Dennis Thomas St's Net Worth

$115 Million

Estimate Recalculated Sep 17, 2024 03:32PM EST

Who is Dennis Thomas St?

Dennis Thomas St has an estimated net worth of $115 Million. This is based on reported shares across multiple companies, which include APPLIED MATERIALS INC /DE, VEECO INSTRUMENTS INC, AXCELIS TECHNOLOGIES INC, FORMFACTOR INC, and MATTSON TECHNOLOGY INC.

SEC CIK

Dennis Thomas St's CIK is 0001339595

Past Insider Trading and Trends

2017 was Dennis Thomas St's most active year for acquiring shares with 19 total transactions. Dennis Thomas St's most active month to acquire stocks was the month of April. 2017 was Dennis Thomas St's most active year for disposing of shares, totalling 30 transactions. Dennis Thomas St's most active month to dispose stocks was the month of April. 2017 saw Dennis Thomas St paying a total of $4,843,082.01 for 631,452 shares, this is the most they've acquired in one year. In 2017 Dennis Thomas St cashed out on 1,347,199 shares for a total of $14,294,172.49, their largest year based on trade value.

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APPLIED MATERIALS INC /DE (AMAT) Snapshot price: $174.75

Senior Vice President

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
-1.64%
-4.47K
$13.18
-$58,901.42
267.94K
Aug 31
Form 4
-3.19%
-8.94K
$12.31
-$110,026.78
271.54K
Jul 15
Form 4
—
0
—
—
0
Mar 9
Form 4
-12.51%
-40.00K
$10.04
-$401,600.00
279.65K
Dec 30
Form 4
-10.27%
-36.60K
$10.13
-$370,747.87
319.65K
Dec 19
Form 4
-8.71%
-34.00K
$10.48
-$356,320.00
356.25K
Dec 16
Form 4
-8.23%
-35.00K
$9.94
-$347,900.00
390.25K
Dec 8
Form 4
-1.04%
-4.47K
$17.92
-$80,084.48
425.25K
Aug 31
Form 4
-2.04%
-8.94K
$18.07
-$161,509.66
429.26K
Jul 15
Form 4
-5.55%
-25.73K
$17.59
-$452,678.65
437.75K
Dec 19
Form 4
+47.85%
150K
—
—
463.48K
Dec 10
Form 4
-7.24%
-24.47K
$21.40
-$523,543.84
313.48K
Aug 31
Form 4
+24.34%
66.06K
—
—
337.5K
Jul 15
Form 4
+489.31%
225K
—
—
270.98K
Jan 25
Form 4
-8.86%
-4.47K
$16.90
-$75,526.10
45.98K
Sep 6
Form 4
∞
50K
—
—
50K
Dec 13
Form 3
—
0
—
—
0
No matching records found

VEECO INSTRUMENTS INC (VECO) Snapshot price: $31.15

Investor

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
-7.16%
-4.00K
$37.72
-$150,892.00
51.86K
May 13
Form 4
+7.05%
3.68K
—
—
55.86K
May 10
Form 4
-11.83%
-7.00K
$28.52
-$199,782.60
52.18K
Nov 30
Form 4
+12.89%
6.76K
—
—
59.19K
May 12
Form 4
∞
9.09K
$21.60
$54,000.00
52.43K
May 13 - May 16
Form 4
+14.17%
5.38K
—
—
43.34K
May 7
Form 4
+37.68%
10.39K
—
—
37.96K
May 8
Form 4
+51.16%
9.33K
—
—
27.57K
May 6
Form 4
+72.12%
7.64K
—
—
18.24K
May 4
Form 4/A
+51.28%
3.59K
—
—
10.6K
May 5
Form 4
+51.28%
3.59K
$33.40
$119,972.80
10.6K
May 5
Form 4
∞
7K
$17.13
$119,995.65
7K
May 6
Form 3
—
0
—
—
0
No matching records found

AXCELIS TECHNOLOGIES INC (ACLS) Snapshot price: $96.98

Investor

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4/A
+13.96%
1.66K
—
—
13.57K
May 15
Form 4
+9.76%
1.16K
—
—
13.07K
May 15
Form 4
+12.07%
1.28K
—
—
11.91K
May 15
Form 4
-53.04%
-12.00K
$127.02
-$1,524,240.00
10.63K
Feb 13
Form 4
-11.71%
-3.00K
$76.66
-$229,980.00
22.63K
Nov 18
Form 4
+11.72%
2.69K
—
—
25.63K
May 16
Form 4
-11.57%
-3.00K
$72.81
-$218,430.00
22.94K
Feb 10
Form 4
-11.89%
-3.50K
$50.32
-$176,120.00
25.94K
Aug 30
Form 4
+13.48%
3.5K
—
—
29.44K
May 17
Form 4
+36.11%
6.88K
—
—
25.94K
May 15
Form 4
-23.94%
-6.00K
$26.61
-$159,660.00
19.06K
May 11
Form 4
-25.33%
-8.50K
$28.27
-$240,295.00
25.06K
Feb 10
Form 4
+22.81%
6.23K
—
—
33.56K
May 15
Form 4
-15.47%
-5.00K
$22.43
-$112,150.00
27.33K
Feb 20
Form 4
+21.12%
5.64K
—
—
32.33K
May 16
Form 4
+16.61%
3.8K
—
—
26.69K
May 17
Form 4
+50.07%
30.55K
—
—
91.55K
May 16
Form 4
+35.56%
16K
—
—
61K
Jul 15
Form 4
∞
45K
—
—
45K
May 15
Form 3
—
0
—
—
0
No matching records found

FORMFACTOR INC (FORM) Snapshot price: $41.88

EXECUTIVE CHAIRMAN

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
+10.43%
3.83K
—
—
40.53K
May 17
Form 4
-5.17%
-2.00K
$56.30
-$112,600.00
36.7K
May 10
Form 4
-8.92%
-3.79K
$38.24
-$144,988.26
38.7K
Nov 14
Form 4
+18.95%
6.77K
—
—
42.49K
May 19
Form 4
-29.62%
-13.00K
$32.31
-$419,972.80
30.89K
Feb 16
Form 4
—
0
—
—
0
May 27
Form 4
+9.46%
3.79K
—
—
43.89K
May 14
Form 4
-13.02%
-6.00K
$41.63
-$249,773.40
40.1K
Feb 8
Form 4
+18.20%
7.1K
—
—
46.1K
May 14 - May 17
Form 4
+30.00%
9K
—
—
39K
May 15 - May 18
Form 4
-16.67%
-6.00K
$24.78
-$148,686.60
30K
May 11
Form 4
-21.74%
-10.00K
$25.94
-$259,379.00
36K
Feb 10
Form 4
-9.80%
-5.00K
$22.68
-$113,414.50
46K
Nov 20
Form 4
-5.56%
-3.00K
$17.26
-$51,777.00
51K
Aug 20
Form 4
+20.00%
9K
—
—
54K
May 17 - May 18
Form 4
-15.09%
-8.00K
$15.99
-$127,895.20
45K
Feb 20
Form 4
+30.33%
12.33K
—
—
53K
May 26 - May 28
Form 4
—
0
—
—
0
May 18
Form 4
—
0
$11.98
-$66,899.60
40.67K
Mar 6
Form 4
—
0
$12.15
-$1,422.00
40.67K
Jun 14
Form 4
-79.39%
-156.60K
$12.49
-$2,833,035.86
40.67K
May 26 - Jun 5
Form 4
+1.72%
3.33K
—
—
197.27K
May 28
Form 4
+4.87%
9K
—
—
193.93K
May 20
Form 4
—
0
$10.54
-$84,206.22
184.93K
May 11
Form 4
+12.13%
20K
$10.65
-$387,950.66
184.93K
May 5 - May 9
Form 4
—
0
$9.60
-$84,438.81
164.93K
Feb 22 - Feb 24
Form 4
—
0
$9.68
-$847,767.61
164.93K
Feb 16 - Feb 21
Form 4
—
0
$9.80
-$714,127.15
164.93K
Feb 13 - Feb 15
Form 4
-12.29%
-23.12K
$10.51
-$242,896.41
164.93K
Aug 5
Form 4
+1.80%
3.33K
—
—
188.05K
May 31
Form 4
—
0
—
—
0
May 20
Form 4
+27.64%
40K
—
—
184.72K
May 5 - May 6
Form 4
+414.65%
116.6K
—
—
144.72K
May 2
Form 4
—
0
—
—
0
Apr 6
Form 4
—
0
—
—
0
May 28
Form 4
-82.22%
-130.00K
$8.91
-$1,158,872.00
28.12K
May 21
Form 4
+6.32%
9.39K
$8.28
-$87,850.56
158.12K
May 6 - May 7
Form 4
+6.74%
9.39K
$8.25
-$87,519.42
148.73K
May 5 - May 6
Form 4
+167.36%
87.22K
$8.42
-$781,512.06
139.33K
Apr 8 - May 5
Form 4
-63.33%
-90.00K
$9.16
-$824,001.75
52.12K
Mar 5 - Mar 9
Form 4
+18.26%
21.95K
$10.15
-$137,458.01
142.12K
Feb 27 - Mar 2
Form 4
+8.90%
9.82K
$8.52
-$58,310.80
120.17K
Feb 10 - Feb 11
Form 4
+15.73%
15K
—
—
110.35K
Sep 15
Form 4
+5.53%
5K
$6.84
$34,175.00
95.35K
Aug 8
Form 4
+12.58%
10.1K
$5.77
-$57,191.64
90.35K
May 6 - May 7
Form 4
+6.64%
5K
—
—
80.25K
May 5
Form 4
+41.22%
21.97K
$7.11
-$96,154.32
75.25K
Feb 27 - Feb 28
Form 4
+22.19%
9.68K
$6.47
-$45,214.12
53.29K
Feb 10 - Feb 11
Form 4
—
0
—
—
0
Jan 28
Form 4
+27.15%
9.31K
$7.26
-$41,302.14
43.61K
Sep 13 - Sep 16
Form 4
+10.05%
3.13K
$5.14
-$9,594.05
34.3K
May 6 - May 7
Form 4
+41.66%
9.17K
$4.61
-$34,563.75
31.17K
Feb 11 - Feb 12
Form 4
+75.16%
9.44K
$5.46
-$30,357.60
22K
Sep 13 - Sep 14
Form 4
+32.94%
3.11K
$6.09
-$11,500.37
12.56K
May 4 - May 7
Form 4
∞
9.45K
$7.49
-$41,584.48
9.45K
Sep 13 - Sep 14
Form 4
—
0
—
—
0
Apr 29
Form 4
—
0
—
—
0
Sep 13
Form 3
—
0
—
—
0
No matching records found

MATTSON TECHNOLOGY INC No price found

Investor

Form Type
Δ Own
Qty.
Price
Size ($)
Own
Filing Date
Type
Is Scheduled
Trade Dates
Form 4
-81.96%
-33.50K
$3.80
-$127,300.00
7.38K
May 11
Form 4
+59.52%
12.5K
—
—
33.5K
May 28
Form 4
+147.06%
12.5K
—
—
21K
May 28
Form 4
∞
8.5K
—
—
8.5K
Oct 25
Form 3
—
0
—
—
0
No matching records found