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
Redfin Corp (RDFN)
Sector: Real Estate; Industry: Real Estate Services

Redfin Corporation operates as a real estate brokerage company in the United States and Canada. The company operates an online real estate marketplace and provides real estate services, including assisting individuals in the purchase or sell of home.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2021-04-09 Tobaccowala Selina Director Sell 2,000 $67.34 $134,680 No
2021-04-05 KELMAN GLENN Chief Executive Officer Sell 30,000 $66.08 $1,982,352 No
2021-04-05 Nielsen Christopher John Chief Financial Officer Sell 4,500 $68.43 $307,935 Yes
2021-04-05 Frey Bridget Chief Technology Officer Sell 4,035 $68.43 $276,115 Yes
2021-04-01 KELMAN GLENN Chief Executive Officer Sell 60,000 $67.50 $4,050,033 No
2021-04-01 Bass Robert J Director Sell 1,500 $68.54 $102,810 No
2021-03-16 Wiener Adam Chief Growth Officer Sell 6,500 $75.43 $490,295 Yes
2021-03-02 Frey Bridget Chief Technology Officer Sell 4,000 $80.50 $322,000 Yes
2021-02-26 Taubman Christian John Chief Product Officer Sell 1,302 $76.10 $99,082 No
2021-02-18 Wiener Adam Chief Growth Officer Sell 6,500 $89.53 $581,931 Yes
2021-02-18 Nielsen Christopher John Chief Financial Officer Sell 3,000 $89.49 $268,457 Yes
2021-02-16 MYLOD ROBERT J JR Director Sell 119,200 $90.85 $10,829,151 No
2021-02-02 Frey Bridget Chief Technology Officer Sell 4,000 $76.94 $307,760 Yes
2021-01-19 Nielsen Christopher John Chief Financial Officer Sell 3,000 $78.02 $234,060 Yes
2021-01-15 Wiener Adam Chief Growth Officer Sell 6,500 $76.88 $499,720 Yes
2021-01-12 Wiener Adam Chief Growth Officer Sell 30,000 $77.50 $2,325,122 Yes
2021-01-04 Bass Robert J Director Sell 1,500 $68.75 $103,125 No
2021-01-04 Frey Bridget Chief Technology Officer Sell 4,000 $68.75 $275,000 Yes
2021-01-05 Wiener Adam Chief Growth Officer Sell 45,000 $68.16 $3,067,015 Yes
2020-12-18 Nielsen Christopher John Chief Financial Officer Sell 3,000 $75.82 $227,460 Yes
2020-12-02 Frey Bridget Chief Technology Officer Sell 4,000 $49.10 $196,400 Yes
2020-11-30 Taubman Christian John Chief Product Officer Sell 5,321 $48.45 $257,802 Yes
2020-11-18 Nielsen Christopher John Chief Financial Officer Sell 3,000 $44.00 $132,000 Yes
2020-11-11 KELMAN GLENN President and CEO Sell 60,000 $40.95 $2,456,838 No
2020-11-02 Frey Bridget Chief Technology Officer Sell 4,000 $42.22 $168,880 Yes
2020-10-19 Nielsen Christopher John Chief Financial Officer Sell 3,000 $48.92 $146,760 Yes
2020-10-02 Frey Bridget Chief Technology Officer Sell 5,000 $50.29 $251,450 Yes
2020-09-18 Nielsen Christopher John Chief Financial Officer Sell 63,000 $48.13 $3,032,311 Yes
2020-09-10 Nagel Scott President of Real Estate Ops Sell 75,000 $45.75 $3,431,594 No
2020-09-08 Frey Bridget Chief Technology Officer Sell 14,980 $43.12 $645,938 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.

Insider Smart

Altimmune, Inc. (ALT) - Venrock Healthcare Capital Partners III, L.P., 10%-owner of ALT bought 1.3M shares in late May then added another 1.5M shares in June with an averaged ~$8 per share. 10 days after the accumulation, ALT price jumped to $10.