Why insider trading matters?

If management teams do not own any relevant stakes in the companies they guide, they may not be focused on creating wealth for shareholders to the same degree, compared to those that see their personal wealth increase when share prices rise.

- Klaus Gugler, Economist
The Liberty SiriusXM Group (LSXMA)
Sector: Communication Services; Industry: Broadcasting

Formula One Group operates in the motorsports business. Formula One Group operates as a subsidiary of Liberty Media Corporation.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2021-05-10 GAMCO INVESTORS, INC. ET AL 10%-Owner Sell 2,000 $27.40 $54,793 No
2021-03-09 Wendling Brian J CAO/PFO Sell 16,317 $43.10 $703,199 No
2021-03-04 RAPLEY DAVID E Director Sell 1,125 $44.16 $49,677 No
2021-02-17 GAMCO INVESTORS, INC. ET AL 10%-Owner Sell 1,000 $28.48 $28,480 No
2020-12-03 MALONE JOHN C Chairman of the Board Sell 60,302 $41.52 $2,503,582 No
2020-12-02 MALONE JOHN C Chairman of the Board Sell 104,571 $41.31 $4,319,638 No
2020-11-30 MALONE JOHN C Chairman of the Board Sell 65,935 $41.52 $2,737,305 No
2020-11-25 MALONE JOHN C Chairman of the Board Sell 143,884 $42.22 $6,075,021 No
2020-11-23 MALONE JOHN C Chairman of the Board Sell 360,724 $39.01 $14,073,561 No
2020-11-19 MALONE JOHN C Chairman of the Board Sell 349,584 $39.12 $13,675,525 No
2020-08-13 RAPLEY DAVID E Director Sell 2,021 $36.10 $72,958 No
2020-07-21 GAMCO INVESTORS, INC. ET AL 10%-Owner Buy 600 $19.58 $11,751 No
2020-07-15 GAMCO INVESTORS, INC. ET AL 10%-Owner Buy 7,694 $18.27 $140,552 No
2020-06-18 MALONE JOHN C Chairman of the Board Sell 500,000 $36.21 $18,104,167 No
2020-06-05 Ancient Art, L.P. 10%-Owner Sell 50,000 $35.84 $1,791,930 No
2020-06-03 Ancient Art, L.P. 10%-Owner Sell 7,304 $35.69 $260,697 No
2020-06-01 WESCHLER, R. TED Member of 10% owner group Buy 450,000 $37.35 $16,807,500 No
2020-06-01 BERKSHIRE HATHAWAY INC 10%-Owner Buy 450,000 $37.35 $16,807,500 No
2020-05-29 WESCHLER, R. TED Member of 10% owner group Buy 2,374,180 $36.15 $85,824,685 Yes
2020-05-29 BERKSHIRE HATHAWAY INC 10%-Owner Buy 2,374,180 $36.15 $85,824,685 Yes
2020-05-26 WESCHLER, R. TED Member of 10% owner group Buy 2,016,950 $32.56 $65,678,861 Yes
2020-05-26 BERKSHIRE HATHAWAY INC 10%-Owner Buy 2,016,950 $32.56 $65,678,861 Yes
2020-03-18 GAMCO INVESTORS, INC. ET AL 10%-Owner Buy 4,000 $15.50 $62,000 No
2020-03-10 Gilchrist Malcolm Ian Grant Director Sell 1,484 $33.86 $50,243 No
2020-03-11 GAMCO INVESTORS, INC. ET AL 10%-Owner Buy 1,000 $20.21 $20,210 No
2020-01-24 GAMCO INVESTORS, INC. ET AL 10%-Owner Buy 1,200 $29.55 $35,460 No
2020-01-22 GAMCO INVESTORS, INC. ET AL 10%-Owner Buy 1,000 $29.25 $29,250 No
2019-12-30 GAMCO INVESTORS, INC. ET AL 10%-Owner Buy 8,006 $28.85 $230,978 No
2019-12-12 MAFFEI GREGORY B President, CEO Sell 147,577 $47.70 $7,040,072 No
2019-12-11 ROSENTHALER ALBERT E Chief Corp. Dev. Officer Sell 21,664 $46.72 $1,012,202 No

Insider Smart

VBI Vaccines Inc (VBIV) - Since 10%-owner Perceptive Advisor LCC increased their holding in April, the stock have double the price. Impressive!

Insider Smart

SYSCO CORP (SYY) - PELTZ NELSON and Frank Joshua D are insiders of SYSCO CORP, check their transactions to see how they sell high and buy low. Would that be more persuasive than just buy or sell?