John K Clarke's Net Worth

$442 Million

Estimate Recalculated Mar 1, 2024 04:18PM EST

Who is John K Clarke?

John K Clarke has an estimated net worth of $442 Million. This is based on reported shares across multiple companies, which include ALNYLAM PHARMACEUTICALS, INC., VISICU INC, Sirtris Pharmaceuticals, Inc., Verastem, Inc., aTYR PHARMA INC, MOMENTA PHARMACEUTICALS INC, CUBIST PHARMACEUTICALS INC, and ATHENAHEALTH INC.

SEC CIK

John K Clarke's CIK is 0001219015

Past Insider Trading and Trends

2005 was John K Clarke's most active year for acquiring shares with 12 total transactions. John K Clarke's most active month to acquire stocks was the month of May. 2006 was John K Clarke's most active year for disposing of shares, totalling 34 transactions. John K Clarke's most active month to dispose stocks was the month of October. 2012 saw John K Clarke paying a total of $2,548,738.91 for 2,285,569 shares, this is the most they've acquired in one year. In 2008 John K Clarke cashed out on 3,403,923 shares for a total of $40,799,276.00, their largest year based on trade value.

Attention insiders: Dive deeper into market movements and stay ahead of the curve with Benzinga Pro! From up-to-the-second news to audio squawks and interactive data tools, it's everything you need to supercharge your trading strategy. Experience the Benzinga Pro advantage today and transform the way you trade with our exclusive free trial!

ATHENAHEALTH INC No price found

Investor

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
+80.01%
2.69M
$18.00
-$12,114,000.00
6.06M
Sep 25
Form 3
0
0
No matching records found

ALNYLAM PHARMACEUTICALS, INC. (ALNY) Snapshot price: $169.01

Investor

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
0
0
Jun 20
Form 4
0
$63.80
-$1,095,477.90
8.89K
Scheduled
May 31
Form 4
0
0
Jun 2
Form 4
0
0
Jun 3
Form 4
0
0
Jun 1
Form 4
0
0
Jun 5
Form 4
0
$33.42
-$1,426,128.90
0
Scheduled
May 21
Form 4
0
0
Jun 6
Form 4
0
0
Jun 21
Form 4
0
0
Jun 9
Form 4
0
0
Jun 2
Form 4
0
0
Jun 11
Form 4
0
0
Jun 3
Form 4
0
0
Jun 1
Form 4
0
0
Jun 1
Form 4
0
0
Jun 8
Form 4
+799.73%
1.86M
2.09M
Jun 3
Form 4
232.5K
232.5K
May 27
Form 3
0
0
No matching records found

VISICU INC No price found

Investor

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
-100.00%
-3.40M
$12.00
-$40,775,076.00
0
Feb 20
Form 4
0
0
Apr 4 - Jul 26
Form 4
-10.36%
-387.00K
$10.04
-$3,884,381.80
3.35M
Nov 30
Form 4
-0.31%
-31.50K
$10.04
-$316,200.00
10.23M
Nov 16
Form 4
3.77M
3.77M
Apr 10
Form 3
0
0
No matching records found

Sirtris Pharmaceuticals, Inc. No price found

Investor

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
2.07M
2.07M
May 29
Form 3
0
0
No matching records found

Verastem, Inc. (VSTM) Snapshot price: $13.41

Investor

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
+1.00%
23.17K
$9.60
$222,425.38
2.33M
Jun 12
Form 4
+1.10%
25K
$9.22
$230,477.50
2.31M
Jun 11
Form 4
0
0
Jun 4
Form 4
+1.11%
25K
$9.74
$243,375.00
2.28M
Scheduled
May 13
Form 4
+0.45%
10K
$9.66
$96,622.00
2.26M
Scheduled
May 1
Form 4
+0.25%
5.63K
$9.50
$53,488.87
2.25M
Apr 17
Form 4
+0.28%
6.19K
$7.87
$48,738.91
2.24M
Scheduled
Dec 18
Form 4
0
0
Mar 6
Form 4
2.23M
$10.00
2.23M
Feb 1
Form 3
0
0
No matching records found