Diederik Karsten serves as Executive at Liberty Global, Inc., where they oversee executive responsibilities. Since joining the company, Diederik Karsten has executed 187 insider transactions totaling $5.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 1, 2011 involved selling 511 shares valued at $19.4K.
Diederik Karsten currently holds 192,639 shares of Liberty Global, Inc. (LBTY), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Diederik Karsten has been a net seller of LBTY stock. They have purchased $0 and sold $5.3M worth of shares.
Diederik Karsten's most recent insider trade was on Nov 1, 2011, when they sold 511 shares at $37.99 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Nov 1, 2011 | LBTY | $0 | Option Exercise | 381 | $N/A | Discretionary |
| Sep 30, 2011 | LBTY | $0 | Option Exercise | 15,016 | $N/A | Discretionary |
| Sep 30, 2011 | LBTY | $0 | Option Exercise | 14,515 | $N/A | Discretionary |
| Sep 30, 2011 | LBTY | $261.2K | Payment | 7,548 | $34.61 | Discretionary |
| Sep 30, 2011 | LBTY | $282.5K | Payment | 7,809 | $36.18 | Discretionary |
| Aug 1, 2011 | LBTY | $0 | Option Exercise | 381 | $N/A | Discretionary |
| Aug 1, 2011 | LBTY | $21.2K | Payment | 511 | $41.52 | Discretionary |
| Aug 1, 2011 | LBTY | $20.3K | Payment | 511 | $39.63 | Discretionary |
| Aug 1, 2011 | LBTY | $0 | Option Exercise | 381 | $N/A | Discretionary |
| Aug 1, 2011 | LBTY | $0 | Option Exercise | 600 | $N/A | Discretionary |
| Aug 1, 2011 | LBTY | $0 | Option Exercise | 600 | $N/A | Discretionary |
| May 2, 2011 | LBTY | $8.9K | Payment | 202 | $44.19 | Discretionary |
| May 2, 2011 | LBTY | $0 | Option Exercise | 388 | $N/A | Discretionary |
| May 2, 2011 | LBTY | $9.3K | Payment | 202 | $46.23 | Discretionary |
| May 2, 2011 | LBTY | $0 | Option Exercise | 388 | $N/A | Discretionary |
| May 1, 2011 | LBTY | $0 | Option Exercise | 600 | $N/A | Discretionary |
| May 1, 2011 | LBTY | $0 | Option Exercise | 382 | $N/A | Discretionary |
| May 1, 2011 | LBTY | $0 | Option Exercise | 600 | $N/A | Discretionary |
| May 1, 2011 | LBTY | $22.7K | Payment | 511 | $44.39 | Discretionary |
| May 1, 2011 | LBTY | $0 | Option Exercise | 382 | $N/A | Discretionary |
| May 1, 2011 | LBTY | $23.8K | Payment | 511 | $46.50 | Discretionary |
| Mar 31, 2011 | LBTY | $0 | Option Exercise | 15,016 | $N/A | Discretionary |
| Mar 31, 2011 | LBTY | $323.4K | Payment | 7,809 | $41.41 | Discretionary |
| Mar 31, 2011 | LBTY | $0 | Option Exercise | 14,515 | $N/A | Discretionary |
| Mar 31, 2011 | LBTY | $301.8K | Payment | 7,548 | $39.99 | Discretionary |
| Feb 2, 2011 | LBTY | $7.9K | Payment | 202 | $38.92 | Discretionary |
| Feb 2, 2011 | LBTY | $0 | Option Exercise | 387 | $N/A | Discretionary |
| Feb 2, 2011 | LBTY | $8.3K | Payment | 202 | $40.85 | Discretionary |