3 Million. This is based on reported shares across multiple companies, which include DADE BEHRING HOLDINGS INC, and Six Flags Entertainment Corp.

SEC CIK

John M Duffey's CIK is 0001205656

Past Insider Trading and Trends

2012 was John M Duffey's most active year for acquiring shares with 7 total transactions. John M Duffey's most active month to acquire stocks was the month of January. 2007 was John M Duffey's most active year for disposing of shares, totalling 7 transactions. John M Duffey's most active month to dispose stocks was the month of September. 2004 saw John M Duffey paying a total of $3,421,747.52 for 107,116 shares, this is the most they've acquired in one year. In 2015 John M Duffey cashed out on 367,646 shares for a total of $10,220,262.70, their largest year based on trade value.

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DADE BEHRING HOLDINGS INC No price found

Senior Vice President and CFO

John M Duffey used to own units in Common Stock but no longer holds any shares there. From 2003 to 2007 John M Duffey acquired a total of 309,232 shares in DADE BEHRING HOLDINGS INC at a cost of $3,569,982.72, John also disposed a total of 393,682 shares of DADE BEHRING HOLDINGS INC equalling to $18,727,161.79.

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
-100.00%
-81.30K
$77.00
-$6,260,100.00
0
Oct 31
Form 4
-3.21%
-2.70K
—
—
81.3K
Aug 28
Form 4
—
0
$23.68
-$2,937,600.00
84K
Scheduled
Dec 5
Form 4
—
0
—
—
0
Nov 3
Form 4
—
0
$24.35
-$1,601,602.32
42K
Scheduled
Jan 3
Form 4
—
0
—
—
0
Oct 3
Form 4
—
0
$37.37
-$2,033,368.34
42K
Scheduled
Feb 15
Form 4
—
0
$37.36
-$4,528.00
42K
Scheduled
Jan 18
Form 4
-0.83%
-350.00
—
—
42K
Nov 15
Form 4
—
0
—
—
0
Oct 1
Form 4
-0.08%
-100.00
$25.73
-$1,370,663.75
122.01K
Scheduled
Jan 16 - Jan 20
Form 4
—
0
$22.36
-$949,316.66
42.35K
Scheduled
Oct 7 - Oct 9
Form 4
—
0
—
—
0
Oct 3
No matching records found

Six Flags Entertainment Corp (SIX) Snapshot price: $25.62

President, CEO

John M Duffey owns 21,429 units of Common Stock which is worth $549,010.98 and 1,179,146 units of Common Stock, par value $0.025 per share which is worth $30,209,720.52. From 2010 to 2017 John M Duffey acquired a total of 950,043 shares in Six Flags Entertainment Corp at a cost of $9,806,120.02, John also disposed a total of 241,656 shares of Six Flags Entertainment Corp equalling to $10,220,262.70.

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
—
0
—
—
0
Feb 23
Form 4
+0.19%
1.82K
—
—
983.29K
Feb 19
Form 4
+26.04%
25K
$59.93
$1,498,197.50
121K
Dec 22
Form 4
+17.61%
146.96K
$10.00
$1,469,600.00
981.46K
Aug 31
Form 4
+0.62%
5.18K
—
—
834.5K
Aug 24
Form 4
+0.13%
1.11K
—
—
828.87K
Mar 7
Form 4
+15.99%
114.09K
—
—
827.76K
Feb 17 - Feb 19
Form 4
—
0
$30.70
-$6,335,720.10
713.5K
Scheduled
Oct 28 - Oct 29
Form 4
-0.22%
-1.56K
—
—
713.5K
May 4 - Aug 24
Form 4
+0.18%
1.28K
—
—
714.66K
Mar 9
Form 4
+12.03%
76.6K
$46.10
-$2,354,142.60
713.38K
Scheduled
Feb 18 - Feb 20
Form 4
+3.17%
19.55K
—
—
636.58K
Sep 15
Form 4
+0.99%
6.07K
—
—
617.03K
Aug 24
Form 4
-1.98%
-12.35K
—
—
610.52K
May 7
Form 4
+1.95%
11.92K
—
—
622.63K
Sep 17
Form 4
+0.53%
3.21K
—
—
610.71K
Aug 24
Form 4
-2.10%
-6.50K
—
—
303.49K
May 13
Form 4
-2.58%
-8.20K
—
—
309.81K
Dec 26
Form 4
+41.33%
93K
$22.64
$2,105,535.00
318.01K
Oct 24
Form 4
+1.05%
2.34K
—
—
225.01K
Sep 17
Form 4
+0.17%
388
—
—
222.68K
Aug 24
Form 4
+87.03%
103.26K
—
—
221.92K
Feb 28
Form 4
+171.80%
75K
$20.01
$1,500,375.00
118.66K
Feb 13
Form 4
+0.65%
283
$34.58
$9,786.14
43.66K
Dec 30
Form 4
+1.20%
514
$24.67
$12,680.38
43.37K
Jun 30 - Aug 24
Form 4
+59.76%
28K
$59.99
$1,679,546.00
74.86K
Feb 25
Form 4
∞
21.43K
—
—
21.43K
Sep 7
Form 3
—
0
—
—
0
No matching records found