On Feb. 8 and Feb. 9, the following Tesla Inc. (TSLA) directors sold a total of 180,747 shares electric vehicle company for a total of approximately $153 million. Their aggregate sale marks the largest combined monthly disposition in TSLA's history.

While the market rose, the ratio of insider buying to insider selling fell to an all-time low in January. With both ratios at their lowest point in our dataset, will the markets soon tumble as well?

Shares of Gamestop have surged recently on enthusiasm from investors, but insiders at the company have recently swung towards selling.

December 2020 144 Market Report - outlining the current Form 144 brokerage market.