Stock Trading Canary

Built: 2026-10-19T16:02:49+00:00 · 中文

← South Korea

SOUTH KOREA · OPENDART

MegaStudyEdu Co. Ltd

메가스터디교육 · 215200 · KOSDAQ · Consumer Defensive · Education & Training Services

Score

32.6

Rank 739 of 745 · KR-v1 · as of 2026-10-18

Buyers 35%20
Size 25%9
Role 20%90
Recency 10%28
Conviction 10%26

Insider timeline

One insider bought, once (3 Aug). The share closed at 41,000.00 that day and at 38,900.00 most recently (−5.1%).

Kim Rok HoonKim Rok HoonMember of the executive committeeExecutiveChoi Yong JinChoi Yong JinMember of the executive committeeExecutive2026-09-28 · Choi Yong Jin · sale · 29,704,800 KRW2026-08-03 · Kim Rok Hoon · purchase · 40,200,000 KRWMayJunJulAugSepOct

Tap an item for what it means.

●A purchase: the bigger the dot, the more was bought

Each dot is one insider's purchases on one day. The dot's area follows the amount: the largest purchase here gets the largest dot. Hold the pointer over a dot to see the date and the amount.

×A sale

A cross is one insider's sales on one day. People sell to pay tax, to cash in share awards or to hold less of one company, so a sale says less than a purchase does. When someone bought and sold on the same day, the cross sits beside the dot. The totals are under “Purchases against sales” below.

Blue line: this share's price, −14.8% over these six months

The closing price of each day, from 45,650.00 on 2026-04-21 to 38,900.00 on 2026-10-16. The line has no scale; read it for high and low: a dot on a low stretch was bought cheaply, a dot on a high stretch was not.

Dashed line: the typical stock on the same exchange, −31.9%

Taken from the 1525 other stocks on the same exchange that this site holds prices for. Each is measured from the first day of the window, and every day the middle one is drawn. It starts where the blue line starts, so the gap between the two is the difference: this share −14.8%, the typical one −31.9%, 17.1 points ahead. It is not an index and not a comparison within one industry.

This company: insiders buying per month, last 12 months

Nov
Dec
Jan
Feb
1Mar
2Apr
May
Jun
Jul
1Aug
Sep
Oct

Darker bars are inside the 180-day window above.

Who traded

InsiderRolePurchasesSalesBoughtFirst purchaseShare price since
Kim Rok HoonExecutive1—40.2M KRW2026-08-03−5.1%
Choi Yong JinExecutive—1———

Purchases against sales

58%purchases
Purchases58%40.2M KRW · 1 line(s) · 1 insider(s)
Sales42%29.7M KRW · 1 line(s) · 1 insider(s)

Shares of the reported value of insider transactions in the 180-day window. Sales include disposals for tax, at option exercise or under a pre-set plan, which say little about an insider's view. The split describes what was disclosed; it is not a signal.

Insiders' buying price vs the latest close

Insiders paid 43,357.79 KRW a share on average (9 purchase lines, 4 buyers, 2026-03-05 – 2026-08-03). The close on 2026-10-16 was 10.3% below that price.

The latest purchase (2026-08-03) was at 40,200.00 KRW; the close was 3.2% below that price.

Prices paid are weighted by shares and taken from the filings; dividends are not counted. Not scored.

Insider trades on the exchange

Purchases and sales on the exchange in the last 12 months. The filing gives the settlement date; the trade date is two trading days earlier.

Trade dateInsiderRoleTradeSharesPriceValueFiling
2026-09-28Choi Yong JinSenior managing directorSold on the exchange800₩37,131₩29.7MDART ↗
2026-08-03Kim Rok HoonSenior managing directorBought on the exchange1,000₩40,200₩40.2MDART ↗
2026-04-17Lee Jang HoonVice presidentBought on the exchange654₩44,765₩29.3MDART ↗
2026-04-16Lee Jang HoonVice presidentBought on the exchange200₩44,400₩8.9MDART ↗
2026-04-15Lee Jang HoonVice presidentBought on the exchange500₩44,500₩22.2MDART ↗
2026-04-14Lee Jang HoonVice presidentBought on the exchange246₩44,388₩10.9MDART ↗
2026-04-13Lee Jang HoonVice presidentBought on the exchange400₩44,900₩18.0MDART ↗
2026-04-13LEE SANG JESenior managing directorBought on the exchange500₩44,300₩22.1MDART ↗
2026-03-09Oh Yeong SeokManaging directorBought on the exchange69₩44,936₩3.1MDART ↗
2026-03-05Oh Yeong SeokManaging directorBought on the exchange11₩44,050₩484,550DART ↗
Other changes in holdings · 1

Option exercises, grants, new shares, inheritance, gifts, off-exchange trades and trades by companies and funds. Not counted in the score.

DateInsiderRoleReasonSharesFiling
2026-02-01Lee Jang HoonVice presidentNew appointment(+)63,400DART ↗