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
Duolingo, Inc. (DUOL)


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2022-05-09 Durable Capital Partners LP 10%-Owner Buy 136,968 $75.29 $10,311,726 No
2022-04-20 Durable Capital Partners LP 10%-Owner Buy 17,400 $88.93 $1,547,382 No
2022-04-19 Durable Capital Partners LP 10%-Owner Buy 45,600 $88.81 $4,049,550 No
2022-04-14 Durable Capital Partners LP 10%-Owner Buy 73,211 $89.19 $6,529,505 No
2022-04-05 Durable Capital Partners LP 10%-Owner Buy 255,669 $100.47 $25,687,066 No
2022-03-11 Durable Capital Partners LP 10%-Owner Buy 17,379 $79.84 $1,387,539 No
2022-03-10 Durable Capital Partners LP 10%-Owner Buy 61,332 $79.88 $4,899,379 No
2022-03-08 Durable Capital Partners LP 10%-Owner Buy 154,011 $78.01 $12,013,726 No
2022-02-22 Durable Capital Partners LP 10%-Owner Buy 112,069 $87.57 $9,814,136 No
2022-02-15 Meese Robert Chief Business Officer Sell 237 $98.01 $23,228 No
2022-02-15 Glance Natalie SVP, Engineering Sell 543 $98.02 $53,223 No
2022-02-22 Durable Capital Partners LP 10%-Owner Buy 112,069 $87.57 $9,814,136 No
2022-02-15 Chen Stephen C. General Counsel Sell 97 $98.01 $9,507 No
2022-02-15 Glance Natalie SVP, Engineering Sell 543 $98.01 $53,221 No
2022-02-15 Skaruppa Matthew Chief Financial Officer Sell 1,059 $100.30 $106,213 Yes
2022-02-15 von Ahn Luis President & CEO, Co-Founder Sell 600 $102.02 $61,210 Yes
2022-02-10 Skaruppa Matthew Chief Financial Officer Sell 2,884 $102.13 $294,533 Yes
2022-02-10 von Ahn Luis President & CEO, Co-Founder Sell 2,762 $102.13 $282,074 Yes
2021-11-24 CapitalG 2014 LP 10%-Owner Sell 37,053 $122.83 $4,551,046 No
2021-11-22 CapitalG 2014 LP 10%-Owner Sell 151,954 $133.27 $20,250,618 No
2021-11-18 CapitalG 2014 LP 10%-Owner Sell 103,330 $133.00 $13,743,024 No
2021-11-16 CapitalG 2014 LP 10%-Owner Sell 34,186 $138.62 $4,738,773 No
2021-11-15 CapitalG 2014 LP 10%-Owner Sell 117,942 $142.97 $16,862,408 Yes
2022-02-04 Durable Capital Partners LP 10%-Owner Buy 209,818 $86.05 $18,054,920 No
2022-02-02 Durable Capital Partners LP 10%-Owner Buy 56,209 $94.17 $5,293,439 No
2022-01-28 Durable Capital Partners LP 10%-Owner Buy 32,491 $90.51 $2,940,684 No
2022-01-27 Durable Capital Partners LP 10%-Owner Buy 58,999 $88.43 $5,217,000 No
2022-01-25 Durable Capital Partners LP 10%-Owner Buy 127,853 $88.30 $11,289,163 No
2022-01-14 Durable Capital Partners LP 10%-Owner Buy 157,977 $97.04 $15,330,367 No
2022-01-11 Durable Capital Partners LP 10%-Owner Buy 112,111 $102.13 $11,450,189 No

Insider Smart

Planet Fitness, Inc (PLNT) - Our position in PLNT is also inspired by insider trading, if insiders are comfortable and confident buying around $50, it is an easy hold if you can pick it up at an even lower price. Our avg cost of the position is ~$40 and is now with 50% profit.

Insider Smart

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