- Corporate Officers - S
- St Dennis Thomas
Insider Trading History of St Dennis Thomas
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of St Dennis Thomas since 2015.
This trader's CIK number is 1339595.
At the time of last reporting, St Dennis Thomas was the Officer of Formfactor Inc. (stock ticker symbol FORM).
Also see all insider trading activities at Formfactor Inc.
Note that in the past
St Dennis Thomas also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Axcelis Technologies Inc (ACLS) by St Dennis Thomas
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | ACLS | 0 | $0 | 12,000 | $1,524,240 | 0 | $0 |
| 2022 | ACLS | 0 | $0 | 6,000 | $448,410 | 0 | $0 |
| 2021 | ACLS | 0 | $0 | 3,500 | $176,120 | 0 | $0 |
| 2020 | ACLS | 0 | $0 | 14,500 | $399,955 | 0 | $0 |
| 2019 | ACLS | 0 | $0 | 5,000 | $112,150 | 0 | $0 |
Yearly summary of insider trading at Veeco Instruments Inc (VECO) by St Dennis Thomas
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | VECO | 0 | $0 | 4,000 | $150,892 | 0 | $0 |
| 2023 | VECO | 0 | $0 | 7,005 | $199,782 | 0 | $0 |
| 2022 | VECO | 2,500 | $54,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Formfactor Inc (FORM) by St Dennis Thomas
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | FORM | 0 | $0 | 3,000 | $93,720 | 0 | $0 |
| 2024 | FORM | 0 | $0 | 5,100 | $233,834 | 0 | $0 |
| 2023 | FORM | 0 | $0 | 16,792 | $564,964 | 0 | $0 |
| 2022 | FORM | 0 | $0 | 6,000 | $249,774 | 3,792 | $0 |
| 2021 | FORM | 0 | $0 | 0 | $0 | 7,098 | $0 |
| 2020 | FORM | 0 | $0 | 16,000 | $408,066 | 9,000 | $0 |
| 2019 | FORM | 0 | $0 | 16,000 | $293,088 | 9,000 | $0 |
| 2018 | FORM | 0 | $0 | 20,867 | $283,290 | 33,201 | $216,390 |
| 2017 | FORM | 0 | $0 | 735,733 | $9,686,358 | 602,466 | $4,723,106 |
| 2016 | FORM | 0 | $0 | 23,120 | $242,898 | 159,933 | $0 |
| 2015 | FORM | 0 | $0 | 347,543 | $3,077,174 | 279,007 | $58,314 |
Insider trading activities at 3 companies by St Dennis Thomas:
1. Axcelis Technologies Inc (ACLS)
2. Veeco Instruments Inc (VECO)
3. Formfactor Inc (FORM)
Table 1. Insider trading of Axcelis Technologies Inc (ACLS) by St Dennis Thomas
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-02-13 | ACLS | Sale | 12,000 | 127.02 | 1,524,240 |
| 2022-11-18 | ACLS | Sale | 3,000 | 76.66 | 229,980 |
| 2022-02-10 | ACLS | Sale | 3,000 | 72.81 | 218,430 |
| 2021-08-30 | ACLS | Sale | 3,500 | 50.32 | 176,120 |
| 2020-05-11 | ACLS | Sale | 6,000 | 26.61 | 159,660 |
| 2020-02-10 | ACLS | Sale | 8,500 | 28.27 | 240,295 |
| 2019-02-20 | ACLS | Sale | 5,000 | 22.43 | 112,150 |
Table 2. Insider trading of Veeco Instruments Inc (VECO) by St Dennis Thomas
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-05-13 | VECO | Sale | 4,000 | 37.72 | 150,892 |
| 2023-11-30 | VECO | Sale | 7,005 | 28.52 | 199,782 |
| 2022-05-16 | VECO | Buy | 2,500 | 21.60 | 54,000 |
Table 3. Insider trading of Formfactor Inc (FORM) by St Dennis Thomas
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-05-29 | FORM | Sale | 3,000 | 31.24 | 93,720 |
| 2024-11-05 | FORM | Sale | 3,100 | 39.11 | 121,234 |
| 2024-05-10 | FORM | Sale | 2,000 | 56.30 | 112,600 |
| 2023-11-14 | FORM | Sale | 3,792 | 38.23 | 144,987 |
| 2023-02-16 | FORM | Sale | 13,000 | 32.31 | 419,977 |
| 2022-05-14 | FORM | Option Ex | 3,792 | .00 | 0 |
| 2022-02-08 | FORM | Sale | 6,000 | 41.63 | 249,774 |
| 2021-05-17 | FORM | Option Ex | 7,098 | .00 | 0 |
| 2020-05-18 | FORM | Option Ex | 9,000 | .00 | 0 |
| 2020-05-11 | FORM | Sale | 6,000 | 24.78 | 148,686 |
| 2020-02-10 | FORM | Sale | 10,000 | 25.94 | 259,380 |
| 2019-11-20 | FORM | Sale | 5,000 | 22.68 | 113,415 |
| 2019-08-20 | FORM | Sale | 3,000 | 17.26 | 51,777 |
| 2019-05-18 | FORM | Option Ex | 9,000 | .00 | 0 |
| 2019-02-20 | FORM | Sale | 8,000 | 15.99 | 127,896 |
| 2018-05-26 | FORM | Option Ex | 9,000 | .00 | 0 |
| 2018-05-28 | FORM | Option Ex | 3,334 | .00 | 0 |
| 2018-03-06 | FORM | Sale | 20,867 | 13.58 | 283,290 |
| 2018-03-06 | FORM | Option Ex | 20,867 | 10.37 | 216,390 |
| 2017-06-14 | FORM | Option Ex | 400 | 10.37 | 4,148 |
| 2017-06-14 | FORM | Sale | 400 | 13.93 | 5,570 |
| 2017-06-02 | FORM | Sale | 156,600 | 14.63 | 2,291,527 |
| 2017-06-05 | FORM | Option Ex | 128,733 | 10.37 | 1,334,961 |
| 2017-06-05 | FORM | Sale | 128,733 | 14.58 | 1,876,412 |
| 2017-05-28 | FORM | Option Ex | 3,333 | .00 | 0 |
| 2017-05-11 | FORM | Sale | 13,962 | 13.55 | 189,199 |
| 2017-05-11 | FORM | Option Ex | 13,962 | 7.52 | 104,994 |
| 2017-05-05 | FORM | Option Ex | 20,000 | .00 | 0 |
| 2017-05-09 | FORM | Option Ex | 62,088 | 7.52 | 466,901 |
| 2017-05-09 | FORM | Sale | 62,088 | 13.77 | 854,827 |
| 2017-02-22 | FORM | Sale | 17,597 | 11.75 | 206,764 |
| 2017-02-24 | FORM | Option Ex | 2,700 | 7.52 | 20,304 |
| 2017-02-24 | FORM | Sale | 2,700 | 11.22 | 30,307 |
| 2017-02-22 | FORM | Option Ex | 17,597 | 7.52 | 132,329 |
| 2017-02-21 | FORM | Option Ex | 7,368 | 7.52 | 55,407 |
| 2017-02-17 | FORM | Sale | 84,214 | 11.88 | 1,000,041 |
| 2017-02-16 | FORM | Sale | 105,100 | 11.88 | 1,249,113 |
| 2017-02-17 | FORM | Option Ex | 84,214 | 7.52 | 633,289 |
| 2017-02-16 | FORM | Option Ex | 105,100 | 7.52 | 790,352 |
| 2017-02-21 | FORM | Sale | 7,368 | 11.95 | 88,047 |
| 2017-02-13 | FORM | Option Ex | 18,404 | 7.52 | 138,398 |
| 2017-02-14 | FORM | Option Ex | 80,397 | 7.52 | 604,585 |
| 2017-02-13 | FORM | Sale | 18,404 | 12.15 | 223,645 |
| 2017-02-15 | FORM | Option Ex | 58,170 | 7.52 | 437,438 |
| 2017-02-14 | FORM | Sale | 80,397 | 12.01 | 965,246 |
| 2017-02-15 | FORM | Sale | 58,170 | 12.13 | 705,660 |
| 2016-08-05 | FORM | Sale | 23,120 | 10.51 | 242,898 |
| 2016-05-31 | FORM | Option Ex | 3,333 | .00 | 0 |
| 2016-05-05 | FORM | Option Ex | 20,000 | .00 | 0 |
| 2016-05-06 | FORM | Option Ex | 20,000 | .00 | 0 |
| 2016-05-02 | FORM | Option Ex | 116,600 | .00 | 0 |
| 2015-05-21 | FORM | Sale | 130,000 | 8.91 | 1,158,820 |
| 2015-05-07 | FORM | Sale | 10,606 | 8.28 | 87,849 |
| 2015-05-06 | FORM | Option Ex | 20,000 | .00 | 0 |
| 2015-05-06 | FORM | Sale | 10,607 | 8.25 | 87,518 |
| 2015-05-05 | FORM | Option Ex | 20,000 | .00 | 0 |
| 2015-05-04 | FORM | Option Ex | 180,000 | .00 | 0 |
| 2015-05-05 | FORM | Sale | 92,782 | 8.42 | 781,502 |
| 2015-03-05 | FORM | Sale | 60,000 | 9.18 | 550,860 |
| 2015-03-06 | FORM | Sale | 2,500 | 9.10 | 22,752 |
| 2015-03-09 | FORM | Sale | 27,500 | 9.11 | 250,415 |
| 2015-03-02 | FORM | Sale | 13,548 | 10.15 | 137,458 |
| 2015-02-27 | FORM | Option Ex | 35,494 | .00 | 0 |
| 2015-02-10 | FORM | Option Ex | 16,667 | .00 | 0 |
| 2015-02-11 | FORM | Option Ex | 6,846 | 8.52 | 58,314 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by St Dennis Thomas
(Officer of Formfactor Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.