SOUTH KOREA · OPENDART
HCT CO., LTD.
에이치시티 · 072990 · KOSDAQ · Technology · Semiconductors
Score
78.4
Insider timeline
2 insiders bought within 12 days, 27 Aug to 7 Sep: 2 Executive. 1 more bought afterwards. The share closed at 3,025.00 on the first of those days and at 3,095.00 most recently (+2.3%).
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.
▮Purple band: several insiders bought within 15 days
The band marks the stretch with the most different buyers: at most 15 days long and at least two people. Here it is 27 Aug – 7 Sep, with 2 insiders. Only the strongest stretch is marked. Several people deciding the same thing is harder to explain by one person's private reasons, but insiders often buy together just after a closed period ends, so compare it with the grey weekly bars.
Blue line: this share's price, −38.5% over these six months
The closing price of each day, from 5,030.00 on 2026-04-21 to 3,095.00 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 −38.5%, the typical one −31.9%, 6.6 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 |
|---|---|---|---|---|---|---|
| Ahn In-su | Executive | 1 | — | 30.7M KRW | 2026-08-27 | +2.3% |
| Park Hyeon-u | Executive | 2 | — | 30.2M KRW | 2026-09-04 | −0.2% |
| Kwon Yong-taek | CEO / chair | 10 | — | 206.9M KRW | 2026-09-16 | +2.3% |
| Jung Yeon-chun | Board member | 3 | — | 15.2M KRW | 2026-05-15 | −29.1% |
Insiders' buying price vs the latest close
Insiders paid 3,115.91 KRW a share on average (17 purchase lines, 4 buyers, 2026-03-09 – 2026-10-14). The close on 2026-10-16 was 0.7% below that price.
The latest purchase (2026-10-14) was at 3,038.00 KRW; the close was 1.9% above that price.
Prices paid are weighted by shares and taken from the filings; dividends are not counted. Not scored. 1 more purchase line could not be compared with the share price and is left out.
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 |
|---|---|---|---|---|---|---|---|
| 2026-10-14 | Kwon Yong-taek | CEO | Bought on the exchange | 4,787 | ₩3,038 | ₩14.5M | DART ↗ |
| 2026-10-13 | Kwon Yong-taek | CEO | Bought on the exchange | 6,000 | ₩2,957 | ₩17.7M | DART ↗ |
| 2026-10-12 | Kwon Yong-taek | CEO | Bought on the exchange | 8,000 | ₩3,053 | ₩24.4M | DART ↗ |
| 2026-09-29 | Kwon Yong-taek | CEO | Bought on the exchange | 16,934 | ₩3,140 | ₩53.2M | DART ↗ |
| 2026-09-23 | Kwon Yong-taek | President | Bought on the exchange | 1,105 | ₩3,090 | ₩3.4M | DART ↗ |
| 2026-09-22 | Kwon Yong-taek | President | Bought on the exchange | 14,000 | ₩3,108 | ₩43.5M | DART ↗ |
| 2026-09-21 | Kwon Yong-taek | President | Bought on the exchange | 7,500 | ₩3,127 | ₩23.5M | DART ↗ |
| 2026-09-18 | Kwon Yong-taek | President | Bought on the exchange | 3,000 | ₩3,095 | ₩9.3M | DART ↗ |
| 2026-09-17 | Kwon Yong-taek | President | Bought on the exchange | 1,859 | ₩3,066 | ₩5.7M | DART ↗ |
| 2026-09-16 | Kwon Yong-taek | President | Bought on the exchange | 3,883 | ₩3,008 | ₩11.7M | DART ↗ |
| 2026-09-07 | Park Hyeon-u | Managing director | Bought on the exchange | 4,000 | ₩3,031 | ₩12.1M | DART ↗ |
| 2026-09-04 | Park Hyeon-u | Managing director | Bought on the exchange | 6,000 | ₩3,011 | ₩18.1M | DART ↗ |
| 2026-08-27 | Ahn In-su | Vice president | Bought on the exchange | 10,000 | ₩3,067 | ₩30.7M | DART ↗ |
| 2026-06-26 | Jung Yeon-chun | Director | Bought on the exchange | 1,670 | ₩3,010 | ₩5.0M | DART ↗ |
| 2026-06-08 | Jung Yeon-chun | Director | Bought on the exchange | 1,500 | ₩3,415 | ₩5.1M | DART ↗ |
| 2026-05-15 | Jung Yeon-chun | Director | Bought on the exchange | 1,150 | ₩4,385 | ₩5.0M | DART ↗ |
| 2026-03-09 | Jung Yeon-chun | Director | Bought on the exchange | 1,035 | ₩4,835 | ₩5.0M | DART ↗ |
| 2025-11-24 | Lee Yeong-geun | Director | Bought on the exchange | 197 | ₩12,900 | ₩2.5M | 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 |
|---|---|---|---|---|---|
| 2026-03-24 | Choi Jong-o | Director | Stock dividend(+) | 24 | DART ↗ |
| 2026-03-24 | Yoon Ho-sang | Director | Stock dividend(+) | 23 | DART ↗ |
| 2026-03-24 | Park Gi-hong | Director | Stock dividend(+) | 371 | DART ↗ |
| 2026-03-24 | Park Geun-ho | Director | Stock dividend(+) | 262 | DART ↗ |
| 2026-03-24 | Kim Tae-wan | Managing director | Stock dividend(+) | 321 | DART ↗ |
| 2026-03-24 | Park Hyeon-u | Managing director | Stock dividend(+) | 57 | DART ↗ |
| 2026-03-24 | Lee Sang-jun | Senior managing director | Stock dividend(+) | 889 | DART ↗ |
| 2026-03-24 | Ahn In-su | Vice president | Stock dividend(+) | 101 | DART ↗ |
| 2026-03-24 | Kwon Yong-taek | President | Stock dividend(+) | 8,281 | DART ↗ |
| 2026-03-24 | Heo Bong-jae | CEO | Stock dividend(+) | 11,425 | DART ↗ |
| 2026-03-24 | Lee Su-chan | Chairman | Stock dividend(+) | 13,824 | DART ↗ |
| 2025-12-31 | Choi Jong-o | Director | Treasury stock bonus(+) | 900 | DART ↗ |
| 2025-12-31 | Yoon Ho-sang | Director | Treasury stock bonus(+) | 900 | DART ↗ |
| 2025-12-31 | Park Gi-hong | Director | Treasury stock bonus(+) | 900 | DART ↗ |
| 2025-12-31 | Park Geun-ho | Director | Treasury stock bonus(+) | 1,800 | DART ↗ |
| 2025-12-31 | Kim Tae-wan | Managing director | Treasury stock bonus(+) | 1,800 | DART ↗ |
| 2025-12-31 | Park Hyeon-u | Managing director | Treasury stock bonus(+) | 1,800 | DART ↗ |
| 2025-12-31 | Lee Sang-jun | Senior managing director | Treasury stock bonus(+) | 1,800 | DART ↗ |
| 2025-12-31 | Ahn In-su | Vice president | Treasury stock bonus(+) | 3,000 | DART ↗ |
| 2025-12-31 | Kwon Yong-taek | President | Treasury stock bonus(+) | 3,000 | DART ↗ |
| 2025-12-31 | Heo Bong-jae | CEO | Treasury stock bonus(+) | 3,000 | DART ↗ |
| 2025-12-31 | Lee Su-chan | Chairman | Treasury stock bonus(+) | 3,000 | DART ↗ |
| 2025-12-10 | Kwon Yong-taek | President | Acquisition of new shares without compensation(+) | 646,906 | DART ↗ |
| 2025-11-27 | Yoon Ho-sang | Director | Acquisition of new shares without compensation(+) | 1,374 | DART ↗ |
| 2025-11-27 | Park Gi-hong | Director | Acquisition of new shares without compensation(+) | 28,602 | DART ↗ |
| 2025-11-27 | Choi Jong-o | Director | Acquisition of new shares without compensation(+) | 1,456 | DART ↗ |
| 2025-11-27 | Park Geun-ho | Director | Acquisition of new shares without compensation(+) | 19,626 | DART ↗ |
| 2025-11-27 | Kim Tae-wan | Managing director | Acquisition of new shares without compensation(+) | 24,273 | DART ↗ |
| 2025-11-27 | Lee Yeong-geun | Director | Acquisition of new shares without compensation(+) | 1,814 | DART ↗ |
| 2025-11-27 | Park Hyeon-u | Managing director | Acquisition of new shares without compensation(+) | 3,587 | DART ↗ |
| 2025-11-27 | Lee Sang-jun | Managing director | Acquisition of new shares without compensation(+) | 68,775 | DART ↗ |
| 2025-11-27 | Ahn In-su | Senior managing director | Acquisition of new shares without compensation(+) | 6,484 | DART ↗ |
| 2025-11-27 | Heo Bong-jae | CEO | Acquisition of new shares without compensation(+) | 893,039 | DART ↗ |
| 2025-11-27 | Lee Su-chan | Chairman | Acquisition of new shares without compensation(+) | 1,080,904 | DART ↗ |
| 2025-07-02 | Lee Sang-jun | Managing director | Others(+) | 34 | DART ↗ |
| 2025-03-26 | Jung Yeon-chun | Director | Stock dividend(+) | 19 | DART ↗ |
| 2025-03-26 | Yoon Ho-sang | Director | Stock dividend(+) | 14 | DART ↗ |
| 2025-03-26 | Park Gi-hong | Director | Stock dividend(+) | 302 | DART ↗ |
| 2025-03-26 | Choi Jong-o | Director | Stock dividend(+) | 15 | DART ↗ |
| 2025-03-26 | Park Geun-ho | Director | Stock dividend(+) | 207 | DART ↗ |
| 2025-03-26 | Kim Tae-wan | Managing director | Stock dividend(+) | 257 | DART ↗ |
| 2025-03-26 | Lee Yeong-geun | Director | Stock dividend(+) | 17 | DART ↗ |
| 2025-03-26 | Park Hyeon-u | Managing director | Stock dividend(+) | 37 | DART ↗ |
| 2025-03-26 | Lee Sang-jun | Managing director | Stock dividend(+) | 694 | DART ↗ |
| 2025-03-26 | Ahn In-su | Senior managing director | Stock dividend(+) | 68 | DART ↗ |
| 2025-03-26 | Kwon Yong-taek | President | Stock dividend(+) | 6,848 | DART ↗ |
| 2025-03-26 | Heo Bong-jae | CEO | Stock dividend(+) | 9,454 | DART ↗ |
| 2025-03-26 | Lee Su-chan | Chairman | Stock dividend(+) | 11,443 | DART ↗ |
| 2025-01-07 | Lee Sang-jun | Managing director | 기타(+) | 3,321 | DART ↗ |
| 2025-01-01 | Yoon Ho-sang | Director | 신규선임(+) | 1,360 | DART ↗ |
| 2025-01-01 | Park Gi-hong | Director | 신규선임(+) | 28,300 | DART ↗ |
| 2025-01-01 | Choi Jong-o | Director | 신규선임(+) | 1,441 | DART ↗ |
| 2024-12-31 | Park Geun-ho | Director | 자사주상여금(+) | 1,000 | DART ↗ |
| 2024-12-31 | Kim Tae-wan | Managing director | 자사주상여금(+) | 1,000 | DART ↗ |
| 2024-12-31 | Lee Yeong-geun | Director | 자사주상여금(+) | 1,000 | DART ↗ |
| 2024-12-31 | Park Hyeon-u | Managing director | 자사주상여금(+) | 1,500 | DART ↗ |
| 2024-12-31 | Lee Sang-jun | Managing director | 자사주상여금(+) | 1,500 | DART ↗ |
| 2024-12-31 | Ahn In-su | Senior managing director | 자사주상여금(+) | 1,500 | DART ↗ |
| 2024-12-31 | Kwon Yong-taek | President | 자사주상여금(+) | 2,000 | DART ↗ |
| 2024-12-31 | Heo Bong-jae | CEO | 자사주상여금(+) | 2,000 | DART ↗ |