Stock Trading CanaryHONG KONG · DIRECTORS' NOTICES
Arts Optical International Holdings Ltd.
01120 · Healthcare · Medical Instruments & Supplies
Score
40.2
Price vs insider buying
1120.HK · HKD● Purchase × Sale ◇ Public disclosure ▥ 15-day cluster ·
Circles and crosses mark trade dates; diamonds below the axis mark later public disclosures. The trade became public on its disclosure date. Prices are nearest-session closes, not insider execution prices. Marker sizes are not compared when values or currencies differ.
Insider timeline
One insider bought, 3 times, the latest (7 Oct). The share closed at 0.54 that day and at 0.60 most recently (+11.1%).
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, −24.1% over these six months
The closing price of each day, from 0.79 on 2026-05-11 to 0.60 on 2026-11-05. 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.
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 |
|---|---|---|---|---|---|---|
| NG YAT SHAN | Board member | 3 | — | 674.0k HKD | 2026-10-05 | +9.1% |
Insiders' buying price vs the latest close
Insiders paid 0.5617 HKD a share on average (3 purchase lines, 1 buyer, 2026-10-05 – 2026-10-07). The close on 2026-11-05 was 6.8% above that price.
The latest purchase (2026-10-07) was at 0.5700 HKD; the close was 5.3% above that price.
Prices paid are weighted by shares and taken from the filings; dividends are not counted. Not scored.
Director trades on the exchange
Purchases and sales on the exchange in the last 12 months, as counted in the score.
| Trade date | Filed | Director | Held as | Trade | Shares | Price | Value |
|---|---|---|---|---|---|---|---|
| 2026-10-07 | 2026-10-07 | NG YAT SHAN | Own name | Bought | 300,000 | HK$0.570 | HK$171.0K |
| 2026-10-06 | 2026-10-07 | NG YAT SHAN | Own name | Bought | 500,000 | HK$0.550 | HK$275.0K |
| 2026-10-05 | 2026-10-06 | NG YAT SHAN | Own name | Bought | 400,000 | HK$0.570 | HK$228.0K |
Purchases not counted · 7
Director notices of a purchase that the score leaves out, and why.
| Trade date | Director | Why not counted | Shares |
|---|---|---|---|
| 2026-10-05 | NG YAT SHAN | Replaced by an amendment | 400,000 |
| 2026-10-02 | NG YAT SHAN | Replaced by an amendment | 300,000 |
| 2023-09-14 | Ng Hoi Ying, Michael | Bought off the exchange | 5,000,000 |
| 2023-09-14 | Wu Zhihong | Bought off the exchange | 5,000,000 |
| 2020-01-15 | Ng Hoi Ying, Michael | Bought off the exchange | 12,000,000 |
| 2019-12-20 | Ng Hoi Ying, Michael | Replaced by an amendment | 2,000,000 |
| 2019-12-20 | Ng Hoi Ying, Michael | Replaced by an amendment | 2,000,000 |