- Corporate Officers - F
- Foster Ronald C
Insider Trading History of Foster Ronald C
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Foster Ronald C since 2006.
This trader's CIK number is 1222896.
At the time of last reporting, Foster Ronald C was the Officer of Advanced Energy Industries Inc. (stock ticker symbol AEIS).
Also see all insider trading activities at Advanced Energy Industries Inc.
Note that in the past
FOSTER RONALD C also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Advanced Energy Industries Inc (AEIS) by Foster Ronald C
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | AEIS | 0 | $0 | 0 | $0 | 2,093 | $0 |
| 2024 | AEIS | 0 | $0 | 0 | $0 | 2,257 | $0 |
| 2023 | AEIS | 0 | $0 | 12,618 | $1,361,840 | 0 | $0 |
Yearly summary of insider trading at Formfactor Inc (FORM) by Foster Ronald C
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2007 | FORM | 0 | $0 | 14,400 | $622,342 | 14,400 | $328,751 |
| 2006 | FORM | 0 | $0 | 5,400 | $241,794 | 5,400 | $123,282 |
Yearly summary of insider trading at Micron Technology Inc (MU) by Foster Ronald C
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2015 | MU | 0 | $0 | 100,000 | $3,255,924 | 100,000 | $602,249 |
| 2014 | MU | 0 | $0 | 485,000 | $13,132,466 | 415,000 | $3,116,375 |
| 2013 | MU | 0 | $0 | 785,000 | $11,450,720 | 785,000 | $3,963,800 |
| 2011 | MU | 0 | $0 | 180,000 | $2,082,559 | 20,000 | $89,600 |
Insider trading activities at 3 companies by Foster Ronald C:
1. Advanced Energy Industries Inc (AEIS)
2. Formfactor Inc (FORM)
3. Micron Technology Inc (MU)
Table 1. Insider trading of Advanced Energy Industries Inc (AEIS) by Foster Ronald C
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-05-03 | AEIS | Option Ex | 2,093 | .00 | 0 |
| 2024-05-05 | AEIS | Option Ex | 2,257 | .00 | 0 |
| 2023-12-13 | AEIS | Sale | 618 | 105.00 | 64,890 |
| 2023-12-01 | AEIS | Sale | 1,000 | 95.00 | 95,000 |
| 2023-11-15 | AEIS | Sale | 1,000 | 95.00 | 95,000 |
| 2023-10-02 | AEIS | Sale | 1,000 | 103.26 | 103,260 |
| 2023-09-01 | AEIS | Sale | 2,000 | 118.48 | 236,960 |
| 2023-08-01 | AEIS | Sale | 2,000 | 123.46 | 246,920 |
| 2023-07-03 | AEIS | Sale | 2,000 | 110.92 | 221,830 |
| 2023-06-07 | AEIS | Sale | 1,000 | 105.00 | 105,000 |
| 2023-06-01 | AEIS | Sale | 1,000 | 97.98 | 97,980 |
| 2023-05-25 | AEIS | Sale | 1,000 | 95.00 | 95,000 |
Table 2. Insider trading of Formfactor Inc (FORM) by Foster Ronald C
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2007-06-15 | FORM | Sale | 1,800 | 43.00 | 77,400 |
| 2007-06-15 | FORM | Option Ex | 1,800 | 22.83 | 41,094 |
| 2007-05-02 | FORM | Sale | 1,800 | 43.00 | 77,400 |
| 2007-05-02 | FORM | Option Ex | 1,800 | 22.83 | 41,094 |
| 2007-04-02 | FORM | Sale | 1,800 | 44.75 | 80,542 |
| 2007-04-02 | FORM | Option Ex | 1,800 | 22.83 | 41,094 |
| 2007-03-01 | FORM | Option Ex | 4,000 | 22.83 | 91,320 |
| 2007-03-01 | FORM | Sale | 4,000 | 43.00 | 172,000 |
| 2007-02-01 | FORM | Option Ex | 5,000 | 22.83 | 114,149 |
| 2007-02-01 | FORM | Sale | 5,000 | 43.00 | 215,000 |
| 2006-10-04 | FORM | Option Ex | 1,800 | 22.83 | 41,094 |
| 2006-10-04 | FORM | Sale | 1,800 | 43.00 | 77,400 |
| 2006-09-01 | FORM | Option Ex | 1,800 | 22.83 | 41,094 |
| 2006-09-01 | FORM | Sale | 1,800 | 48.33 | 86,994 |
| 2006-08-03 | FORM | Option Ex | 1,800 | 22.83 | 41,094 |
| 2006-08-03 | FORM | Sale | 1,800 | 43.00 | 77,400 |
Table 3. Insider trading of Micron Technology Inc (MU) by Foster Ronald C
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2015-02-18 | MU | Sale | 25,000 | 32.25 | 806,274 |
| 2015-02-17 | MU | Sale | 75,000 | 32.66 | 2,449,650 |
| 2015-02-18 | MU | Option Ex | 25,000 | 5.16 | 129,000 |
| 2015-02-17 | MU | Option Ex | 75,000 | 6.31 | 473,249 |
| 2014-12-09 | MU | Option Ex | 20,000 | 7.46 | 149,200 |
| 2014-12-09 | MU | Sale | 20,000 | 35.38 | 707,620 |
| 2014-11-07 | MU | Option Ex | 20,000 | 7.46 | 149,200 |
| 2014-11-07 | MU | Sale | 20,000 | 32.85 | 657,060 |
| 2014-10-14 | MU | Option Ex | 20,000 | 7.46 | 149,200 |
| 2014-10-14 | MU | Sale | 20,000 | 28.02 | 560,480 |
| 2014-09-30 | MU | Sale | 50,000 | 34.41 | 1,720,499 |
| 2014-09-10 | MU | Option Ex | 20,000 | 7.46 | 149,200 |
| 2014-09-10 | MU | Sale | 20,000 | 31.89 | 637,840 |
| 2014-08-11 | MU | Option Ex | 20,000 | 7.46 | 149,200 |
| 2014-08-11 | MU | Sale | 20,000 | 30.68 | 613,680 |
| 2014-07-09 | MU | Sale | 20,000 | 32.57 | 651,460 |
| 2014-07-09 | MU | Option Ex | 20,000 | 7.46 | 149,200 |
| 2014-05-12 | MU | Option Ex | 20,000 | 7.46 | 149,200 |
| 2014-05-12 | MU | Sale | 20,000 | 27.37 | 547,380 |
| 2014-04-23 | MU | Sale | 20,000 | 26.26 | 525,120 |
| 2014-04-09 | MU | Option Ex | 20,000 | 7.46 | 149,200 |
| 2014-04-09 | MU | Sale | 20,000 | 22.58 | 451,599 |
| 2014-03-07 | MU | Sale | 20,000 | 24.46 | 489,219 |
| 2014-03-07 | MU | Option Ex | 20,000 | 7.46 | 149,200 |
| 2014-02-11 | MU | Option Ex | 20,000 | 7.46 | 149,200 |
| 2014-02-11 | MU | Sale | 20,000 | 24.80 | 496,079 |
| 2014-01-10 | MU | Sale | 115,000 | 23.52 | 2,705,030 |
| 2014-01-09 | MU | Sale | 100,000 | 23.69 | 2,369,400 |
| 2014-01-10 | MU | Option Ex | 115,000 | 7.53 | 865,375 |
| 2014-01-09 | MU | Option Ex | 100,000 | 7.59 | 759,000 |
| 2013-11-13 | MU | Option Ex | 50,000 | 4.48 | 224,000 |
| 2013-11-13 | MU | Sale | 50,000 | 18.61 | 930,250 |
| 2013-11-11 | MU | Option Ex | 150,000 | 4.48 | 672,000 |
| 2013-11-11 | MU | Sale | 150,000 | 18.05 | 2,707,500 |
| 2013-09-03 | MU | Sale | 3,200 | 14.13 | 45,216 |
| 2013-09-05 | MU | Sale | 1,600 | 14.11 | 22,576 |
| 2013-09-03 | MU | Sale | 38,600 | 14.04 | 541,751 |
| 2013-09-03 | MU | Sale | 31,600 | 13.88 | 438,481 |
| 2013-09-03 | MU | Option Ex | 75,000 | 5.97 | 447,750 |
| 2013-08-13 | MU | Option Ex | 80,000 | 4.48 | 358,400 |
| 2013-08-13 | MU | Sale | 80,000 | 14.26 | 1,141,040 |
| 2013-08-14 | MU | Sale | 20,000 | 14.80 | 296,100 |
| 2013-08-14 | MU | Option Ex | 20,000 | 4.48 | 89,600 |
| 2013-08-01 | MU | Option Ex | 75,000 | 5.97 | 447,750 |
| 2013-08-01 | MU | Sale | 64,600 | 13.46 | 869,516 |
| 2013-08-01 | MU | Sale | 10,400 | 13.56 | 141,034 |
| 2013-07-05 | MU | Sale | 60,000 | 14.32 | 859,380 |
| 2013-07-05 | MU | Option Ex | 60,000 | 4.48 | 268,800 |
| 2013-07-01 | MU | Sale | 22,300 | 14.53 | 324,085 |
| 2013-07-01 | MU | Sale | 44,927 | 14.25 | 640,254 |
| 2013-06-03 | MU | Sale | 1,100 | 14.30 | 15,730 |
| 2013-07-01 | MU | Option Ex | 105,000 | 5.97 | 626,850 |
| 2013-06-28 | MU | Sale | 40,000 | 14.11 | 564,400 |
| 2013-06-28 | MU | Option Ex | 40,000 | 4.48 | 179,200 |
| 2013-07-01 | MU | Sale | 36,273 | 14.40 | 522,403 |
| 2013-07-10 | MU | Sale | 400 | 14.37 | 5,748 |
| 2013-06-03 | MU | Sale | 9,000 | 11.86 | 106,740 |
| 2013-06-03 | MU | Sale | 17,500 | 11.65 | 203,962 |
| 2013-06-03 | MU | Sale | 18,500 | 11.48 | 212,435 |
| 2013-06-03 | MU | Option Ex | 45,000 | 5.97 | 268,650 |
| 2013-05-14 | MU | Option Ex | 38,000 | 4.48 | 170,240 |
| 2013-05-13 | MU | Sale | 2,000 | 10.70 | 21,400 |
| 2013-05-14 | MU | Sale | 38,000 | 10.65 | 404,661 |
| 2013-05-13 | MU | Option Ex | 2,000 | 4.48 | 8,960 |
| 2013-05-07 | MU | Option Ex | 20,000 | 4.48 | 89,600 |
| 2013-05-07 | MU | Sale | 20,000 | 9.90 | 198,039 |
| 2013-05-03 | MU | Sale | 15,000 | 9.60 | 144,000 |
| 2013-05-03 | MU | Option Ex | 15,000 | 4.48 | 67,200 |
| 2013-04-19 | MU | Option Ex | 10,000 | 4.48 | 44,800 |
| 2013-04-19 | MU | Sale | 10,000 | 9.40 | 94,019 |
| 2011-02-16 | MU | Sale | 25,000 | 11.76 | 293,950 |
| 2011-05-02 | MU | Option Ex | 10,000 | 4.48 | 44,800 |
| 2011-05-02 | MU | Sale | 8,600 | 11.26 | 96,801 |
| 2011-05-02 | MU | Sale | 1,400 | 11.37 | 15,911 |
| 2011-04-27 | MU | Sale | 40,000 | 11.74 | 469,480 |
| 2011-04-01 | MU | Sale | 9,600 | 11.32 | 108,633 |
| 2011-04-01 | MU | Sale | 400 | 11.47 | 4,589 |
| 2011-04-01 | MU | Option Ex | 10,000 | 4.48 | 44,800 |
| 2011-03-29 | MU | Sale | 40,000 | 11.70 | 468,120 |
| 2011-02-15 | MU | Sale | 25,000 | 11.61 | 290,125 |
| 2011-02-07 | MU | Sale | 30,000 | 11.16 | 334,950 |
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 Foster Ronald C
(Officer of Advanced Energy Industries Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.