David J. Millstone's Net Worth

$637 Million

Estimate Recalculated Feb 7, 2024 03:46PM EST

Who is David J. Millstone?

David J. Millstone has an estimated net worth of $637 Million. This is based on reported shares across multiple companies, which include MATTRESS FIRM HOLDING CORP., GCP Applied Technologies Inc., and W R GRACE & CO.

SEC CIK

David J. Millstone's CIK is 0001572610

Past Insider Trading and Trends

2018 was David J. Millstone's most active year for acquiring shares with 37 total transactions. David J. Millstone's most active month to acquire stocks was the month of November. 2022 was David J. Millstone's most active year for disposing of shares, totalling 2 transactions. David J. Millstone's most active month to dispose stocks was the month of August. 2018 saw David J. Millstone paying a total of $161,090,850.78 for 2,645,535 shares, this is the most they've acquired in one year. In 2021 David J. Millstone cashed out on 9,865,008 shares for a total of $690,550,560.00, 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!

MATTRESS FIRM HOLDING CORP. No price found

Investor

David J. Millstone owns 2,057,600 units of Common Stock, $0.01 par value. In the year 2016 David J. Millstone filed a total of 7 filings.

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
+2.67%
53.6K
$29.13
$1,561,553.40
2.06M
Aug 1 - Aug 2
Form 4
+1.91%
37.5K
$29.09
$1,090,735.01
2M
Jul 28 - Jul 29
Form 4
+25.68%
401.77K
$29.81
$11,978,301.50
1.97M
Jul 26 - Jul 27
Form 4
+5.27%
78.31K
$30.64
$2,399,418.40
1.56M
Jul 19
Form 4
+3.39%
48.7K
$32.40
$1,577,951.73
1.49M
Jun 24 - Jun 27
Form 4
+9.85%
128.96K
$32.44
$4,182,746.78
1.44M
Jun 16 - Jun 17
Form 3
0
0
No matching records found

GCP Applied Technologies Inc. No price found

Investor

David J. Millstone used to own units in Common Stock, $0.01 par value but no longer holds any shares there. From 2018 to 2022 David J. Millstone disposed a total of 5,113,804 shares of GCP Applied Technologies Inc. equalling to $163,641,728.00.

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
-100.00%
-5.11M
$32.00
-$163,641,728.00
0
Sep 27
Form 3
0
0
Form 3
0
0
No matching records found

W R GRACE & CO No price found

Investor

David J. Millstone used to own units in Common Stock, $0.01 par value but no longer holds any shares there. From 2018 to 2021 David J. Millstone acquired a total of 3,166,033 shares in W R GRACE & CO at a cost of $194,521,327.63, David also disposed a total of 9,865,008 shares of W R GRACE & CO equalling to $690,550,560.00.

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
-100.00%
-9.87M
$70.00
-$690,550,560.00
0
Sep 22
Form 4
+0.29%
28.49K
$64.87
$1,847,853.83
9.87M
Aug 23 - Aug 26
Form 4
+1.10%
106.61K
$64.65
$6,892,369.71
9.84M
Aug 20 - Aug 22
Form 4
+1.00%
96.58K
$64.61
$6,240,151.20
9.73M
Aug 15 - Aug 19
Form 4
+3.09%
288.83K
$63.88
$18,450,102.12
9.63M
Aug 12 - Aug 14
Form 4
+2.57%
233.72K
$60.70
$14,186,084.82
9.34M
Dec 24 - Dec 27
Form 4
+10.87%
893.3K
$61.06
$54,545,145.57
9.11M
Dec 19 - Dec 21
Form 4
+10.48%
779.66K
$60.52
$47,186,439.47
8.22M
Dec 14 - Dec 18
Form 4
+3.30%
237.82K
$61.33
$14,585,803.72
7.44M
Dec 11 - Dec 13
Form 4
+7.48%
501.02K
$61.05
$30,587,377.20
7.2M
Dec 6 - Dec 10
Form 3
0
0
No matching records found