Why insider trading matters?

Numerous studies have examined whether there is evidence that U.S. insiders systematically trade on private information despite the legal deterrence. The consensus appears to be that insider purchases (but not sales) tend to be followed by positive abnormal stock price performance, particularly for small growth stocks.

- Prof. B. Espen Eckbo, Dartmouth College
AMETEK INC/ (AME)
Sector: Industrials; Industry: Specialty Industrial Machinery

AMETEK, Inc. manufactures and sells electronic instruments and electromechanical devices worldwide. The company's EIG segment offers advanced instruments for the process, aerospace, power, and industrial markets; process and analytical instruments for the oil and gas, petrochemical, pharmaceutical, semiconductor, automation, and food and beverage industries; and instruments to the laboratory equipment, ultra-precision manufacturing, medical, and test and measurement markets. This segment also operates a network of aviation maintenance, repair, and overhaul facilities.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2021-05-14 CIAMPITTI TONY J PRES. - ELECTRONIC INSTRUMENTS Sell 46,476 $134.48 $6,249,934 Yes
2020-12-15 CIAMPITTI TONY J PRES. - ELECTRONIC INSTRUMENTS Sell 14,072 $118.00 $1,660,496 Yes
2019-11-07 CIAMPITTI TONY J PRES. - ELECTRONIC INSTRUMENTS Sell 9,534 $97.14 $926,133 Yes
2019-06-20 CIAMPITTI TONY J PRES. - ELECTRONIC INSTRUMENTS Sell 2,756 $87.00 $239,772 Yes

Insider Smart

Delta Airlines (DAL) - From an insider's perspective: airlines are the first ones to go under due to the pandemic. A lot of concerns were raised on possible bankruptcy especially amid by the dump from Buffett. However, insiders of Delta were bold enough to buy when Buffett was fear. And Delta is the only airline bought by insiders post-Buffett-dump.