Stock Trading CanaryHONG KONG · DIRECTORS' NOTICES
Sirnaomics Ltd. - B
02257 · Healthcare · Biotechnology
Score
26.0
Price vs insider buying
2257.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, once (24 Jun). The share closed at 5.00 that day and at 4.17 most recently (−16.7%).
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, −31.6% over these six months
The closing price of each day, from 6.09 on 2026-05-11 to 4.17 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 |
|---|---|---|---|---|---|---|
| Poon Hung Fai | Board member | 1 | — | 101.5k HKD | 2026-06-24 | −16.7% |
Insiders' buying price vs the latest close
Insiders paid 6.38 HKD a share on average (3 purchase lines, 2 buyers, 2025-12-08 – 2026-06-24). The close on 2026-11-05 was 34.7% below that price.
The latest purchase (2026-06-24) was at 5.00 HKD; the close was 16.7% below 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 |
|---|---|---|---|---|---|---|---|
| 2026-06-24 | 2026-06-24 | Poon Hung Fai | Own name | Bought | 20,300 | HK$5.00 | HK$101.5K |
| 2026-03-30 | 2026-04-01 | Poon Hung Fai | Own name | Bought | 38,000 | HK$5.93 | HK$225.3K |
| 2025-12-08 | 2025-12-10 | POON HUNG FAI | Own name | Bought | 100,000 | HK$6.83 | HK$683.0K |
Purchases not counted · 2
Director notices of a purchase that the score leaves out, and why.
| Trade date | Director | Why not counted | Shares |
|---|---|---|---|
| 2024-05-22 | HUANG Mincong | Bought off the exchange | 198,950 |
| 2021-12-30 | HUANG Mincong | Bought off the exchange | 473,050 |