Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2020-12-18 Sale |
2020-12-22 4:51 pm |
GRIZZLY MERGER SUB 1 LLC | GLIBA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
53,906 | $0 | $0 | 0 (Indirect Direct) |
View |
2020-06-18 Sale |
2020-06-18 6:07 pm |
Liberty Media Corp | LSXMA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
1,900 | $35.76 | $67,947 | 176,770 (Indirect Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2020-12-18 Option Award |
2020-12-22 4:52 pm |
N/A 2022-03-04 |
Liberty Broadband Corp | LBRDA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
81,079 | $0 | 117,378 (Direct) |
View |
2020-12-10 Option Award |
2020-12-14 6:32 pm |
N/A 2027-12-10 |
Qurate Retail Inc. | QRTEA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
119,663 | $0 | 776,854 (Direct) |
View |
2020-12-10 Option Award |
2020-12-14 5:44 pm |
N/A 2027-12-10 |
Liberty Media Corp | LSXMA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
139,052 | $0 | 139,052 (Direct) |
View |
2020-12-07 Option Award |
2020-12-09 5:25 pm |
N/A 2027-12-07 |
Liberty TripAdvisor Holdings Inc. | LTRPA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
89,404 | $0 | 89,404 (Direct) |
View |
2020-12-07 Option Award |
2020-12-09 5:04 pm |
N/A 2027-12-07 |
Liberty Broadband Corp | LBRDA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
28,136 | $0 | 28,136 (Direct) |
View |
2020-12-07 Option Award |
2020-12-09 5:03 pm |
N/A 2027-12-07 |
GCI LIBERTY INC. | GLIBA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
31,158 | $0 | 31,158 (Direct) |
View |
2020-09-14 Other |
2020-09-23 7:07 pm |
N/A N/A |
Qurate Retail Inc. | QRTEA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
5,324 | $0 | 624,344 (Direct) |
View |
2020-06-16 Option Award |
2020-06-18 6:07 pm |
N/A N/A |
Liberty Media Corp | LSXMA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
938 | $25.47 | 176,770 (Direct) |
View |
2020-06-17 Exercise |
2020-06-18 6:07 pm |
2020-06-17 2020-06-17 |
Liberty Media Corp | LSXMA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
168 | $0 | 176,770 (Direct) |
View |
2020-06-09 Option Award |
2020-06-11 5:35 pm |
N/A N/A |
TripAdvisor Inc. | TRIP | ROSENTHALER ALBERT E Director |
7,858 | $0 | 31,538 (Direct) |
View |
2020-06-08 Option Award |
2020-06-10 4:45 pm |
2020-06-17 2020-06-17 |
Liberty Media Corp | LSXMA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
6,399 | $0 | 177,732 (Direct) |
View |
2020-05-26 Exercise |
2020-05-28 6:00 pm |
N/A N/A |
Liberty Media Corp | LSXMA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
19,808 | $25.47 | 171,333 (Direct) |
View |
2020-05-26 Exercise |
2020-05-28 6:00 pm |
N/A N/A |
Liberty Media Corp | LSXMA | ROSENTHALER ALBERT E Chief Corp. Dev. Officer |
19,808 | $0 | 171,333 (Direct) |
View |