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Sunstone Development Co., Ltd.: what insiders have been doing
Sunstone Development Co., Ltd. is a Chemicals company. Its directors and officers file their transactions with SSE / SZSE (CSRC). 4 insiders have disclosed 6 filings since 25 October 2025.
All open-market trades in the period are sales: 6 sales worth €651k, by 4 insiders, with no purchase on record. The largest single trade was a sale of €235k by 刘瑞, published on 11 February 2026.
With 6 filings in twelve months, the company is more active than the median of 2 filings across the 515 companies we follow on the same exchange. Over the whole record (from 2021), the tally stands at no purchases and 12 sales.
Half of the filings or more reach the SSE / SZSE (CSRC) feed on the day of the trade. Until a filing is published, the market cannot know about the trade. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives.
Elsewhere in the same sector, our signals recently picked up insider purchases at Culp Inc. Every figure here comes from the filings published by SSE / SZSE (CSRC) and describes the past, not future prices; it is not investment advice.
Insider Decl.
12
Thresholds
n/a
Buy Volume
n/a
n/a
Sell Volume
€1M
12 ops. · all time
Who traded when
BuySale黄河3 sales
刘瑞1 sale
范本勇1 sale
袁钢1 sale
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Fundamental score
Ranked 11,344 of 26,316 companies
55.1
score / 100
Value69
Quality41
FCF yld0.9%
Earn yld9.9%
EV/EBITDA6.7x
ROE12%
Gross mgn14%
Net mgn4.2%
Debt/EBITDA3.6x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
CN¥16.70
Analyst consensus
1 analystsCN¥33.00Target CN¥33.00(+98%)CN¥33.00
Income statement
RevenueCN¥17.7B
Gross profitCN¥2.5B14% margin
EBITDACN¥2.4B14% margin
Net incomeCN¥746.7M3.8% margin
Valuation
PER (trailing)11.6x
P/Book1.4x
Beta0.57
Balance sheet & cash
Market capCN¥8.3B
Total debtCN¥8.6B
Free Cash FlowCN¥64.8M
Debt / Equity132%
Profitability & ownership
ROE13.5%
ROA5.1%
% insiders26.9%
% institutions11.4%
Last declaration on 26 February 2026
Declarations12 total
200 shares0.5% of flowA股XSHGSSE:273000000215856450
55,000 shares100.0% of flowA股XSHGSSE:273000000212501630
27,800 shares59.8% of flowA股XSHGSSE:273000000212501500
600 shares2.5% of flowA股XSHGSSE:273000000192867840
63,000 shares42.7% of flowA股XSHGSSE:273000000192896060
20,000 shares39.7% of flowA股XSHGSSE:273000000192867940
10,000 shares26.6% of flowA股XSHGSSE:173000004826181730
20,500 shares97.5% of flowA股XSHGSSE:173000004826181700
72,800 shares57.3% of flowA股XSHGSSE:173000004818717440
5,000 shares11.7% of flowA股XSHGSSE:173000004793545760
2,800 shares5.9% of flowA股XSHGSSE:173000004756334240
30,000 shares55.8% of flowA股XSHGSSE:173000004720212930
12 of 12 declarations
About Sunstone Development Co., Ltd.
索通发展 is a company operating in the chemical and materials sector, listed on the Shanghai Stock Exchange. It specializes in the development and production of various chemical materials.
