SOUTH KOREA · OPENDART
SK TELECOM CO.,LTD
SK텔레콤 · 017670 · KOSPI · Communication Services · Telecom Services
Score
45.7
Insider timeline
One insider bought, once (29 Jul). The share closed at 78,600.00 that day and at 78,400.00 most recently (−0.3%).
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.
Blue line: this share's price, −22.0% over these six months
The closing price of each day, from 100,500.00 on 2026-04-21 to 78,400.00 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, −20.4%
Taken from the 685 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 −22.0%, the typical one −20.4%, 1.6 points behind. It is not an index and not a comparison within one industry.
This company: insiders buying per month, last 12 months
Darker bars are inside the 180-day window above.
Who traded
| Insider | Role | Purchases | Sales | Bought | First purchase | Share price since |
|---|---|---|---|---|---|---|
| Ha, Myumg Bok | Executive | 1 | — | 56.5M KRW | 2026-07-29 | −0.3% |
Insiders' buying price vs the latest close
Insiders paid 75,426.68 KRW a share on average (12 purchase lines, 3 buyers, 2026-02-06 – 2026-07-29). The close on 2026-10-16 was 3.9% above that price.
The latest purchase (2026-07-29) was at 79,000.00 KRW; the close was 0.8% 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 date | Insider | Role | Trade | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-07-29 | Ha, Myumg Bok | Executive in charge | Bought on the exchange | 715 | ₩79,000 | ₩56.5M | DART ↗ |
| 2026-03-24 | Ha, Myumg Bok | Executive in charge | Bought on the exchange | 300 | ₩75,200 | ₩22.6M | DART ↗ |
| 2026-03-24 | Ha, Myumg Bok | Executive in charge | Bought on the exchange | 200 | ₩75,600 | ₩15.1M | DART ↗ |
| 2026-03-24 | Ha, Myumg Bok | Executive in charge | Bought on the exchange | 263 | ₩76,800 | ₩20.2M | DART ↗ |
| 2026-03-24 | Ha, Myumg Bok | Executive in charge | Bought on the exchange | 37 | ₩76,800 | ₩2.8M | DART ↗ |
| 2026-03-23 | Ha, Myumg Bok | Executive in charge | Bought on the exchange | 200 | ₩74,100 | ₩14.8M | DART ↗ |
| 2026-03-23 | Ha, Myumg Bok | Executive in charge | Bought on the exchange | 100 | ₩76,100 | ₩7.6M | DART ↗ |
| 2026-03-23 | Ha, Myumg Bok | Executive in charge | Bought on the exchange | 100 | ₩76,400 | ₩7.6M | DART ↗ |
| 2026-03-23 | Ha, Myumg Bok | Executive in charge | Bought on the exchange | 159 | ₩76,700 | ₩12.2M | DART ↗ |
| 2026-02-27 | Kim Chang-bo | Outside director | Bought on the exchange | 625 | ₩79,900 | ₩49.9M | DART ↗ |
| 2026-02-06 | Choi Jae-won | Executive in charge | Bought on the exchange | 682 | ₩68,400 | ₩46.6M | DART ↗ |
| 2026-02-06 | Choi Jae-won | Executive in charge | Bought on the exchange | 150 | ₩68,500 | ₩10.3M | DART ↗ |
Other changes in holdings · 60
Option exercises, grants, new shares, inheritance, gifts, off-exchange trades and trades by companies and funds. Not counted in the score.
| Date | Insider | Role | Reason | Shares | Filing |
|---|---|---|---|---|---|
| 2026-08-31 | Lim, Tay Seop | Director | Treasury stock bonus(+) | 200 | DART ↗ |
| 2026-08-31 | Lee, Seong Yeob | Director | Treasury stock bonus(+) | 200 | DART ↗ |
| 2026-08-31 | Oh, Haeyun | Director | Treasury stock bonus(+) | 200 | DART ↗ |
| 2026-08-31 | Noh, Mi Kyung | Director | Treasury stock bonus(+) | 200 | DART ↗ |
| 2026-08-31 | Kim, Changbo | Director | Treasury stock bonus(+) | 261 | DART ↗ |
| 2026-05-13 | Hwang, Jae Man | Office head | Treasury stock bonus(+) | 173 | DART ↗ |
| 2026-05-13 | Hong, Sun Kee | Executive in charge | Treasury stock bonus(+) | 198 | DART ↗ |
| 2026-05-13 | Han, Myung Jin | President | Treasury stock bonus(+) | 539 | DART ↗ |
| 2026-05-13 | Ha, Min Yong | Executive in charge | Treasury stock bonus(+) | 593 | DART ↗ |
| 2026-05-13 | Ha, Myumg Bok | Executive in charge | Treasury stock bonus(+) | 285 | DART ↗ |
| 2026-05-13 | Choi, Jai Won | Executive in charge | Treasury stock bonus(+) | 284 | DART ↗ |
| 2026-05-13 | Choi, Yongjin | Executive in charge | Treasury stock bonus(+) | 270 | DART ↗ |
| 2026-05-13 | Chae, Young Hun | Executive in charge | Treasury stock bonus(+) | 192 | DART ↗ |
| 2026-05-13 | Cha, Seongsu | Executive in charge | Treasury stock bonus(+) | 205 | DART ↗ |
| 2026-05-13 | Cho, Hyundeuk | Executive in charge | Treasury stock bonus(+) | 197 | DART ↗ |
| 2026-05-13 | Cho, Ikhwan | Executive in charge | Treasury stock bonus(+) | 282 | DART ↗ |
| 2026-05-13 | Cho, Wook | Executive in charge | Treasury stock bonus(+) | 200 | DART ↗ |
| 2026-05-13 | Cho,Yong Chul | Office head | Treasury stock bonus(+) | 203 | DART ↗ |
| 2026-05-13 | Cho, Young Log | Executive | Treasury stock bonus(+) | 630 | DART ↗ |
| 2026-05-13 | Jeong, Dae Dug | Executive | Treasury stock bonus(+) | 268 | DART ↗ |
| 2026-05-13 | Lee, Hye Yeon | Office head | Treasury stock bonus(+) | 124 | DART ↗ |
| 2026-05-13 | Lee, Jong Hun | Executive in charge | Treasury stock bonus(+) | 251 | DART ↗ |
| 2026-05-13 | Lee, Jungryong | Executive in charge | Treasury stock bonus(+) | 275 | DART ↗ |
| 2026-05-13 | Lee, Jae Joon | Executive | Treasury stock bonus(+) | 222 | DART ↗ |
| 2026-05-13 | Lee, Jae Shin | Executive in charge | Treasury stock bonus(+) | 186 | DART ↗ |
| 2026-05-13 | Lee, Wonhee | Executive in charge | Treasury stock bonus(+) | 121 | DART ↗ |
| 2026-05-13 | Lee, Seung Yeoll | Office head | Treasury stock bonus(+) | 272 | DART ↗ |
| 2026-05-13 | Lee, Gahp Jae | Executive in charge | Treasury stock bonus(+) | 262 | DART ↗ |
| 2026-05-13 | Yoon, Hyunsang | Executive in charge | Treasury stock bonus(+) | 197 | DART ↗ |
| 2026-05-13 | Yoon, Jae Woong | Division head | Treasury stock bonus(+) | 269 | DART ↗ |
| 2026-05-13 | Ryu, Young Sang | Executive | Treasury stock bonus(+) | 5,905 | DART ↗ |
| 2026-05-13 | Um, Jong Hwan | Office head | Treasury stock bonus(+) | 266 | DART ↗ |
| 2026-05-13 | Yang, Seungji | Executive in charge | Treasury stock bonus(+) | 198 | DART ↗ |
| 2026-05-13 | Son, Inhyuk | Office head | Treasury stock bonus(+) | 241 | DART ↗ |
| 2026-05-13 | Son, Young Kyu | Office head | Treasury stock bonus(+) | 283 | DART ↗ |
| 2026-05-13 | Sung, Sukham | Office head | Treasury stock bonus(+) | 280 | DART ↗ |
| 2026-05-13 | Seok, Ji Hwan | Executive in charge | Treasury stock bonus(+) | 283 | DART ↗ |
| 2026-05-13 | Bok, Jae Won | Executive in charge | Treasury stock bonus(+) | 264 | DART ↗ |
| 2026-05-13 | Park, Byung Kwan | Executive in charge | Treasury stock bonus(+) | 195 | DART ↗ |
| 2026-05-13 | Yu, Tak Ki | Executive in charge | Treasury stock bonus(+) | 191 | DART ↗ |
| 2026-05-13 | Ryu Jung Hwan | Centre head | Treasury stock bonus(+) | 262 | DART ↗ |
| 2026-05-13 | Ra, Kyong Hwan | Executive in charge | Treasury stock bonus(+) | 126 | DART ↗ |
| 2026-05-13 | Kim Heesup | Executive | Treasury stock bonus(+) | 599 | DART ↗ |
| 2026-05-13 | Kim, Hogeun | Office head | Treasury stock bonus(+) | 197 | DART ↗ |
| 2026-05-13 | Kim, Tae Hwan | Office head | Treasury stock bonus(+) | 205 | DART ↗ |
| 2026-05-13 | Kim, Taeseuk | Executive in charge | Treasury stock bonus(+) | 196 | DART ↗ |
| 2026-05-13 | Kim, Jihoon | Executive in charge | Treasury stock bonus(+) | 264 | DART ↗ |
| 2026-05-13 | Kim, Ji Hyung | Executive in charge | Treasury stock bonus(+) | 268 | DART ↗ |
| 2026-05-13 | Kim, Sang Bum | Executive in charge | Treasury stock bonus(+) | 283 | DART ↗ |
| 2026-05-13 | Kim, Myoung Gook | Executive in charge | Treasury stock bonus(+) | 200 | DART ↗ |
| 2026-05-13 | Kim, Dae Sung | Office head | Treasury stock bonus(+) | 249 | DART ↗ |
| 2026-05-13 | Kwon, Hai Sung | Executive in charge | Treasury stock bonus(+) | 274 | DART ↗ |
| 2026-05-13 | Kwon, Young Sang | Office head | Treasury stock bonus(+) | 270 | DART ↗ |
| 2026-05-13 | Ku, Hyun Cheol | Division head | Treasury stock bonus(+) | 262 | DART ↗ |
| 2026-05-13 | Kang, Kyoung Pyo | Executive in charge | Treasury stock bonus(+) | 197 | DART ↗ |
| 2026-04-28 | Lim, Tay Seop | Outside director | Treasury stock bonus(+) | 500 | DART ↗ |
| 2026-04-28 | Lee, Seong Yeob | Outside director | Treasury stock bonus(+) | 500 | DART ↗ |
| 2026-04-28 | Oh, Haeyun | Outside director | Treasury stock bonus(+) | 500 | DART ↗ |
| 2026-04-28 | Noh, Mi Kyung | Outside director | Treasury stock bonus(+) | 500 | DART ↗ |
| 2026-04-28 | Kim, Changbo | Outside director | Treasury stock bonus(+) | 800 | DART ↗ |