- Corporate Officers - C
- Christofilis, Constantinos
Insider Trading History of Christofilis, Constantinos
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Christofilis, Constantinos since 2008.
This trader's CIK number is 1448047.
At the time of last reporting, Christofilis, Constantinos was the Officer of Red Robin Gourmet Burgers Inc. (stock ticker symbol RRGB).
Also see all insider trading activities at Red Robin Gourmet Burgers Inc.
Note that in the past
CHRISTOFILIS, CONSTANTINOS also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Xpo, Inc. (XPO) by Christofilis, Constantinos
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2009 | XPO | 1,004,492 | $978,872 | 0 | $0 | 0 | $0 |
| 2008 | XPO | 225,120 | $216,293 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Conformis Inc (CFMS) by Christofilis, Constantinos
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2019 | CFMS | 560,000 | $229,600 | 1,315,889 | $4,503,866 | 0 | $0 |
Yearly summary of insider trading at Emcore Corp (EMKR) by Christofilis, Constantinos
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | EMKR | 4,851,568 | $1,747,969 | 1,255,258 | $1,409,654 | 0 | $0 |
Yearly summary of insider trading at Red Robin Gourmet Burgers Inc (RRGB) by Christofilis, Constantinos
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | RRGB | 0 | $0 | 319,105 | $2,258,012 | 0 | $0 |
| 2023 | RRGB | 268,536 | $2,641,940 | 0 | $0 | 0 | $0 |
Insider trading activities at 4 companies by Christofilis, Constantinos:
1. Xpo, Inc. (XPO)
2. Conformis Inc (CFMS)
3. Emcore Corp (EMKR)
4. Red Robin Gourmet Burgers Inc (RRGB)
Table 1. Insider trading of Xpo, Inc. (XPO) by Christofilis, Constantinos
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2009-11-10 | XPO | Buy | 75,000 | 1.02 | 76,875 |
| 2009-10-29 | XPO | Buy | 735,330 | 1.02 | 752,977 |
| 2009-10-30 | XPO | Buy | 48,100 | .99 | 47,619 |
| 2009-11-02 | XPO | Buy | 7,162 | .97 | 6,925 |
| 2009-03-05 | XPO | Buy | 89,100 | .69 | 61,746 |
| 2009-03-06 | XPO | Buy | 43,800 | .66 | 28,908 |
| 2009-03-09 | XPO | Buy | 6,000 | .64 | 3,822 |
| 2008-12-16 | XPO | Buy | 50,000 | .85 | 42,500 |
| 2008-12-12 | XPO | Buy | 30,900 | .87 | 26,944 |
| 2008-12-09 | XPO | Buy | 12,900 | .85 | 10,965 |
| 2008-11-06 | XPO | Buy | 64,510 | 1.10 | 70,961 |
| 2008-11-10 | XPO | Buy | 1,600 | 1.08 | 1,728 |
| 2008-10-27 | XPO | Buy | 36,517 | .94 | 34,325 |
| 2008-10-24 | XPO | Buy | 500 | .91 | 455 |
| 2008-10-16 | XPO | Buy | 13,193 | .96 | 12,665 |
| 2008-10-13 | XPO | Buy | 15,000 | 1.05 | 15,750 |
Table 2. Insider trading of Conformis Inc (CFMS) by Christofilis, Constantinos
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2019-07-18 | CFMS | Sale | 164,796 | 3.21 | 528,995 |
| 2019-07-19 | CFMS | Sale | 73,798 | 3.12 | 230,249 |
| 2019-07-22 | CFMS | Sale | 375,000 | 2.89 | 1,083,750 |
| 2019-07-11 | CFMS | Sale | 151,022 | 3.74 | 564,822 |
| 2019-07-09 | CFMS | Sale | 279,293 | 3.78 | 1,055,727 |
| 2019-07-10 | CFMS | Sale | 271,980 | 3.83 | 1,040,323 |
| 2019-01-02 | CFMS | Buy | 560,000 | .41 | 229,600 |
Table 3. Insider trading of Emcore Corp (EMKR) by Christofilis, Constantinos
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-05-09 | EMKR | Sale | 1,255,258 | 1.12 | 1,409,654 |
| 2024-02-14 | EMKR | Buy | 2,397,670 | .34 | 803,219 |
| 2024-02-15 | EMKR | Buy | 2,453,898 | .39 | 944,750 |
Table 4. Insider trading of Red Robin Gourmet Burgers Inc (RRGB) by Christofilis, Constantinos
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-05-15 | RRGB | Sale | 77,000 | 7.36 | 566,489 |
| 2024-05-16 | RRGB | Sale | 141,905 | 7.10 | 1,006,957 |
| 2024-05-17 | RRGB | Sale | 100,200 | 6.83 | 684,566 |
| 2023-10-03 | RRGB | Buy | 50,000 | 7.43 | 371,500 |
| 2023-10-04 | RRGB | Buy | 6,000 | 7.57 | 45,420 |
| 2023-08-23 | RRGB | Buy | 151,512 | 10.54 | 1,597,694 |
| 2023-08-22 | RRGB | Buy | 61,024 | 10.28 | 627,326 |
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 Christofilis, Constantinos
(Officer of Red Robin Gourmet Burgers Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.